First BanCorp. (FBP) 10-Q 10 May 21 2021 Q1 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2021	May 03, 2021
Cover [Abstract]
Entity Registrant Name	First BanCorp.
Entity Central Index Key	0001057706
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 31, 2021
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock Shares Outstanding		215,614,509
Entity Emerging Growth Company	false
Entity Small Business	false
Trading Symbol	FBP
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity File Number	001-14793
Entity Tax Identification Number	66-0561882
Entity Address Address Line 1	1519 Ponce de León Avenue, Stop 23
Entity Address City Or Town	Santurce
Entity Address Country	PR
Entity Address Postal Zip Code	00908
City Area Code	787
Local Phone Number	729-8200
Document Quarterly Report	true
Security 12b Title	Common Stock ($0.10 par value)
Security Exchange Name	NYSE
Entity Interactive Data Current	Yes
Document Transition Report	false
Entity Incorporation State Country Code	PR

Consolidated Statements of Fina

Consolidated Statements of Financial Condition (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
ASSETS
Cash and due from banks	$ 1,515,232	$ 1,433,261
Money market investments:
Time deposits with other financial institutions	300	300
Other short term investments	2,632	60,272
Total money market investments	2,932	60,572
Investment securities available for sale, at fair value:
Securities pledged with creditors right to reledge	336,380	341,789
Other Investment Securities Available For Sale	5,070,410	4,305,230
Total investment securities available for sale	5,406,790	4,647,019
Investment securities held to maturity, at amortized cost, net of allowance for credit losses of $8,869 as of March 31, 2021 and $8,845 December 31, 2020	180,811	180,643
Equity securities	41,558	37,588
Total loans, net	11,338,993	11,441,691
Loans, net of allowance for credit losses of $358,936 (2020 - $385,887)	11,282,923	11,391,402
Loans held for sale, at lower of cost or market	56,070	50,289
Premises and equipment, net	154,684	158,209
Other real estate owned	79,207	83,060
Accrued interest receivable on loans and investments	61,511	69,505
Deferred tax asset, net	306,373	329,261
Goodwill	38,611	38,632
Finite Lived Intangible Assets Net	38,387	40,893
Other assets	248,645	272,737
Total assets	19,413,734	18,793,071
LIABILITIES
Total deposits	16,010,436	15,317,383
Non-interest-bearing deposits	5,026,468	4,546,123
Interest-bearing deposits	10,983,968	10,771,260
Securities sold under agreements to repurchase	300,000	300,000
Advances from the Federal Home Loan Bank (FHLB)	440,000	440,000
Other borrowings	183,762	183,762
Accounts payable and other liabilities	259,111	276,747
Total liabilities	17,193,309	16,517,892
Preferred stock, authorized 50,000,000 shares:
Non-cumulative Perpetual Monthly Income Preferred Stock: 22,828,174 shares issued, 1,444,146 shares outstanding, aggregate liquidation value of $36,104	36,104	36,104
Common stock outstanding, 218,628,862 shares outstanding (2020 - 218,235,064 shares outstanding)	21,863	21,823
Common stock, $0.10 par value, authorized, 2,000,000,000 shares; 223,630,957 shares issued(2020 - 223,034,348 shares issued)	22,363	22,303
Less: Treasury stock (at par value)	(500)	(480)
Additional paid-in capital	945,476	946,476
Retained earnings, includes legal surplus reserve of $109,338	1,260,456	1,215,321
Accumulated other comprehensive loss , net of tax of $7,790 as of each March 31, 2021 and December 31, 2020	(43,474)	55,455
Total stockholders' equity	2,220,425	2,275,179
Total liabilities and stockholders' equity	$ 19,413,734	$ 18,793,071

Consolidated Statements of Fi_2

Consolidated Statements of Financial Condition (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Statement Of Financial Position [Abstract]
Debt Securities, Available-for-sale, Allowance for Credit Loss	$ 1,183	$ 1,310
Held to Maturity Fair value	178,314	173,806
Debt Securities, Held-to-maturity, Allowance for Credit Loss	8,869	8,845
Allowance for credit losses on loans and finance leases	$ 358,936	$ 385,887
Preferred stock, shares authorized	50,000,000	50,000,000
Non-cumulative Perpetual Monthly Income Preferred Stock: issued	22,004,000	22,004,000
Non-cumulative Perpetual Monthly Income Preferred Stock, shares outstanding	1,444,146	1,444,146
Non-cumulative Perpetual Monthly Income Preferred Stock, aggregate liquidation value	$ 36,104	$ 36,104
Common stock, par value	$ 0.1	$ 0.1
Common stock, shares authorized	2,000,000,000	2,000,000,000
Common stock, shares issued	223,630,957	223,034,348
Common stock, shares outstanding	218,628,862	218,235,064
Legal surplus reserve amount	$ 109,338	$ 109,338
Income Tax Expense	7,590	7,590
Amortized cost debt securities	$ 5,443,424	$ 4,584,851

CONSOLIDATED STATEMENTS OF (LOS

CONSOLIDATED STATEMENTS OF (LOSS) INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Interest and dividend income:
Loans	$ 179,973	$ 147,126
Investment securities	14,320	15,876
Money market investments and interest-bearing cash accounts	349	2,262
Total interest income	194,642	165,264
Interest expense:
Deposits	12,342	19,654
Loans payable	0	3
Securities sold under agreements to repurchase	2,278	1,918
Advances from FHLB	2,463	3,008
Other borrowings	1,294	2,032
Total interest expense	18,377	26,615
Net interest income	176,265	138,649
Provision for credit losses (benefit) expense:
Provision for credit losses (benefit) expense	(14,443)	74,045
Provision for credit losses (benefit) expense	(15,252)	77,366
Net interest income after provision for credit losses	191,517	61,283
Non-interest income:
Service charges and fees on deposit accounts	8,304	5,957
Mortgage banking activities	7,273	3,788
Net gain on sale of investments	0	8,247
Insurance commission income	5,241	4,582
Other non-interest income	10,138	7,626
Total non-interest income	30,956	30,200
Non-interest expenses:
Employees' compensation and benefits	50,842	42,859
Occupancy and equipment	24,242	15,127
Business promotion	2,970	3,622
Professional fees	17,701	11,793
Taxes, other than income taxes	6,199	3,880
Federal Deposit Insurance Corporation ("FDIC") deposit insurance	1,988	1,522
Net loss on OREO and OREO operations	1,898	1,188
Credit and debit card processing expenses	4,278	3,950
Communications	2,462	1,877
Merger and Restructuring costs	11,267	845
Other non-interest expenses	9,454	5,521
Total non-interest expenses	133,301	92,184
Income (loss) before income taxes	89,172	(701)
Income Tax Expense (Benefit)	28,022	(2,967)
Net income	61,150	2,266
Net income attributable to common stockholders	$ 60,481	$ 1,597
Net income per common share:
Basic	$ 0.28	$ 0.01
Diluted	$ 0.28	$ 0.01
Debt Securities [Member]
Provision for credit losses (benefit) expense:
Provision for Other Credit Losses	$ (103)	$ 1,502
Unfunded Loan Commitment [Member]
Provision for credit losses (benefit) expense:
Provision for Other Credit Losses	$ (706)	$ 1,819

CONSOLIDATED STATEMENTS OF COMP

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Net income	$ 61,150	$ 2,266
Debt securities:
Unrealized gain (loss) on debt securities for which credit losses has been recognized	447	(176)
Reclassification adjustment for credit losses (benefit) expense on debt securities included in net income	(127)	368
Reclassification adjustment for net gain included in net income on sales of available-for-sale debt securities with no credit losses previously recognized	0	(8,247)
All other unrealized holding (losses) gains on available-for-sale securities	(99,249)	50,407
Other comprehensive (loss) income for the period, net of tax	(98,929)	42,352
Total comprehensive (loss) income	$ (37,779)	$ 44,618

CONSOLIDATED STATEMENT OF CASH

CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities:
Net income	$ 61,150	$ 2,266
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	6,808	4,486
Amortization of intangible assets	2,954	713
Provision for credit losses-(benefit) expense	(15,252)	77,366
Deferred income tax (benefit) expense	23,044	(11,654)
Stock-based compensation	1,415	1,142
Gain on sales of investment securities	0	(8,247)
Unrealized gain on derivative instruments	(1,617)	(17)
Net (gain) loss on sales of premises and equipment and other assets	(26)	15
Net gain on sales of loans	(4,371)	(2,538)
Net amortization/accretion of premiums, discounts and deferred loan fees and costs	(5,774)	(1,369)
Originations and purchases of loans held for sale	(144,910)	(62,989)
Sales and repayments of loans held for sale	155,573	92,586
Amortization of broker placement fees	73	158
Net amortization/accretion of premium and discounts on investment securities	9,435	1,307
Decrease (increase) in accrued interest receivable	7,981	(197)
(Decrease) increase in accrued interest payable	(174)	523
Decrease in other assets	18,569	6,400
Decrease in other liabilities	(2,200)	(8,419)
Net cash provided by operating activities	112,678	91,532
Cash flows from investing activities:
Net repayments (disbursements) on loans held for investment	98,926	(68,997)
Proceeds from sales of loans held for investment	13,985	3,610
Proceeds from sales of repossessed assets	11,583	8,966
Purchases of available-for-sale securities	(1,413,370)	(147,801)
Proceeds from principal repayments and maturities of available-for-sale securities	531,096	104,188
Proceeds from principal repayments and maturities of held-to-maturity securities	142	141
Additions to premises and equipment	(3,318)	(4,375)
Proceeds from sales of premises and equipment and other assets	245	0
Net purchases of other investment securities	(4,000)	(1,352)
Payment related to previous acquisition	(3,382)	0
Net cash used in investing activities	(768,093)	(105,620)
Cash flows from financing activities:
Net increase in deposits	697,974	214,408
Net increase in short-term borrowings	0	55,000
Proceeds from long-term reverse repuchase agreements	0	200,000
Repurchase of outstanding common stock	(2,375)	(198)
Dividends paid on common stock	(15,184)	(10,837)
Dividends paid on preferred stock	(669)	(669)
Net cash provided by financing activities	679,746	457,704
Net increase in cash and cash equivalents	24,331	443,616
Cash and cash equivalents at beginning of period	1,493,833	644,099
Cash and cash equivalents at end of period	1,518,164	1,087,715
Cash and cash equivalents include:
Cash and Cash Equivalents, at Carrying Value, Total	$ 1,518,164	$ 1,087,715

CONSOLIDATED STATEMENT OF CHANG

CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Preferred Stock [Member]	Common Stock [Member]	Additional Paid In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]
Total stockholders' equity		$ 36,104	$ 21,736	$ 941,652	$ 1,221,817	$ 6,764
Balance at beginning of period at Dec. 31, 2019		36,104	21,736	941,652	1,221,817	6,764
Common stock withheld for taxes			(5)	(193)
Restricted stock grants			85	(85)
Vesting of performance shares unit			0	0
Restricted stock forfeited			0	0
Stock-based compensation				1,142
Net income	$ 2,266				2,266
Dividends on common stock					(10,893)
Dividends on preferred stock					(669)
Other comprehensive (loss) income, net of tax	42,352					42,352
Balance at end of period at Mar. 31, 2020	2,199,751	36,104	21,816	942,516	1,150,199	49,116
Total stockholders' equity	2,199,751	36,104	21,816	942,516	1,150,199	49,116
Total stockholders' equity	2,199,751	36,104	21,816	942,516	1,150,199	49,116
Total stockholders' equity	2,275,179	36,104	21,823	946,476	1,215,321	55,455
Balance at beginning of period at Dec. 31, 2020	2,275,179	36,104	21,823	946,476	1,215,321	55,455
Common stock withheld for taxes			(19)	(2,356)
Restricted stock grants			30	(30)
Vesting of performance shares unit			30	(30)
Restricted stock forfeited			(1)	1
Stock-based compensation				1,415
Net income	61,150				61,150
Dividends on common stock					(15,346)
Dividends on preferred stock					(669)
Other comprehensive (loss) income, net of tax	(98,929)					(98,929)
Balance at end of period at Mar. 31, 2021	2,220,425	36,104	21,863	945,476	1,260,456	(43,474)
Total stockholders' equity	2,220,425	36,104	21,863	945,476	1,260,456	(43,474)
Total stockholders' equity	$ 2,220,425	$ 36,104	$ 21,863	$ 945,476	$ 1,260,456	$ (43,474)

CONSOLIDATED STATEMENT OF CHA_2

CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement Of Stockholders Equity [Abstract]
Dividends declared per common share	$ 0.07	$ 0.05

BASIS OF PRESENTATION AND SIGNI

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES	3 Months Ended
	Mar. 31, 2021
Accounting Policies [Abstract]
BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES [Text Block]	NOTE 1 – BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES The Consolidated Financial Statements (unaudited) of First BanCorp. (the “Corporation”) have been prepared in conformity with the accounting policies stated in the Corporation’s Audited Consolidated Financial Statements for the fiscal year ended December 31, 2020 (the “audited consolidated financial statements”) included in the 2020 Annual Report on Form 10-K. Certain information and note disclosures normally included in the financial statements prepared in accordance with generally accepted accounting principles in the United States of America (“GAAP”) have been condensed or omitted from these statements pursuant to the rules and regulations of the SEC and, accordingly, these financial statements should be read in conjunction with the audited consolidated financial statements, which are included in the 2020 Annual Report on Form 10-K. All adjustments (consisting only of normal recurring adjustments) that are, in the opinion of management, necessary for a fair presentation of the statement of financial position, results of operations and cash flows for the interim periods have been reflected. All significant intercompany accounts and transactions have been eliminated in consolidation. The results of operations for the quarter ended March 31, 2021 are not necessarily indicative of the results to be expected for the entire year. Adoption of New Accounting Requirements Income Tax Simplification In December 2019, the Financial Accounting Standards Board (“FASB”) issued new guidance to simplify the accounting for income taxes by removing certain exceptions to the general principles and the accounting related to areas such as franchise taxes, step-up in tax basis, goodwill, separate entity financial statements and interim recognition of enactment of tax laws or rate changes. For public business entities, the standard took effect for annual reporting periods beginning after December 15, 2020, including interim reporting periods within those fiscal years. The adoption of this guidance during the first quarter of 2021 did not have an effect on the Corporation’s consolidated financial statements. Accounting for Equity Securities and Certain Derivatives In January 2020, the FASB issued new guidance to clarify the accounting for equity securities under ASC Topic 321, “Investments – Equity Securities” (“ASC 321”); investments accounted for under the equity method of accounting in ASC Topic 323, “Investments – Equity Method and Joint Ventures”; and the accounting for certain forward contracts and purchased options accounted for under ASC Topic 815, “Derivatives and Hedging” (“ASC 815”). The guidance clarifies that an entity should consider observable transactions that result in either applying or discontinuing the equity method of accounting for the purpose of applying the measurement alternative provided by ASC 321, which allows certain equity securities without a readily determinable fair value to be measured at cost, less any impairment. When an entity accounts for an investment in equity securities under the measurement alternative and is required to transition to the equity method of accounting because of an observable transaction, it should remeasure the investment at fair value immediately before applying the equity method of accounting. Likewise, when an entity accounts for an investment in equity securities under the equity method of accounting and is required to transition to ASC 321 because of an observable transaction, it should remeasure the investment at fair value immediately after discontinuing the equity method of accounting. These amendments align the accounting for equity securities under the measurement alternative with that of other equity securities accounted for under ASC 321, reducing diversity in accounting outcomes. The guidance also clarifies that, when determining the accounting for nonderivative forward contracts and purchased options, an entity should not consider whether the underlying securities would be accounted for under the equity method or fair value option upon settlement or exercise. These instruments will not fail to meet the scope of ASC 815-10 solely because the securities would be accounted for under the equity method upon settlement of the contract or exercise of the option. For public business entities, the standard took effect for annual reporting periods beginning after December 15, 2020, including interim reporting periods within those fiscal years. The adoption of this guidance during the first quarter of 2021 did not have an effect on the Corporation’s consolidated financial statements.

BUSINESS COMBINATION

BUSINESS COMBINATION	3 Months Ended
	Mar. 31, 2021
Business Combinations [Abstract]
Business Combination Disclosure [Text Block]	NOTE 2 – BUSINESS COMBINATION Effective as of September 1, 2020, the Corporation completed its previously announced acquisition of Banco Santander Puerto Rico (“BSPR”). The Corporation accounted for the acquisition as a business combination in accordance with ASC Topic 805, “Business Combinations” (“ASC 805”). Accordingly, the Corporation recorded the assets and liabilities assumed, as of the date of the acquisition, at their respective fair values and allocated to goodwill the excess of the purchase price consideration over the fair value of the net assets acquired. The determination of fair value requires management to make estimates about discount rates, future expected cash flows, market conditions and other future events that are highly subjective in nature and subject to change. Fair value estimates related to the acquired assets and liabilities are subject to adjustment for up to one year after the closing date of the acquisition as additional information relative to the closing date fair values becomes available and such information is considered final, whichever is earlier. Since the acquisition, the Corporation has made a net adjustment to goodwill of approximately $ 4.2 million, substantially all recorded in the fourth quarter of 2020 and primarily related to post-closing purchase price adjustments to account for differences between BSPR’s actual excess capital at closing date compared to the BSPR’s excess capital amount used for the preliminary closing statement at acquisition date. Management does not anticipate additional adjustments to the acquisition date valuation amounts presented herein. The following table summarizes the purchase price consideration and estimated fair values of assets acquired and liabilities assumed from BSPR as of September 1, 2020 under the acquisition method of accounting: Fair Value as Originally Measurement Period Fair Value as (In thousands) Recorded Adjustments Remeasured Total purchase price consideration $ 1,277,626 $ 3,382 $ 1,281,008 Fair value of assets acquired: Cash and cash equivalents $ 1,684,252 $ - $ 1,684,252 Investment securities 1,167,225 - 1,167,225 Loans: Residential mortgage loans 807,637 540 808,177 Commercial mortgage loans 740,919 122 741,041 Commercial and Industrial (“C&I”) loans 752,154 ( 390) 751,764 Consumer loans 214,206 ( 488) 213,718 Loans, net 2,514,916 ( 216) 2,514,700 Premises and equipment, net 12,499 - 12,499 Intangible assets 39,232 448 39,680 Other assets 144,008 ( 195) 143,813 Total assets and identifiable intangible assets acquired 5,562,132 37 5,562,169 Fair value of liabilities assumed: Deposits $ 4,194,940 $ - $ 4,194,940 Other liabilities 95,869 865 96,734 Total liabilities assumed 4,290,809 865 4,291,674 Fair value of net assets and identifiable intangible assets acquired 1,271,323 ( 828) 1,270,495 Goodwill $ 6,303 $ 4,210 $ 10,513 Goodwill recognized in this transaction is not deductible for income tax purposes. For a description of the methods used to determine the fair values of significant identifiable assets and liabilities assumed, see Note 2 - Business Combination in the audited consolidated financial statements included in the 2020 Annual Report on Form 10-K. Merger and Restructuring Costs Upon completion of the acquisition, the Corporation began to integrate BSPR’s operations into FirstBank’s operations. Over the next several months, the Corporation expects to refine the integration process, which the Corporation expects to complete during the second and third quarters of 2021. The Corporation completed the conversions of the commercial, consumer and credit card loans systems during the first four months of 2021 but Management is still in the process of assessing personnel, technology systems, service contracts and other key factors to determine the most beneficial structure for the combined company. Certain decisions arising from these assessments may involve changes in information systems, cancellations of existing contracts and other actions. To the extent there are costs associated with these actions, the costs will be recognized based on the nature and timing of these integration actions. Most acquisition and restructuring costs are expensed, as incurred. The Corporation recognized cumulative acquisition expenses of $ 49.2 million through March 31, 2021, of which $ 11.3 million and $ 0.8 million were incurred during the first quarters of 2021 and 2020, respectively. Acquisition, integration, and restructuring expenses were included in merger and restructuring costs in the consolidated statements of income, and consisted primarily of legal fees, severance and personnel-related costs, valuation services, systems conversion, and other integration efforts, as well as accelerated depreciation charges related to planned closures and consolidation of branches in accordance with the Corporation’s integration and restructuring plan.

EARNINGS PER COMMON SHARE

EARNINGS PER COMMON SHARE	3 Months Ended
	Mar. 31, 2021
Earnings Per Share [Abstract]
EARNINGS PER COMMON SHARE [Text Block]	NOTE 3 – EARNINGS PER COMMON SHARE The calculations of earnings per common share for the quarters ended March 31,2021 and 2020 are as follows: Quarter Ended March 31, March 31, 2021 2020 (In thousands, except per share information) Net income $ 61,150 $ 2,266 Less: Preferred stock dividends ( 669) ( 669) Net income attributable to common stockholders $ 60,481 $ 1,597 Weighted-Average Shares: Average common shares outstanding 217,033 216,785 Average potential dilutive common shares 1,244 529 Average common shares outstanding-assuming dilution 218,277 217,314 Earnings per common share: Basic $ 0.28 $ 0.01 Diluted $ 0.28 $ 0.01 Earnings per common share is computed by dividing net income attributable to common stockholders by the weighted-average number of common shares issued and outstanding. Net income attributable to common stockholders represents net income adjusted for any preferred stock dividends, including any dividends declared but not yet paid, and any cumulative dividends related to the current dividend period that have not been declared as of the end of the period. Basic weighted-average common shares outstanding exclude unvested shares of restricted stock that do not contain non-forfeitable dividend rights. Potential dilutive common shares consist of unvested shares of restricted stock that do not contain non-forfeitable dividend rights using the treasury stock method. This method assumes that proceeds equal to the amount of compensation cost attributable to future services is used to repurchase shares on the open market at the average market price for the period. The difference between the number of potential dilutive shares issued and the shares purchased is added as incremental shares to the actual number of shares outstanding to compute diluted earnings per share. Unvested shares of restricted stock outstanding during the period that result in lower potential dilutive shares issued than shares purchased under the treasury stock method are not included in the computation of dilutive earnings per share since their inclusion would have an antidilutive effect on earnings per share. Potential dilutive common shares also include performance units that do not contain non-forfeitable dividend rights if the performance condition is met as of the end of the reporting period.

STOCK-BASED COMPENSATION

STOCK-BASED COMPENSATION	3 Months Ended
	Mar. 31, 2021
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
STOCK-BASED COMPENSATION [Text Block]	NOTE 4 – STOCK-BASED COMPENSATION On May 24, 2016, the Corporation’s stockholders approved the amendment and restatement of the First BanCorp. Omnibus Incentive Plan, as amended (the “Omnibus Plan”), to, among other things, increase the number of shares of common stock reserved for issuance under the Omnibus Plan, extend the term of the Omnibus Plan to May 24, 2026 and re-approve the material terms of the performance goals under the Omnibus Plan for purposes of the then-effective Section 162(m) of the U.S. Internal Revenue Code of 1986, as amended. The Omnibus Plan provides for equity-based and non equity-based compensation incentives (the “awards”) through the grant of stock options, stock appreciation rights, restricted stock, restricted stock units, performance shares, other stock-based awards and cash-based awards. The Omnibus Plan authorizes the issuance of up to 14,169,807 shares of common stock, subject to adjustments for stock splits, reorganizations and other similar events. As of March 31, 2021, 5,081,833 authorized shares of common stock were available for issuance under the Omnibus Plan. The Corporation’s Board of Directors, based on the recommendation of the Corporation’s Compensation and Benefits Committee, has the power and authority to determine those eligible to receive awards and to establish the terms and conditions of any awards, subject to various limits and vesting restrictions that apply to individual and aggregate awards. Restricted Stock Under the Omnibus Plan, the Corporation may grant restricted stock to plan participants, subject to forfeiture upon the occurrence of certain events until the dates specified in the participant’s award agreement. While the restricted stock is subject to forfeiture and does not contain non-forfeitable dividend rights, participants may exercise full voting rights with respect to the shares of restricted stock granted to them. The restricted stock granted under the Omnibus Plan is typically subject to a vesting period. During the first quarter of 2021, the Corporation awarded to an independent director 3,552 shares of restricted stock that are subject to one-year 288,649 shares of restricted stock to employees; fifty percent ( 50%) of those shares vest on the two-year anniversary of the grant date and the remaining 50% vest on the three-year anniversary of the grant date. Included in those 288,649 shares of restricted stock were 19,271 shares granted to retirement-eligible employees. The total expense determined for the restricted stock awarded to retirement-eligible employees was charged against earnings as of the grant date. During the first quarter of 2020, the Corporation awarded 851,673 shares of restricted stock to employees; fifty percent ( 50%) of those shares vest on the two-year anniversary of the grant date and the remaining 50% vest on the three-year anniversary of the grant date. Included in those 851,673 shares of restricted stock were 47,194 shares granted to retirement-eligible employees. The fair value of the shares of restricted stock granted in the first quarter of 2021 and 2020 was based on the market price of the Corporation’s outstanding common stock on the date of the respective grant. The following table summarizes the restricted stock activity in the first quarter of 2021 under the Omnibus Plan: Quarter Ended March 31, 2021 Number of shares of Weighted-Average restricted Grant Date stock Fair Value Unvested shares outstanding at beginning of period 1,320,723 $ 5.74 Granted 292,201 11.26 Forfeited ( 8,340) 5.98 Vested ( 285,342) 8.41 Unvested shares outstanding as of March 31, 2021 1,319,242 $ 6.38 For the quarters ended March 31, 2021 and 2020, the Corporation recognized $ 0.9 million and $ 0.8 million, respectively, of stock-based compensation expense related to restricted stock awards. As of March 31, 2021, there was $ 5.4 million of total unrecognized compensation cost related to unvested shares of restricted stock. The weighted average period over which the Corporation expects to recognize such cost was 1.9 years as of March 31, 2021. Stock-based compensation accounting guidance requires the Corporation to reverse compensation expense for any awards that are forfeited due to employee or director turnover. Quarterly changes in the estimated forfeiture rate may have a significant effect on stock-based compensation, as the Corporation recognizes the effect of adjusting the rate for all expense amortization in the period in which the forfeiture estimate is changed. If the actual forfeiture rate is higher than the estimated forfeiture rate, an adjustment is made to increase the estimated forfeiture rate, which will result in a decrease in the expense recognized in the financial statements. If the actual forfeiture rate is lower than the estimated forfeiture rate, an adjustment is made to decrease the estimated forfeiture rate, which will result in an increase in the expense recognized in the financial statements. Performance Units Under the Omnibus Plan, the Corporation may award performance units to Omnibus Plan participants. During the first quarter of 2021, the Corporation granted 160,485 units to executives, with each unit representing the value of one share of the Corporation’s common stock. The performance units granted in 2021 are for the performance period beginning January 1, 2021 and ending on December 31, 2023 and are subject to three-year The performance units will vest based on the achievement of a pre-established tangible book value per share target as of December 31, 2023. All of the performance units will vest if performance is at the pre-established performance target level or above. However, the participants may vest with respect to 50% of the awards to the extent that performance is below the target but at 80% of the pre-established performance target level (the “80% minimum threshold”), which is measured based upon the growth in the tangible book value during the performance cycle. If performance is between the 80% minimum threshold and the pre-established performance target level, the participants will vest on a proportional amount. No performance units will vest if performance is below the 80% minimum threshold. During the first quarter ended March 31, 2021, the Corporation issued 304,408 shares of common stock related to performance units granted in 2018 that met the pre-established target and vested in the first quarter. During the first quarter of 2020 and 2019, the Corporation awarded 502,307 and 200,053 performance units to executives, respectively. The performance units are subject to three-year The following table summarizes the performance units activity in the first quarter of 2021 under the Omnibus Plan: Three-Month Period Ended (Number of units) March 31, 2021 Performance units at beginning of year 1,006,768 Additions 160,485 Vested ( 304,408) Performance units at March 31, 2021 862,845 The fair values of the performance units awarded were based on the market price of the Corporation’s outstanding common stock on the respective date of the grant. For the quarters ended March 31, 2021 and 2020, the Corporation recognized $ 0.5 million and $ 0.3 million, respectively, of stock-based compensation expense related to performance units. As of March 31, 2021, there was $ 3.9 million of total unrecognized compensation cost related to unvested performance units that the Corporation expects to recognize over the next three years. The total amount of compensation expense recognized reflects management’s assessment of the probability that the pre-established performance goal will be achieved. The Corporation will recognize a cumulative adjustment to compensation expense in the then-current period to reflect any changes in the probability of achievement of the performance goals. Shares withheld During the quarter ended March 31, 2021, the Corporation withheld 194,471 shares (first quarter of 2020 – 50,285 shares) of the restricted stock and performance units that vested during such period to cover the officers’ payroll and income tax withholding liabilities; these shares are held as treasury shares. The Corporation paid in cash any fractional share of salary stock to which an officer was entitled. In the consolidated financial statements, the Corporation treats shares withheld for tax purposes as common stock repurchases.

INVESTMENT SECURITIES

INVESTMENT SECURITIES	3 Months Ended
	Mar. 31, 2021
Debt and Equity Securities [Abstract]
INVESTMENT SECURITIES [Text Block]	NOTE 5 – INVESTMENT SECURITIES Investment Securities Available for Sale The amortized cost, gross unrealized gains and losses recorded in other comprehensive income (loss), ACL, estimated fair value, and weighted-average yield of investment securities available for sale by contractual maturities as of March 31, 2021 were as follows: March 31, 2021 Amortized cost Gross Fair value Unrealized Weighted- Gains Losses ACL average yield % (Dollars in thousands) U.S. Treasury securities: After 1 to 5 years $ 7,482 $ - $ 16 $ - $ 7,466 0.22 U.S. government-sponsored agencies' obligations: Due within one year 17,890 171 - - 18,061 2.00 After 1 to 5 years 751,657 562 8,181 - 744,038 0.57 After 5 to 10 years 623,758 299 15,065 - 608,992 0.84 After 10 years 20,882 - 148 - 20,734 0.65 Puerto Rico government obligations: After 10 years (1) 3,926 - 789 308 2,829 6.97 United States and Puerto Rico government obligations 1,425,595 1,032 24,199 308 1,402,120 0.72 Mortgage-backed securities ("MBS"): Freddie Mac ("FHLMC") certificates: Due within one year 67 7 - - 74 4.85 After 5 to 10 years 60,565 2,334 - - 62,899 2.15 After 10 years 1,347,232 7,516 24,020 - 1,330,728 1.21 1,407,864 9,857 24,020 - 1,393,701 1.25 Ginnie Mae ("GNMA") certificates: Due within one year 1 - - - 1 1.63 After 1 to 5 years 23,917 1,026 - - 24,943 2.91 After 5 to 10 years 36,984 228 195 - 37,017 0.35 After 10 years 504,084 12,743 1,670 - 515,157 1.11 564,986 13,997 1,865 - 577,118 1.14 Fannie Mae ("FNMA") certificates: After 1 to 5 years 24,800 717 - - 25,517 2.81 After 5 to 10 years 133,177 4,015 546 - 136,646 1.84 After 10 years 1,471,162 14,726 22,097 - 1,463,791 1.35 1,629,139 19,458 22,643 - 1,625,954 1.41 Collateralized mortgage obligations issued or guaranteed by the FHLMC, FNMA and GNMA: After 1 to 5 years 446 - 1 - 445 0.78 After 5 to 10 years 40,922 128 336 - 40,714 1.10 After 10 years 362,100 733 5,042 - 357,791 1.45 403,468 861 5,379 - 398,950 1.41 Private label: After 10 years 11,722 - 2,550 875 8,297 2.20 Total MBS 4,017,179 44,173 56,457 875 4,004,020 1.32 Other: After 1 to 5 years 650 - - - 650 2.90 Total investment securities available for sale $ 5,443,424 $ 45,205 $ 80,656 $ 1,183 $ 5,406,790 1.16 __________ Consists of a residential pass-through MBS issued by the Puerto Rico Housing Finance Authority (“PRHFA”) that is collateralized by certain second mortgages originated under a program launched by the Puerto Rico government in 2010. The amortized cost, gross unrealized gains and losses recorded in other comprehensive income (loss), ACL, estimated fair value, and weighted-average yield of investment securities available for sale by contractual maturities as of December 31, 2020 were as follows: December 31, 2020 Amortized cost Gross Fair value Unrealized Weighted- Gains Losses ACL average yield% (Dollars in thousands) U.S. Treasury securities: Due within one year $ 7,498 $ 9 $ - $ - $ 7,507 1.65 U.S. government-sponsored agencies' obligations: Due within one year 24,413 273 - - 24,686 1.95 After 1 to 5 years 691,668 911 290 - 692,289 0.57 After 5 to 10 years 441,454 821 347 - 441,928 0.83 After 10 years 21,413 - 149 - 21,264 0.65 Puerto Rico government obligations: After 10 years (1) 3,987 - 780 308 2,899 6.97 United States and Puerto Rico government obligations 1,190,433 2,014 1,566 308 1,190,573 0.72 MBS: FHLMC certificates: After 1 to 5 years 75 8 - - 83 4.86 After 5 to 10 years 60,773 2,850 - - 63,623 2.15 After 10 years 1,070,984 15,340 159 - 1,086,165 1.38 1,131,832 18,198 159 - 1,149,871 1.42 GNMA certificates: Due within one year 1 - - - 1 1.93 After 1 to 5 years 26,918 1,080 - - 27,998 2.91 After 5 to 10 years 40,727 128 69 - 40,786 0.42 After 10 years 614,584 16,271 148 - 630,707 1.27 682,230 17,479 217 - 699,492 1.29 FNMA certificates: After 1 to 5 years 24,812 891 - - 25,703 2.81 After 5 to 10 years 110,832 5,783 - - 116,615 2.13 After 10 years 1,154,707 23,459 203 - 1,177,963 1.53 1,290,351 30,133 203 - 1,320,281 1.61 Collateralized mortgage obligations issued or guaranteed by the FHLMC, FNMA and GNMA: After 1 to 5 years 538 - 1 - 537 0.81 After 5 to 10 years 18,438 152 - - 18,590 0.80 After 10 years 258,069 1,019 491 - 258,597 1.56 277,045 1,171 492 - 277,724 1.51 Private label After 10 years 12,310 - 2,880 1,002 8,428 2.25 Total MBS 3,393,768 66,981 3,951 1,002 3,455,796 1.47 Other After 1 to 5 years 650 - - - 650 2.94 Total investment securities available for sale $ 4,584,851 $ 68,995 $ 5,517 $ 1,310 $ 4,647,019 1.28 Consists of a residential pass-through MBS issued by the PRHFA that is collateralized by certain second mortgages originated under a program launched by the Puerto Rico government in 2010. Maturities of MBS are based on the period of final contractual maturity. Expected maturities of investments might differ from contractual maturities because they may be subject to prepayments and/or call options. The weighted-average yield on investment securities available for sale is based on amortized cost and, therefore, does not give effect to changes in fair value. The net unrealized gain or loss on securities available for sale is presented as part of other comprehensive income (loss). The following tables show the fair value and gross unrealized losses of the Corporation’s available-for-sale investment securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, as of March 31, 2021 and December 31, 2020. The tables also include debt securities for which an ACL was recorded. As of March 31, 2021 Less than 12 months 12 months or more Total Unrealized Unrealized Unrealized Fair Value Losses Fair Value Losses Fair Value Losses (In thousands) Debt securities: Puerto Rico-government obligations $ - $ - $ 2,829 $ 789 $ 2,829 $ 789 U.S. Treasury and U.S. government agenciesʼ obligations 1,234,071 23,236 27,332 174 1,261,403 23,410 MBS: FNMA 1,138,051 22,643 - - 1,138,051 22,643 FHLMC 1,025,221 24,020 - - 1,025,221 24,020 GNMA 116,960 1,865 - - 116,960 1,865 Collateralized mortgage obligations issued or guaranteed by the FHLMC, FNMA and GNMA 285,821 5,278 9,300 101 295,121 5,379 Private label MBS - - 8,297 2,550 8,297 2,550 $ 3,800,124 $ 77,042 $ 47,758 $ 3,614 $ 3,847,882 $ 80,656 As of December 31, 2020 Less than 12 months 12 months or more Total Unrealized Unrealized Unrealized Fair Value Losses Fair Value Losses Fair Value Losses (In thousands) Debt securities: Puerto Rico-government obligations $ - $ - $ 2,899 $ 780 $ 2,899 $ 780 U.S. Treasury and U.S. government agenciesʼ obligations 425,155 621 23,377 165 448,532 786 MBS: FNMA 93,509 203 - - 93,509 203 FHLMC 89,292 159 - - 89,292 159 GNMA 70,504 217 - - 70,504 217 Collateralized mortgage obligations issued or guaranteed by the FHLMC, FNMA and GNMA 104,500 410 9,761 82 114,261 492 Private label MBS - - 8,428 2,880 8,428 2,880 $ 782,960 $ 1,610 $ 44,465 $ 3,907 $ 827,425 $ 5,517 During the first quarter of 2020, the Corporation sold approximately $ 275.6 million of U.S. agencies MBS and recognized a gain of approximately $ 8.2 million. These sales settled in April 2020. The $8.2 million was realized at the tax-exempt international banking entity subsidiary, which had no income tax expense recorded during the quarter ended March 31, 2020. There were no sales of securities available for sale during the first quarter of 2021. Assessment for Credit Losses Debt securities issued by U.S. government agencies, U.S. government-sponsored entities (“GSEs”), and the U.S. Treasury, including notes and MBS, accounted for approximately 99% of the total available-for-sale portfolio as of March 31, 2021, and the Corporation expects no credit losses, given the explicit and implicit guarantees provided by the U.S. federal government. Because the decline in fair value is attributable to changes in interest rates, and not credit quality, and because the Corporation does not have the intent to sell these U.S. government and agencies debt securities and it is likely that it will not be required to sell the securities before their anticipated recovery, the Corporation does not consider impairments on these securities to be credit related as of March 31, 2021. The Corporation’s credit loss assessment was concentrated mainly on private label MBS, and on Puerto Rico government debt securities, for which credit losses are evaluated on a quarterly basis. The Corporation considered the following factors in determining whether a credit loss existed and the period over which the debt security was expected to recover:  Any adverse change to the credit conditions and liquidity of the issuer, taking into consideration the latest information available about the financial condition of the issuer, credit ratings, the failure of the issuer to make scheduled principal or interest payments, recent legislation and government actions affecting the issuer’s industry, and actions taken by the issuer to deal with the present economic climate;  Changes in the near term prospects of the underlying collateral for a security, if any, such as changes in default rates, loss severity given a default, and significant changes in prepayment assumptions; and  The level of cash flows generated from the underlying collateral, if any, supporting the principal and interest payments of the debt securities. The Corporation’s available-for-sale MBS portfolio includes private label MBS with a fair value of $ 8.3 million, which had unrealized losses of approximately $ 3.4 million as of March 31, 2021, of which $ 0.9 million is due to credit deterioration and is part of the ACL. The interest rate on these private-label MBS is variable, tied to 3-month LIBOR and limited to the weighted-average coupon on the underlying collateral. The underlying collateral is fixed-rate, single-family residential mortgage loans in the United State with original FICO scores over 700 and moderate loan-to-value ratios (under 80%), as well as moderate delinquency levels. As of March 31, 2021, the Corporation did not have the intent to sell these securities and determined that it is likely that it will not be required to sell the securities before anticipated recovery. The Corporation determined the ACL for private label MBS based on a risk-adjusted discounted cash flow methodology that considers the structure and terms of the instruments. The Corporation utilized probability of default (“PDs”) and loss given default (“LGDs”) that considered, among other things, historical payment performance, loan-to value attributes and relevant current and forward-looking macroeconomic variables, such as regional unemployment rates and the housing price index. Under this approach, all future cash flows (interest and principal) from the underlying collateral loans, adjusted by prepayments and the PDs and LGDs, were discounted at the effective interest rate as of the reporting date. Significant assumptions in the valuation of the private label MBS were as follows: As of As of March 31, 2021 December 31, 2020 Weighted Range Weighted Range Average Minimum Maximum Average Minimum Maximum Discount rate 12.9% 12.9% 12.9% 12.2% 12.2% 12.2% Prepayment rate 13.6% 0.7% 21.9% 12.1% 1.2% 18.8% Projected Cumulative Loss Rate 7.7% 0.1% 17.8% 10.2% 2.6% 22.3% The Corporation evaluates if a credit loss exists, primarily by monitoring adverse variances in the present value of expected cash flows. As of March 31, 2021, the ACL for these private label MBS was $ 0.9 million, relatively flat compared to $ 1.0 million as of December 31, 2020. As of March 31, 2021, the Corporation’s available-for-sale investment securities portfolio also included a residential pass-through MBS issued by the PRHFA, collateralized by certain second mortgages, with a fair value of $ 2.8 million, which had an unrealized loss of approximately $ 1.1 million. Approximately $ 0.3 million of the unrealized losses was due to credit deterioration and is part of the ACL. The underlying second mortgage loans were originated under a program launched by the Puerto Rico government in 2010. This residential pass-through MBS was structured as a zero-coupon bond for the first ten years (up to July 2019). The underlying source of payment on this residential pass-through MBS is second mortgage loans in Puerto Rico. PRHFA, not the Puerto Rico government, provides a guarantee in the event of default and subsequent foreclosure of the properties underlying the second mortgage loans. The Corporation determined the ACL on this instrument based on a risk-adjusted discounted cash flow methodology that considered the structure and terms of the underlying collateral. The Corporation utilized PDs and LGDs that considered, among other things, historical payment performance, loan-to value attributes and relevant current and forward-looking macroeconomic variables, such as regional unemployment rates, the housing price index and expected recovery from the PRHFA guarantee. Under this approach, all future cash flows (interest and principal) from the underlying collateral loans, adjusted by prepayments and the PDs and LGDs, were discounted at the internal rate of return as of the reporting date and compared to the amortized cost. In the event that the second mortgage loans default and the collateral is insufficient to satisfy the outstanding balance of this residential pass-through MBS, PRHFA’s ability to honor its insurance will depend on, among other factors, the financial condition of PRHFA at the time such obligation becomes due and payable. Further deterioration of the Puerto Rico economy or fiscal health of the PRHFA could impact the value of these securities, resulting in additional losses to the Corporation. As of March 31, 2021, the Corporation did not have the intent to sell this security and determined that it was likely that it will not be required to sell the security before its anticipated recovery. Accrued interest receivable on available-for-sale debt securities totaled $ 9.6 million as of March 31, 2021 ($ 8.5 million as of December 31, 2020) and is excluded from the estimate of credit losses. The following table presents a rollforward by major security type for the quarter ended March 31, 2021 and 2020 of the ACL on debt securities available-for-sale: Quarter Ended March 31, 2021 Private label Puerto Rico Government MBS Obligations Total (In thousands) Beginning Balance $ 1,002 $ 308 $ 1,310 Release for securities for which previous expected credit losses were recognized (provision for credit losses - benefit) ( 127) - ( 127) ACL on debt securities available-for-sale $ 875 308 1,183 Quarter Ended March 31, 2020 Private label Puerto Rico Government MBS Obligations Total (In thousands) Beginning Balance $ - $ - $ - Impact of adopting CECL - - - Addition for securities for which previous expected credit losses were recognized (provision for credit losses - expense) 368 - 368 ACL on debt securities available-for-sale $ 368 - 368 Investments Held to Maturity The amortized cost, gross unrecognized gains and losses, estimated fair value, ACL, weighted-average yield and contractual maturities of investment securities held to maturity as of March 31, 2021 and December 31, 2020 were as follows: March 31, 2021 Amortized cost Fair value Gross Unrecognized ACL Weighted - average yield % (Dollars in thousands) Gains Losses Puerto Rico municipal bonds: Due within one year $ 2,968 $ 3 $ 26 $ 2,945 $ 52 5.38 After 1 to 5 years 14,843 659 136 15,366 601 2.57 After 5 to 10 years 88,564 1,603 1,568 88,599 3,967 4.65 After 10 years 83,305 - 11,901 71,404 4,249 3.57 Total investment securities held to maturity $ 189,680 $ 2,265 $ 13,631 $ 178,314 $ 8,869 4.03 December 31, 2020 Amortized cost Fair value Gross Unrecognized Weighted - average yield % (Dollars in thousands) Gains Losses ACL Puerto Rico municipal bonds: Due within one year $ 556 $ 7 $ - $ 563 $ - 5.41 After 1 to 5 years 17,297 561 305 17,553 576 3.00 After 5 to 10 years 88,394 1,388 3,146 86,636 4,401 4.66 After 10 years 83,241 - 14,187 69,054 3,868 3.57 Total investment securities held to maturity $ 189,488 $ 1,956 $ 17,638 $ 173,806 $ 8,845 4.03 The following tables show the Corporation’s held-to-maturity investments’ fair value and gross unrecognized losses, aggregated by investment category and length of time that individual securities had been in a continuous unrecognized loss position, as of March 31, 2021 and December 31, 2020, including debt securities for which an ACL was recorded. As of March 31, 2021 Less than 12 months 12 months or more Total Unrecognized Unrecognized Unrecognized Fair Value Losses Fair Value Losses Fair Value Losses (In thousands) Debt securities: Puerto Rico municipal bonds $ 24,566 $ 1,002 $ 116,302 $ 12,629 $ 140,868 $ 13,631 As of December 31, 2020 Less than 12 months 12 months or more Total Unrecognized Unrecognized Unrecognized Fair Value Losses Fair Value Losses Fair Value Losses (In thousands) Debt securities: Puerto Rico municipal bonds $ 28,252 $ 1,611 $ 116,216 $ 16,027 $ 144,468 $ 17,638 The Corporation determines the ACL of Puerto Rico municipal bonds based on the product of a cumulative PD and LGD, and the amortized cost basis of the bonds over their remaining expected life, as described in Note 1 – Nature of Business and Summary of Significant Accounting Policies in the audited consolidated financial statements included in the 2020 Annual Report on Form 10-K. The Corporation performs periodic credit quality reviews on these issuers. All of the Puerto Rico municipal bonds were current as to scheduled contractual payments as of March 31, 2021. The Puerto Rico municipal bonds had an ACL of $ 8.9 million as of March 31, 2021, relatively flat compared to $ 8.8 million as of December 31, 2020. According to the Corporation’s policy, accrued interest receivable on held-to-maturity debt securities, totaled $ 1.8 million as of March 31, 2021 ($ 3.6 million as of December 31, 2020), was excluded from the estimate of credit losses. The following table presents the activity in the ACL for debt securities held-to-maturity by major security type for the quarters ended March 31, 2021 and 2020, respectively: Quarter Ended March 31, 2021 2020 Puerto Rico Puerto Rico Municipal Bonds Municipal Bonds (In thousands) Beginning balance $ 8,845 $ - Impact of adopting CECL - 8,134 Addition for securities for which no previous expected credit losses were recognized (provision for credit losses) - 1,134 Addition for securities for which previous expected credit losses were recognized (provision for credit losses) 24 - $ 8,869 $ 9,268 During the second quarter of 2019, the oversight board established by PROMESA announced the designation of Puerto Rico’s 78 municipalities as covered instrumentalities under PROMESA. Meanwhile, the latest fiscal plan certified by the PROMESA oversight board did not contemplate a restructuring of the debt of Puerto Rico’s municipalities but contemplates assistance to municipalities through the launch of three municipal incentive funds. Furthermore, municipalities may be affected by the negative economic and other effects resulting from expense, revenue or cash management measures taken by the Puerto Rico government to address its fiscal problems, or measures included in fiscal plans of other government entities, and, more recently, by the effect of the COVID-19 pandemic on the Puerto Rico and global economy. Given the uncertain effect of the negative fiscal situation of the Puerto Rico central government, the COVID-19 pandemic, and the measures taken, or to be taken, by other government entities in response to the COVID-19 pandemic on municipalities, the Corporation cannot be certain whether future charges to the ACL on these securities will be required. From time to time, the Corporation has securities held to maturity with an original maturity of three months or less that are considered cash and cash equivalents and are classified as money market investments in the consolidated statements of financial condition. As of March 31, 2021 and December 31, 2020, the Corporation had no outstanding securities held to maturity that were classified as cash and cash equivalents. Credit Quality Indicators: The held-to-maturity investment securities portfolio consisted of financing arrangements with Puerto Rico municipalities issued in bond form, which are accounted for as securities, but are underwritten as loans with features that are typically found in commercial loans. Accordingly, the Corporation monitors the credit quality of Puerto Rico municipal bonds held-to-maturity through the use of internal credit-risk ratings, which are generally updated on a quarterly basis. The Corporation considers a debt security held-to-maturity as a criticized asset if its risk rating is Special Mention, Substandard, Doubtful or Loss. Puerto Rico municipal bonds that do not meet the criteria for classification as criticized assets are considered to be pass-rated securities. The asset categories are defined below: Pass – Assets classified as pass have a well-defined primary source of repayment, with no apparent risk, strong financial position, minimal operating risk, profitability, liquidity and strong capitalization. Special Mention – Special Mention assets have potential weaknesses that deserve management’s close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the asset or in the Corporation’s credit position at some future date. Special Mention assets are not adversely classified and do not expose the Corporation to sufficient risk to warrant adverse classification. Substandard – Substandard assets are inadequately protected by the current sound worth and paying capacity of the obligor or of the collateral pledged, if any. Assets so classified must have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt. They are characterized by the distinct possibility that the institution will sustain some loss if the deficiencies are not corrected. Doubtful – Doubtful classifications have all of the weaknesses inherent in those classified Substandard with the added characteristic that the weaknesses make collection or liquidation in full highly questionable and improbable, based on currently known facts, conditions and values. A Doubtful classification may be appropriate in cases where significant risk exposures are perceived, but loss cannot be determined because of specific reasonable pending factors, which may strengthen the credit in the near term. Loss – Assets classified Loss are considered uncollectible and of such little value that their continuance as bankable assets is not warranted. This classification does not mean that the asset has absolutely no recovery or salvage value, but rather that it is not practical or desirable to defer writing off this asset even though partial recovery may occur in the future. There is little or no prospect for near term improvement and no realistic strengthening action of significance pending. The Corporation periodically reviews its assets to evaluate if they are properly classified, and to determine impairment, if any. The frequency of these reviews will depend on the amount of the aggregate outstanding debt, and the risk rating classification of the obligor. The Corporation has a Loan Review Group that reports directly to the Corporation’s Risk Management Committee and administratively to the Chief Risk Officer. The Loan Review Group performs annual comprehensive credit process reviews of the Bank’s commercial loan portfolios, including the above-mentioned Puerto Rico municipal bonds accounted for as held-to-maturity securities. This group evaluates the credit risk profile of portfolios, including the assessment of the risk rating representative of the current credit quality of the assets, and the evaluation of collateral documentation, if applicable. The monitoring performed by this group contributes to the assessment of compliance with credit policies and underwriting standards, the determination of the current level of credit risk, the evaluation of the effectiveness of the credit management process and the identification of any deficiency that may arise in the credit-granting process. Based on its findings, the Loan Review Group recommends corrective actions, if necessary, that help in maintaining a sound credit process. The Loan Review Group reports the results of the credit process reviews to the Risk Management Committee. The following table summarizes the amortized cost of the Puerto Rico municipal bonds, which are the Corporation’s only debt securities held-to-maturity, as of March 31, 2021 and December 31, 2020 aggregated by credit quality indicator: Held to Maturity Puerto Rico Municipal Bonds March 31, December 31 (In thousands) 2021 2020 Risk Ratings: Pass $ 189,680 $ 189,488 Criticized: Special Mention - - Substandard - - Doubtful - - Loss - - Total $ 189,680 $ 189,488 No held-to-maturity debt securities were on nonaccrual status, 90 days past due and still accruing, or past due as of March 31, 2021 and December 31, 2020. A security is considered to be past due once it is 30 days contractually past due under the terms of the agreement.

EQUITY SECURITIES

EQUITY SECURITIES	3 Months Ended
	Mar. 31, 2021
Investments All Other Investments [Abstract]
EQUITY SECURITIES [Text Block]	NOTE 6 – EQUITY SECURITIES Institutions that are members of the FHLB system are required to maintain a minimum investment in FHLB stock. Such minimum investment is calculated as a percentage of aggregate outstanding mortgages, and the FHLB requires an additional investment that is calculated as a percentage of total FHLB advances, letters of credit, and the collateralized portion of outstanding interest-rate swaps. The stock is capital stock issued at $ 100 par value. Both stock and cash dividends may be received on FHLB stock. As of each of March 31, 2021 and December 31, 2020, the Corporation had investments in FHLB stock carried at a cost of $ 31.2 million. Dividend income from FHLB stock for the quarters ended March 31, 2021 and 2020 was $ 0.4 million and $ 0.6 million, respectively. The FHLB of New York issued the shares of FHLB stock owned by the Corporation. The FHLB of New York is part of the Federal Home Loan Bank System, a national wholesale banking network of 11 regional, stockholder-owned congressionally chartered banks. The FHLBs are all privately capitalized and operated by their member stockholders. The system is supervised by the Federal Housing Finance Agency, which requires that the FHLBs operate in a financially safe and sound manner, remain adequately capitalized and able to raise funds in the capital markets, and carry out their housing finance mission. As of March 31, 2021 and December 31, 2020, the Corporation owned other equity securities with a readily determinable fair value of approximately $ 5.4 million and $ 1.5 million, respectively. During the first quarter of 2021, the Corporation recognized a marked-to-market loss of $ 31 27 thousand marked-to-market gain in the first quarter of 2020), which was recorded as part of other non-interest income in the consolidated statements of income. In addition, the Corporation had other equity securities that do not have a readily-determinable fair value. The carrying value of such securities as of each of March 31, 2021 and December 31, 2020 was $ 4.9 million.

LOANS HELD FOR INVESTMENT

LOANS HELD FOR INVESTMENT	3 Months Ended
	Mar. 31, 2021
Receivables [Abstract]
LOAN HELD FOR INVESTMENT [Text Block]	NOTE 7 – LOANS HELD FOR INVESTMENT The following provides information about the loan portfolio held for investment as of the indicated dates: As of March 31, As of December 31, 2021 2020 (In thousands) Residential mortgage loans, mainly secured by first mortgages $ 3,395,081 $ 3,521,954 Construction loans 190,996 212,500 Commercial mortgage loans 2,216,887 2,230,602 C&I loans (1) (2) (3) 3,182,706 3,202,590 Consumer loans 2,656,189 2,609,643 Loans held for investment (4) 11,641,859 11,777,289 ACL on loans and finance leases ( 358,936) ( 385,887) Loans held for investment, net $ 11,282,923 $ 11,391,402 During the first quarter of 2021, three criticized commercial loan participations totaling $ 28.2 million were transferred to held for sale. These transfers resulted in charge-offs of $ 0.7 million in the first quarter of 2021. One of these participations amounting to $ 14.3 million was sold prior to the end of the first quarter and a second one amounting to $ 9.7 million was sold in early April 2021. As of March 31, 2021 and December 31, 2020, includes $ 430.5 million and $ 406.0 million, respectively, of Small Business Administration (‘SBA”) Paycheck Protection Program (“SBA PPP”) loans. As of each of March 31, 2021 and December 31, 2020, includes $ 1.0 billion of commercial loans that were secured by real estate but were not dependent upon the real estate for repayment. Includes accretable fair value net purchase discounts of $ 44.6 million and $ 48.0 million as of March 31, 2021 and December 31, 2020, respectively. The following tables present by portfolio classes the amortized cost basis of loans on nonaccrual status and loans past due 90 days or more and still accruing as of March 31, 2021 and the interest income recognized on nonaccrual loans for the quarters ended March 31, 2021 and 2020: As of March 31, 2021 Quarter Ended March 31, 2021 Quarter Ended March 31, 2020 Puerto Rico and Virgin Islands region Nonaccrual Loans with No ACL Nonaccrual Loans with ACL Total Nonaccrual Loans (2) Loans Past Due 90 days or more and Still Accruing (3) Interest Income Recognized on Nonaccrual Loans Interest Income Recognized on Nonaccrual Loans (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA\VA government-guaranteed $ - $ - $ - $ 98,957 $ - $ - Conventional residential mortgage loans 13,735 104,067 117,802 38,615 312 294 Construction loans 4,703 1,675 6,378 600 15 20 Commercial mortgage loans 13,248 15,300 28,548 2,993 50 74 C&I loans 13,176 5,416 18,592 11,498 17 32 Consumer Loans: Auto loans 1 8,901 8,902 - 22 50 Finance leases - 967 967 - 1 11 Personal loans - 1,327 1,327 - 28 19 Credit cards - - - 6,682 - - Other consumer loans - 2,942 2,942 2 - 5 Total loans held for investment (1) $ 44,863 $ 140,595 $ 185,458 $ 159,347 $ 445 $ 505 Nonaccrual loans exclude $ 367.0 million of troubled debt restructuring (“TDR”) loans that were in compliance with modified terms and in accrual status as of March 31, 2021. Excludes purchases with credit deterioration (“PCD”) loans previously accounted for under ASC Subtopic 310-30, “Loans and Debt Securities Acquired with Deteriorated Credit Quality” (“ASC Subtopic 310-30”) for which the Corporation made the accounting policy election for maintaining pools of loans accounted for under ASC Subtopic 310-30 as “units of account” both at the time of adoption of CECL and on an ongoing basis for credit loss measurement. These loans accrete interest income based on the effective interest rate of the loan pools determined at the time of adoption of CECL and will continue to be excluded from nonaccrual loan statistics as long as the Corporation can reasonably estimate the timing and amount of cash flows expected to be collected on the loan pools. The amortized cost of such loans as of March 31, 2021 was $ 128.4 million. These include rebooked loans, which were previously pooled into GNMA securities, amounting to $ 17.2 million as of March 31, 2021. Under the GNMA program, the Corporation has the option but not the obligation to repurchase loans that meet GNMA’s specified delinquency criteria. For accounting purposes, the loans subject to the repurchase option are required to be reflected on the financial statements with an offsetting liability. During the quarter ended March 31, 2021, the Corporation repurchased, pursuant to the aforementioned repurchase option, $ 0.3 million of loans previously sold to GNMA. As of March 31, 2021 Quarter Ended March 31, 2021 Quarter Ended March 31, 2020 Florida region Nonaccrual Loans with No ACL Nonaccrual Loans with ACL Total Nonaccrual Loans Loans Past Due 90 days or more and Still Accruing Interest Income Recognized on Nonaccrual Loans Interest Income Recognized on Nonaccrual Loans (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA\VA government-guaranteed $ - $ - $ - $ 250 $ - $ - Conventional residential mortgage loans 2,704 11,833 14,537 - 64 83 Construction loans - - - - - - Commercial mortgage loans - - - - - - C&I loans 536 - 536 - 18 19 Consumer Loans: Auto loans - 34 34 - - 2 Finance leases - - - - - - Personal loans - - - - - 2 Credit cards - - - - - - Other consumer loans - 536 536 - 5 4 Total loans held for investment (1) $ 3,240 $ 12,403 $ 15,643 $ 250 $ 87 $ 110 Nonaccrual loans exclude $ 6.8 million of TDR loans that were in compliance with modified terms and in accrual status as of March 31, 2021. As of March 31, 2021 Quarter Ended March 31, 2021 Quarter Ended March 31, 2020 Total Nonaccrual Loans with No ACL Nonaccrual Loans with ACL Total Nonaccrual Loans (2) Loans Past Due 90 days or more and Still Accruing (3) Interest Income Recognized on Nonaccrual Loans Interest Income Recognized on Nonaccrual Loans (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA\VA government-guaranteed $ - $ - $ - $ 99,207 $ - $ - Conventional residential mortgage loans 16,439 115,900 132,339 38,615 376 377 Construction loans 4,703 1,675 6,378 600 15 20 Commercial mortgage loans 13,248 15,300 28,548 2,993 50 74 C&I loans 13,712 5,416 19,128 11,498 35 51 Consumer Loans: Auto loans 1 8,935 8,936 - 22 52 Finance leases - 967 967 - 1 11 Personal loans - 1,327 1,327 - 28 21 Credit cards - - - 6,682 - - Other consumer loans - 3,478 3,478 2 5 9 Total loans held for investment (1) $ 48,103 $ 152,998 $ 201,101 $ 159,597 $ 532 $ 615 Nonaccrual loans exclude $ 373.8 million of TDR loans that were in compliance with modified terms and in accrual status as of March 31, 2021. Excludes PCD loans previously accounted for under ASC Subtopic 310-30 for which the Corporation made the accounting policy election of maintaining pools of loans accounted for under ASC 310-30 as “units of account” both at the time of adoption of CECL and on an ongoing basis for credit loss measurement. These loans accrete interest income based on the effective interest rate of the loan pools determined at the time of adoption of CECL and will continue to be excluded from nonaccrual loan statistics as long as the Corporation can reasonably estimate the timing and amount of cash flows expected to be collected on the loan pools. The amortized cost of such loans as of March 31, 2021 was $ 128.4 million. These include rebooked loans, which were previously pooled into GNMA securities, amounting to $ 17.2 million as of March 31, 2021. Under the GNMA program, the Corporation has the option but not the obligation to repurchase loans that meet GNMA’s specified delinquency criteria. For accounting purposes, the loans subject to the repurchase option are required to be reflected on the financial statements with an offsetting liability. During the quarter ended March 31, 2021, the Corporation repurchased, pursuant to the aforementioned repurchase option, $ 0.3 million of loans previously sold to GNMA. The following tables present by portfolio classes the amortized cost basis of loans on nonaccrual status and loans past due 90 days or more still accruing as of December 31, 2020: As of December 31, 2020 Puerto Rico and Virgin Islands region Nonaccrual Loans with No ACL Nonaccrual Loans with ACL Total Nonaccrual Loans (2) Loans Past Due 90 days or more and Still Accruing (3) (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA\VA government-guaranteed $ - $ - $ - $ 98,993 Conventional residential mortgage loans 12,418 98,527 110,945 38,834 Construction loans 4,546 8,425 12,971 - Commercial mortgage loans 11,777 17,834 29,611 3,252 C&I loans 14,824 5,496 20,320 2,246 Consumer Loans: Auto loans 26 8,638 8,664 - Finance leases - 1,466 1,466 - Personal loans - 1,623 1,623 - Credit cards - - - 1,520 Other consumer loans - 3,682 3,682 - Total loans held for investment (1) $ 43,591 $ 145,691 $ 189,282 $ 144,845 Nonaccrual loans exclude $ 386.7 million of TDR loans that were in compliance with modified terms and in accrual status as of December 31, 2020. Excludes PCD loans previously accounted for under ASC Subtopic 310-30 for which the Corporation made the accounting policy election for maintaining pools of loans accounted for under ASC Subtopic 310-30 as “units of account” both at the time of adoption of CECL and on an ongoing basis for credit loss measurement. These loans accrete interest income based on the effective interest rate of the loan pools determined at the time of adoption of CECL and will continue to be excluded from nonaccrual loan statistics as long as the Corporation can reasonably estimate the timing and amount of cash flows expected to be collected on the loan pools. The amortized cost of such loans as of December 31, 2020 was $ 130.9 million. These include rebooked loans, which were previously pooled into GNMA securities, amounting to $ 10.7 million as of December 31, 2020. Under the GNMA program, the Corporation has the option but not the obligation to repurchase loans that meet GNMA’s specified delinquency criteria. For accounting purposes, the loans subject to the repurchase option are required to be reflected on the financial statements with an offsetting liability. As of December 31, 2020 Florida region Nonaccrual Loans with No ACL Nonaccrual Loans with ACL Total Nonaccrual Loans Loans Past Due 90 days or more and Still Accruing (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA\VA government-guaranteed $ - $ - $ - $ 250 Conventional residential mortgage loans 2,584 11,838 14,422 - Construction loans - - - - Commercial mortgage loans - - - - C&I loans 561 - 561 - Consumer Loans: Auto loans - 223 223 - Finance leases - - - - Personal loans - - - - Credit cards - - - - Other consumer loans - 601 601 - Total loans held for investment (1) $ 3,145 $ 12,662 $ 15,807 $ 250 Nonaccrual loans exclude $ 6.6 million of TDR loans that were in compliance with modified terms and in accrual status as of December 31, 2020. As of December 31, 2020 Total Nonaccrual Loans with No ACL Nonaccrual Loans with ACL Total Nonaccrual Loans (2) Loans Past Due 90 days or more and Still Accruing (3) (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA\VA government-guaranteed $ - $ - $ - $ 99,243 Conventional residential mortgage loans 15,002 110,365 125,367 38,834 Construction loans 4,546 8,425 12,971 - Commercial mortgage loans 11,777 17,834 29,611 3,252 C&I loans 15,385 5,496 20,881 2,246 Consumer Loans: Auto loans 26 8,861 8,887 - Finance leases - 1,466 1,466 - Personal loans - 1,623 1,623 - Credit cards - - - 1,520 Other consumer loans - 4,283 4,283 - Total loans held for investment (1) $ 46,736 $ 158,353 $ 205,089 $ 145,095 Nonaccrual loans exclude $ 393.3 million of TDR loans that were in compliance with modified terms and in accrual status as of December 31, 2020. Excludes PCD loans previously accounted for under ASC Subtopic 310-30 for which the Corporation made the accounting policy election of maintaining pools of loans accounted for under ASC 310-30 as “units of account” both at the time of adoption of CECL and on an ongoing basis for credit loss measurement. These loans accrete interest income based on the effective interest rate of the loan pools determined at the time of adoption of CECL and will continue to be excluded from nonaccrual loan statistics as long as the Corporation can reasonably estimate the timing and amount of cash flows expected to be collected on the loan pools. The amortized cost of such loans as of December 31, 2020 was $ 130.9 million. These include rebooked loans, which were previously pooled into GNMA securities, amounting to $ 10.7 million as of December 31, 2020. Under the GNMA program, the Corporation has the option but not the obligation to repurchase loans that meet GNMA’s specified delinquency criteria. For accounting purposes, the loans subject to the repurchase option are required to be reflected on the financial statements with an offsetting liability. When a loan is placed on nonaccrual status, any accrued but uncollected interest income is reversed and charged against interest income and amortization of any net deferred fees is suspended. The amount of accrued interest reversed against interest income totaled $ 1.0 million for the first quarter of 2021 ($ 0.5 million for the first quarter of 2020). As of March 31, 2021, the recorded investment on residential mortgage loans collateralized by residential real estate property that were in the process of foreclosure amounted to $ 169.8 million, including $ 58.7 million of loans insured by the FHA or guaranteed by the VA, and $ 18.6 million of PCD loans acquired prior to the adoption, on January 1, 2020, of CECL and for which the Corporation made the accounting policy election of maintaining pools of loans previously accounted for under ASC 310-30 as “units of account.” The Corporation commences the foreclosure process on residential real estate loans when a borrower becomes 120 days delinquent, in accordance with the requirements of the Consumer Financial Protection Bureau (“CFPB”). Foreclosure procedures and timelines vary depending on whether the property is located in a judicial or non-judicial state. Judicial states ( i.e ., Puerto Rico, Florida and the USVI) require the foreclosure to be processed through the state’s court while foreclosure in non-judicial states ( i.e., the BVI) is processed without court intervention. Foreclosure timelines vary according to local jurisdiction law and investor guidelines. Occasionally, foreclosures may be delayed due to, among other reasons, mandatory mediations, bankruptcy, court delays and title issues. The Corporation’s aging of the loan portfolio held for investment by portfolio classes as of March 31, 2021 is as follows: As of March 31, 2021 Puerto Rico and Virgin Islands region 30-59 Days Past Due 60-89 Days Past Due 90 days or more Past Due (1) (2) (3) Total Past Due Current Total loans held for investment (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA/VA government-guaranteed loans (2) (3) (4) $ - $ 2,236 $ 98,957 $ 101,193 $ 53,560 $ 154,753 Conventional residential mortgage loans (4) - 41,520 156,417 197,937 2,551,202 2,749,139 Commercial loans: Construction loans (4) 2,582 - 6,978 9,560 59,725 69,285 Commercial mortgage loans (4) 1,613 34,340 31,541 67,494 1,758,251 1,825,745 C&I loans 7,563 6,974 30,090 44,627 2,179,386 2,224,013 Consumer loans: Auto loans 19,243 2,999 8,902 31,144 1,309,522 1,340,666 Finance leases 4,637 478 967 6,082 487,538 493,620 Personal loans 3,252 1,399 1,327 5,978 351,411 357,389 Credit cards 2,853 1,879 6,682 11,414 294,959 306,373 Other consumer loans 2,061 1,002 2,944 6,007 128,729 134,736 Total loans held for investment $ 43,804 $ 92,827 $ 344,805 $ 481,436 $ 9,174,283 $ 9,655,719 Includes nonaccrual loans and accruing loans that were contractually delinquent 90 days or more ( i.e ., FHA/VA guaranteed loans and credit cards). Credit card loans continue to accrue finance charges and fees until charged-off at 180 days. It is the Corporation's policy to report delinquent residential mortgage loans insured by the FHA, guaranteed by the VA, and other government-insured loans as past-due loans 90 days and still accruing as opposed to nonaccrual loans since the principal repayment is insured. The Corporation continues accruing interest on these loans until they have passed the 15 months delinquency mark, taking into consideration the FHA interest curtailment process. These balances include $ 58.3 million of residential mortgage loans insured by the FHA that were over 15 months delinquent. As of March 31, 2021, includes $ 17.2 million of defaulted loans collateralizing GNMA securities for which the Corporation has an unconditional option (but not an obligation) to repurchase the defaulted loans. According to the Corporation's delinquency policy and consistent with the instructions for the preparation of the Consolidated Financial Statements for Bank Holding Companies (FR Y-9C) required by the Federal Reserve Board, residential mortgage, commercial mortgage, and construction loans are considered past due when the borrower is in arrears on two or more monthly payments. FHA/VA government-guaranteed loans, conventional residential mortgage loans, commercial mortgage loans, and construction loans past due 30-59 days, but less than two payments in arrears, as of March 31, 2021 amounted to $ 4.5 million, $ 79.9 million, $ 3.3 million, and $ 0.1 million, respectively. As of March 31, 2021 Florida region 30-59 Days Past Due 60-89 Days Past Due 90 days or more Past Due (1) (2) Total Past Due Current Total loans held for investment (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA/VA government-guaranteed loans (2) $ - $ - $ 250 $ 250 $ 631 $ 881 Conventional residential mortgage loans (3) - 4,072 14,537 18,609 471,699 490,308 Commercial loans: Construction loans - - - - 121,711 121,711 Commercial mortgage loans (3) - - - - 391,142 391,142 C&I loans 868 1,367 536 2,771 955,922 958,693 Consumer loans: Auto loans 328 159 34 521 14,805 15,326 Finance leases - - - - - - Personal loans - - - - 156 156 Credit cards - - - - - - Other consumer loans 23 - 536 559 7,364 7,923 Total loans held for investment $ 1,219 $ 5,598 $ 15,893 $ 22,710 $ 1,963,430 $ 1,986,140 Includes nonaccrual loans and accruing loans that were contractually delinquent 90 days or more ( i.e ., FHA/VA guaranteed loans). It is the Corporation's policy to report delinquent residential mortgage loans insured by the FHA, guaranteed by the VA, and other government-insured loans as past-due loans 90 days and still accruing as opposed to nonaccrual loans since the principal repayment is insured. The Corporation continues accruing interest on these loans until they have passed the 15 months delinquency mark, taking into consideration the FHA interest curtailment process. No residential mortgage loans insured by the FHA in the Florida region were over 15 months delinquent as of March 31, 2021. According to the Corporation's delinquency policy and consistent with the instructions for the preparation of the Consolidated Financial Statements for Bank Holding Companies (FR Y-9C) required by the Federal Reserve Board, residential mortgage, commercial mortgage, and construction loans are considered past due when the borrower is in arrears on two or more monthly payments. Conventional residential mortgage loans and commercial mortgage loans past due 30-59 days, but less than two payments in arrears, as of March 31, 2021 amounted to $ 10.7 million and $ 0.2 million, respectively. As of March 31, 2021 Total 30-59 Days Past Due 60-89 Days Past Due 90 days or more Past Due (1) (2) (3) Total Past Due Current Total loans held for investment (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA/VA government-guaranteed loans (2) (3) (4) $ - $ 2,236 $ 99,207 $ 101,443 $ 54,191 $ 155,634 Conventional residential mortgage loans (4) - 45,592 170,954 216,546 3,022,901 3,239,447 Commercial loans: Construction loans (4) 2,582 - 6,978 9,560 181,436 190,996 Commercial mortgage loans (4) 1,613 34,340 31,541 67,494 2,149,393 2,216,887 C&I loans 8,431 8,341 30,626 47,398 3,135,308 3,182,706 Consumer loans: Auto loans 19,571 3,158 8,936 31,665 1,324,327 1,355,992 Finance leases 4,637 478 967 6,082 487,538 493,620 Personal loans 3,252 1,399 1,327 5,978 351,567 357,545 Credit cards 2,853 1,879 6,682 11,414 294,959 306,373 Other consumer loans 2,084 1,002 3,480 6,566 136,093 142,659 Total loans held for investment $ 45,023 $ 98,425 $ 360,698 $ 504,146 $ 11,137,713 $ 11,641,859 Includes nonaccrual loans and accruing loans that were contractually delinquent 90 days or more ( i.e ., FHA/VA guaranteed loans and credit cards). Credit card loans continue to accrue finance charges and fees until charged-off at 180 days. It is the Corporation's policy to report delinquent residential mortgage loans insured by the FHA, guaranteed by the VA, and other government-insured loans as past-due loans 90 days and still accruing as opposed to nonaccrual loans since the principal repayment is insured. The Corporation continues accruing interest on these loans until they have passed the 15 months delinquency mark, taking into consideration the FHA interest curtailment process. These balances include $ 58.3 million of residential mortgage loans insured by the FHA that were over 15 months delinquent. As of March 31, 2021, includes $ 17.2 million of defaulted loans collateralizing GNMA securities for which the Corporation has an unconditional option (but not an obligation) to repurchase the defaulted loans. According to the Corporation's delinquency policy and consistent with the instructions for the preparation of the Consolidated Financial Statements for Bank Holding Companies (FR Y-9C) required by the Federal Reserve Board, residential mortgage, commercial mortgage, and construction loans are considered past due when the borrower is in arrears on two or more monthly payments. FHA/VA government-guaranteed loans, conventional residential mortgage loans, commercial mortgage loans, and construction loans past due 30-59 days, but less than two payments in arrears, as of March 31, 2021 amounted to $ 4.5 million, $ 90.6 million, $ 3.5 million, and $ 0.1 million, respectively. The Corporation’s aging of the loan portfolio held for investment by portfolio classes as of December 31, 2020 is as follows: As of December 31, 2020 Puerto Rico and Virgin Islands region 30-59 Days Past Due 60-89 Days Past Due 90 days or more Past Due (1) (2) (3) Total Past Due Current Total loans held for investment (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA/VA government-guaranteed loans (2) (3) (4) $ - $ 2,223 $ 98,993 $ 101,216 $ 48,348 $ 149,564 Conventional residential mortgage loans (4) - 61,040 149,779 210,819 2,641,820 2,852,639 Commercial loans: Construction loans (4) - 19 12,971 12,990 72,026 85,016 Commercial mortgage loans (4) 5,071 6,588 32,863 44,522 1,808,702 1,853,224 C&I loans 3,283 10,692 22,566 36,541 2,228,190 2,264,731 Consumer loans: Auto loans 24,025 5,992 8,664 38,681 1,239,445 1,278,126 Finance leases 5,059 1,086 1,466 7,611 465,378 472,989 Personal loans 4,034 1,981 1,623 7,638 364,373 372,011 Credit cards 3,528 5,842 1,518 10,888 308,936 319,824 Other consumer loans 2,143 993 3,684 6,820 133,162 139,982 Total loans held for investment $ 47,143 $ 96,456 $ 334,127 $ 477,726 $ 9,310,380 $ 9,788,106 Includes nonaccrual loans and accruing loans that were contractually delinquent 90 days or more ( i.e ., FHA/VA guaranteed loans and credit cards). Credit card loans continue to accrue finance charges and fees until charged-off at 180 days. It is the Corporation's policy to report delinquent residential mortgage loans insured by the FHA, guaranteed by the VA, and other government-insured loans as past-due loans 90 days and still accruing as opposed to nonaccrual loans since the principal repayment is insured. The Corporation continues accruing interest on these loans until they have passed the 15 months delinquency mark, taking into consideration the FHA interest curtailment process. These balances include $ 57.9 million of residential mortgage loans insured by the FHA that were over 15 months delinquent. As of December 31, 2020, includes $ 10.7 million of defaulted loans collateralizing GNMA securities for which the Corporation has an unconditional option (but not an obligation) to repurchase the defaulted loans. According to the Corporation's delinquency policy and consistent with the instructions for the preparation of the Consolidated Financial Statements for Bank Holding Companies (FR Y-9C) required by the Federal Reserve Board, residential mortgage, commercial mortgage, and construction loans are considered past due when the borrower is in arrears on two or more monthly payments. FHA/VA government-guaranteed loans, conventional residential mortgage loans, commercial mortgage loans, and construction loans past due 30-59 days, but less than two payments in arrears, as of December 31, 2020 amounted to $ 5.9 million, $ 105.2 million, $ 5.0 million, and $ 0.1 million, respectively. As of December 31, 2020 Florida region 30-59 Days Past Due 60-89 Days Past Due 90 days or more Past Due (1) (2) Total Past Due Current Total loans held for investment (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA/VA government-guaranteed loans (2) (3) $ - $ - $ 250 $ 250 $ 920 $ 1,170 Conventional residential mortgage loans (3) - 3,237 14,422 17,659 500,922 518,581 Commercial loans: Construction loans - - - - 127,484 127,484 Commercial mortgage loans - - - - 377,378 377,378 C&I loans 218 - 561 779 937,080 937,859 Consumer loans: Auto loans 710 297 223 1,230 17,068 18,298 Finance leases - - - - - - Personal loans - - - - 157 157 Credit cards - - - - - - Other consumer loans 58 - 601 659 7,597 8,256 Total loans held for investment $ 986 $ 3,534 $ 16,057 $ 20,577 $ 1,968,606 $ 1,989,183 Includes nonaccrual loans and accruing loans that were contractually delinquent 90 days or more ( i.e ., FHA/VA guaranteed loans). It is the Corporation's policy to report delinquent residential mortgage loans insured by the FHA, guaranteed by the VA, and other government-insured loans as past-due loans 90 days and still accruing as opposed to nonaccrual loans since the principal repayment is insured. The Corporation continues accruing interest on these loans until they have passed the 15 months delinquency mark, taking into consideration the FHA interest curtailment process. No residential mortgage loans insured by the FHA in the Florida region were over 15 months delinquent. According to the Corporation's delinquency policy and consistent with the instructions for the preparation of the Consolidated Financial Statements for Bank Holding Companies (FR Y-9C) required by the Federal Reserve Board, residential mortgage, commercial mortgage, and construction loans are considered past due when the borrower is in arrears on two or more monthly payments. FHA/VA government-guaranteed loans and conventional residential mortgage loans past due 30-59 days, but less than two payments in arrears, as of December 31, 2020 amounted to $ 0.2 million and $ 6.6 million, respectively. As of December 31, 2020 Total 30-59 Days Past Due 60-89 Days Past Due 90 days or more Past Due (1) (2) (3) Total Past Due Current Total loans held for investment (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA/VA government-guaranteed loans (2) (3) (4) $ - $ 2,223 $ 99,243 $ 101,466 $ 49,268 $ 150,734 Conventional residential mortgage loans (4) - 64,277 164,201 228,478 3,142,742 3,371,220 Commercial loans: Construction loans (4) - 19 12,971 12,990 199,510 212,500 Commercial mortgage loans (4) 5,071 6,588 32,863 44,522 2,186,080 2,230,602 C&I loans 3,501 10,692 23,127 37,320 3,165,270 3,202,590 Consumer loans: Auto loans 24,735 6,289 8,887 39,911 1,256,513 1,296,424 Finance leases 5,059 1,086 1,466 7,611 465,378 472,989 Personal loans 4,034 1,981 1,623 7,638 364,530 372,168 Credit cards 3,528 5,842 1,518 10,888 308,936 319,824 Other consumer loans 2,201 993 4,285 7,479 140,759 148,238 Total loans held for investment $ 48,129 $ 99,990 $ 350,184 $ 498,303 $ 11,278,986 $ 11,777,289 Includes nonaccrual loans and accruing loans that were contractually delinquent 90 days or more ( i.e ., FHA/VA guaranteed loans and credit cards). Credit card loans continue to accrue finance charges and fees until charged-off at 180 days. It is the Corporation's policy to report delinquent residential mortgage loans insured by the FHA, guaranteed by the VA, and other government-insured loans as past-due loans 90 days and still accruing as opposed to nonaccrual loans since the principal repayment is insured. The Corporation continues accruing interest on these loans until they have passed the 15 months delinquency mark, taking into consideration the FHA interest curtailment process. These balances include $ 57.9 million of residential mortgage loans insured by the FHA that were over 15 months delinquent. As of December 31, 2020, includes $ 10.7 million of defaulted loans collateralizing GNMA securities for which the Corporation has an unconditional option (but not an obligation) to repurchase the defaulted loans. According to the Corporation's delinquency policy and consistent with the instructions for the preparation of the Consolidated Financial Statements for Bank Holding Companies (FR Y-9C) required by the Federal Reserve Board, residential mortgage, commercial mortgage, and construction loans are considered past due when the borrower is in arrears on two or more monthly payments. FHA/VA government-guaranteed loans, other residential mortgage loans, commercial mortgage loans, and construction loans past due 30-59 days, but less than two payments in arrears, as of December 31, 2020 amounted to $ 6.1 million, $ 111.8 million, $ 5.0 million, and $ 0.1 million respectively. Credit Quality Indicators: The Corporation categorizes loans into risk categories based on relevant information about the ability of the borrowers to service their debt such as: current financial information, historical payment experience, credit documentation, public information, and current economic trends, among other factors. The Corporation analyzes non-homogeneous loans, such as commercial mortgage, commercial and industrial, and construction loans individually to classify the loans’ credit risk. As mentioned above, the Corporation periodically reviews its commercial and construction loans to evaluate if they are properly classified. The frequency of these reviews will depend on the amount of the aggregate outstanding debt, and the risk rating classification of the obligor. In addition, during the renewal and annual review process of applicable credit facilities, the Corporation evaluates the corresponding loan grades. The Corporation uses the same definition for risk ratings as those described for Puerto Rico municipal bonds accounted for as held-to-maturity securities, as discussed in Note 5 – Investment Securities, above. For residential mortgage and consumer loans, the Corporation also evaluates credit quality based on credit scores and loan-to-value ratios, if applicable. Based on the most recent analysis performed, the amortized cost of commercial and construction loans by portfolio classes and by origination year based on the internal credit-risk category as of March 31, 2021 and the amortized cost of commercial and construction loans by portfolio classes based on the internal credit-risk category as of December 31, 2020 was as follows: As of March 31, 2021 Puerto Rico and Virgin Islands region Term Loans As of December 31, 2020 Amortized Cost Basis by Origination Year (1) (In thousands) 2021 2020 2019 2018 2017 Prior Revolving Loans Amortized Cost Basis Total Total CONSTRUCTION Risk Ratings: Pass $ 413 $ 13,128 $ 39,238 $ 1,722 $ 345 $ 4,735 $ - $ 59,581 $ 68,836 Criticized: Special Mention - - 773 - - - - 773 776 Substandard - - - 4,719 - 4,212 - 8,931 15,404 Doubtful - - - - - - - - - Loss - - - - - - - - - Total construction loans $ 413 $ 13,128 $ 40,011 $ 6,441 $ 345 $ 8,947 $ - $ 69,285 $ 85,016 COMMERCIAL MORTGAGE Risk Ratings: Pass $ 7,551 $ 378,746 $ 254,532 $ 191,156 $ 176,815 $ 442,414 $ 517 $ 1,451,731 $ 1,511,827 Criticized: Special Mention 3,893 10,940 88,216 51,964 119,255 22,328 - 296,596 292,736 Substandard 380 9 - 20,833 6,512 49,684 - 77,418 48,661 Doubtful - - - - - - - - - Loss - - - - - - - - - Total commercial mortgage loans $ 11,824 $ 389,695 $ 342,748 $ 263,953 $ 302,582 $ 514,426 $ 517 $ 1,825,745 $ 1,853,224 COMMERCIAL AND IN

ALLOWANCE FOR CREDIT LOSSES FOR

ALLOWANCE FOR CREDIT LOSSES FOR LOANS AND FINANCE LEASES	3 Months Ended
	Mar. 31, 2021
Loans And Leases Receivable Disclosure [Abstract]
ALLOWANCE FOR LOAN AND LEASE LOSSES [Text Block]	NOTE 8 – ALLOWANCE FOR CREDIT LOSSES FOR LOANS AND FINANCE LEASES The following table presents the activity in the ACL on loans and finance leases by portfolio segment for the indicated periods: Quarter ended March 31, 2021 Residential Mortgage Loans Construction Loans Commercial Mortgage Loans Commercial & Industrial Loans Consumer Loans Total (In thousands) Allowance for credit losses: Beginning balance $ 120,311 $ 5,380 $ 109,342 $ 37,944 $ 112,910 $ 385,887 Provision for credit losses - (benefit) expense ( 4,175) ( 456) ( 8,820) ( 5,312) 4,320 ( 14,443) Charge-offs ( 2,825) ( 45) ( 794) ( 809) ( 11,761) ( 16,234) Recoveries 733 36 54 264 2,639 3,726 Ending balance $ 114,044 $ 4,915 $ 99,782 $ 32,087 $ 108,108 $ 358,936 Quarter ended March 31, 2020 Residential Mortgage Loans Construction Loans Commercial Mortgage Loans Commercial & Industrial Loans Consumer Loans Total (In thousands) Allowance for credit losses: Beginning balance, prior to adoption of CECL $ 44,806 $ 2,370 $ 39,194 $ 15,198 $ 53,571 $ 155,139 Impact of adopting CECL 49,837 797 ( 19,306) 14,731 35,106 81,165 Provision for credit losses 16,218 2,062 14,167 8,391 33,207 74,045 Charge-offs ( 4,435) ( 3) ( 128) ( 125) ( 15,504) ( 20,195) Recoveries 656 27 44 115 1,778 2,620 Ending balance $ 107,082 $ 5,253 $ 33,971 $ 38,310 $ 108,158 $ 292,774 The Corporation estimates the ACL following the methodologies described in Note 1 – Basis of Presentation and Significant Accounting Policies, in the audited consolidated financial statements included in the 2020 Annual Report on Form 10-K, for each portfolio segment. As of March 31, 2021, the ACL for loans and finance leases was $ 358.9 million, down $ 27.0 million from December 31, 2020, driven by positive changes in the outlook of macroeconomic assumptions to which the reserve is correlated, including unemployment rates and gross domestic product (“GDP”). The ACL net reserve release for commercial and construction loans was $ 15.9 million in the first quarter of 2021, primarily reflecting an improvement in the outlook of macroeconomic variables, including improvements in unemployment rate forecasts, and the overall decline in the size of these portfolios. In addition, there was an ACL net reserve releases of $ 6.3 million for residential mortgage loans and a $ 4.8 million decrease in the ACL for consumer loans. The net reserve release for residential mortgage loans was also driven by improved macroeconomic variables, such as unemployment rate forecasts, and the overall portfolio decrease. The net reserve release for consumer loans consisted of net charge-offs of $ 9.1 million, primarily taken on personal loans and credit card loans, partially offset by charges to the provision of $ 4.3 million recorded in the first quarter to account for the increase in the size of the portfolio of auto loans and finance leases and deterioration in credit card loans delinquency trends. For those loans where the ACL was determined based on a discounted cash flow model, the change in the ACL due to the passage of time is recorded as part of the provision for credit losses. The tables below present the ACL related to loans and finance leases and the carrying value of loans by portfolio segment as of March 31, 2021 and December 31, 2020: As of March 31, 2021 Residential Mortgage Loans Commercial Mortgage Loans Commercial and Industrial Loans (1) Consumer Loans Construction Loans (Dollars in thousands) Total Total loans held for investment: Amortized cost of loans $ 3,395,081 $ 190,996 $ 2,216,887 $ 3,182,706 $ 2,656,189 $ 11,641,859 Allowance for credit losses 114,044 4,915 99,782 32,087 108,108 358,936 Allowance for credit losses to amortized cost 3.36 % 2.57 % 4.50 % 1.01 % 4.07 % 3.08 % As of December 31, 2020 Residential Mortgage Loans Commercial Mortgage Loans Commercial and Industrial Loans (1) Consumer Loans Construction Loans (Dollars in thousands) Total Total loans held for investment: Amortized cost of loans $ 3,521,954 $ 212,500 $ 2,230,602 $ 3,202,590 $ 2,609,643 $ 11,777,289 Allowance for credit losses 120,311 5,380 109,342 37,944 112,910 385,887 Allowance for credit losses to amortized cost 3.42 % 2.53 % 4.90 % 1.18 % 4.33 % 3.28 % As of March 31, 2021 and December 31, 2020, includes $ 430.5 million and $ 406.0 million of SBA PPP loans, respectively, which require no ACL as these loans are 100% guaranteed by the SBA. In addition, the Corporation estimates expected credit losses over the contractual period in which the Corporation is exposed to credit risk via a contractual obligation to extend credit, such as unfunded loan commitments and standby letters of credit for commercial and construction loans, unless the obligation is unconditionally cancellable by the Corporation. The Corporation estimates the ACL for these off-balance sheet exposures following the methodology described in Note 1 – Nature of Business and Summary of Significant Accounting Policies, in the audited consolidated financial statements, which are included in the 2020 Annual Report on Form 10-K. As of March 31, 2021, the ACL for off-balance sheet credit exposures was $ 4.4 million, down $ 0.7 million from $ 5.1 million as of December 31, 2020. The decrease was mainly in connection with a construction loan commitment due to improvements in the outlook of macroeconomic variables. The following table presents the activity in the ACL for unfunded loan commitments and standby letters of credit for the quarters ended March 31, 2021 and 2020: Quarter ended March 31, 2021 March 31, 2020 (In thousands) Beginning balance $ 5,105 $ - Impact of adopting CECL - 3,922 Provision for credit losses - (benefit) expense ( 706) 1,819 Ending balance $ 4,399 $ 5,741

LOANS HELD FOR SALE

LOANS HELD FOR SALE	3 Months Ended
	Mar. 31, 2021
Receivables Held For Sale [Abstract]
LOANS HELD FOR SALE [Text Block]	NOTE 9 – LOANS HELD FOR SALE The Corporation’s loans held-for-sale portfolio as of the dates indicated was composed of: March 31, 2021 December 31, 2020 (In thousands) Residential mortgage loans $ 42,645 $ 50,289 Commercial and Industrial loans (1) 13,425 - Total $ 56,070 $ 50,289 During the first quarter of 2021, three criticized commercial loan participations totaling $ 28.2 million were transferred to held for sale. These transfers resulted in charge-offs of $ 0.7 million in the first quarter of 2021. One of these participations amounting to $ 14.3 million was sold prior to the end of the first quarter and a second one amounting to $ 9.7 million was sold in early April 2021.

OTHER REAL ESTATE OWNED

OTHER REAL ESTATE OWNED	3 Months Ended
	Mar. 31, 2021
Real Estate Owned Disclosure Of Detailed Components [Abstract]
OTHER REAL ESTATE OWNED [Text Block]	NOTE 10 – OTHER REAL ESTATE OWNED The following table presents the OREO inventory as of the dates indicated: March 31, December 31, 2021 2020 (In thousands) OREO OREO balances, carrying value: Residential (1) $ 31,642 $ 32,418 Commercial 41,338 44,356 Construction 6,227 6,286 Total $ 79,207 $ 83,060 Excludes $ 17.7 million and $ 18.6 million as of March 31, 2021 and December 31, 2020, respectively, of foreclosures that meet the conditions of ASC Subtopic 310-40 “Reclassification of Residential Real Estate Collateralized Consumer Mortgage Loans upon Foreclosure,” and are presented as a receivable as part of other assets in the consolidated statements of financial condition.

LEASES

LEASES	3 Months Ended
	Mar. 31, 2021
Leases [Abstract]
Lessee, Operating Leases [Text Block]	NOTE 11 – LEASES The Corporation accounts for its leases in accordance with ASC 842 “Leases” (“ASC Topic 842”), which it adopted on January 1, 2019. ASC Topic 842 requires the Corporation to record liabilities for future lease obligations as well as assets representing the right to use the underlying lease asset. The Corporation’s operating leases are primarily related to the Corporation’s branches and leased commercial space for automated teller machines (“ATMs”). Our leases mainly have terms ranging from two years thirty years seven years. Liabilities to make future lease payments are recorded in accounts payable and other liabilities, while right-of-use (“ROU”) assets are recorded in other assets in the Corporation’s consolidated statements of financial condition. As of March 31, 2021 and December 31, 2020, the Corporation did not Operating lease cost for the quarter ended March 31, 2021 and 2020 amounted to $ 5.0 million and $ 2.6 million, respectively, recorded in occupancy and equipment in the consolidated statement of income. Supplemental balance sheet information related to leases as of the indicated dates was as follows: March 31, December 31, 2021 2020 (In thousands) ROU asset $ 98,808 $ 103,186 Operating lease liability $ 102,177 $ 106,502 Operating lease weighted-average remaining lease term (in years) 8.3 8.5 Operating lease weighted-average discount rate 2.26% 2.25% Generally, the Corporation cannot practically determine the interest rate implicit in the lease. Therefore, the Corporation uses its incremental borrowing rate as the discount rate for the lease. Supplemental cash flow information related to leases for the indicated periods was as follows: Quarter Ended March 31, 2021 2020 (In thousands) Operating cash flow from operating leases (1) $ 4,889 $ 2,550 ROU assets obtained in exchange for operating lease liabilities (2) - 274 Represents cash paid for amounts included in the measurement of operating lease liabilities. Represents non-cash activity and, accordingly, is not reflected in the consolidated statements of cash flows. Maturities under lease liabilities as of March 31, 2021, were as follows: Amount (In thousands) 2021 $ 14,172 2022 17,945 2023 16,018 2024 14,507 2025 13,363 2026 and later years 37,784 Total lease payments 113,789 Less: imputed interest ( 11,612) Total present value of lease liability $ 102,177

DERIVATIVE INSTRUMENTS AND HEDG

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES	3 Months Ended
	Mar. 31, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]
DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES [Text Block]	NOTE 12 – DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES One of the market risks facing the Corporation is interest rate risk, which includes the risk that changes in interest rates will result in changes in the value of the Corporation’s assets or liabilities and will adversely affect the Corporation’s net interest income from its loan and investment portfolios. The overall objective of the Corporation’s interest rate risk management activities is to reduce the variability of earnings caused by changes in interest rates. The Corporation designates a derivative as a fair value hedge, cash flow hedge or economic undesignated hedge when it enters into the derivative contract. As of March 31, 2021 and December 31, 2020, all derivatives held by the Corporation were considered economic undesignated hedges. The Corporation records these undesignated hedges at fair value with the resulting gain or loss recognized in current earnings. The following summarizes the principal derivative activities used by the Corporation in managing interest rate risk: Interest rate cap agreements - Interest rate cap agreements provide the right to receive cash if a reference interest rate rises above a contractual rate. The value of the interest rate cap increases as the reference interest rate rises. The Corporation enters into interest rate cap agreements for protection from rising interest rates. Forward Contracts - Forward contracts are primarily sales of to-be-announced (“TBA”) MBS that will settle over the standard delivery date and do not qualify as “regular way” security trades. Regular-way security trades are contracts that have no net settlement provision and no market mechanism to facilitate net settlement and that provide for delivery of a security within the time frame generally established by regulations or conventions in the market place or exchange in which the transaction is being executed. The forward sales are considered derivative instruments that need to be marked to market. The Corporation uses these securities to economically hedge the FHA/VA residential mortgage loan securitizations of the mortgage-banking operations. The Corporation also reports as forward contracts the mandatory mortgage loan sales commitments that it enters into with GSEs that require or permit net settlement via a pair-off transaction or the payment of a pair-off fee. Unrealized gains (losses) are recognized as part of mortgage banking activities in the consolidated statements of income. Interest Rate Lock Commitments - Interest rate lock commitments are agreements under which the Corporation agrees to extend credit to a borrower under certain specified terms and conditions in which the interest rate and the maximum amount of the loan are set prior to funding. Under the agreement, the Corporation commits to lend funds to a potential borrower, generally on a fixed rate basis, regardless of whether interest rates change in the market. Interest rate swaps – The Corporation acquired interest rate swaps as a result of the acquisition of BSPR. An interest rate swap is an agreement between two entities to exchange cash flows in the future. The agreements acquired from BSPR consist of the Corporation offering borrower-facing derivative products using a “back-to-back” structure in which the borrower-facing derivative transaction is paired with an identical, offsetting transaction with an approved dealer-counterparty. By using a back-to-back trading structure, both the commercial borrower and the Corporation are largely insulated from market risk and volatility. The agreements set the dates on which the cash flows will be paid and the manner in which the cash flows will be calculated. The fair values of these swaps are recorded as components of other assets or accounts payable and other liabilities in the Corporation’s consolidated statements of financial condition. Changes in the fair values of interest rate swaps, which occur due to changes in interest rates, are recorded in the consolidated statements of income as a component of interest income on loans. To satisfy the needs of its customers, the Corporation may enter into non-hedging transactions. In these transactions, the Corporation generally participates as a buyer in one of the agreements and as a seller in the other agreement under the same terms and conditions. In addition, the Corporation enters into certain contracts with embedded derivatives that do not require separate accounting as these are clearly and closely related to the economic characteristics of the host contract. When the embedded derivative possesses economic characteristics that are not clearly and closely related to the economic characteristics of the host contract, it is bifurcated, carried at fair value, and designated as a trading or non-hedging derivative instrument. The following table summarizes the notional amounts of all derivative instruments as of the indicated dates: Notional Amounts (1) As of As of March 31, December 31, (In thousands) 2021 2020 Undesignated economic hedges: Interest rate contracts: Interest rate swap agreements $ 15,047 $ 15,864 Written interest rate cap agreements 14,500 14,500 Purchased interest rate cap agreements 14,500 14,500 Interest rate lock commitments 25,278 19,931 Forward Contracts: Sale of TBA GNMA MBS pools 42,000 42,000 Forward loan sales commitments 20,188 19,998 $ 131,513 $ 126,793 Notional amounts are presented on a gross basis with no netting of offsetting exposure positions. The following table summarizes for derivative instruments their fair values and location in the consolidated statements of financial condition as of the indicated dates: Asset Derivatives Liability Derivatives Statement of March 31, December 31, March 31, December 31, Financial 2021 2020 2021 2020 Condition Location Fair Value Fair Value Statement of Financial Condition Location Fair Value Fair Value (In thousands) Undesignated economic hedges: Interest rate contracts: Interest rate swap agreements Other assets $ 1,314 $ 1,622 Accounts payable and other liabilities $ 1,306 $ 1,639 Written interest rate cap agreements Other assets - - Accounts payable and other liabilities 6 1 Purchased interest rate cap agreements Other assets 6 1 Accounts payable and other liabilities - - Interest rate lock commitments Other assets 725 737 Accounts payable and other liabilities - - Forward Contracts: Sales of TBA GNMA MBS pools Other assets 204 102 Accounts payable and other liabilities 44 280 Forward loan sales commitments Other assets 20 20 Accounts payable and other liabilities - - $ 2,269 $ 2,482 $ 1,356 $ 1,920 The following table summarizes the effect of derivative instruments on the consolidated statements of income for the indicated periods: Gain (or Loss) Location of Unrealized Gain (Loss) Quarter Ended on Derivative Recognized in March 31, Statements of Income 2021 2020 (In thousands) Undesignated economic hedges: Interest rate contracts: Interest rate swap agreements Interest income - Loans $ 25 $ - Interest rate lock commitments Mortgage Banking Activities ( 244) ( 91) Forward contracts: Sales of TBA GNMA MBS pools Mortgage Banking Activities 352 ( 665) Total gain (loss) on derivatives $ 133 $ ( 756) Derivative instruments are subject to market risk. As is the case with investment securities, the market value of derivative instruments is largely a function of the financial market’s expectations regarding the future direction of interest rates. Accordingly, current market values are not necessarily indicative of the future impact of derivative instruments on earnings. This will depend, for the most part, on the shape of the yield curve, and the level of interest rates, as well as the expectations for rates in the future. As of March 31, 2021, the Corporation had not entered into any derivative instrument containing credit-risk-related contingent features.

OFFSETTING OF ASSETS AND LIABIL

OFFSETTING OF ASSETS AND LIABILITIES	3 Months Ended
	Mar. 31, 2021
Offsetting [Abstract]
OFFSETTING OF ASSETS AND LIABILITIES [Text Block]	NOTE 13 – OFFSETTING OF ASSETS AND LIABILITIES The Corporation enters into master agreements with counterparties, primarily related to derivatives and repurchase agreements, that may allow for netting of exposures in the event of default. In an event of default, each party has a right of set-off against the other party for amounts owed under the related agreement and any other amount or obligation owed with respect to any other agreement or transaction between them. The following tables present information about contracts subject to offsetting provisions related to financial assets and liabilities as well as derivative assets and liabilities, as of the indicated dates: Offsetting of Financial Assets and Derivative Assets As of March 31, 2021 Gross Amounts Not Offset in the Statement of Financial Condition Net Amounts of Assets Presented in the Statement of Financial Condition Gross Amounts of Recognized Assets Gross Amounts Offset in the Statement of Financial Condition Financial Instruments Cash Collateral Net Amount (In thousands) Description Derivatives $ 210 $ - $ 210 $ - $ ( 210) $ - As of December 31, 2020 Gross Amounts Not Offset in the Statement of Financial Condition Net Amounts of Assets Presented in the Statement of Financial Condition Gross Amounts of Recognized Assets Gross Amounts Offset in the Statement of Financial Condition Financial Instruments Cash Collateral Net Amount (In thousands) Description Derivatives $ 89 $ - $ 89 $ - $ ( 89) $ - Offsetting of Financial Liabilities and Derivative Liabilities As of March 31, 2021 Gross Amounts Not Offset in the Statement of Financial Condition Net Amounts of Liabilities Presented in the Statement of Financial Condition Gross Amounts of Recognized Liabilities Gross Amounts Offset in the Statement of Financial Condition Financial Instruments Cash Collateral (In thousands) Net Amount Description Derivatives $ 1,350 $ - $ 1,350 $ ( 1,350) $ - $ - Securities sold under agreements to repurchase 300,000 - 300,000 ( 300,000) - - Total $ 301,350 $ - $ 301,350 $ ( 301,350) $ - $ - As of December 31, 2020 Gross Amounts Not Offset in the Statement of Financial Condition Net Amounts of Liabilities Presented in the Statement of Financial Condition Gross Amounts of Recognized Liabilities Gross Amounts Offset in the Statement of Financial Condition Financial Instruments Cash Collateral Net Amount (In thousands) Description Derivatives $ 1,919 $ - $ 1,919 $ ( 1,919) $ - $ - Securities sold under agreements to repurchase 300,000 - 300,000 ( 300,000) - - Total $ 301,919 $ - $ 301,919 $ ( 301,919) $ - $ -

GOODWILL AND OTHER INTANGIBLES

GOODWILL AND OTHER INTANGIBLES	3 Months Ended
	Mar. 31, 2021
Goodwill And Intangible Assets Disclosure [Abstract]
GOODWILL AND OTHER INTANGIBLES [Text Block]	NOTE 14 – GOODWILL AND OTHER INTANGIBLES Goodwill as of each March 31, 2021 and December 31, 2020 amounted to $ 38.6 million, recognized as part of Other assets in the consolidated statements of financial condition. As of March 31, 2021, the Corporation’s goodwill includes $ 28.1 million related to the United States (Florida) reporting unit and $ 10.5 million recorded in connection with the acquisition of BSPR on September 1, 2020. The Corporation’s policy is to assess goodwill and other intangibles for impairment on an annual basis during the fourth quarter of each year, and more frequently if events or circumstances lead management to believe that the values of goodwill or other intangibles may be impaired. During the fourth quarter of 2020, as part of its annual evaluation, the Corporation bypassed the qualitative assessment and proceeded directly to perform quantitative analyses to test for impairment the goodwill of the Florida reporting unit. Based on analyses under both the market and discounted cash flow approaches, the estimated fair value of the Florida reporting unit well exceeded the carrying amount of the entity, including goodwill as of the evaluation date (October 1). During the first quarter of 2021, the Corporation evaluated whether there have been any triggering event to accelerate the impairment analysis. The Corporation determined that there have been no significant events since the last annual assessment for the Florida reporting unit and the date on which the Corporation completed the acquisition of BSPR that could indicate potential goodwill impairment on reporting units for which the goodwill is allocated. As a result, no impartment charges for goodwill were recorded during the first quarter of 2021. The changes in the carrying amount of goodwill attributable to operating segments are reflected in the following table. The adjustments for 2020 and 2021 are measurement period adjustments, primarily related to post closing purchase price adjustments to account for differences between BSPR’s actual excess capital at closing date compared to the BSPR’s excess capital amount used for the preliminary closing statement at acquisition date. Mortgage Banking Consumer (Retail) Banking Commercial and Corporate Banking United States Operations Total (In thousands) Goodwill, January 1, 2020 $ - $ - $ - $ 28,098 $ 28,098 Merger and acquisitions 574 794 4,935 - 6,303 Adjustments 385 533 3,313 - 4,231 Goodwill, December 31, 2020 $ 959 $ 1,327 $ 8,248 $ 28,098 $ 38,632 Adjustments 53 74 ( 148) - ( 21) Goodwill, March 31, 2021 $ 1,012 $ 1,401 $ 8,100 $ 28,098 $ 38,611 The Corporation had other intangible assets of $ 38.4 million as of March 31, 2021, consisting of $ 34.3 million in core deposit intangibles, $ 3.8 million in purchased credit card relationship intangibles, and $ 0.3 million in insurance customer relationship intangibles. As of As of March 31, December 31, 2021 2020 (Dollars in thousands) Core deposit intangible: Gross amount $ 87,544 $ 87,096 Accumulated amortization (1) ( 53,205) ( 51,254) Net carrying amount $ 34,339 $ 35,842 Remaining amortization period (in years) 8.7 9.0 Purchased credit card relationship intangible: Gross amount $ 28,265 $ 28,265 Accumulated amortization (2) ( 24,497) ( 23,532) Net carrying amount $ 3,768 $ 4,733 Remaining amortization period (in years) 2.4 2.7 Insurance customer relationship intangible: Gross amount $ 1,067 $ 1,067 Accumulated amortization (3) ( 787) ( 749) Net carrying amount $ 280 $ 318 Remaining amortization period (in years) 1.8 2.1 For the quarters ended March 31, 2021 and 2020, the amortization expense of core deposit intangibles amounted to $ 2.0 million and $ 0.2 million, respectively. For the quarters ended March 31, 2021 and 2020, the amortization expense of the purchased credit card relationship intangible amounted to $ 1.0 million and $ 0.5 million, respectively For each of the quarters ended March 31, 2021 and 2020, the amortization expense of the insurance customer relationship intangible amounted to $ 38 thousand. The Corporation amortizes core deposit intangibles and customer relationship intangibles based on the projected useful lives of the related deposits in the case of core deposit intangibles, and over the projected useful lives of the related client relationships in the case of customer relationship intangibles. As mentioned above, the Corporation analyzes core deposit intangibles and customer relationship intangibles annually for impairment, or sooner if events and circumstances indicate possible impairment. Factors that may suggest impairment include customer attrition and run-off. Management is unaware of any events and/or circumstances that would indicate a possible impairment to the core deposit intangibles or customer relationship intangibles as of March 31, 2021. The estimated aggregate annual amortization expense related to the intangible assets for future periods is as follows as of March 31, 2021: Amount (In thousands) 2021 $ 8,452 2022 8,816 2023 7,736 2024 6,416 2025 3,509 2026 and after 3,458

NON-CONSOLIDATED VARIABLE INTER

NON-CONSOLIDATED VARIABLE INTEREST ENTITIES AND SERVICING ASSETS	3 Months Ended
	Mar. 31, 2021
Transfers and Servicing [Abstract]
NON-CONSOLIDATED VARIABLE INTEREST ENTITIES AND SERVICING ASSETS [Text Block]	NOTE 15 – NON-CONSOLIDATED VARIABLE INTEREST ENTITIES (“VIE”) AND SERVICING ASSETS The Corporation transfers residential mortgage loans in sale or securitization transactions in which it has continuing involvement, including servicing responsibilities and guarantee arrangements. All such transfers have been accounted for as sales as required by applicable accounting guidance. When evaluating the need to consolidate counterparties to which the Corporation has transferred assets, or with which the Corporation has entered into other transactions, the Corporation first determines if the counterparty is an entity for which a variable interest exists. If no scope exception is applicable and a variable interest exists, the Corporation then evaluates whether it is the primary beneficiary of the VIE and whether the entity should be consolidated or not. Below is a summary of transactions with VIEs for which the Corporation has retained some level of continuing involvement: Trust-Preferred Securities In 2004, FBP Statutory Trust I, a financing trust that is wholly owned by the Corporation, sold to institutional investors $ 100 million of its variable-rate trust-preferred securities (“TRuPs”). FBP Statutory Trust I used the proceeds of the issuance, together with the proceeds of the purchase by the Corporation of $ 3.1 million of FBP Statutory Trust I variable-rate common securities, to purchase $ 103.1 million aggregate principal amount of the Corporation’s Junior Subordinated Deferrable Debentures. Also in 2004, FBP Statutory Trust II, a financing trust that is wholly owned by the Corporation, sold to institutional investors $ 125 million of its variable-rate TRuPs. FBP Statutory Trust II used the proceeds of the issuance, together with the proceeds of the purchase by the Corporation of $ 3.9 million of FBP Statutory Trust II variable-rate common securities, to purchase $ 128.9 million aggregate principal amount of the Corporation’s Junior Subordinated Deferrable Debentures. The debentures, net of related issuance costs, are presented in the Corporation’s consolidated statements of financial condition as other borrowings. The variable-rate TRuPs are fully and unconditionally guaranteed by the Corporation. The Junior Subordinated Deferrable Debentures issued by the Corporation in April 2004 and September 2004 mature on June 17, 2034 and September 20, 2034, respectively; however, under certain circumstances, the maturity of Junior Subordinated Deferrable Debentures may be shortened (such shortening would result in a mandatory redemption of the variable-rate TRuPs). The Collins Amendment to the Dodd-Frank Wall Street Reform and Consumer Protection Act eliminated certain TRuPs from Tier 1 Capital; however, these instruments may remain in Tier 2 capital until the instruments are redeemed or mature. Under the indentures, the Corporation has the right, from time to time, and without causing an event of default, to defer payments of interest on the Junior Subordinated Deferrable Debentures by extending the interest payment period at any time and from time to time during the term of the subordinated debentures for up to twenty consecutive quarterly periods. As of March 31, 2021, the Corporation was current on all interest payments due on its subordinated debt. Private Label MBS During 2004 and 2005, an unaffiliated party, referred to in this subsection as the seller, established a series of statutory trusts to effect the securitization of mortgage loans and the sale of trust certificates (“private label MBS”). The seller initially provided the servicing for a fee, which is senior to the obligations to pay private label MBS holders. The seller then entered into a sales agreement through which it sold and issued the private label MBS in favor of the Corporation’s banking subsidiary. Currently, the Bank is the sole owner of the private label MBS; the servicing of the underlying residential mortgages that generate the principal and interest cash flows is performed by another third party, which receives a servicing fee. These private label MBS are variable-rate securities indexed to 90-day LIBOR plus a spread. The principal payments from the underlying loans are remitted to a paying agent (servicer), who then remits interest to the Bank. Interest income is shared to a certain extent with the FDIC, which has an interest only strip (“IO”) tied to the cash flows of the underlying loans and is entitled to receive the excess of the interest income less a servicing fee over the variable rate income that the Bank earns on the securities. This IO is limited to the weighted-average coupon on the securities. The FDIC became the owner of the IO upon its intervention of the seller, a failed financial institution. No recourse agreement exists, and the Bank, as the sole holder of the securities, absorbs all risks from losses on non-accruing loans and repossessed collateral. As of March 31, 2021, the amortized cost and fair value of these private label MBS amounted to $ 11.7 million and $ 8.3 million, respectively, with a weighted-average yield of 2.20%, which is included as part of the Corporation’s available-for-sale investment securities portfolio. As described in Note 5 – Investment Securities, above, the ACL on these private label MBS amounted to $ 0.9 million as of March 31, 2021. Investment in unconsolidated entity On February 16, 2011, FirstBank sold an asset portfolio consisting of performing and nonaccrual construction, commercial mortgage and commercial and industrial loans with an aggregate book value of $ 269.3 million to CPG/GS, an entity organized under the laws of the Commonwealth of Puerto Rico and majority owned by PRLP Ventures LLC (“PRLP”), a company created by Goldman, Sachs & Co. and Caribbean Property Group. In connection with the sale, the Corporation received $ 88.5 million in cash and a 35% interest in CPG/GS, and made a loan in the amount of $ 136.1 million representing seller financing provided by FirstBank. The loan was refinanced and consolidated with other outstanding loans of CPG/GS in the second quarter of 2018 and was paid in full in October 2019. FirstBank’s equity interest in CPG/GS is accounted for under the equity method. FirstBank recorded a loss on its interest in CPG/GS in 2014 that reduced to zero the carrying amount of the Bank’s investment in CPG/GS. No negative investment needs to be reported as the Bank has no legal obligation or commitment to provide further financial support to this entity; thus, no further losses have been or will be recorded on this investment. CPG/GS used cash proceeds of the aforementioned seller-financed loan to cover operating expenses and debt service payments, including those related to the loan that was paid off in October 2019. FirstBank will not receive any return on its equity interest until PRLP receives an aggregate amount equivalent to its initial investment and a priority return of at least 12%, which has not occurred, resulting in FirstBank’s interest in CPG/GS being subordinate to PRLP’s interest. CPG/GS will then begin to make payments pro rata to PRLP and FirstBank, 35% and 65%, respectively, until FirstBank has achieved a 12% return on its invested capital and the aggregate amount of distributions is equal to FirstBank’s capital contributions to CPG/GS. The Bank has determined that CPG/GS is a VIE in which the Bank is not the primary beneficiary. In determining the primary beneficiary of CPG/GS, the Bank considered applicable guidance that requires the Bank to qualitatively assess the determination of whether it is the primary beneficiary (or consolidator) of CPG/GS based on whether it has both the power to direct the activities of CPG/GS that most significantly affect the entity’s economic performance and the obligation to absorb losses of, or the right to receive benefits from, CPG/GS that could potentially be significant to the VIE. The Bank determined that it does not have the power to direct the activities that most significantly impact the economic performance of CPG/GS as it does not have the right to manage or influence the loan portfolio, foreclosure proceedings, or the construction and sale of the property; therefore, the Bank concluded that it is not the primary beneficiary of CPG/GS. Servicing Assets (MSRs) The Corporation typically transfers first lien residential mortgage loans in conjunction with GNMA securitization transactions in which the loans are exchanged for cash or securities that are readily redeemed for cash proceeds and servicing rights. The securities issued through these transactions are guaranteed by GNMA and, under seller/servicer agreements, the Corporation is required to service the loans in accordance with the issuers’ servicing guidelines and standards. As of March 31, 2021, the Corporation serviced loans securitized through GNMA with a principal balance of $ 2.1 billion. Also, certain conventional conforming loans are sold to FNMA or FHLMC with servicing retained. The Corporation recognizes as separate assets the rights to service loans for others, whether those servicing assets are originated or purchased. MSRs are included as part of other assets in the consolidated statements of financial condition. The changes in MSRs are shown below for the indicated periods: Quarter ended March 31, March 31, 2021 2020 (In thousands) Balance at beginning of period $ 33,071 $ 26,762 Capitalization of servicing assets 1,350 904 Amortization ( 1,637) ( 1,009) Temporary impairment recoveries (charges), net 7 ( 138) Other (1) ( 81) ( 35) Balance at end of period $ 32,710 $ 26,484 (1) Amount represents adjustments related to the repurchase of loans serviced for others. Impairment charges are recognized through a valuation allowance for each individual stratum of servicing assets. The valuation allowance is adjusted to reflect the amount, if any, by which the cost basis of the servicing asset for a given stratum of loans being serviced exceeds its fair value. Any fair value in excess of the cost basis of the servicing asset for a given stratum is not recognized. Changes in the impairment allowance were as follows for the indicated periods: Quarter ended March 31, March 31, 2021 2020 (In thousands) Balance at beginning of period $ 202 $ 73 Temporary impairment charges - 138 OTTI of servicing assets - ( 77) Recoveries ( 7) - Balance at end of period $ 195 $ 134 The components of net servicing income, included as part of mortgage banking activities in the consolidated statements of income, are shown below for the indicated periods: Quarter ended March 31, March 31, 2021 2020 (In thousands) Servicing fees $ 2,915 $ 2,134 Late charges and prepayment penalties 239 150 Adjustment for loans repurchased ( 81) ( 35) Servicing income, gross 3,073 2,249 Amortization and impairment of servicing assets ( 1,630) ( 1,147) Servicing income, net $ 1,443 $ 1,102 The Corporation’s MSRs are subject to prepayment and interest rate risks. As of March 31, 2021, fair values of the Corporation’s servicing assets were based on a valuation model that incorporates market-driven assumptions regarding discount rates and mortgage prepayment rates, adjusted by the particular characteristics of the Corporation’s servicing portfolio. The Corporation used constant prepayment rate assumptions for the Corporation’s servicing assets for the government-guaranteed mortgage loans of 6.3% and 6.2% for the quarters ended March 31, 2021 and 2020, respectively. For conventional conforming mortgage loans, the Corporation used 6.8% and 6.9% for the quarters ended March 31, 2021 and 2020, respectively, and, for the conventional non-conforming mortgage loans, the Corporation used 8.6% and 8.7% for the quarters ended March 31, 2021 and 2020, respectively. Discount rate assumptions used were % for government-guaranteed mortgage loans and % for conventional conforming mortgage loans for each of the quarters ended March 31, 2021 and 2020. For conventional non-conforming mortgage loans the discount assumption used was 13.7% and 14.3% for the quarters ended March 31, 2021 and 2020, respectively. The weighted-averages of the key economic assumptions that the Corporation used in its valuation model and the sensitivity of the current fair value to immediate 10% and 20% adverse changes in those assumptions for mortgage loans as of March 31, 2021 and December 31, 2020 were as follows: March 31, December 31, 2021 2020 (In thousands) Carrying amount of servicing assets $ 32,710 $ 33,071 Fair value $ 40,695 $ 40,294 Weighted-average expected life (in years) 8.00 7.86 Constant prepayment rate (weighted-average annual rate) 6.56% 6.73% Decrease in fair value due to 10% adverse change $ 988 $ 1,006 Decrease in fair value due to 20% adverse change $ 1,935 $ 1,970 Discount rate (weighted-average annual rate) 11.19% 11.20% Decrease in fair value due to 10% adverse change $ 1,804 $ 1,772 Decrease in fair value due to 20% adverse change $ 3,469 $ 3,409 These sensitivities are hypothetical and should be used with caution. As the figures indicate, changes in fair value based on a 10% variation in assumptions generally cannot be extrapolated because the relationship between the change in assumption and the change in fair value may not be linear. Also, in this table, the effect of a variation in a particular assumption on the fair value of the MSR is calculated without changing any other assumption; in reality, changes in one factor may result in changes in another (for example, increases in market interest rates may result in lower prepayments), which may magnify or counteract the sensitivities.

LOANS PAYABLE

LOANS PAYABLE	3 Months Ended
	Mar. 31, 2021
DebtDisclosureAbstract
Short-term Debt [Text Block]	NOTE 17 – LOANS PAYABLE The Corporation participates in the Borrower-in-Custody Program (the “BIC Program”) of the FED. Through the BIC Program, a broad range of loans (including commercial, consumer and residential mortgages) may be pledged as collateral for borrowings through the FED Discount Window. As of March 31, 2021, pledged collateral that is related to this credit facility amounted to $ 1.7 billion, mainly commercial, consumer and residential mortgage loans, which after a margin haircut represents approximately $ 1.0 billion of credit availability under this program. With the impacts of COVID-19 on individuals, communities and organizations continuing to evolve, the Federal Reserve has taken several actions to support the economy and financial stability of market participants including, among other things, lowering the target range for the federal funds rate and relaunching large scale asset purchases. The FED Discount Window program provided the opportunity to access a low-rate short-term source of funding in the current highly volatile market environment. There were no outstanding borrowings under the Primary Credit FED Discount Window Program as of March 31, 2021.

DEPOSITS

DEPOSITS	3 Months Ended
	Mar. 31, 2021
Deposits [Abstract]
DEPOSITS [Text Block]	NOTE 16 – DEPOSITS The following table summarizes deposit balances as of the dates indicated: March 31, December 31, 2021 2020 (In thousands) Type of account: Non-interest-bearing deposit accounts $ 5,026,468 $ 4,546,123 Interest-bearing savings accounts 4,217,030 4,088,969 Interest-bearing checking accounts 3,912,647 3,651,806 Certificates of deposit ("CDs") 2,692,176 2,814,313 Brokered CDs 162,115 216,172 Total $ 16,010,436 $ 15,317,383 Brokered CDs mature as follows: March 31, 2021 (In thousands) Three months or less $ 24,511 Over three months to six months 29,121 Over six months to one year 22,831 Over one year to three years 64,967 Over three years to five years 20,685 Total $ 162,115 The following were the components of interest expense on deposits for the indicated periods: Quarter Ended March 31, March 31, 2021 2020 (In thousands) Interest expense on deposits $ 12,725 $ 19,497 Accretion of premium from acquisitions ( 456) ( 1) Amortization of broker placement fees 73 158 Interest expense on deposits $ 12,342 $ 19,654

SECURITIES SOLD UNDER AGREEMENT

SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE	3 Months Ended
	Mar. 31, 2021
Disclosure of Repurchase Agreements [Abstract]
SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE [Text Block]	NOTE 18 – SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE Securities sold under agreements to repurchase (repurchase agreements) as of the dates indicated consisted of the following: March, 31 December 31, 2021 2020 (In thousands) Long-term repurchase agreement (1) $ 300,000 $ 300,000 Weighted-average interest rate of 3.35% and 1.77% as of March 31, 2021 and December 31, 2020, respectively. During the first quarter of 2021, the interest rate related to securities sold under agreements to repurchase totaling $ 200 million changed from a variable rate (3-month LIBOR plus 130 to 132 basis points) to a fixed-rate of 3.90% after the end of a prespecified lockout period. As of March 31, 2021, all of the outstanding securities sold under agreements to repurchase are tied to fixed interest rates. Repurchase agreements mature as follows as of the indicated date: March 31, 2021 (In thousands) Six months to one year $ 100,000 Over three years to five years 200,000 Total $ 300,000 As of March 31, 2021 and December 31, 2020, the securities underlying such agreements were delivered to the dealers with which the repurchase agreements were transacted. Repurchase agreements as of March 31, 2021, grouped by counterparty, were as follows: (Dollars in thousands) Weighted-Average Counterparty Amount Maturity (In Months) JP Morgan Chase $ 100,000 10 Credit Suisse First Boston 200,000 46 $ 300,000

ADVANCES FROM THE FEDERAL HOME

ADVANCES FROM THE FEDERAL HOME LOAN BANK (FHLB)	3 Months Ended
	Mar. 31, 2021
Advances from Federal Home Loan Banks [Abstract]
ADVANCES FROM THE FEDERAL HOME LOAN BANK (FHLB) [Text Block]	NOTE 19 – ADVANCES FROM THE FEDERAL HOME LOAN BANK The following is a summary of the advances from the FHLB as of the indicated dates: March 31, December 31, 2021 2020 (In thousands) Long-term Fixed -rate advances from FHLB (1) $ 440,000 $ 440,000 Weighted-average interest rate of %. Advances from FHLB mature as follows as of the indicated date: March 31, 2021 (In thousands) Within one month $ 70,000 Over one to three months 50,000 Over six months to one year 120,000 Over one year to three years 200,000 Total $ 440,000

OTHER BORROWINGS

OTHER BORROWINGS	3 Months Ended
	Mar. 31, 2021
Subordinated Borrowings [Abstract]
OTHER BORROWINGS [Text Block]	NOTE 20 – OTHER BORROWINGS Other borrowings, as of the indicated dates, consisted of: March 31, December 31, 2021 2020 (In thousands) Floating rate junior subordinated debentures (FBP Statutory Trust I) (1) $ 65,205 $ 65,205 Floating rate junior subordinated debentures (FBP Statutory Trust II) (2) 118,557 118,557 $ 183,762 $ 183,762 Amount represents junior subordinated interest-bearing debentures due in 2034 with a floating interest rate of 2.75% over 3-month LIBOR ( 2.93% as of March 31, 2021 and 2.98% as of December 31, 2020). Amount represents junior subordinated interest-bearing debentures due in 2034 with a floating interest rate of 2.50% over 3-month LIBOR ( 2.69% as of March 31, 2021 and 2.74% as of December 31, 2020).

STOCKHOLDERS' EQUITY

STOCKHOLDERS' EQUITY	3 Months Ended
	Mar. 31, 2021
Stockholders' Equity Note [Abstract]
STOCKHOLDERS' EQUITY [Text Block]	NOTE 21 – STOCKHOLDERS’ EQUITY Common Stock As of March 31, 2021 and December 31, 2020, the Corporation had 2,000,000,000 authorized shares of common stock with a par value of $ 0.10 per share. As of March 31, 2021 and December 31, 2020, there were 223,630,957 and 223,034,348 shares issued, respectively, and 218,628,862 and 218,235,064 shares outstanding, respectively. Refer to Note 4 – Stock-Based Compensation, above for information about transactions related to common stock under the Omnibus Plan. For the quarters ended March 31, 2021 and 2020, total cash dividends declared on shares of common stock amounted to $ 15.3 million and $ 10.9 million, respectively. In the first quarter of 2021, the Corporation’s Board of Directors declared cash dividend of $ 0.07 per common share, which represented $ 0.02 per common share, or a 40%, increase from the immediate preceding quarter’s dividend level. The Corporation intends to continue to pay quarterly dividends on common stock. However, the Corporation’s common stock dividends, including the declaration, timing and amount, remain subject to consideration and approval by the Corporation’s Board Directors at the relevant times. On April 26, 2021, the Corporation announced that its Board of Directors approved a stock repurchase program, under which the Corporation may repurchase up to $ 300 million of its outstanding stock, commencing in the second quarter of 2021 through June 30, 2022. Repurchases under the program may be executed through open market purchases, accelerated share repurchases and/or privately negotiated transactions or plans, including under plans complying with Rule 10b5-1 under the Exchange Act. The Corporation’s stock repurchase program is subject to various factors, including the Corporation’s capital position, liquidity, financial performance and alternative uses of capital, stock trading price, and general market conditions. The repurchase program may be modified, extended, suspended, or terminated at any time at the Corporation’s discretion and may include the redemption of the $ 36.1 million in outstanding shares of the Corporation’s Series A through E Noncumulative Perpetual Monthly Income Preferred Stock. Preferred Stock The Corporation has 50,000,000 authorized shares of preferred stock with a par value of $ 1.00, redeemable at the Corporation’s option, subject to certain terms. This stock may be issued in series and the shares of each series have such rights and preferences as are fixed by the Board of Directors when authorizing the issuance of that particular series. As of March 31, 2021, the Corporation had five outstanding series of non-convertible, non-cumulative perpetual monthly income preferred stock: 7.125% non-cumulative perpetual monthly income preferred stock, Series A; 8.35% non-cumulative perpetual monthly income preferred stock, Series B; 7.40% non-cumulative perpetual monthly income preferred stock, Series C; 7.25% non-cumulative perpetual monthly income preferred stock, Series D; and 7.00% non-cumulative perpetual monthly income preferred stock, Series E. The liquidation value per share is $ 25. Effective January 17, 2012, the Corporation delisted all of its outstanding series of non-convertible, non-cumulative perpetual monthly income preferred stock from the New York Stock Exchange. The Corporation has not arranged for listing and/or registration on another national securities exchange or for quotation of the Series A through E preferred stock in a quotation medium. The Corporation has continued to pay monthly dividend payments on the non-cumulative perpetual monthly income preferred stock. For each of the quarters ended March 31, 2021 and 2020, total cash dividends declared on shares of preferred stock amounted to $ 0.7 million. The Corporation intends to continue to make monthly dividend payments on the non-cumulative perpetual monthly income preferred stock. However, the Corporation’s monthly dividend payments on the non-cumulative perpetual monthly income preferred stock, including the declaration, timing and amount, remain subject to consideration and approval by the Corporation’s Board Directors at the relevant times. Treasury stock During the first quarter of 2021 and 2020, the Corporation withheld an aggregate of 194,471 shares and 50,285 shares, respectively, of the restricted stock and performance units that vested during those quarters to cover the officers’ payroll and income tax withholding liabilities; these shares are held as treasury stock. As of March 31, 2021 and December 31, 2020, the Corporation had 5,002,095 and 4,799,284 shares held as treasury stock, respectively. FirstBank Statutory Reserve (Legal Surplus) The Banking Law of the Commonwealth of Puerto Rico requires that a minimum of 10% of FirstBank’s net income for the year be transferred to a legal surplus reserve until such surplus equals the total of paid-in-capital on common and preferred stock. Amounts transferred to the legal surplus reserve from retained earnings are not available for distribution to the Corporation, including for payment as dividends to the stockholders, without the prior consent of the Puerto Rico Commissioner of Financial Institutions. The Puerto Rico Banking Law provides that, when the expenditures of a Puerto Rico commercial bank are greater than receipts, the excess of the expenditures over receipts must be charged against the undistributed profits of the bank, and the balance, if any, must be charged against the legal surplus reserve, as a reduction thereof. If the legal surplus reserve is not sufficient to cover such balance in whole or in part, the outstanding amount must be charged against the capital account and the Bank cannot pay dividends until it can replenish the legal surplus reserve to an amount of at least 20% of the original capital contributed. FirstBank’s legal surplus reserve, included as part of retained earnings in the Corporation’s consolidated statements of financial condition, amounted to $ 109.3 million as of each of March 31, 2021 and December 31, 2020. There were no transfers to the legal surplus reserve during the quarter ended March 31, 2021.

INCOME TAXES

INCOME TAXES	3 Months Ended
	Mar. 31, 2021
Income Tax Disclosure [Abstract]
INCOME TAXES [Text Block]	NOTE 22 - INCOME TAXES Income tax expense includes Puerto Rico and USVI income taxes, as well as applicable U.S. federal and state taxes. The Corporation is subject to Puerto Rico income tax on its income from all sources. As a Puerto Rico corporation, FirstBank is treated as a foreign corporation for U.S. and USVI income tax purposes and, accordingly, is generally subject to U.S. and USVI income tax only on its income from sources within the U.S. and USVI or income effectively connected with the conduct of a trade or business in those jurisdictions. Any such tax paid in the U.S. and USVI is also creditable against the Corporation’s Puerto Rico tax liability, subject to certain conditions and limitations. Under the Puerto Rico Internal Revenue Code of 2011, as amended (the “2011 PR Code”), the Corporation and its subsidiaries are treated as separate taxable entities and are not entitled to file consolidated tax returns and, thus, the Corporation is generally not entitled to utilize losses from one subsidiary to offset gains in another subsidiary. Accordingly, in order to obtain a tax benefit from a net operating loss (“NOL”), a particular subsidiary must be able to demonstrate sufficient taxable income within the applicable NOL carry-forward period. Pursuant to the 2011 PR Code, the carry-forward period for NOLs incurred during taxable years that commenced after December 31, 2004 and ended before January 1, 2013 is 12 years; for NOLs incurred during taxable years commencing after December 31, 2012, the carryover period is 10 years. The 2011 PR Code provides a dividend received deduction of 100% on dividends received from “controlled” subsidiaries subject to taxation in Puerto Rico and 85% on dividends received from other taxable domestic corporations. The Corporation has maintained an effective tax rate lower than the maximum statutory rate of 37.5% mainly by investing in government obligations and MBS exempt from U.S. and Puerto Rico income taxes and by doing business through an international banking entity (“an IBE”) unit of the Bank, and through the Bank’s subsidiary, FirstBank Overseas Corporation, whose interest income and gains on sales is exempt from Puerto Rico income taxation. The IBE unit and FirstBank Overseas Corporation were created under the International Banking Entity Act of Puerto Rico, which provides for total Puerto Rico tax exemption on net income derived by IBEs operating in Puerto Rico on the specific activities identified in the IBE Act. An IBE that operates as a unit of a bank pays income taxes at the corporate standard rates to the extent that the IBE’s net income exceeds 20% of the bank’s total net taxable income. For the first quarter of 2021, the Corporation recorded an income tax expense of $ 28.0 million, compared to an income tax benefit of $ 3.0 For the quarter ended March 31, 2021, the Corporation calculated the provision for income taxes by applying the estimated annual effective tax rate for the full fiscal year to ordinary income or loss. In the computation of the consolidated worldwide annual estimated effective tax rate, ASC Topic 740-270, “Income Taxes” (“ASC 740-270”), requires the exclusion of legal entities with pre-tax losses from which a tax benefit cannot be recognized. The Corporation’s estimated annual effective tax rate in the first quarter of 2021, excluding entities from which a tax benefit cannot be recognized and discrete items, was 31% compared to 24% for the first quarter of 2020. The estimated annual effective tax rate including all entities for 2021 was 31% ( 31% excluding discrete items), compared to 26% for the first quarter of 2020 ( 25% excluding discrete items). The Corporation’s net deferred tax asset amounted to $ 306.4 million as of March 31, 2021, net of a valuation allowance of $ 112.7 million, and management concluded, based upon the assessment of all positive and negative evidence, that it is more likely than not that the Corporation will generate sufficient taxable income within the applicable NOL carry-forward periods to realize such amount. The net deferred tax asset of the Corporation’s banking subsidiary, FirstBank, amounted to $ 306.2 million as of March 31, 2021, net of a valuation allowance of $ 70.7 million, compared to a net deferred tax asset of $ 329.1 million, net of a valuation allowance of $ 59.9 million, as of December 31, 2020. The decrease in the deferred tax assets is mainly driven by the aforementioned credit losses reserve release, as well the usage of net operating losses. The increase in the valuation allowance during the first quarter of 2021 was primarily related to the change in the market value of available-for-sale securities. The Corporation maintains a full valuation allowance for its deferred tax assets associated with capital loss carryforward, thus, the change in the market value of available-for-sale securities resulted in a change in the deferred tax asset and an equal change in the valuation allowance without having an effect on earnings. In 2017, the Corporation completed a formal ownership change analysis within the meaning of Section 382 of the U.S. Internal Revenue Code (“Section 382”) covering a comprehensive period and concluded that an ownership change had occurred during such period. The Section 382 limitation has resulted in higher U.S. and USVI income tax liabilities than we would have incurred in the absence of such limitation. The Corporation has mitigated to an extent the adverse effects associated with the Section 382 limitation as any such tax paid in the U.S. or USVI can be creditable against Puerto Rico tax liabilities or taken as a deduction against taxable income. However, our ability to reduce our Puerto Rico tax liability through such a credit or deduction depends on our tax profile at each annual taxable period, which is dependent on various factors. For the first quarter of 2021, the Corporation incurred an income tax expense of approximately $ 1.1 million related to its U.S. operations, compared to $ 1.0 million for the same period in 2020. The limitation did not impact the USVI operations in the first quarter of 2021 and 2020. The Corporation accounts for uncertain tax positions under the provisions of ASC Topic 740. The Corporation’s policy is to report interest and penalties related to unrecognized tax benefits in income tax expense. As of March 31, 2021, the Corporation had $ 0.1 million of accrued interest and penalties related to uncertain tax positions in the amount of $ 1.0 million that it acquired from BSPR, which, if recognized, would decrease the effective income tax rate in future periods. The amount of unrecognized tax benefits may increase or decrease in the future for various reasons, including adding amounts for current tax year positions, expiration of open income tax returns due to the statute of limitations, changes in management’s judgment about the level of uncertainty, the status of examinations, litigation, and legislative activity, and the addition or elimination of uncertain tax positions. The statute of limitations under the 2011 PR code is four years; the statute of limitations for U.S. and USVI income tax purposes is three years after a tax return is due or filed, whichever is later. The completion of an audit by the taxing authorities or the expiration of the statute of limitations for a given audit period could result in an adjustment to the Corporation’s liability for income taxes. Any such adjustment could be material to the results of operations for any given quarterly or annual period based, in part, upon the results of operations for the given period. For U.S. and USVI income tax purposes, all tax years subsequent to 2017 remain open to examination. For Puerto Rico tax purposes, all tax years subsequent to 2016 remain open to examination.

OTHER COMPREHENSIVE (LOSS) INCO

OTHER COMPREHENSIVE (LOSS) INCOME	3 Months Ended
	Mar. 31, 2021
Statement of Other Comprehensive Income [Abstract]
OTHER COMPREHENSIVE INCOME [Text Block]	NOTE 23 – OTHER COMPREHENSIVE (LOSS) INCOME The following table presents changes in accumulated other comprehensive (loss) income for the quarters ended March 31, 2021 and 2020: Changes in Accumulated Other Comprehensive (Loss) Income by Component (1) Quarter ended March 31, 2021 2020 (In thousands) Unrealized net holding gains (losses) on debt securities Beginning balance $ 55,725 $ 6,764 Other comprehensive (loss) income ( 98,929) 42,352 Ending balance $ ( 43,204) $ 49,116 Adjustment of pension and postretirement benefit plans: Beginning balance $ ( 270) $ - Other comprehensive (loss) income - - Ending balance $ ( 270) $ - ______________________ All amounts presented are net of tax. The following table presents the amounts reclassified out of each component of accumulated other comprehensive (loss) income for the quarters ended March 31, 2021 and 2020: Reclassifications Out of Accumulated Other Comprehensive (Loss) Income Affected Line Item in the Consolidated Statements of Income Quarter ended March 31 2021 2020 (In thousands) Unrealized net holding gains (losses) on debt securities Realized gain on sale of debt securities Net gain on sale of investments $ - $ ( 8,247) Provision for credit losses - (benefit) expense Provision for credit losses - (benefit) expense ( 127) 368 Total before tax ( 127) ( 7,879) Income tax expense (benefit) - - Total, net of tax $ ( 127) $ ( 7,879)

EMPLOYEE BENEFIT PLANS

EMPLOYEE BENEFIT PLANS	3 Months Ended
	Mar. 31, 2021
Employees' Benefit Plan [Abstract]
Employees' Benefit Plan [Text Block]	NOTE 24 – EMPLOYEE BENEFIT PLANS The Corporation maintains two frozen qualified noncontributory defined benefit pension plans (the “Pension Plans”) and a related complementary post-retirement benefit plan covering medical benefits and life insurance after retirement that it obtained in the BSPR acquisition (the “Postretirement Benefit Plan”) on September 1, 2020. One defined benefit pension plan covers substantially all of BSPR’s former employees who were active before January 1, 2007, while the other defined benefit pension plan covers personnel of an institution previously-acquired by BSPR. Benefits are based on salary and years of service. The accrual of benefits under the Pension Plans is frozen to all participants. The Corporation requires recognition of a plan’s overfunded and underfunded status as an asset or liability with an offsetting adjustment to accumulated other comprehensive loss pursuant to the ASC Topic 715, Compensation-Retirement Benefits. The components of net periodic benefit (income) loss for the Pension Plans and Postretirement Benefit Plan are summarized in the following table: Quarter Ended March 31, 2021 Location Pension Plans Postretirement Benefit Plan (In thousands) Net periodic benefit (income) loss: Interest cost Other expenses 618 2 Estimated return on plan assets Other expenses ( 1,131) - Net periodic benefit (income) $ ( 513) $ 2 The Corporation does not expect to contribute to the Pension Plans during 2021.

FAIR VALUE

FAIR VALUE	3 Months Ended
	Mar. 31, 2021
Fair Value Disclosures [Abstract]
FAIR VALUE [Text Block]	NOTE 25 – FAIR VALUE Fair Value Measurement The FASB authoritative guidance for fair value measurement defines fair value as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. This guidance also establishes a fair value hierarchy for classifying financial instruments. The hierarchy is based on whether the inputs to the valuation techniques used to measure fair value are observable or unobservable. One of three levels of inputs may be used to measure fair value: Level 1 Valuations of Level 1 assets and liabilities are obtained from readily-available pricing sources for market transactions involving identical assets or liabilities. Level 1 assets and liabilities include equity securities that trade in an active exchange market, as well as certain U.S. Treasury and other U.S. government and agency securities and corporate debt securities that are traded by dealers or brokers in active markets. Level 2 Valuations of Level 2 assets and liabilities are based on observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities. Level 2 assets and liabilities include (i) MBS for which the fair value is estimated based on the value of identical or comparable assets, (ii) debt securities with quoted prices that are traded less frequently than exchange-traded instruments, and (iii) derivative contracts whose value is determined using a pricing model with inputs that are observable in the market or can be derived principally from or corroborated by observable market data. Level 3 Valuations of Level 3 assets and liabilities are based on unobservable inputs that are supported by little or no market activity and are significant to the fair value of the assets or liabilities. Level 3 assets and liabilities include financial instruments whose value is determined by using pricing models for which the determination of fair value requires significant management judgment as to the estimation. Financial Instruments Recorded at Fair Value on a Recurring Basis Investment securities available for sale and marketable equity securities held at fair value The fair value of investment securities was the market value based on quoted market prices (as is the case with U.S. Treasury notes, non-callable U.S. agencies debt securities, and equity securities with readily determinable fair values), when available (Level 1), or, market prices for identical or comparable assets (as is the case with MBS and callable U.S. agency debt securities) that are based on observable market parameters, including benchmark yields, reported trades, quotes from brokers or dealers, issuer spreads, bids, offers and reference data, including market research operations, when available (Level 2). Observable prices in the market already consider the risk of nonperformance. If listed prices or quotes are not available, fair value is based upon discounted cash flow models that use unobservable inputs due to the limited market activity of the instrument, as is the case with certain private label MBS held by the Corporation (Level 3). Derivative instruments The fair value of most of the Corporation’s derivative instruments is based on observable market parameters and takes into consideration the credit risk component of paying counterparties, when appropriate. On interest caps, only the seller's credit risk is considered. The Corporation valued the caps using a discounted cash flow approach based on the related LIBOR and swap rate for each cash flow The Corporation valued the interest rate swaps using a discounted cash flow approach based on the related LIBOR and swap forward rate for each cash flow. The Corporation considers a credit spread for those derivative instruments that are not secured. The cumulative mark-to-market effect of credit risk in the valuation of derivative instruments for the quarters ended March 31, 2021 and 2020 was immaterial. Assets and liabilities measured at fair value on a recurring basis are summarized below as of March 31, 2021 and December 31, 2020: As of March 31,2021 As of December 31, 2020 Fair Value Measurements Using Fair Value Measurements Using (In thousands) Level 1 Level 2 Level 3 Assets/Liabilities at Fair Value Level 1 Level 2 Level 3 Assets/Liabilities at Fair Value Assets: Securities available for sale: U.S. Treasury Securities $ 7,466 $ - $ - $ 7,466 $ 7,507 $ - $ - $ 7,507 Noncallable U.S. agencies debt securities - 189,466 - 189,466 - 173,371 - 173,371 Callable U.S. agencies debt securities and MBS - 5,198,082 - 5,198,082 - 4,454,164 - 4,454,164 Puerto Rico government obligations - - 2,829 2,829 - - 2,899 2,899 Private label MBS - - 8,297 8,297 - - 8,428 8,428 Other investments - - 650 650 - - 650 650 Equity securities 5,445 - - 5,445 1,474 - - 1,474 Derivatives, included in assets: Interest rate swap agreements - 1,314 - 1,314 - 1,622 - 1,622 Purchased interest rate cap agreements - 6 - 6 - 1 - 1 Forward contracts - 204 - 204 - 102 - 102 Interest rate lock commitments - 725 - 725 - 737 - 737 Forward loan sales commitments - 20 - 20 - 20 - 20 Liabilities: Derivatives, included in liabilities: Interest rate swap agreements - 1,306 - 1,306 - 1,639 - 1,639 Written interest rate cap agreements - 6 - 6 - 1 - 1 Forward contracts - 44 - 44 - 280 - 280 The table below presents a reconciliation of the beginning and ending balances of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the quarters ended March 31, 2021 and 2020: Quarter ended March 31, 2021 2020 Level 3 Instruments Only Securities Securities (In thousands) Available For Sale (1) Available For Sale (1) Beginning balance $ 11,977 14,590 Total gains (losses) (realized/unrealized): Included in other comprehensive income 321 240 Included in earnings 127 ( 368) Principal repayments and amortization ( 649) ( 693) Ending balance $ 11,776 $ 13,769 Amounts mostly related to private label MBS. The tables below present qualitative information for significant assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) as of March 31, 2021 and December 31, 2020: March 31, 2021 Range Weighted Average (In thousands) Fair Value Valuation Technique Unobservable Input Minimum Maximum Investment securities available-for-sale: Private label MBS $ 8,297 Discounted cash flows Discount rate 12.9% 12.9% 12.9% Prepayment rate 0.7% 21.9% 13.6% Projected Cumulative Loss Rate 0.1% 17.8% 7.7% Puerto Rico government obligations 2,829 Discounted cash flows Discount rate 7.3 7.3 7.3 Projected Cumulative Loss Rate 10.1% 10.1% 10.1% December 31, 2020 Range Weighted (In thousands) Fair Value Valuation Technique Unobservable Input Minimum Maximum Average Investment securities available-for-sale: Private label MBS $ 8,428 Discounted cash flows Discount rate 12.2% 12.2% 12.2% Prepayment rate 1.2% 18.8% 12.1% Projected Cumulative Loss Rate 2.6% 22.3% 10.2% Puerto Rico government obligations 2,899 Discounted cash flows Discount rate 7.9% 7.9% 7.9% Projected Cumulative Loss Rate 12.4% 12.4% 12.4% Information about Sensitivity to Changes in Significant Unobservable Inputs Private label MBS : The significant unobservable inputs in the valuation include probability of default, the loss severity assumption, and prepayment rates. Shifts in those inputs would result in different fair value measurements. Increases in the probability of default, loss severity assumptions, and prepayment rates in isolation would generally result in an adverse effect on the fair value of the instruments. The Corporation modeled meaningful and possible shifts of each input to assess the effect on the fair value estimation. Puerto Rico Government Obligations : The significant unobservable input used in the fair value measurement is the assumed loss rate of the underlying residential mortgage loans that collateralize these obligations, which are guaranteed by the PRHFA. A significant increase (decrease) in the assumed rate would lead to a (lower) higher fair value estimate. The fair value of these bonds was based on a discounted cash flow methodology that considers the structure and terms of the underlying collateral. The Corporation utilizes PDs and LGDs that consider, among other things, historical payment performance, loan-to-value attributes and relevant current and forward-looking macroeconomic variables, such as regional unemployment rates, the housing price index and the expected recovery of PRHFA guarantee. Under this approach, all future cash flows (interest and principal) from the underlying collateral loans, adjusted by prepayments and the PDs and LGDs derived from the above-described methodology, are discounted at the internal rate of return as of the reporting date and compared to the amortized cost. The table below summarizes changes in unrealized gains and losses recorded in earnings for the quarters ended March 31, 2021 and 2020 for Level 3 assets and liabilities that were still held at the end of each period: Changes in Unrealized Losses Level 3 Instruments Only Quarter ended March 31, (In thousands) 2021 2020 Changes in unrealized losses relating to assets still held at reporting date: Provision for credit losses - benefit (expense) $ 127 $ ( 368) Additionally, fair value is used on a nonrecurring basis to evaluate certain assets in accordance with GAAP. Adjustments to fair value usually result from the application of lower-of-cost or market accounting ( e.g. , loans held for sale carried at the lower-of-cost or fair value and repossessed assets) or write-downs of individual assets ( e.g. , goodwill and loans). As of March 31, 2021, the Corporation recorded losses or valuation adjustments for assets recognized at fair value on a non-recurring basis as shown in the following table: Carrying value as of March 31, 2021 Gains (Losses) recorded for the Quarter Ended March 31, 2021 Level 1 Level 2 Level 3 (In thousands) Loans receivable (1) $ - $ - $ 237,025 $ ( 1,203) OREO (2) - - 79,207 ( 2,364) Loans Held For Sale (3) - - 13,425 ( 360) Consists mainly of collateral dependent commercial and construction loans. The Corporation generally measured losses based on the fair value of the collateral. The Corporation derived the fair values from external appraisals that took into consideration prices in observed transactions involving similar assets in similar locations but adjusted for specific characteristics and assumptions of the collateral ( e.g. , absorption rates), which are not market observable. The Corporation derived the fair values from appraisals that took into consideration prices in observed transactions involving similar assets in similar locations but adjusted for specific characteristics and assumptions of the properties ( e.g. , absorption rates and net operating income of income producing properties), which are not market observable. Losses were related to market valuation adjustments after the transfer of the loans to the OREO portfolio. Commercial loan participations transferred to held for sale in the first quarter of 2021 and still in inventory at the end of the period. The value of these loans was primarily derived from offers of market participants that the Corporation considered. As of March 31, 2020, the Corporation recorded losses or valuation adjustments for assets recognized at fair value on a non-recurring basis as shown in the following table: Carrying value as of March 31, 2020 Losses recorded for the Quarter Ended March 31, 2020 Level 1 Level 2 Level 3 (In thousands) Loans receivable (1) $ - $ - $ 291,856 $ ( 6,393) OREO (2) - - 99,674 ( 654) Consists mainly of collateral dependent commercial and construction loans. The Corporation generally measured losses based on the fair value of the collateral. The Corporation derived the fair values from external appraisals that took into consideration prices in observed transactions involving similar assets in similar locations but adjusted for specific characteristics and assumptions of the collateral (e.g., absorption rates), which are not market observable. The Corporation derived the fair values from appraisals that took into consideration prices in observed transactions involving similar assets in similar locations but adjusted for specific characteristics and assumptions of the properties (e.g., absorption rates and net operating income of income producing properties), which are not market observable. Losses were related to market valuation adjustments after the transfer of the loans to the OREO portfolio. Qualitative information regarding the fair value measurements for Level 3 financial instruments as of March 31, 2021 are as follows: March 31, 2021 Method Inputs Loans Income, Market, Comparable Sales, Discounted Cash Flows External appraised values; probability weighting of broker price opinions; management assumptions regarding market trends or other relevant factors OREO Income, Market, Comparable Sales, Discounted Cash Flows External appraised values; probability weighting of broker price opinions; management assumptions regarding market trends or other relevant factors The following tables present the carrying value, estimated fair value and estimated fair value level of the hierarchy of financial instruments as of March 31, 2021 and December 31, 2020: Total Carrying Amount in Statement of Financial Condition as of March 31, 2021 Fair Value Estimate as of March 31, 2021 Level 1 Level 2 Level 3 (In thousands) Assets: Cash and due from banks and money market investments (amortized cost) $ 1,518,164 $ 1,518,164 $ 1,518,164 $ - $ - Investment securities available for sale (fair value) 5,406,790 5,406,790 7,466 5,387,548 11,776 Investment securities held to maturity (amortized cost) 189,680 Less: allowance for credit losses on held to maturity debt securities ( 8,869) Investment securities held to maturity, net of allowance $ 180,811 178,314 - - 178,314 Equity Securities (fair value) 41,558 41,558 5,445 36,113 - Loans held for sale (lower of cost or market) 56,070 57,132 - 43,707 13,425 Loans, held for investment (amortized cost) 11,641,859 Less: allowance for credit losses for loans and finance leases ( 358,936) Loans held for investment, net of allowance $ 11,282,923 11,452,765 - - 11,452,765 Derivatives, included in assets (fair value) 2,269 2,269 - 2,269 - Liabilities: Deposits (amortized cost) 16,010,436 16,052,136 - 16,052,136 - Securities sold under agreements to repurchase (amortized cost) 300,000 324,288 - 324,288 - Advances from FHLB (amortized cost) 440,000 445,387 - 445,387 - Other borrowings (amortized cost) 183,762 145,581 - - 145,581 Derivatives, included in liabilities (fair value) 1,356 1,356 - 1,356 - Total Carrying Amount in Statement of Financial Condition as of December 31, 2020 Fair Value Estimate as of December 31, 2020 Level 1 Level 2 Level 3 (In thousands) Assets: Cash and due from banks and money market investments (amortized cost) $ 1,493,833 $ 1,493,833 $ 1,493,833 $ - $ - Investment securities available for sale (fair value) 4,647,019 4,647,019 7,507 4,627,535 11,977 Investment securities held to maturity (amortized cost) 189,488 Less: allowance for credit losses on held to maturity securities ( 8,845) Investment securities held to maturity, net of allowance 180,643 173,806 - - 173,806 Equity securities (fair value) 37,588 37,588 1,474 36,114 - Loans held for sale (lower of cost or market) 50,289 52,322 - 52,322 - Loans, held for investment (amortized cost) 11,777,289 Less: allowance for credit losses for loans and finance leases ( 385,887) Loans held for investment, net of allowance $ 11,391,402 11,564,635 - - 11,564,635 Derivatives, included in assets (fair value) 2,842 2,842 - 2,842 - Liabilities: Deposits (amortized cost) 15,317,383 15,363,236 - 15,363,236 - Securities sold under agreements to repurchase (amortized cost) 300,000 329,493 - 329,493 - Advances from FHLB (amortized cost) 440,000 446,703 - 446,703 - Other borrowings (amortized cost) 183,762 151,645 - - 151,645 Derivatives, included in liabilities (fair value) 1,920 1,920 - 1,920 - The short-term nature of certain assets and liabilities result in their carrying value approximating fair value. These include cash and cash due from banks and other short-term assets, such as FHLB stock. Certain assets, the most significant being premises and equipment, mortgage servicing rights, core deposit, and other customer relationship intangibles, are not considered financial instruments and are not included above. Accordingly, this fair value information is not intended to, and does not, represent the Corporation’s underlying value. Many of these assets and liabilities that are subject to the disclosure requirements are not actively traded, requiring management to estimate fair values. These estimates necessarily involve the use of assumptions and judgment about a wide variety of factors, including but not limited to, relevancy of market prices of comparable instruments, expected futures cash flows, and appropriate discount rates.

REVENUE FROM CONTRACTS WITH CUS

REVENUE FROM CONTRACTS WITH CUSTOMERS	3 Months Ended
	Mar. 31, 2021
Revenue from Contract with Customer [Abstract]
REVENUE FROM CONTRACTS WITH CUSTOMER [Text Block]	NOTE 26 – REVENUE FROM CONTRACTS WITH CUSTOMERS Revenue Recognition In accordance with ASC Topic 606, “Revenue from Contracts with Customers” (“ASC Topic 606”), revenues are recognized when control of promised goods or services is transferred to customers and in an amount that reflects the consideration to which the Corporation expects to be entitled in exchange for those goods or services. To determine revenue recognition for arrangements that an entity determines are within the scope of ASC Topic 606, the Corporation performs the following five steps: (i) identifies the contract(s) with a customer; (ii) identifies the performance obligations in the contract; (iii) determines the transaction price; (iv) allocates the transaction price to the performance obligations in the contract; and (v) recognizes revenue when (or as) the Corporation satisfies a performance obligation. The Corporation only applies the five-step model to contracts when it is probable that the entity will collect the consideration to which it is entitled in exchange for the goods or services it transfers to the customer. At contract inception, once the contract is determined to be within the scope of ASC Topic 606, the Corporation assesses the goods or services that are promised within each contract, identifies those that contain performance obligations, and assesses whether each promised good or service is distinct. The Corporation then recognizes as revenue the amount of the transaction price that is allocated to the respective performance obligation when (or as) the performance obligation is satisfied. Disaggregation of Revenue The following table summarizes the Corporation’s revenue, which includes net interest income on financial instruments and non-interest income, disaggregated by type of service and business segment for the quarters ended March 31, 2021 and 2020: (In thousands) Mortgage Banking Consumer (Retail) Banking Commercial and Corporate Treasury and Investments United States Operations Virgin Islands Operations Total For the quarter ended March 31, 2021: Net interest income (1) $ 25,240 $ 58,483 $ 48,981 $ 21,583 $ 15,023 $ 6,955 $ 176,265 Non-interest income: Service charges and fees on deposit accounts - 4,476 2,971 - 149 708 8,304 Insurance commissions - 4,967 - - 29 245 5,241 Merchant-related income - 922 256 - 13 204 1,395 Credit and debit card fees - 5,645 19 - 3 370 6,037 Other service charges and fees 173 865 519 - 458 141 2,156 Not in scope of Topic 606 (1) 6,943 368 132 56 323 1 7,823 Total non-interest income 7,116 17,243 3,897 56 975 1,669 30,956 Total Revenue $ 32,356 $ 75,726 $ 52,878 $ 21,639 $ 15,998 $ 8,624 $ 207,221 (In thousands) Mortgage Banking Consumer (Retail) Banking Commercial and Corporate Treasury and Investments United States Operations Virgin Islands Operations Total For the quarter ended March 31, 2020: Net interest income (1) $ 17,058 $ 57,744 $ 23,581 $ 19,875 $ 13,785 $ 6,606 $ 138,649 Non-interest income: Service charges and fees deposit accounts - 3,483 1,564 - 168 742 5,957 Insurance commissions - 4,376 - - 4 202 4,582 Merchant-related income - 750 - - - 149 899 Credit and debit card fees - 4,217 17 - 10 422 4,666 Other service charges and fees 74 617 412 - 418 147 1,668 Not in scope of Topic 606 (1) 3,566 285 18 8,328 231 - 12,428 Total non-interest income 3,640 13,728 2,011 8,328 831 1,662 30,200 Total Revenue $ 20,698 $ 71,472 $ 25,592 $ 28,203 $ 14,616 $ 8,268 $ 168,849 Most of the Corporation’s revenue is not within the scope of ASC Topic 606. The guidance explicitly excludes net interest income from financial assets and liabilities, as well as other non-interest income from loans, leases, investment securities and derivative financial instruments. For the quarters ended March 31, 2021 and 2020, substantially all of the Corporation’s revenue within the scope of ASC Topic 606 was related to performance obligations satisfied at a point in time. The following is a discussion of revenues under the scope of ASC Topic 606. Service Charges and Fees on Deposit Accounts Service charges and fees on deposit accounts relate to fees generated from a variety of deposit products and services rendered to customers. Charges include, but are not limited to, overdraft fees, insufficient fund fees, dormant fees and monthly service charges. Such fees are recognized concurrently with the event on a daily basis or on a monthly basis depending upon the customer’s cycle date. These depository arrangements are considered day-to-day contracts that do not extend beyond the services performed, as customers have the right to terminate these contracts with no penalty or, if any, nonsubstantive penalties. Insurance Commissions For insurance commissions, which include regular and contingent commissions paid to the Corporation’s insurance agency, the agreements contain a performance obligation related to the sale/issuance of the policy and ancillary administrative post-issuance support. The performance obligations are satisfied when the policies are issued, and revenue is recognized at that point in time. In addition, contingent commission income may be considered to be constrained, as defined under ASC Topic 606. Contingent commission income is included in the transaction price only to the extent that it is probable that a significant reversal in the amount of cumulative revenue recognized will not occur or payments are received. For the quarters ended March 31, 2021 and 2020, respectively, the Corporation recognized revenue at the time that payments were confirmed and constraints were released of $ 3.3 million and $ 3.1 million, respectively. Merchant-related Income For merchant-related income, the determination of which included the consideration of a 2015 sale of merchant contracts that involved sales of point of sale (“POS”) terminals and entry into a marketing alliance under a revenue-sharing agreement, the Corporation concluded that control of the POS terminals and merchant contracts was transferred to the customer at the contract’s inception. With respect to the related revenue-sharing agreement, the Corporation satisfies the marketing alliance performance obligation over the life of the contract, and recognizes the associated transaction price as the entity performs and any constraints over the variable consideration are resolved. Credit and Debit Card Fees Credit and debit card fees primarily represent revenues earned from interchange fees and ATM fees. Interchange and network revenues are earned on credit and debit card transactions conducted with payment networks. ATM fees are primarily earned as a result of surcharges assessed to non-FirstBank customers who use a FirstBank ATM. Such fees are generally recognized concurrently with the delivery of services on a daily basis. Other Fees Other fees primarily include revenues generated from wire transfers, lockboxes, bank issuances of checks and trust fees recognized from transfer paying agent, retirement plan, and other trustee activities. Revenues are recognized on a recurring basis when the services are rendered. Contract Balances A contract liability is an entity’s obligation to transfer goods or services to a customer in exchange for consideration from the customer. During 2019, the Bank entered into a growth agreement with an international card service association to expand the customer base and enhance product offerings. The contract requires the Bank to either launch a new debit card product by March 30, 2021, or maintain a ratio of over 50% of the portfolio with the related card service association by the end of year 2021. In connection with this agreement, the Corporation recognized a contract liability as the revenue is constrained to the fulfillment of the above conditions. As of March 31, 2021, the Bank has neither launched a new debit card product nor maintained a ratio of over 50% of the portfolio with the related card service association, therefore, no revenue portion has been recognized from this contract. In addition, as discussed above, during 2015, the Bank entered into a long-term strategic marketing alliance under a revenue-sharing agreement with another entity to which the Bank sold its merchant contracts portfolio and related POS terminals. Merchant services are marketed through FirstBank’s branches and offices in Puerto Rico and the Virgin Islands. Under the revenue-sharing agreement, FirstBank shares with this entity revenues generated by the merchant contracts over the term of the 10-year agreement. As of March 31, 2021 and 2020, this contract liability amounted to $ 2.1 million and $ 2.4 million, respectively, which will be recognized over the remaining term of the contract. For each of the quarters ended March 31, 2021 and 2020, the Corporation recognized revenue and its contract liabilities decreased by approximately $ 0.1 million, due to the completion of performance over time. There were no changes in contract liabilities due to changes in transaction price estimates. A contract asset is the right to consideration for transferred goods or services when the amount is conditioned on something other than the passage of time. As of March 31, 2021 and 2020, there were no contract assets from contracts with customers or contract assets recorded on the Corporation’s consolidated financial statements. The following table shows the activity of contract liabilities for the quarters ended March 31, 2021 and 2020: (In thousands) March 31, 2021 March 31, 2020 Beginning Balance $ 2,151 $ 2,476 Less: Amortizations ( 81) ( 81) Ending balance $ 2,070 $ 2,395 Other Except for the contract liabilities noted above, the Corporation did not have any significant performance obligations as of March 31, 2021. The Corporation also did not have any material contract acquisition costs and did not make any significant judgments or estimates in recognizing revenue for financial reporting purposes.

SUPPLEMENTAL CASH FLOW INFORMAT

SUPPLEMENTAL CASH FLOW INFORMATION	3 Months Ended
	Mar. 31, 2021
Supplemental Cash Flow Elements [Abstract]
SUPPLEMENTAL CASH FLOW INFORMATION [Text Block]	NOTE 27 – SUPPLEMENTAL STATEMENT OF CASH FLOWS INFORMATION Supplemental statement of cash flows information is as follows for the indicated periods: Quarter Ended March 31, 2021 2020 (In thousands) Cash paid for: Interest on borrowings $ 18,934 $ 25,935 Income tax 4,484 1,070 Operating cash flow from operating leases 4,889 2,550 Non-cash investing and financing activities: Additions to OREO 4,521 5,283 Additions to auto and other repossessed assets 11,456 12,785 Capitalization of servicing assets 1,350 904 Loan securitizations 56,135 60,903 Loans held for investment transferred to held for sale 28,283 3,535 ROU assets obtained in exchange for operating lease liabilities - 274 Unsettled purchases of available-for-sale investment securities 10,071 - Unsettled sales of available-for-sale investment securities - 284,201

SEGMENT INFORMATION

SEGMENT INFORMATION	3 Months Ended
	Mar. 31, 2021
Segment Reporting [Abstract]
SEGMENT INFORMATION [Text Block]	NOTE 28 – SEGMENT INFORMATION Based upon the Corporation’s organizational structure and the information provided to the Chief Executive Officer, the operating segments are based primarily on the Corporation’s lines of business for its operations in Puerto Rico, the Corporation’s principal market, and by geographic areas for its operations outside of Puerto Rico. As of March 31, 2021, the Corporation had six reportable segments: Commercial and Corporate Banking; Mortgage Banking; Consumer (Retail) Banking; Treasury and Investments; United States Operations; and Virgin Islands Operations. Management determined the reportable segments based on the internal structure used to evaluate performance and to assess where to allocate resources. Other factors, such as the Corporation’s organizational chart, nature of the products, distribution channels, and the economic characteristics of the products, were also considered in the determination of the reportable segments. The Commercial and Corporate Banking segment consists of the Corporation’s lending and other services for large customers represented by specialized and middle-market clients and the public sector. The Commercial and Corporate Banking segment offers commercial loans, including commercial real estate and construction loans, and floor plan financings, as well as other products, such as cash management and business management services. The Mortgage Banking segment consists of the origination, sale, and servicing of a variety of residential mortgage loans. The Mortgage Banking segment also acquires and sells mortgages in the secondary markets. In addition, the Mortgage Banking segment includes mortgage loans purchased from other local banks and mortgage bankers. The Consumer (Retail) Banking segment consists of the Corporation’s consumer lending and deposit-taking activities conducted mainly through its branch network and loan centers. The Treasury and Investments segment is responsible for the Corporation’s investment portfolio and treasury functions that are executed to manage and enhance liquidity. This segment lends funds to the Commercial and Corporate Banking, Mortgage Banking, Consumer (Retail) Banking and United States Operations segments to finance their lending activities and borrows from those segments. The Consumer (Retail) Banking segment also lends funds to other segments. The interest rates charged or credited by Treasury and Investments and the Consumer (Retail) Banking segments are allocated based on market rates. The difference between the allocated interest income or expense and the Corporation’s actual net interest income from centralized management of funding costs is reported in the Treasury and Investments segment. The United States Operations segment consists of all banking activities conducted by FirstBank in the United States mainland, including commercial and retail banking services. The Virgin Islands Operations segment consists of all banking activities conducted by the Corporation in the USVI and BVI, including commercial and retail banking services. The accounting policies of the segments are the same as those referred to in Note 1 – Nature of Business and Summary of Significant Accounting Policies, in the audited consolidated financial statements, which are included in the 2020 Annual Report on Form 10-K. The Corporation evaluates the performance of the segments based on net interest income, the provision for credit losses, non-interest income and direct non-interest expenses. The segments are also evaluated based on the average volume of their interest-earning assets less the ACL. The following table presents information about the reportable segments for the quarters ended March 31, 2021 and 2020: (In thousands) Mortgage Banking Consumer (Retail) Banking Commercial and Corporate Banking Treasury and Investments United States Operations Virgin Islands Operations Total For the quarter ended March 31, 2021: Interest income $ 37,060 $ 65,733 $ 51,458 $ 12,762 $ 20,332 $ 7,297 $ 194,642 Net (charge) credit for transfer of funds ( 11,820) 1,055 ( 2,477) 14,934 ( 1,692) - - Interest expense - ( 8,305) - ( 6,113) ( 3,617) ( 342) ( 18,377) Net interest income 25,240 58,483 48,981 21,583 15,023 6,955 176,265 Provision for credit losses - (benefit) expense ( 786) 3,962 ( 17,179) ( 127) ( 237) ( 885) ( 15,252) Non-interest income 7,116 17,243 3,897 56 975 1,669 30,956 Direct non-interest expenses 7,997 41,091 11,538 1,234 8,294 7,405 77,559 Segment income $ 25,145 $ 30,673 $ 58,519 $ 20,532 $ 7,941 $ 2,104 $ 144,914 Average earning assets $ 2,658,887 $ 2,442,174 $ 4,029,377 $ 6,259,344 $ 2,078,660 $ 449,532 $ 17,917,974 (In thousands) Mortgage Banking Consumer (Retail) Banking Commercial and Corporate Banking Treasury and Investments United States Operations Virgin Islands Operations Total For the quarter ended March 31, 2020: Interest income $ 28,800 $ 58,096 $ 32,636 $ 16,066 $ 22,155 $ 7,511 $ 165,264 Net (charge) credit for transfer of funds ( 11,742) 10,030 ( 9,055) 11,491 ( 724) - - Interest expense - ( 10,382) - ( 7,682) ( 7,646) ( 905) ( 26,615) Net interest income 17,058 57,744 23,581 19,875 13,785 6,606 138,649 Provision for credit losses expense 15,201 32,153 19,175 1,502 6,564 2,771 77,366 Non-interest income 3,640 13,728 2,011 8,328 831 1,662 30,200 Direct non-interest expenses 8,499 29,476 7,047 763 8,991 7,435 62,211 Segment (loss) income $ ( 3,002) $ 9,843 $ ( 630) $ 25,938 $ ( 939) $ ( 1,938) $ 29,272 Average earning assets $ 2,012,906 $ 2,131,502 $ 2,420,069 $ 2,877,104 $ 1,944,385 $ 455,129 $ 11,841,095 The following table presents a reconciliation of the reportable segment financial information to the consolidated totals for the indicated periods: Quarter Ended March 31, (In thousands) 2021 2020 Net income: Total income for segments and other $ 144,914 $ 29,272 Other operating expenses (1) 55,742 29,973 Income (loss) before income taxes 89,172 ( 701) Income tax expense (benefit) 28,022 ( 2,967) Total consolidated net income $ 61,150 $ 2,266 Average assets: Total average earning assets for segments $ 17,917,974 $ 11,841,095 Average non-earning assets 1,168,336 912,334 Total consolidated average assets $ 19,086,310 $ 12,753,429 Expenses pertaining to corporate administrative functions that support the operating segment, but are not specifically attributable to or managed by any segment, are not included in the reported financial results of the operating segments. The unallocated corporate expenses include certain general and administrative expenses and related depreciation and amortization expenses.

REGULATORY MATTERS, COMMITMENTS

REGULATORY MATTERS, COMMITMENTS AND CONTINGENCIES	3 Months Ended
	Mar. 31, 2021
Commitments And Contingencies Disclosure [Abstract]
REGULATORY MATTERS, COMMITMENTS AND CONTINGENCIES [Text Block]	NOTE 29 – REGULATORY MATTERS, COMMITMENTS AND CONTINGENCIES The Corporation and FirstBank are each subject to various regulatory capital requirements imposed by the U.S. Federal banking agencies. Failure to meet minimum capital requirements can result in certain mandatory and possibly additional discretionary actions by regulators that, if undertaken, could have a direct material adverse effect on the Corporation’s financial statements and activities. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, the Corporation must meet specific capital guidelines that involve quantitative measures of the Corporation’s and FirstBank’s assets, liabilities, and certain off-balance sheet items as calculated under regulatory accounting practices. The Corporation’s capital amounts and classification are also subject to qualitative judgments and adjustment by the regulators with respect to minimum capital requirements, components, risk weightings, and other factors. As of March 31, 2021 and December 31, 2020, the Corporation and FirstBank exceeded the minimum regulatory capital ratios for capital adequacy purposes and FirstBank exceeded the minimum regulatory capital ratios to be considered a well-capitalized institution under the regulatory framework for prompt corrective action. As of March 31, 2021, management does not believe that any condition has changed or event has occurred that would have changed the institution’s status. The Corporation and FirstBank compute risk-weighted assets using the standardized approach required by the U.S. Basel III capital rules (“Basel III rules”). The Basel III rules require the Corporation to maintain an additional capital conservation buffer of 2.5% to avoid limitations on both (i) capital distributions ( e.g. , repurchases of capital instruments, dividends and interest payments on capital instruments) and (ii) discretionary bonus payments to executive officers and heads of major business lines. Under the Basel III rules, in order to be considered adequately capitalized and not subject to the above described limitations, the Corporation is required to maintain: (i) a minimum Common Equity Tier 1 Capital (“CET1”) capital to risk-weighted assets ratio of at least 4.5%, plus the 2.5% “capital conservation buffer,” resulting in a required minimum CET1 ratio of at least 7%; (ii) a minimum ratio of total Tier 1 capital to risk-weighted assets of at least 6.0%, plus the 2.5% capital conservation buffer, resulting in a required minimum Tier 1 capital ratio of 8.5%; (iii) a minimum ratio of total Tier 1 plus Tier 2 capital to risk-weighted assets of at least 8.0%, plus the 2.5% capital conservation buffer, resulting in a required minimum total capital ratio of 10.5%; and (iv) a required minimum leverage ratio of 4%, calculated as the ratio of Tier 1 capital to average on-balance sheet (non-risk adjusted) assets. As part of its response to the impact of COVID-19, on March 31, 2020, the agencies issued an interim final rule that provided the option to temporarily delay the effects of CECL on regulatory capital for two years, followed by a three-year transition period. The interim final rule provides that, at the election of a qualified banking organization, the day 1 impact to retained earnings plus 25% of the change in the ACL (excluding PCD loans) from January 1, 2020 to December 31, 2021 will be delayed for two years and phased-in at 25% per year beginning on January 1, 2022 over a three-year period, resulting in a total transition period of five years. Accordingly, as of March 31, 2021, the capital measures of the Corporation and the Bank exclude the $ 62.3 million day 1 impact to retained earnings and 25% of the increase in the allowance for credit losses (as defined in the interim final rule) from January 1, 2020 to March 31, 2021. The federal financial regulatory agencies may take other measures affecting regulatory capital to address the COVID-19 pandemic, although the nature and impact of such measures cannot be predicted at this time. The regulatory capital positions of the Corporation and FirstBank as of March 31, 2021 and December 31, 2020, which reflect the delay in the effect of CECL on regulatory capital, were as follows: Regulatory Requirements Actual For Capital Adequacy Purposes To be Well-Capitalized Thresholds Amount Ratio Amount Ratio Amount Ratio (Dollars in thousands) As of March 31, 2021 Total Capital (to Risk-Weighted Assets) First BanCorp. $ 2,479,823 20.73% $ 956,908 8.0% N/A N/A FirstBank $ 2,421,641 20.24% $ 956,977 8.0% $ 1,196,221 10.0% CET1 Capital (to Risk-Weighted Assets) First BanCorp. $ 2,115,199 17.68% $ 538,261 4.5% N/A N/A FirstBank $ 1,963,360 16.41% $ 538,300 4.5% $ 777,544 6.5% Tier I Capital (to Risk-Weighted Assets) First BanCorp. $ 2,151,302 17.99% $ 717,681 6.0% N/A N/A FirstBank $ 2,271,360 18.99% $ 717,733 6.0% $ 956,977 8.0% Leverage ratio First BanCorp. $ 2,151,302 11.36% $ 757,485 4.0% N/A N/A FirstBank $ 2,271,360 12.00% $ 756,898 4.0% $ 946,122 5.0% As of December 31, 2020 Total Capital (to Risk-Weighted Assets) First BanCorp. $ 2,416,682 20.37% $ 948,890 8.0% N/A N/A FirstBank $ 2,360,493 19.91% $ 948,624 8.0% $ 1,185,780 10.0% CET1 Capital (to Risk-Weighted Assets) First BanCorp. $ 2,053,045 17.31% $ 533,751 4.5% N/A N/A FirstBank $ 1,903,251 16.05% $ 533,601 4.5% $ 770,757 6.5% Tier I Capital (to Risk-Weighted Assets) First BanCorp. $ 2,089,149 17.61% $ 711,667 6.0% N/A N/A FirstBank $ 2,211,251 18.65% $ 711,468 6.0% $ 948,624 8.0% Leverage ratio First BanCorp. $ 2,089,149 11.26% $ 742,352 4.0% N/A N/A FirstBank $ 2,211,251 11.92% $ 741,841 4.0% $ 927,301 5.0% The Corporation enters into financial instruments with off-balance sheet risk in the normal course of business to meet the financing needs of its customers. These financial instruments may include commitments to extend credit and standby letters of credits. Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any conditions established in the contract. Commitments generally have fixed expiration dates or other termination clauses. Since certain commitments are expected to expire without being drawn upon, the total commitment amount does not necessarily represent future cash requirements. For most of the commercial lines of credit, the Corporation has the option to reevaluate the agreement prior to additional disbursements. In the case of credit cards and personal lines of credit, the Corporation can cancel the unused credit facility at any time and without cause. As of March 31, 2021, commitments to extend credit amounted to approximately $ 2.1 billion, of which $ 1.2 billion relates to credit card loans. Commercial and financial standby letters of credit amounted to approximately $ 115.5 million. As of March 31, 2021, First BanCorp. and its subsidiaries were defendants in various legal proceedings, claims and other loss contingencies arising in the ordinary course of business. On at least a quarterly basis, the Corporation assesses its liabilities and contingencies in connection with threatened and outstanding legal proceedings, claims and other loss contingencies utilizing the latest information available. For legal proceedings, claims and other loss contingencies where it is both probable that the Corporation will incur a loss and the amount can be reasonably estimated, the Corporation establishes an accrual for the loss. Once established, the accrual is adjusted as appropriate to reflect any relevant developments. For legal proceedings, claims and other loss contingencies where a loss is not probable or the amount of the loss cannot be estimated, no accrual is established. Any estimate involves significant judgment, given the varying stages of the proceedings (including the fact that some of them are currently in preliminary stages), the existence in some of the current proceedings of multiple defendants whose share of liability has yet to be determined, the numerous unresolved issues in the proceedings, and the inherent uncertainty of the various potential outcomes of such proceedings. Accordingly, the Corporation’s estimate will change from time-to-time, and actual losses may be more or less than the current estimate. While the final outcome of legal proceedings, claims and other loss contingencies is inherently uncertain, based on information currently available, management believes that the final disposition of the Corporation’s legal proceedings, claims and other loss contingencies, to the extent not previously provided for, will not have a material adverse effect on the Corporation’s consolidated financial position as a whole. If management believes that, based on available information, it is at least reasonably possible that a material loss (or material loss in excess of any accrual) will be incurred in connection with any legal contingencies, the Corporation discloses an estimate of the possible loss or range of loss, either individually or in the aggregate, as appropriate, if such an estimate can be made, or discloses that an estimate cannot be made. Based on the Corporation’s assessment as of March 31, 2021, no such disclosures were necessary.

FIRST BANCORP. (Holding Company

FIRST BANCORP. (Holding Company Only) Financial Information	3 Months Ended
	Mar. 31, 2021
Condensed Financial Information of Parent Company Only Disclosure [Abstract]
FIRST BANCORP. (Holding Company Only) Financial Information [Text Block]	NOTE 30 – FIRST BANCORP. (HOLDING COMPANY ONLY) FINANCIAL INFORMATION The following condensed financial information presents the financial position of First BanCorp. at the holding company level only as of March 31, 2021 and December 31, 2020, and the results of its operations for the quarters ended March 31, 2021 and 2020: Statements of Financial Condition (Unaudited) As of March 31, As of December 31, 2021 2020 (In thousands) Assets Cash and due from banks $ 19,433 $ 10,909 Money market investments - 6,211 Other investment securities 285 285 Investment in First Bank Puerto Rico, at equity 2,340,202 2,396,963 Investment in First Bank Insurance Agency, at equity 45,740 41,313 Investment in FBP Statutory Trust I 1,951 1,951 Investment in FBP Statutory Trust II 3,561 3,561 Other assets 1,616 2,023 Total assets $ 2,412,788 $ 2,463,216 Liabilities and Stockholders' Equity Liabilities: Other borrowings $ 183,762 $ 183,762 Accounts payable and other liabilities 8,601 4,275 Total liabilities 192,363 188,037 Stockholders' equity 2,220,425 2,275,179 Total liabilities and stockholders' equity $ 2,412,788 $ 2,463,216 Statements of Income (Unaudited) Quarter Ended March 31, March 31, 2021 2020 (In thousands) Income: Interest income on money market investments $ 16 $ 33 Dividend income from banking subsidiaries 18,801 13,629 Other income 38 61 18,855 13,723 Expense: Other borrowings 1,294 2,032 Other operating expenses 499 523 1,793 2,555 Income before income taxes and equity in undistributed earnings (losses) of subsidiaries 17,062 11,168 Income tax provision 1,129 1,382 Equity in undistributed earnings (losses) of subsidiaries 45,217 ( 7,520) Net income $ 61,150 $ 2,266 Other comprehensive (loss) income, net of tax ( 98,929) 42,352 Comprehensive (loss) income $ ( 37,779) $ 44,618

SUBSEQUENT EVENTS

SUBSEQUENT EVENTS	3 Months Ended
	Mar. 31, 2021
Subsequent Events [Abstract]
SUBSEQUENT EVENTS [Text Block]	NOTE 31 – SUBSEQUENT EVENTS Management has reviewed the events occurring through the date of this report, and, other than the discussion of the stock repurchase program approved by the Corporation’s Board of Directors included in Note 21 – Stockholders’ Equity above, there were no subsequent events that require additional disclosure or adjustment to the accompanying financial statements .

BUSINESS COMBINATION (Tables)

BUSINESS COMBINATION (Tables)	3 Months Ended
	Mar. 31, 2021
Business Combinations [Abstract]
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]	The following table summarizes the purchase price consideration and estimated fair values of assets acquired and liabilities assumed from BSPR as of September 1, 2020 under the acquisition method of accounting: Fair Value as Originally Measurement Period Fair Value as (In thousands) Recorded Adjustments Remeasured Total purchase price consideration $ 1,277,626 $ 3,382 $ 1,281,008 Fair value of assets acquired: Cash and cash equivalents $ 1,684,252 $ - $ 1,684,252 Investment securities 1,167,225 - 1,167,225 Loans: Residential mortgage loans 807,637 540 808,177 Commercial mortgage loans 740,919 122 741,041 Commercial and Industrial (“C&I”) loans 752,154 ( 390) 751,764 Consumer loans 214,206 ( 488) 213,718 Loans, net 2,514,916 ( 216) 2,514,700 Premises and equipment, net 12,499 - 12,499 Intangible assets 39,232 448 39,680 Other assets 144,008 ( 195) 143,813 Total assets and identifiable intangible assets acquired 5,562,132 37 5,562,169 Fair value of liabilities assumed: Deposits $ 4,194,940 $ - $ 4,194,940 Other liabilities 95,869 865 96,734 Total liabilities assumed 4,290,809 865 4,291,674 Fair value of net assets and identifiable intangible assets acquired 1,271,323 ( 828) 1,270,495 Goodwill $ 6,303 $ 4,210 $ 10,513

EARNINGS PER COMMON SHARE (Tabl

EARNINGS PER COMMON SHARE (Tables)	3 Months Ended
	Mar. 31, 2021
Earnings Per Share [Abstract]
Schedule of Earning Per Share [Table Text Block]	The calculations of earnings per common share for the quarters ended March 31,2021 and 2020 are as follows: Quarter Ended March 31, March 31, 2021 2020 (In thousands, except per share information) Net income $ 61,150 $ 2,266 Less: Preferred stock dividends ( 669) ( 669) Net income attributable to common stockholders $ 60,481 $ 1,597 Weighted-Average Shares: Average common shares outstanding 217,033 216,785 Average potential dilutive common shares 1,244 529 Average common shares outstanding-assuming dilution 218,277 217,314 Earnings per common share: Basic $ 0.28 $ 0.01 Diluted $ 0.28 $ 0.01

STOCK-BASED COMPENSATION (Table

STOCK-BASED COMPENSATION (Tables)	3 Months Ended
	Mar. 31, 2021
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Restricted Stock Activity Under Omnibus Plan	The following table summarizes the restricted stock activity in the first quarter of 2021 under the Omnibus Plan: Quarter Ended March 31, 2021 Number of shares of Weighted-Average restricted Grant Date stock Fair Value Unvested shares outstanding at beginning of period 1,320,723 $ 5.74 Granted 292,201 11.26 Forfeited ( 8,340) 5.98 Vested ( 285,342) 8.41 Unvested shares outstanding as of March 31, 2021 1,319,242 $ 6.38
Share-based Compensation Arrangements by Share-based Payment Award, Performance-Based Units, Vested and Expected to Vest [Table Text Block]	The following table summarizes the performance units activity in the first quarter of 2021 under the Omnibus Plan: Three-Month Period Ended (Number of units) March 31, 2021 Performance units at beginning of year 1,006,768 Additions 160,485 Vested ( 304,408) Performance units at March 31, 2021 862,845

INVESTMENT SECURITIES (Tables)

INVESTMENT SECURITIES (Tables)	3 Months Ended
	Mar. 31, 2021
Other Than Temporary Impairment Credit Losses Recognized In Earnings [Line Items]
Investments Classified by Contractual Maturity Date [Table Text Block]	March 31, 2021 Amortized cost Gross Fair value Unrealized Weighted- Gains Losses ACL average yield % (Dollars in thousands) U.S. Treasury securities: After 1 to 5 years $ 7,482 $ - $ 16 $ - $ 7,466 0.22 U.S. government-sponsored agencies' obligations: Due within one year 17,890 171 - - 18,061 2.00 After 1 to 5 years 751,657 562 8,181 - 744,038 0.57 After 5 to 10 years 623,758 299 15,065 - 608,992 0.84 After 10 years 20,882 - 148 - 20,734 0.65 Puerto Rico government obligations: After 10 years (1) 3,926 - 789 308 2,829 6.97 United States and Puerto Rico government obligations 1,425,595 1,032 24,199 308 1,402,120 0.72 Mortgage-backed securities ("MBS"): Freddie Mac ("FHLMC") certificates: Due within one year 67 7 - - 74 4.85 After 5 to 10 years 60,565 2,334 - - 62,899 2.15 After 10 years 1,347,232 7,516 24,020 - 1,330,728 1.21 1,407,864 9,857 24,020 - 1,393,701 1.25 Ginnie Mae ("GNMA") certificates: Due within one year 1 - - - 1 1.63 After 1 to 5 years 23,917 1,026 - - 24,943 2.91 After 5 to 10 years 36,984 228 195 - 37,017 0.35 After 10 years 504,084 12,743 1,670 - 515,157 1.11 564,986 13,997 1,865 - 577,118 1.14 Fannie Mae ("FNMA") certificates: After 1 to 5 years 24,800 717 - - 25,517 2.81 After 5 to 10 years 133,177 4,015 546 - 136,646 1.84 After 10 years 1,471,162 14,726 22,097 - 1,463,791 1.35 1,629,139 19,458 22,643 - 1,625,954 1.41 Collateralized mortgage obligations issued or guaranteed by the FHLMC, FNMA and GNMA: After 1 to 5 years 446 - 1 - 445 0.78 After 5 to 10 years 40,922 128 336 - 40,714 1.10 After 10 years 362,100 733 5,042 - 357,791 1.45 403,468 861 5,379 - 398,950 1.41 Private label: After 10 years 11,722 - 2,550 875 8,297 2.20 Total MBS 4,017,179 44,173 56,457 875 4,004,020 1.32 Other: After 1 to 5 years 650 - - - 650 2.90 Total investment securities available for sale $ 5,443,424 $ 45,205 $ 80,656 $ 1,183 $ 5,406,790 1.16 __________ December 31, 2020 Amortized cost Gross Fair value Unrealized Weighted- Gains Losses ACL average yield% (Dollars in thousands) U.S. Treasury securities: Due within one year $ 7,498 $ 9 $ - $ - $ 7,507 1.65 U.S. government-sponsored agencies' obligations: Due within one year 24,413 273 - - 24,686 1.95 After 1 to 5 years 691,668 911 290 - 692,289 0.57 After 5 to 10 years 441,454 821 347 - 441,928 0.83 After 10 years 21,413 - 149 - 21,264 0.65 Puerto Rico government obligations: After 10 years (1) 3,987 - 780 308 2,899 6.97 United States and Puerto Rico government obligations 1,190,433 2,014 1,566 308 1,190,573 0.72 MBS: FHLMC certificates: After 1 to 5 years 75 8 - - 83 4.86 After 5 to 10 years 60,773 2,850 - - 63,623 2.15 After 10 years 1,070,984 15,340 159 - 1,086,165 1.38 1,131,832 18,198 159 - 1,149,871 1.42 GNMA certificates: Due within one year 1 - - - 1 1.93 After 1 to 5 years 26,918 1,080 - - 27,998 2.91 After 5 to 10 years 40,727 128 69 - 40,786 0.42 After 10 years 614,584 16,271 148 - 630,707 1.27 682,230 17,479 217 - 699,492 1.29 FNMA certificates: After 1 to 5 years 24,812 891 - - 25,703 2.81 After 5 to 10 years 110,832 5,783 - - 116,615 2.13 After 10 years 1,154,707 23,459 203 - 1,177,963 1.53 1,290,351 30,133 203 - 1,320,281 1.61 Collateralized mortgage obligations issued or guaranteed by the FHLMC, FNMA and GNMA: After 1 to 5 years 538 - 1 - 537 0.81 After 5 to 10 years 18,438 152 - - 18,590 0.80 After 10 years 258,069 1,019 491 - 258,597 1.56 277,045 1,171 492 - 277,724 1.51 Private label After 10 years 12,310 - 2,880 1,002 8,428 2.25 Total MBS 3,393,768 66,981 3,951 1,002 3,455,796 1.47 Other After 1 to 5 years 650 - - - 650 2.94 Total investment securities available for sale $ 4,584,851 $ 68,995 $ 5,517 $ 1,310 $ 4,647,019 1.28
Schedule Of Unrealized Loss On Investments [Table Text Block]	As of March 31, 2021 Less than 12 months 12 months or more Total Unrealized Unrealized Unrealized Fair Value Losses Fair Value Losses Fair Value Losses (In thousands) Debt securities: Puerto Rico-government obligations $ - $ - $ 2,829 $ 789 $ 2,829 $ 789 U.S. Treasury and U.S. government agenciesʼ obligations 1,234,071 23,236 27,332 174 1,261,403 23,410 MBS: FNMA 1,138,051 22,643 - - 1,138,051 22,643 FHLMC 1,025,221 24,020 - - 1,025,221 24,020 GNMA 116,960 1,865 - - 116,960 1,865 Collateralized mortgage obligations issued or guaranteed by the FHLMC, FNMA and GNMA 285,821 5,278 9,300 101 295,121 5,379 Private label MBS - - 8,297 2,550 8,297 2,550 $ 3,800,124 $ 77,042 $ 47,758 $ 3,614 $ 3,847,882 $ 80,656 As of December 31, 2020 Less than 12 months 12 months or more Total Unrealized Unrealized Unrealized Fair Value Losses Fair Value Losses Fair Value Losses (In thousands) Debt securities: Puerto Rico-government obligations $ - $ - $ 2,899 $ 780 $ 2,899 $ 780 U.S. Treasury and U.S. government agenciesʼ obligations 425,155 621 23,377 165 448,532 786 MBS: FNMA 93,509 203 - - 93,509 203 FHLMC 89,292 159 - - 89,292 159 GNMA 70,504 217 - - 70,504 217 Collateralized mortgage obligations issued or guaranteed by the FHLMC, FNMA and GNMA 104,500 410 9,761 82 114,261 492 Private label MBS - - 8,428 2,880 8,428 2,880 $ 782,960 $ 1,610 $ 44,465 $ 3,907 $ 827,425 $ 5,517
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block]	The tables below present qualitative information for significant assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) as of March 31, 2021 and December 31, 2020: March 31, 2021 Range Weighted Average (In thousands) Fair Value Valuation Technique Unobservable Input Minimum Maximum Investment securities available-for-sale: Private label MBS $ 8,297 Discounted cash flows Discount rate 12.9% 12.9% 12.9% Prepayment rate 0.7% 21.9% 13.6% Projected Cumulative Loss Rate 0.1% 17.8% 7.7% Puerto Rico government obligations 2,829 Discounted cash flows Discount rate 7.3 7.3 7.3 Projected Cumulative Loss Rate 10.1% 10.1% 10.1% December 31, 2020 Range Weighted (In thousands) Fair Value Valuation Technique Unobservable Input Minimum Maximum Average Investment securities available-for-sale: Private label MBS $ 8,428 Discounted cash flows Discount rate 12.2% 12.2% 12.2% Prepayment rate 1.2% 18.8% 12.1% Projected Cumulative Loss Rate 2.6% 22.3% 10.2% Puerto Rico government obligations 2,899 Discounted cash flows Discount rate 7.9% 7.9% 7.9% Projected Cumulative Loss Rate 12.4% 12.4% 12.4%
Debt Securities, Available-for-sale, Allowance for Credit Loss [Table Text Block]	The following table presents a rollforward by major security type for the quarter ended March 31, 2021 and 2020 of the ACL on debt securities available-for-sale: Quarter Ended March 31, 2021 Private label Puerto Rico Government MBS Obligations Total (In thousands) Beginning Balance $ 1,002 $ 308 $ 1,310 Release for securities for which previous expected credit losses were recognized (provision for credit losses - benefit) ( 127) - ( 127) ACL on debt securities available-for-sale $ 875 308 1,183 Quarter Ended March 31, 2020 Private label Puerto Rico Government MBS Obligations Total (In thousands) Beginning Balance $ - $ - $ - Impact of adopting CECL - - - Addition for securities for which previous expected credit losses were recognized (provision for credit losses - expense) 368 - 368 ACL on debt securities available-for-sale $ 368 - 368
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Table Text Block]	The following table presents the activity in the ACL for debt securities held-to-maturity by major security type for the quarters ended March 31, 2021 and 2020, respectively: Quarter Ended March 31, 2021 2020 Puerto Rico Puerto Rico Municipal Bonds Municipal Bonds (In thousands) Beginning balance $ 8,845 $ - Impact of adopting CECL - 8,134 Addition for securities for which no previous expected credit losses were recognized (provision for credit losses) - 1,134 Addition for securities for which previous expected credit losses were recognized (provision for credit losses) 24 - $ 8,869 $ 9,268
Debt Securities, Held-to-maturity, Credit Quality Indicator [Table Text Block]	The following table summarizes the amortized cost of the Puerto Rico municipal bonds, which are the Corporation’s only debt securities held-to-maturity, as of March 31, 2021 and December 31, 2020 aggregated by credit quality indicator: Held to Maturity Puerto Rico Municipal Bonds March 31, December 31 (In thousands) 2021 2020 Risk Ratings: Pass $ 189,680 $ 189,488 Criticized: Special Mention - - Substandard - - Doubtful - - Loss - - Total $ 189,680 $ 189,488
Available-for-sale Securities [Member]
Other Than Temporary Impairment Credit Losses Recognized In Earnings [Line Items]
Investments Classified by Contractual Maturity Date [Table Text Block]	The amortized cost, gross unrealized gains and losses recorded in other comprehensive income (loss), ACL, estimated fair value, and weighted-average yield of investment securities available for sale by contractual maturities as of March 31, 2021 were as follows: The amortized cost, gross unrealized gains and losses recorded in other comprehensive income (loss), ACL, estimated fair value, and weighted-average yield of investment securities available for sale by contractual maturities as of December 31, 2020 were as follows:
Available-for-sale Securities [Member] | Mortgage-backed Securities, Issued by Private Enterprises [Member]
Other Than Temporary Impairment Credit Losses Recognized In Earnings [Line Items]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block]	The Corporation determined the ACL for private label MBS based on a risk-adjusted discounted cash flow methodology that considers the structure and terms of the instruments. The Corporation utilized probability of default (“PDs”) and loss given default (“LGDs”) that considered, among other things, historical payment performance, loan-to value attributes and relevant current and forward-looking macroeconomic variables, such as regional unemployment rates and the housing price index. Under this approach, all future cash flows (interest and principal) from the underlying collateral loans, adjusted by prepayments and the PDs and LGDs, were discounted at the effective interest rate as of the reporting date. Significant assumptions in the valuation of the private label MBS were as follows: As of As of March 31, 2021 December 31, 2020 Weighted Range Weighted Range Average Minimum Maximum Average Minimum Maximum Discount rate 12.9% 12.9% 12.9% 12.2% 12.2% 12.2% Prepayment rate 13.6% 0.7% 21.9% 12.1% 1.2% 18.8% Projected Cumulative Loss Rate 7.7% 0.1% 17.8% 10.2% 2.6% 22.3%
Held-to-maturity Securities [Member]
Other Than Temporary Impairment Credit Losses Recognized In Earnings [Line Items]
Investments Classified by Contractual Maturity Date [Table Text Block]	The amortized cost, gross unrecognized gains and losses, estimated fair value, ACL, weighted-average yield and contractual maturities of investment securities held to maturity as of March 31, 2021 and December 31, 2020 were as follows: March 31, 2021 Amortized cost Fair value Gross Unrecognized ACL Weighted - average yield % (Dollars in thousands) Gains Losses Puerto Rico municipal bonds: Due within one year $ 2,968 $ 3 $ 26 $ 2,945 $ 52 5.38 After 1 to 5 years 14,843 659 136 15,366 601 2.57 After 5 to 10 years 88,564 1,603 1,568 88,599 3,967 4.65 After 10 years 83,305 - 11,901 71,404 4,249 3.57 Total investment securities held to maturity $ 189,680 $ 2,265 $ 13,631 $ 178,314 $ 8,869 4.03 December 31, 2020 Amortized cost Fair value Gross Unrecognized Weighted - average yield % (Dollars in thousands) Gains Losses ACL Puerto Rico municipal bonds: Due within one year $ 556 $ 7 $ - $ 563 $ - 5.41 After 1 to 5 years 17,297 561 305 17,553 576 3.00 After 5 to 10 years 88,394 1,388 3,146 86,636 4,401 4.66 After 10 years 83,241 - 14,187 69,054 3,868 3.57 Total investment securities held to maturity $ 189,488 $ 1,956 $ 17,638 $ 173,806 $ 8,845 4.03
Schedule Of Unrealized Loss On Investments [Table Text Block]	The following tables show the Corporation’s held-to-maturity investments’ fair value and gross unrecognized losses, aggregated by investment category and length of time that individual securities had been in a continuous unrecognized loss position, as of March 31, 2021 and December 31, 2020, including debt securities for which an ACL was recorded. As of March 31, 2021 Less than 12 months 12 months or more Total Unrecognized Unrecognized Unrecognized Fair Value Losses Fair Value Losses Fair Value Losses (In thousands) Debt securities: Puerto Rico municipal bonds $ 24,566 $ 1,002 $ 116,302 $ 12,629 $ 140,868 $ 13,631 As of December 31, 2020 Less than 12 months 12 months or more Total Unrecognized Unrecognized Unrecognized Fair Value Losses Fair Value Losses Fair Value Losses (In thousands) Debt securities: Puerto Rico municipal bonds $ 28,252 $ 1,611 $ 116,216 $ 16,027 $ 144,468 $ 17,638

LOANS HELD FOR INVESTMENT (Tabl

LOANS HELD FOR INVESTMENT (Tables)	3 Months Ended
	Mar. 31, 2021
Accounts Notes And Loans Receivable [Line Items]
Loan Portfolio Held for Investment [Table Text Block]	The following provides information about the loan portfolio held for investment as of the indicated dates: As of March 31, As of December 31, 2021 2020 (In thousands) Residential mortgage loans, mainly secured by first mortgages $ 3,395,081 $ 3,521,954 Construction loans 190,996 212,500 Commercial mortgage loans 2,216,887 2,230,602 C&I loans (1) (2) (3) 3,182,706 3,202,590 Consumer loans 2,656,189 2,609,643 Loans held for investment (4) 11,641,859 11,777,289 ACL on loans and finance leases ( 358,936) ( 385,887) Loans held for investment, net $ 11,282,923 $ 11,391,402
Corporation's Nonaccrual Status and Loans 90 Days or More Still Accruing [Table text Block]	The following tables present by portfolio classes the amortized cost basis of loans on nonaccrual status and loans past due 90 days or more and still accruing as of March 31, 2021 and the interest income recognized on nonaccrual loans for the quarters ended March 31, 2021 and 2020: As of March 31, 2021 Quarter Ended March 31, 2021 Quarter Ended March 31, 2020 Puerto Rico and Virgin Islands region Nonaccrual Loans with No ACL Nonaccrual Loans with ACL Total Nonaccrual Loans (2) Loans Past Due 90 days or more and Still Accruing (3) Interest Income Recognized on Nonaccrual Loans Interest Income Recognized on Nonaccrual Loans (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA\VA government-guaranteed $ - $ - $ - $ 98,957 $ - $ - Conventional residential mortgage loans 13,735 104,067 117,802 38,615 312 294 Construction loans 4,703 1,675 6,378 600 15 20 Commercial mortgage loans 13,248 15,300 28,548 2,993 50 74 C&I loans 13,176 5,416 18,592 11,498 17 32 Consumer Loans: Auto loans 1 8,901 8,902 - 22 50 Finance leases - 967 967 - 1 11 Personal loans - 1,327 1,327 - 28 19 Credit cards - - - 6,682 - - Other consumer loans - 2,942 2,942 2 - 5 Total loans held for investment (1) $ 44,863 $ 140,595 $ 185,458 $ 159,347 $ 445 $ 505 As of March 31, 2021 Quarter Ended March 31, 2021 Quarter Ended March 31, 2020 Florida region Nonaccrual Loans with No ACL Nonaccrual Loans with ACL Total Nonaccrual Loans Loans Past Due 90 days or more and Still Accruing Interest Income Recognized on Nonaccrual Loans Interest Income Recognized on Nonaccrual Loans (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA\VA government-guaranteed $ - $ - $ - $ 250 $ - $ - Conventional residential mortgage loans 2,704 11,833 14,537 - 64 83 Construction loans - - - - - - Commercial mortgage loans - - - - - - C&I loans 536 - 536 - 18 19 Consumer Loans: Auto loans - 34 34 - - 2 Finance leases - - - - - - Personal loans - - - - - 2 Credit cards - - - - - - Other consumer loans - 536 536 - 5 4 Total loans held for investment (1) $ 3,240 $ 12,403 $ 15,643 $ 250 $ 87 $ 110 As of March 31, 2021 Quarter Ended March 31, 2021 Quarter Ended March 31, 2020 Total Nonaccrual Loans with No ACL Nonaccrual Loans with ACL Total Nonaccrual Loans (2) Loans Past Due 90 days or more and Still Accruing (3) Interest Income Recognized on Nonaccrual Loans Interest Income Recognized on Nonaccrual Loans (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA\VA government-guaranteed $ - $ - $ - $ 99,207 $ - $ - Conventional residential mortgage loans 16,439 115,900 132,339 38,615 376 377 Construction loans 4,703 1,675 6,378 600 15 20 Commercial mortgage loans 13,248 15,300 28,548 2,993 50 74 C&I loans 13,712 5,416 19,128 11,498 35 51 Consumer Loans: Auto loans 1 8,935 8,936 - 22 52 Finance leases - 967 967 - 1 11 Personal loans - 1,327 1,327 - 28 21 Credit cards - - - 6,682 - - Other consumer loans - 3,478 3,478 2 5 9 Total loans held for investment (1) $ 48,103 $ 152,998 $ 201,101 $ 159,597 $ 532 $ 615 The following tables present by portfolio classes the amortized cost basis of loans on nonaccrual status and loans past due 90 days or more still accruing as of December 31, 2020: As of December 31, 2020 Puerto Rico and Virgin Islands region Nonaccrual Loans with No ACL Nonaccrual Loans with ACL Total Nonaccrual Loans (2) Loans Past Due 90 days or more and Still Accruing (3) (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA\VA government-guaranteed $ - $ - $ - $ 98,993 Conventional residential mortgage loans 12,418 98,527 110,945 38,834 Construction loans 4,546 8,425 12,971 - Commercial mortgage loans 11,777 17,834 29,611 3,252 C&I loans 14,824 5,496 20,320 2,246 Consumer Loans: Auto loans 26 8,638 8,664 - Finance leases - 1,466 1,466 - Personal loans - 1,623 1,623 - Credit cards - - - 1,520 Other consumer loans - 3,682 3,682 - Total loans held for investment (1) $ 43,591 $ 145,691 $ 189,282 $ 144,845 As of December 31, 2020 Florida region Nonaccrual Loans with No ACL Nonaccrual Loans with ACL Total Nonaccrual Loans Loans Past Due 90 days or more and Still Accruing (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA\VA government-guaranteed $ - $ - $ - $ 250 Conventional residential mortgage loans 2,584 11,838 14,422 - Construction loans - - - - Commercial mortgage loans - - - - C&I loans 561 - 561 - Consumer Loans: Auto loans - 223 223 - Finance leases - - - - Personal loans - - - - Credit cards - - - - Other consumer loans - 601 601 - Total loans held for investment (1) $ 3,145 $ 12,662 $ 15,807 $ 250 As of December 31, 2020 Total Nonaccrual Loans with No ACL Nonaccrual Loans with ACL Total Nonaccrual Loans (2) Loans Past Due 90 days or more and Still Accruing (3) (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA\VA government-guaranteed $ - $ - $ - $ 99,243 Conventional residential mortgage loans 15,002 110,365 125,367 38,834 Construction loans 4,546 8,425 12,971 - Commercial mortgage loans 11,777 17,834 29,611 3,252 C&I loans 15,385 5,496 20,881 2,246 Consumer Loans: Auto loans 26 8,861 8,887 - Finance leases - 1,466 1,466 - Personal loans - 1,623 1,623 - Credit cards - - - 1,520 Other consumer loans - 4,283 4,283 - Total loans held for investment (1) $ 46,736 $ 158,353 $ 205,089 $ 145,095
Corporation's Aging of the Loans Held for Investment by Portfolio Classes [Table text Block]	The Corporation’s aging of the loan portfolio held for investment by portfolio classes as of March 31, 2021 is as follows: As of March 31, 2021 Puerto Rico and Virgin Islands region 30-59 Days Past Due 60-89 Days Past Due 90 days or more Past Due (1) (2) (3) Total Past Due Current Total loans held for investment (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA/VA government-guaranteed loans (2) (3) (4) $ - $ 2,236 $ 98,957 $ 101,193 $ 53,560 $ 154,753 Conventional residential mortgage loans (4) - 41,520 156,417 197,937 2,551,202 2,749,139 Commercial loans: Construction loans (4) 2,582 - 6,978 9,560 59,725 69,285 Commercial mortgage loans (4) 1,613 34,340 31,541 67,494 1,758,251 1,825,745 C&I loans 7,563 6,974 30,090 44,627 2,179,386 2,224,013 Consumer loans: Auto loans 19,243 2,999 8,902 31,144 1,309,522 1,340,666 Finance leases 4,637 478 967 6,082 487,538 493,620 Personal loans 3,252 1,399 1,327 5,978 351,411 357,389 Credit cards 2,853 1,879 6,682 11,414 294,959 306,373 Other consumer loans 2,061 1,002 2,944 6,007 128,729 134,736 Total loans held for investment $ 43,804 $ 92,827 $ 344,805 $ 481,436 $ 9,174,283 $ 9,655,719 As of March 31, 2021 Florida region 30-59 Days Past Due 60-89 Days Past Due 90 days or more Past Due (1) (2) Total Past Due Current Total loans held for investment (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA/VA government-guaranteed loans (2) $ - $ - $ 250 $ 250 $ 631 $ 881 Conventional residential mortgage loans (3) - 4,072 14,537 18,609 471,699 490,308 Commercial loans: Construction loans - - - - 121,711 121,711 Commercial mortgage loans (3) - - - - 391,142 391,142 C&I loans 868 1,367 536 2,771 955,922 958,693 Consumer loans: Auto loans 328 159 34 521 14,805 15,326 Finance leases - - - - - - Personal loans - - - - 156 156 Credit cards - - - - - - Other consumer loans 23 - 536 559 7,364 7,923 Total loans held for investment $ 1,219 $ 5,598 $ 15,893 $ 22,710 $ 1,963,430 $ 1,986,140 As of March 31, 2021 Total 30-59 Days Past Due 60-89 Days Past Due 90 days or more Past Due (1) (2) (3) Total Past Due Current Total loans held for investment (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA/VA government-guaranteed loans (2) (3) (4) $ - $ 2,236 $ 99,207 $ 101,443 $ 54,191 $ 155,634 Conventional residential mortgage loans (4) - 45,592 170,954 216,546 3,022,901 3,239,447 Commercial loans: Construction loans (4) 2,582 - 6,978 9,560 181,436 190,996 Commercial mortgage loans (4) 1,613 34,340 31,541 67,494 2,149,393 2,216,887 C&I loans 8,431 8,341 30,626 47,398 3,135,308 3,182,706 Consumer loans: Auto loans 19,571 3,158 8,936 31,665 1,324,327 1,355,992 Finance leases 4,637 478 967 6,082 487,538 493,620 Personal loans 3,252 1,399 1,327 5,978 351,567 357,545 Credit cards 2,853 1,879 6,682 11,414 294,959 306,373 Other consumer loans 2,084 1,002 3,480 6,566 136,093 142,659 Total loans held for investment $ 45,023 $ 98,425 $ 360,698 $ 504,146 $ 11,137,713 $ 11,641,859 The Corporation’s aging of the loan portfolio held for investment by portfolio classes as of December 31, 2020 is as follows: As of December 31, 2020 Puerto Rico and Virgin Islands region 30-59 Days Past Due 60-89 Days Past Due 90 days or more Past Due (1) (2) (3) Total Past Due Current Total loans held for investment (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA/VA government-guaranteed loans (2) (3) (4) $ - $ 2,223 $ 98,993 $ 101,216 $ 48,348 $ 149,564 Conventional residential mortgage loans (4) - 61,040 149,779 210,819 2,641,820 2,852,639 Commercial loans: Construction loans (4) - 19 12,971 12,990 72,026 85,016 Commercial mortgage loans (4) 5,071 6,588 32,863 44,522 1,808,702 1,853,224 C&I loans 3,283 10,692 22,566 36,541 2,228,190 2,264,731 Consumer loans: Auto loans 24,025 5,992 8,664 38,681 1,239,445 1,278,126 Finance leases 5,059 1,086 1,466 7,611 465,378 472,989 Personal loans 4,034 1,981 1,623 7,638 364,373 372,011 Credit cards 3,528 5,842 1,518 10,888 308,936 319,824 Other consumer loans 2,143 993 3,684 6,820 133,162 139,982 Total loans held for investment $ 47,143 $ 96,456 $ 334,127 $ 477,726 $ 9,310,380 $ 9,788,106 As of December 31, 2020 Florida region 30-59 Days Past Due 60-89 Days Past Due 90 days or more Past Due (1) (2) Total Past Due Current Total loans held for investment (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA/VA government-guaranteed loans (2) (3) $ - $ - $ 250 $ 250 $ 920 $ 1,170 Conventional residential mortgage loans (3) - 3,237 14,422 17,659 500,922 518,581 Commercial loans: Construction loans - - - - 127,484 127,484 Commercial mortgage loans - - - - 377,378 377,378 C&I loans 218 - 561 779 937,080 937,859 Consumer loans: Auto loans 710 297 223 1,230 17,068 18,298 Finance leases - - - - - - Personal loans - - - - 157 157 Credit cards - - - - - - Other consumer loans 58 - 601 659 7,597 8,256 Total loans held for investment $ 986 $ 3,534 $ 16,057 $ 20,577 $ 1,968,606 $ 1,989,183 As of December 31, 2020 Total 30-59 Days Past Due 60-89 Days Past Due 90 days or more Past Due (1) (2) (3) Total Past Due Current Total loans held for investment (In thousands) Residential mortgage loans, mainly secured by first mortgages: FHA/VA government-guaranteed loans (2) (3) (4) $ - $ 2,223 $ 99,243 $ 101,466 $ 49,268 $ 150,734 Conventional residential mortgage loans (4) - 64,277 164,201 228,478 3,142,742 3,371,220 Commercial loans: Construction loans (4) - 19 12,971 12,990 199,510 212,500 Commercial mortgage loans (4) 5,071 6,588 32,863 44,522 2,186,080 2,230,602 C&I loans 3,501 10,692 23,127 37,320 3,165,270 3,202,590 Consumer loans: Auto loans 24,735 6,289 8,887 39,911 1,256,513 1,296,424 Finance leases 5,059 1,086 1,466 7,611 465,378 472,989 Personal loans 4,034 1,981 1,623 7,638 364,530 372,168 Credit cards 3,528 5,842 1,518 10,888 308,936 319,824 Other consumer loans 2,201 993 4,285 7,479 140,759 148,238 Total loans held for investment $ 48,129 $ 99,990 $ 350,184 $ 498,303 $ 11,278,986 $ 11,777,289
Corporation's Credit Quality Indicators [Table text Block]	Based on the most recent analysis performed, the amortized cost of commercial and construction loans by portfolio classes and by origination year based on the internal credit-risk category as of March 31, 2021 and the amortized cost of commercial and construction loans by portfolio classes based on the internal credit-risk category as of December 31, 2020 was as follows: As of March 31, 2021 Puerto Rico and Virgin Islands region Term Loans As of December 31, 2020 Amortized Cost Basis by Origination Year (1) (In thousands) 2021 2020 2019 2018 2017 Prior Revolving Loans Amortized Cost Basis Total Total CONSTRUCTION Risk Ratings: Pass $ 413 $ 13,128 $ 39,238 $ 1,722 $ 345 $ 4,735 $ - $ 59,581 $ 68,836 Criticized: Special Mention - - 773 - - - - 773 776 Substandard - - - 4,719 - 4,212 - 8,931 15,404 Doubtful - - - - - - - - - Loss - - - - - - - - - Total construction loans $ 413 $ 13,128 $ 40,011 $ 6,441 $ 345 $ 8,947 $ - $ 69,285 $ 85,016 COMMERCIAL MORTGAGE Risk Ratings: Pass $ 7,551 $ 378,746 $ 254,532 $ 191,156 $ 176,815 $ 442,414 $ 517 $ 1,451,731 $ 1,511,827 Criticized: Special Mention 3,893 10,940 88,216 51,964 119,255 22,328 - 296,596 292,736 Substandard 380 9 - 20,833 6,512 49,684 - 77,418 48,661 Doubtful - - - - - - - - - Loss - - - - - - - - - Total commercial mortgage loans $ 11,824 $ 389,695 $ 342,748 $ 263,953 $ 302,582 $ 514,426 $ 517 $ 1,825,745 $ 1,853,224 COMMERCIAL AND INDUSTRIAL Risk Ratings: Pass $ 148,061 $ 427,172 $ 359,390 $ 228,155 $ 207,773 $ 244,150 $ 465,973 $ 2,080,674 $ 2,155,226 Criticized: Special Mention - - 1,553 - 827 48,745 13,744 64,869 59,421 Substandard 774 1,972 14,747 2,631 18,359 32,753 7,234 78,470 50,084 Doubtful - - - - - - - - - Loss - - - - - - - - - Total commercial and industrial loans $ 148,835 $ 429,144 $ 375,690 $ 230,786 $ 226,959 $ 325,648 $ 486,951 $ 2,224,013 $ 2,264,731 (1) Excludes accrued interest receivable. As of March 31, 2021 Term Loans As of December 31, 2020 Florida region Amortized Cost Basis by Origination Year (1) (In thousands) 2021 2020 2019 2018 2017 Prior Revolving Loans Amortized Cost Basis Total Total CONSTRUCTION Risk Ratings: Pass $ 366 $ 65,034 $ 16,313 $ 39,998 $ - $ - $ - $ 121,711 $ 127,484 Criticized: Special Mention - - - - - - - - - Substandard - - - - - - - - - Doubtful - - - - - - - - - Loss - - - - - - - - - Total construction loans $ 366 $ 65,034 $ 16,313 $ 39,998 $ - $ - $ - $ 121,711 $ 127,484 COMMERCIAL MORTGAGE Risk Ratings: Pass $ 17,785 $ 47,927 $ 80,398 $ 50,093 $ 49,676 $ 46,019 $ 15,992 $ 307,890 $ 291,627 Criticized: Special Mention - 16,806 24,130 6,782 5,351 27,911 1,950 82,930 85,427 Substandard - - - - - 322 - 322 324 Doubtful - - - - - - - - - Loss - - - - - - - - - Total commercial mortgage loans $ 17,785 $ 64,733 $ 104,528 $ 56,875 $ 55,027 $ 74,252 $ 17,942 $ 391,142 $ 377,378 COMMERCIAL AND INDUSTRIAL Risk Ratings: Pass $ 79,107 $ 172,942 $ 269,070 $ 87,128 $ 73,201 $ 53,469 $ 135,154 $ 870,071 $ 823,124 Criticized: Special Mention - 3,002 47,317 12,147 - - - 62,466 73,974 Substandard - 24,157 - - - 1,664 335 26,156 40,761 Doubtful - - - - - - - - - Loss - - - - - - - - - Total commercial and industrial loans $ 79,107 $ 200,101 $ 316,387 $ 99,275 $ 73,201 $ 55,133 $ 135,489 $ 958,693 $ 937,859 (1) Excludes accrued interest receivable. As of March 31, 2021 Total Term Loans As of December 31, 2020 Amortized Cost Basis by Origination Year (1) (In thousands) 2021 2020 2019 2018 2017 Prior Revolving Loans Amortized Cost Basis Total Total CONSTRUCTION Risk Ratings: Pass $ 779 $ 78,162 $ 55,551 $ 41,720 $ 345 $ 4,735 $ - $ 181,292 $ 196,320 Criticized: Special Mention - - 773 - - - - 773 776 Substandard - - - 4,719 - 4,212 - 8,931 15,404 Doubtful - - - - - - - - - Loss - - - - - - - - - Total construction loans $ 779 $ 78,162 $ 56,324 $ 46,439 $ 345 $ 8,947 $ - $ 190,996 $ 212,500 COMMERCIAL MORTGAGE Risk Ratings: Pass $ 25,336 $ 426,673 $ 334,930 $ 241,249 $ 226,491 $ 488,433 $ 16,509 $ 1,759,621 $ 1,803,454 Criticized: Special Mention 3,893 27,746 112,346 58,746 124,606 50,239 1,950 379,526 378,163 Substandard 380 9 - 20,833 6,512 50,006 - 77,740 48,985 Doubtful - - - - - - - - - Loss - - - - - - - - - Total commercial mortgage loans $ 29,609 $ 454,428 $ 447,276 $ 320,828 $ 357,609 $ 588,678 $ 18,459 $ 2,216,887 $ 2,230,602 COMMERCIAL AND INDUSTRIAL Risk Ratings: Pass $ 227,168 $ 600,114 $ 628,460 $ 315,283 $ 280,974 $ 297,619 $ 601,127 $ 2,950,745 $ 2,978,350 Criticized: Special Mention - 3,002 48,870 12,147 827 48,745 13,744 127,335 133,395 Substandard 774 26,129 14,747 2,631 18,359 34,417 7,569 104,626 90,845 Doubtful - - - - - - - - - Loss - - - - - - - - - Total commercial and industrial loans $ 227,942 $ 629,245 $ 692,077 $ 330,061 $ 300,160 $ 380,781 $ 622,440 $ 3,182,706 $ 3,202,590 (1) Excludes accrued interest receivable. The following table presents the amortized cost of residential mortgage loans by origination year based on original loan-to-value-ratio (LTV) and original credit scores as of March 31, 2021 and the amortized cost in residential mortgage loans by original LTV and original credit scores as of December 31, 2020: As of March 31, 2021 As of December 31, 2020 Term Loans RESIDENTIAL MORTGAGES Amortized Cost Basis by Origination Year (1) (In thousands) 2021 2020 2019 2018 2017 Prior Revolving Loans Amortized Cost Basis Total Total Puerto Rico and Virgin Islands region: FHA/VA government-guaranteed loans $ - $ 260 $ 771 $ 2,809 $ 5,139 $ 145,774 $ - $ 154,753 $ 149,564 Conventional residential mortgage loans: Original LTV: Less than or equal to 90 percent 12,057 37,740 59,217 91,367 62,453 1,692,678 - 1,955,512 2,029,177 Greater than 90 percent but less than or equal to 100 percent - 1,508 6,696 7,541 5,355 675,467 - 696,567 725,049 Greater than 100 percent 497 - 936 5,416 2,591 87,620 - 97,060 98,413 Total residential mortgages in Puerto Rico and Virgin Islands region $ 12,554 $ 39,508 $ 67,620 $ 107,133 $ 75,538 $ 2,601,539 $ - $ 2,903,892 $ 3,002,203 Florida region: FHA/VA government-guaranteed loans $ - $ - $ - $ - $ - $ 881 $ - $ 881 $ 1,170 Conventional residential mortgage loans: Original LTV: Less than or equal to 90 percent 8,791 37,401 47,886 56,693 80,839 241,325 - 472,935 497,410 Greater than 90 percent but less than or equal to 100 percent 1,241 4,180 1,919 2,658 4,054 3,321 - 17,373 21,171 Greater than 100 percent - - - - - - - - - Total residential mortgages in Florida region $ 10,032 $ 41,581 $ 49,805 $ 59,351 $ 84,893 $ 245,527 $ - $ 491,189 $ 519,751 Total: FHA/VA government-guaranteed loans $ - $ 260 $ 771 $ 2,809 $ 5,139 $ 146,655 $ - $ 155,634 $ 150,734 Conventional residential mortgage loans: Original LTV: Less than or equal to 90 percent 20,848 75,141 107,103 148,060 143,292 1,934,003 - 2,428,447 2,526,587 Greater than 90 percent but less than or equal to 100 percent 1,241 5,688 8,615 10,199 9,409 678,788 - 713,940 746,220 Greater than 100 percent 497 - 936 5,416 2,591 87,620 - 97,060 98,413 Total residential mortgages $ 22,586 $ 81,089 $ 117,425 $ 166,484 $ 160,431 $ 2,847,066 $ - $ 3,395,081 $ 3,521,954 (1) Excludes accrued interest receivable. As of March 31, 2021 As of December 31, 2020 Term Loans RESIDENTIAL MORTGAGES Amortized Cost Basis by Origination Year (1) (In thousands) 2021 2020 2019 2018 2017 Prior Revolving Loans Amortized Cost Basis Total Total Puerto Rico and Virgin Islands region: FHA/VA government-guaranteed loans $ - $ 260 $ 771 $ 2,809 $ 5,139 $ 145,774 $ - $ 154,753 $ 149,564 Conventional residential mortgage loans: Original FICO Score: Less than 620 - 44 77 462 54 316,742 - 317,379 326,190 Greater than or equal to 620 and less than 680 2,083 2,136 3,562 8,300 6,759 504,205 - 527,045 541,309 Greater than or equal to 680 and less than 740 2,123 14,879 23,888 36,474 24,156 712,150 - 813,670 841,797 Greater than or equal to 740 8,348 22,189 39,322 59,088 39,430 922,668 - 1,091,045 1,143,343 Total residential mortgages in Puerto Rico and Virgin Islands region $ 12,554 $ 39,508 $ 67,620 $ 107,133 $ 75,538 $ 2,601,539 $ - $ 2,903,892 $ 3,002,203 Florida region: FHA/VA government-guaranteed loans $ - $ - $ - $ - $ - $ 881 $ - $ 881 $ 1,170 Conventional residential mortgage loans: Original FICO Score: Less than 620 - - - 2,071 - 520 - 2,591 3,330 Greater than or equal to 620 and less than 680 2,778 3,584 5,041 3,416 7,904 25,124 - 47,847 48,420 Greater than or equal to 680 and less than 740 3,059 11,636 14,094 13,608 26,851 59,204 - 128,452 139,197 Greater than or equal to 740 4,195 26,361 30,670 40,256 50,138 159,798 - 311,418 327,634 Total residential mortgages in Florida region $ 10,032 $ 41,581 $ 49,805 $ 59,351 $ 84,893 $ 245,527 $ - $ 491,189 $ 519,751 Total: FHA/VA government-guaranteed loans $ - $ 260 $ 771 $ 2,809 $ 5,139 $ 146,655 $ - $ 155,634 $ 150,734 Conventional residential mortgage loans: Original FICO Score: Less than 620 - 44 77 2,533 54 317,262 - 319,970 329,520 Greater than or equal to 620 and less than 680 4,861 5,720 8,603 11,716 14,663 529,329 - 574,892 589,729 Greater than or equal to 680 and less than 740 5,182 26,515 37,982 50,082 51,007 771,354 - 942,122 980,994 Greater than or equal to 740 12,543 48,550 69,992 99,344 89,568 1,082,466 - 1,402,463 1,470,977 Total residential mortgages $ 22,586 $ 81,089 $ 117,425 $ 166,484 $ 160,431 $ 2,847,066 $ - $ 3,395,081 $ 3,521,954 (1) Excludes accrued interest receivable. The following table present the amortized cost of consumer loans by origination year based on original credit scores as of March 31, 2021 and the amortized cost of consumer loans based on original credit scores as of December 31, 2020: CONSUMER As of March 31, 2021 Term Loans As of December 31, 2020 Puerto Rico and Virgin Islands region Amortized Cost Basis by Origination Year (1) (In thousands) 2021 2020 2019 2018 2017 Prior Revolving Loans Amortized Cost Basis Total Total Auto loans Original FICO score: Less than 620 $ 41,287 $ 39,951 $ 42,714 $ 21,462 $ 9,474 $ 9,562 $ - $ 164,450 $ 135,006 Greater than or equal to 620 and less than 680 34,590 127,583 132,815 81,162 33,377 23,228 - 432,755 430,434 Greater than or equal to 680 and less than 740 38,936 130,222 117,051 67,544 29,534 19,722 - 403,009 392,871 Greater than or equal to 740 42,991 123,163 89,965 44,546 23,269 16,518 - 340,452 319,815 Total auto loans $ 157,804 $ 420,919 $ 382,545 $ 214,714 $ 95,654 $ 69,030 $ - $ 1,340,666 $ 1,278,126 Finance leases Original FICO score: Less than 620 $ 8,787 $ 2,984 $ 4,991 $ 3,781 $ 1,621 $ 618 $ - $ 22,782 $ 15,182 Greater than or equal to 620 and less than 680 8,224 28,293 33,814 25,372 10,490 5,483 - 111,676 111,180 Greater than or equal to 680 and less than 740 17,024 52,349 55,348 43,384 16,343 12,083 - 196,531 191,846 Greater than or equal to 740 16,695 48,613 47,522 31,033 8,307 10,461 - 162,631 154,781 Total finance leases $ 50,730 $ 132,239 $ 141,675 $ 103,570 $ 36,761 $ 28,645 $ - $ 493,620 $ 472,989 Personal loans Original FICO score: Less than 620 $ 19,204 $ 1,580 $ 2,298 $ 1,842 $ 1,117 $ 2,768 $ - $ 28,809 $ 10,950 Greater than or equal to 620 and less than 680 175 8,934 21,898 8,609 3,275 2,050 - 44,941 49,665 Greater than or equal to 680 and less than 740 1,378 32,805 58,978 27,256 14,108 11,546 - 146,071 160,480 Greater than or equal to 740 1,309 28,723 50,926 28,111 14,129 10,705 - 133,903 146,622 Unscorable - 631 1,625 567 362 480 - 3,665 4,294 Total personal loans $ 22,066 $ 72,673 $ 135,725 $ 66,385 $ 32,991 $ 27,549 $ - $ 357,389 $ 372,011 Credit cards Original FICO score: Less than 620 $ - $ - $ - $ - $ - $ - $ 12,476 $ 12,476 $ 12,978 Greater than or equal to 620 and less than 680 - - - - - - 59,348 59,348 60,961 Greater than or equal to 680 and less than 740 - - - - - - 133,621 133,621 137,563 Greater than or equal to 740 - - - - - - 99,828 99,828 103,938 Unscorable - - - - - - 1,100 1,100 4,384 Total credit cards $ - $ - $ - $ - $ - $ - $ 306,373 $ 306,373 $ 319,824 Other consumer loans Original FICO score: Less than 620 $ 1,670 $ 4,122 $ 8,890 $ 2,373 $ 1,406 $ 2,198 $ 2,913 $ 23,572 $ 23,740 Greater than or equal to 620 and less than 680 6,783 14,859 19,994 6,095 3,049 6,303 1,415 58,498 61,667 Greater than or equal to 680 and less than 740 4,834 12,229 11,135 4,254 1,793 2,301 2,395 38,941 38,602 Greater than or equal to 740 1,315 3,786 3,120 992 471 202 1,217 11,103 11,535 Unscorable - - - - - - 2,622 2,622 4,438 Total other consumer loans $ 14,602 $ 34,996 $ 43,139 $ 13,714 $ 6,719 $ 11,004 $ 10,562 $ 134,736 $ 139,982 Total consumer loans in Puerto Rico and Virgin Islands region $ 245,202 $ 660,827 $ 703,084 $ 398,383 $ 172,125 $ 136,228 $ 316,935 $ 2,632,784 $ 2,582,932 (1) Excludes accrued interest receivable. CONSUMER As of March 31, 2021 Term Loans As of December 31, 2020 Florida region Amortized Cost Basis by Origination Year (1) (In thousands) 2021 2020 2019 2018 2017 Prior Revolving Loans Amortized Cost Basis Total Total Auto loans Original FICO score: Less than 620 $ - $ - $ 35 $ 674 $ 617 $ 553 $ - $ 1,879 $ 2,269 Greater than or equal to 620 and less than 680 - - 399 3,288 2,577 1,278 - 7,542 9,042 Greater than or equal to 680 and less than 740 - - 312 2,406 1,114 466 - 4,298 5,094 Greater than or equal to 740 - - 206 1,097 239 65 - 1,607 1,893 Total auto loans $ - $ - $ 952 $ 7,465 $ 4,547 $ 2,362 $ - $ 15,326 $ 18,298 Finance leases Original FICO score: Less than 620 $ - $ - $ - $ - $ - $ - $ - $ - $ - Greater than or equal to 620 and less than 680 - - - - - - - - - Greater than or equal to 680 and less than 740 - - - - - - - - - Greater than or equal to 740 - - - - - - - - - Total finance leases $ - $ - $ - $ - $ - $ - $ - $ - $ - Personal loans Original FICO score: Less than 620 $ 10 $ 28 $ 4 $ - $ - $ - $ - $ 42 $ 107 Greater than or equal to 620 and less than 680 - 7 - - - - - 7 8 Greater than or equal to 680 and less than 740 - - 33 - - - - 33 38 Greater than or equal to 740 - 74 - - - - - 74 4 Total personal loans $ 10 $ 109 $ 37 $ - $ - $ - $ - $ 156 $ 157 Credit cards Original FICO score: Less than 620 $ - $ - $ - $ - $ - $ - $ - $ - $ - Greater than or equal to 620 and less than 680 - - - - - - - - - Greater than or equal to 680 and less than 740 - - - - - - - - - Greater than or equal to 740 - - - - - - - - - Total credit cards $ - $ - $ - $ - $ - $ - $ - $ - $ - Other consumer loans Original FICO score: Less than 620 $ - $ - $ - $ - $ - $ - $ 66 $ 66 $ 164 Greater than or equal to 620 and less than 680 - 187 - - - 628 67 882 1,023 Greater than or equal to 680 and less than 740 - 177 - 42 49 1,340 481 2,089 2,180 Greater than or equal to 740 - 130 - - 24 2,622 2,110 4,886 4,889 Total other consumer loans $ - $ 494 $ - $ 42 $ 73 $ 4,590 $ 2,724 $ 7,923 $ 8,256 Total consumer loans in Florida region $ 10 $ 603 $ 989 $ 7,507 $ 4,620 $ 6,952 $ 2,724 $ 23,405 $ 26,711 (1) Excludes accrued interest receivable. CONSUMER As of March 31, 2021 Term Loans As of December 31, 2020 Total Amortized Cost Basis by Origination Year (1) (In thousands) 2021 2020 2019 2018 2017 Prior Revolving Loans Amortized Cost Basis Total Total Auto loans Original FICO score: Less than 620 $ 41,287 $ 39,951 $ 42,749 $ 22,136 $ 10,091 $ 10,115 $ - $ 166,329 $ 137,275 Greater than or equal to 620 and less than 680 34,590 127,583 133,214 84,450 35,954 24,506 - 440,297 439,476 Greater than or equal to 680 and less than 740 38,936 130,222 117,363 69,950 30,648 20,188 - 407,307 397,965 Greater than or equal to 740 42,991 123,163 90,171 45,643 23,508 16,583 - 342,059 321,708 Total auto loans $ 157,804 $ 420,919 $ 383,497 $ 222,179 $ 100,201 $ 71,392 $ - $ 1,355,992 $ 1,296,424 Finance leases Original FICO score: Less than 620 $ 8,787 $ 2,984 $ 4,991 $ 3,781 $ 1,621 $ 618 $ - $ 22,782 $ 15,182 Greater than or equal to 620 and less than 680 8,224 28,293 33,814 25,372 10,490 5,483 - 111,676 111,180 Greater than or equal to 680 and less than 740 17,024 52,349 55,348 43,384 16,343 12,083 - 196,531 191,846 Greater than or equal to 740 16,695 48,613 47,522 31,033 8,307 10,461 - 162,631 154,781 Total finance leases $ 50,730 $ 132,239 $ 141,675 $ 103,570 $ 36,761 $ 28,645 $ - $ 493,620 $ 472,989 Personal loans Original FICO score: Less than 620 $ 19,214 $ 1,608 $ 2,302 $ 1,842 $ 1,117 $ 2,768 $ - $ 28,851 $ 11,057 Greater than or equal to 620 and less than 680 175 8,941 21,898 8,609 3,275 2,050 - 44,948 49,673 Greater than or equal to 680 and less than 740 1,378 32,805 59,011 27,256 14,108 11,546 - 146,104 160,518 Greater than or equal to 740 1,309 28,797 50,926 28,111 14,129 10,705 - 133,977 146,626 Unscorable - 631 1,625 567 362 480 - 3,665 4,294 Total personal loans $ 22,076 $ 72,782 $ 135,762 $ 66,385 $ 32,991 $ 27,549 $ - $ 357,545 $ 372,168 Credit cards Original FICO score: Less than 620 $ - $ - $ - $ - $ - $ - $ 12,476 $ 12,476 $ 12,978 Greater than or equal to 620 and less than 680 - - - - - - 59,348 59,348 60,961 Greater than or equal to 680 and less than 740 - - - - - - 133,621 133,621 137,563 Greater than or equal to 740 - - - - - - 99,828 99,828 103,938 Unscorable - - - - - - 1,100 1,100 4,384 Total credit cards $ - $ - $ - $ - $ - $ - $ 306,373 $ 306,373 $ 319,824 Other consumer loans Original FICO score: Less than 620 $ 1,670 $ 4,122 $ 8,890 $ 2,373 $ 1,406 $ 2,198 $ 2,979 $ 23,638 $ 23,904 Greater than or equal to 620 and less than 680 6,783 15,046 19,994 6,095 3,049 6,931 1,482 59,380 62,690 Greater than or equal to 680 and less than 740 4,834 12,406 11,135 4,296 1,842 3,641 2,876 41,030 40,782 Greater than or equal to 740 1,315 3,916 3,120 992 495 2,824 3,327 15,989 16,424 Unscorable - - - - - - 2,622 2,622 4,438 Total other consumer loans $ 14,602 $ 35,490 $ 43,139 $ 13,756 $ 6,792 $ 15,594 $ 13,286 $ 142,659 $ 148,238 Total consumer loans $ 245,212 $ 661,430 $ 704,073 $ 405,890 $ 176,745 $ 143,180 $ 319,659 $ 2,656,189 $ 2,609,643 (1) Excludes accrued interest receivable.
Collateral Pledged [Member]
Accounts Notes And Loans Receivable [Line Items]
Loan Portfolio Held for Investment [Table Text Block]	Accrued interest receivable on loans totaled $ 50.1 million as of March 31, 2021 ($ 57.2 million as of December 31, 2020), was reported as part of accrued interest receivable on loans and investment securities in the consolidated statements of financial condition, and is excluded from the estimate of credit losses. The following tables present information about collateral dependent loans that were individually evaluated for purposes of determining the ACL as of March 31, 2021 and December 31, 2020: March 31,2021 Collateral Dependent Loans - With Specific Allowance Collateral Dependent Loans - With No Related Specific Allowance Collateral Dependent Loans - Total Puerto Rico and Virgin Islands region Amortized Cost Related Specific Allowance Amortized Cost Amortized Cost Related Specific Allowance (In thousands) Residential mortgage loans: FHA/VA government-guaranteed loans $ - $ - $ - $ - $ - Conventional residential mortgage loans 98,839 7,546 8,584 107,423 7,546 Commercial loans: Construction loans - - 5,899 5,899 - Commercial mortgage loans 18,806 1,863 46,595 65,401 1,863 C&I loans 21,671 607 23,223 44,894 607 Consumer loans: Auto loans - - - - - Finance leases - - - - - Personal loans 145 1 - 145 1 Credit cards - - - - - Other consumer loans 978 151 - 978 151 $ 140,439 $ 10,168 $ 84,301 $ 224,740 $ 10,168 December 31, 2020 Collateral Dependent Loans - With Specific Allowance Collateral Dependent Loans - With No Related Specific Allowance Collateral Dependent Loans - Total Puerto Rico and Virgin Islands region Amortized Cost Related Specific Allowance Amortized Cost Amortized Cost Related Specific Allowance (In thousands) Residential mortgage loans: FHA/VA government-guaranteed loans $ - $ - $ - $ - $ - Conventional residential mortgage loans 100,950 9,582 7,145 108,095 9,582 Commercial loans: Construction loans 6,036 500 6,125 12,161 500 Commercial mortgage loans 17,882 1,923 49,241 67,123 1,923 C&I loans 21,933 880 24,728 46,661 880 Consumer loans: Auto loans - - - - - Finance leases - - - - - Personal loans 146 2 - 146 2 Credit cards - - - - - Other consumer loans 857 113 - 857 113 $ 147,804 $ 13,000 $ 87,239 $ 235,043 $ 13,000 March 31,2021 Collateral Dependent Loans - With Specific Allowance Collateral Dependent Loans - With No Related Specific Allowance Collateral Dependent Loans - Total Florida region Amortized Cost Related Specific Allowance Amortized Cost Amortized Cost Related Specific Allowance (In thousands) Residential mortgage loans: FHA/VA government-guaranteed loans $ - $ - $ - $ - $ - Conventional residential mortgage loans 6,740 727 2,524 9,264 727 Commercial loans: Construction loans - - - - - Commercial mortgage loans - - 2,311 2,311 - C&I loans - - 536 536 - Consumer loans: Auto loans - - - - - Finance leases - - - - - Personal loans - - - - - Credit cards - - - - - Other consumer loans 174 34 - 174 34 $ 6,914 $ 761 $ 5,371 $ 12,285 $ 761 December 31, 2020 Collateral Dependent Loans - With Specific Allowance Collateral Dependent Loans - With No Related Specific Allowance Collateral Dependent Loans - Total Florida region Amortized Cost Related Specific Allowance Amortized Cost Amortized Cost Related Specific Allowance (In thousands) Residential mortgage loans: FHA/VA government-guaranteed loans $ - $ - $ - $ - $ - Conventional residential mortgage loans 6,224 988 2,400 8,624 988 Commercial loans: Construction loans - - - - - Commercial mortgage loans - - 2,327 2,327 - C&I loans - - 561 561 - Consumer loans: Auto loans - - - - - Finance leases - - - - - Personal loans - - - - - Credit cards - - - - - Other consumer loans 248 83 - 248 83 $ 6,472 $ 1,071 $ 5,288 $ 11,760 $ 1,071 March 31,2021 Collateral Dependent Loans - With Specific Allowance Collateral Dependent Loans - With No Related Specific Allowance Collateral Dependent Loans - Total Total Amortized Cost Related Specific Allowance Amortized Cost Amortized Cost Related Specific Allowance (In thousands) Residential mortgage loans: FHA/VA government-guaranteed loans $ - $ - $ - $ - $ - Conventional residential mortgage loans 105,579 8,273 11,108 116,687 8,273 Commercial loans: Construction loans - - 5,899 5,899 - Commercial mortgage loans 18,806 1,863 48,906 67,712 1,863 C&I loans 21,671 607 23,759 45,430 607 Consumer loans: - - Auto loans - - - - - Finance leases - - - - - Personal loans 145 1 - 145 1 Credit cards - - - - - Other consumer loans 1,152 185 - 1,152 185 $ 147,353 $ 10,929 $ 89,672 $ 237,025 $ 10,929 December 31, 2020 Collateral Dependent Loans - With Specific Allowance Collateral Dependent Loans - With No Related Specific Allowance Collateral Dependent Loans - Total Total Amortized Cost Related Specific Allowance Amortized Cost Amortized Cost Related Specific Allowance (In thousands) Residential mortgage loans: FHA/VA government-guaranteed loans $ - $ - $ - $ - $ - Conventional residential mortgage loans 107,174 10,570 9,545 116,719 10,570 Commercial loans: Construction loans 6,036 500 6,125 12,161 500 Commercial mortgage loans 17,882 1,923 51,568 69,450 1,923 C&I loans 21,933 880 25,289 47,222 880 Consumer loans: Auto loans - - - - - Finance leases - - - - - Personal loans 146 2 - 146 2 Credit cards - - - - - Other consumer loans 1,105 196 - 1,105 196 $ 154,276 $ 14,071 $ 92,527 $ 246,803 $ 14,071
Entity Loan Modification Program [Member]
Accounts Notes And Loans Receivable [Line Items]
Troubled Debt Restructurings On Financing Receivables Table [Text Block]	As of March 31, 2021 Puerto Rico and Virgin Islands region Interest rate below market Maturity or term extension Combination of reduction in interest rate and extension of maturity Forgiveness of principal and/or interest Forbearance Agreement Other (1) Total (In thousands) TDRs: Conventional residential mortgage loans $ 17,330 $ 11,037 $ 207,653 $ - $ 222 $ 66,338 $ 302,580 Construction loans 20 1,641 1,509 - - 182 3,352 Commercial mortgage loans 1,487 732 33,765 - 16,297 6,573 58,854 C&I loans 232 2,530 14,157 - 17,647 35,149 69,715 Consumer loans: Auto loans - 386 4,191 - - 6,233 10,810 Finance leases - 5 486 - - 617 1,108 Personal loans 56 8 490 - - 250 804 Credit cards - - 2,474 14 - - 2,488 Other consumer loans 1,231 1,047 327 191 - 340 3,136 Total TDRs in Puerto Rico and Virgin Islands region $ 20,356 $ 17,386 $ 265,052 $ 205 $ 34,166 $ 115,682 $ 452,847 As of December 31, 2020 Puerto Rico and Virgin Islands region Interest rate below market Maturity or term extension Combination of reduction in interest rate and extension of maturity Forgiveness of principal and/or interest Forbearance Agreement Other (1) Total (In thousands) TDRs: Conventional residential mortgage loans $ 17,740 $ 11,125 $ 211,155 $ - $ 223 $ 66,694 $ 306,937 Construction loans 21 1,700 1,516 - - 186 3,423 Commercial mortgage loans 1,491 1,380 35,714 - 16,473 6,765 61,823 C&I loans 238 12,267 14,119 - 17,890 35,744 80,258 Consumer loans: Auto loans - 474 4,863 - - 6,112 11,449 Finance leases - 15 588 - - 541 1,144 Personal loans 58 9 571 - - 286 924 Credit cards - - 2,342 16 - - 2,358 Other consumer loans 1,602 991 572 193 - 343 3,701 Total TDRs in Puerto Rico and Virgin Island region $ 21,150 $ 27,961 $ 271,440 $ 209 $ 34,586 $ 116,671 $ 472,017 As of March 31, 2021 Florida region Interest rate below market Maturity or term extension Combination of reduction in interest rate and extension of maturity Forgiveness of principal and/or interest Forbearance Agreement Other (1) Total (In thousands) TDRs: Conventional residential mortgage loans $ 968 $ 398 $ 2,567 $ - $ - $ 20 $ 3,953 Construction loans - - - - - - - Commercial mortgage loans - 829 1,762 - - - 2,591 C&I loans - - - - - 201 201 Consumer loans: Auto loans - 50 13 - - - 63 Finance leases - - - - - - - Personal loans - - - - - - - Credit cards - - - - - - - Other consumer loans - - 169 - - 380 549 Total TDRs in Florida Region $ 968 $ 1,277 $ 4,511 $ - $ - $ 601 $ 7,357 As of December 31, 2020 Florida region Interest rate below market Maturity or term extension Combination of reduction in interest rate and extension of maturity Forgiveness of principal and/or interest Forbearance Agreement Other (1) Total (In thousands) TDRs: Conventional residential mortgage loans $ 989 $ 401 $ 2,257 $ - $ - $ 22 $ 3,669 Construction loans - - - - - - - Commercial mortgage loans - 834 1,781 - - - 2,615 C&I loans - - - - - 224 224 Consumer loans: Auto loans - 55 15 - - - 70 Finance leases - - - - - - - Personal loans - - - - - - - Credit cards - - - - - - - Other consumer loans 37 - 172 - - 392 601 Total TDRs in Florida region $ 1,026 $ 1,290 $ 4,225 $ - $ - $ 638 $ 7,179 As of March 31, 2021 Total Interest rate below market Maturity or term extension Combination of reduction in interest rate and extension of maturity Forgiveness of principal and/or interest Forbearance Agreement Other (1) Total (In thousands) TDRs: Conventional residential mortgage loans $ 18,298 $ 11,435 $ 210,220 $ - $ 222 $ 66,358 $ 306,533 Construction loans 20 1,641 1,509 - - 182 3,352 Commercial mortgage loans 1,487 1,561 35,527 - 16,297 6,573 61,445 C&I loans 232 2,530 14,157 - 17,647 35,350 69,916 Consumer loans: Auto loans - 436 4,204 - - 6,233 10,873 Finance leases - 5 486 - - 617 1,108 Personal loans 56 8 490 - - 250 804 Credit cards - - 2,474 14 - - 2,488 Other consumer loans 1,231 1,047 496 191 - 720 3,685 Total TDRs $ 21,324 $ 18,663 $ 269,563 $ 205 $ 34,166 $ 116,283 $ 460,204 As of December 31, 2020 Total Interest rate below market Maturity or term extension Combination of reduction in interest rate and extension of maturity Forgiveness of principal and/or interest Forbearance Agreement Other (1) Total (In thousands) TDRs: Conventional residential mortgage loans $ 18,729 $ 11,526 $ 213,412 $ - $ 223 $ 66,716 $ 310,606 Construction loans 21 1,700 1,516 - - 186 3,423 Commercial mortgage loans 1,491 2,214 37,495 - 16,473 6,765 64,438 C&I loans 238 12,267 14,119 - 17,890 35,968 80,482 Consumer loans: Auto loans - 529 4,878 - - 6,112 11,519 Finance leases - 15 588 - - 541 1,144 Personal loans 58 9 571 - - 286 924 Credit cards - - 2,342 16 - - 2,358 Other consumer loans 1,639 991 744 193 - 735 4,302 Total TDRs $ 22,176 $ 29,251 $ 275,665 $ 209 $ 34,586 $ 117,309 $ 479,196 The following table presents the Corporation's TDR loans held for investment activity for the indicated periods: Quarter Ended March 31, 2021 March 31, 2020 (In thousands) Beginning balance of TDRs $ 479,196 $ 487,997 New TDRs 3,019 23,125 Increases to existing TDRs 34 103 Charge-offs post-modification ( 2,909) ( 2,337) Foreclosures ( 866) ( 1,611) Removed from TDR classification ( 6,023) - Paid-off, partial payments and other ( 12,247) ( 9,982) Ending balance of TDRs $ 460,204 $ 497,295 The following tables provide a breakdown of the TDR loans held for investment by those in accrual and nonaccrual status as of the indicated dates: March 31, 2021 Puerto Rico and Virgin Islands region Florida region Total Accrual Nonaccrual Total TDRs Accrual Nonaccrual Total TDRs Accrual Nonaccrual (1) Total TDRs (In thousands) Conventional residential mortgage loans $ 245,273 $ 57,307 $ 302,580 $ 3,648 $ 305 $ 3,953 $ 248,921 $ 57,612 $ 306,533 Construction loans 2,589 763 3,352 - - - 2,589 763 3,352 Commercial mortgage loans 42,042 16,812 58,854 2,591 - 2,591 44,633 16,812 61,445 C&I loans 64,126 5,589 69,715 - 201 201 64,126 5,790 69,916 Consumer loans: Auto loans 5,790 5,020 10,810 63 - 63 5,853 5,020 10,873 Finance leases 1,092 16 1,108 - - - 1,092 16 1,108 Personal loans 804 - 804 - - - 804 - 804 Credit Cards 2,488 - 2,488 - - - 2,488 - 2,488 Other consumer loans 2,751 385 3,136 549 - 549 3,300 385 3,685 Total TDRs $ 366,955 $ 85,892 $ 452,847 $ 6,851 $ 506 $ 7,357 $ 373,806 $ 86,398 $ 460,204 December 31, 2020 Puerto Rico and Virgin Islands region Florida region Total Accrual Nonaccrual Total TDRs Accrual Nonaccrual Total TDRs Accrual Nonaccrual (1) Total TDRs (In thousands) Conventional residential mortgage loans $ 253,421 $ 53,516 $ 306,937 $ 3,358 $ 311 $ 3,669 $ 256,779 $ 53,827 $ 310,606 Construction loans 2,480 943 3,423 - - - 2,480 943 3,423 Commercial mortgage loans 43,012 18,811 61,823 2,615 - 2,615 45,627 18,811 64,438 C&I loans 73,649 6,609 80,258 - 224 224 73,649 6,833 80,482 Consumer loans: Auto loans 6,481 4,968 11,449 70 - 70 6,551 4,968 11,519 Finance leases 1,125 19 1,144 - - - 1,125 19 1,144 Personal loans 920 4 924 - - - 920 4 924 Credit Cards 2,358 - 2,358 - - - 2,358 - 2,358 Other consumer loans 3,274 427 3,701 564 37 601 3,838 464 4,302 Total TDRs $ 386,720 $ 85,297 $ 472,017 $ 6,607 $ 572 $ 7,179 $ 393,327 $ 85,869 $ 479,196 Loan modifications that are considered TDR loans completed during the first quarter of 2021 and 2020 were as follows: Quarter Ended March 31, 2021 Puerto Rico and Virgin Islands region Florida region Total Number of contracts Pre-modification Amortized Cost Post-modification Amortized Cost Number of contracts Pre-modification Amortized Cost Post-modification Amortized Cost Number of contracts Pre-modification Amortized Cost Post-modification Amortized Cost (Dollars in thousands) TDRs: Conventional residential mortgage loans 10 $ 1,046 $ 945 1 $ 321 $ 321 11 $ 1,367 $ 1,266 Construction loans - - - - - - - - - Commercial mortgage loans 2 165 165 - - - 2 165 165 C&I loans - - - - - - - - - Consumer loans: Auto loans 45 818 815 - - - 45 818 815 Finance leases 13 189 188 - - - 13 189 188 Personal loans 6 26 26 - - - 6 26 26 Credit Cards 65 434 434 - - - 65 434 434 Other consumer loans 30 125 125 - - - 30 125 125 Total TDRs 171 $ 2,803 $ 2,698 1 $ 321 $ 321 172 $ 3,124 $ 3,019 Quarter Ended March 31, 2020 Puerto Rico and Virgin Islands region Florida Total Number of contracts Pre-modification Amortized Cost Post-modification Amortized Cost Number of contracts Pre-modification Amortized Cost Post-modification Amortized Cost Number of contracts Pre-modification Amortized Cost Post-modification Amortized Cost (Dollars in thousands) TDRs: Conventional residential mortgage loans 32 $ 3,124 $ 2,560 - $ - $ - 32 $ 3,124 $ 2,560 Construction loans - - - - - - - - - Commercial mortgage loans 2 75 81 - - - 2 75 81 C&I loans 3 18,386 18,386 - - - 3 18,386 18,386 Consumer loans: Auto loans 81 1,241 1,235 - - - 81 1,241 1,235 Finance leases 21 284 284 - - - 21 284 284 Personal loans 13 113 111 - - - 13 113 111 Credit Cards 57 280 280 - - - 57 280 280 Other consumer loans 64 180 188 - - - 64 180 188 Total TDRs 273 $ 23,683 $ 23,125 - $ - $ - 273 $ 23,683 $ 23,125 Loan modifications considered TDR loans that defaulted during the quarters ended March 31, 2021 and 2020, and had become TDR loans during the 12-months preceding the default date, were as follows: Quarter ended March 31, 2021 2020 Puerto Rico and Virgin Islands region Number of contracts Amortized Cost Number of contracts Amortized Cost (Dollars in thousands) Conventional residential mortgage loans 2 $ 178 6 $ 1,889 Construction loans - - - - Commercial mortgage loans - - - - C&I loans - - 1 35 Consumer loans: Auto loans 29 557 10 176 Finance leases - - 1 5 Personal loans - - 1 7 Credit cards 1 7 5 14 Other consumer loans 7 33 29 108 Total Puerto Rico and Virgin Islands region 39 $ 775 53 $ 2,234 Quarter ended March 31, 2021 2020 Florida region Number of contracts Amortized Cost Number of contracts Amortized Cost (Dollars in thousands) Conventional residential mortgage loans - $ - - $ - Construction loans - - - - Commercial mortgage loans - - - - C&I loans - - - - Consumer loans: Auto loans - - - - Finance leases - - - - Personal loans - - - - Credit cards - - - - Other consumer loans - - - - Total in Florida region - $ - - $ - Quarter ended March 31, 2021 2020 Total Number of contracts Amortized Cost Number of contracts Amortized Cost (Dollars in thousands) Conventional residential mortgage loans 2 $ 178 6 $ 1,889 Construction loans - - - - Commercial mortgage loans - - - - C&I loans - - 1 35 Consumer loans: Auto loans 29 557 10 176 Finance leases - - 1 5 Personal loans - - 1 7 Credit cards 1 7 5 14 Other consumer loans 7 33 29 108 Total 39 $ 775 53 $ 2,234
Entity Loan Modification Program [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Ab Note Restructure Workout Strategy [Member]
Accounts Notes And Loans Receivable [Line Items]
Troubled Debt Restructurings On Financing Receivables Table [Text Block]	The following table provides additional information about the activity of this type of loan restructuring, and the effect on the allowance for credit losses in the first quarter of 2021 and 2020: Quarter ended Quarter ended March 31, 2021 March 31, 2020 (In thousands) Commercial Mortgage loans Commercial and Industrial loans Construction loans Total Commercial Mortgage loans Commercial and Industrial loans Construction loans Total Beginning balance of A/B Notes $ 16,475 $ 27,050 $ 1,562 $ 45,087 $ 22,749 $ 26,596 $ 1,883 $ 51,228 Paid-off and partial payments ( 77) ( 2) ( 43) ( 122) ( 97) ( 200) ( 25) ( 322) Charge-offs ( 100) - - ( 100) - - - - Ending balance of A/B Notes $ 16,298 $ 27,048 $ 1,519 $ 44,865 $ 22,652 $ 26,396 $ 1,858 $ 50,906 Quarter ended Quarter ended March 31, 2021 March 31, 2020 (In thousands) Commercial Mortgage loans Commercial and Industrial loans Construction loans Total Commercial Mortgage loans Commercial and Industrial loans Construction loans Total ACL at the beginning of the period for A/B Notes $ - $ 401 $ - $ 401 $ 3,516 $ 14 $ - $ 3,530 Impact of adopting CECL - - - - ( 415) 89 - ( 326) Provision for credit losses- expense (benefit) 100 ( 401) - ( 301) 15 ( 102) - ( 87) Net loan loss charge-offs ( 100) - - ( 100) - - - - ACL at the end of the period for A/B Notes $ - $ - $ - $ - $ 3,116 $ 1 $ - $ 3,117

ALLOWANCE FOR CREDIT LOSSES F_2

ALLOWANCE FOR CREDIT LOSSES FOR LOANS AND FINANCE LEASES (Tables)	3 Months Ended
	Mar. 31, 2021
Loans And Leases Receivable Disclosure [Abstract]
Allowance For Credit Losses On Financing Receivables [Table Text Block]	The following table presents the activity in the ACL on loans and finance leases by portfolio segment for the indicated periods: Quarter ended March 31, 2021 Residential Mortgage Loans Construction Loans Commercial Mortgage Loans Commercial & Industrial Loans Consumer Loans Total (In thousands) Allowance for credit losses: Beginning balance $ 120,311 $ 5,380 $ 109,342 $ 37,944 $ 112,910 $ 385,887 Provision for credit losses - (benefit) expense ( 4,175) ( 456) ( 8,820) ( 5,312) 4,320 ( 14,443) Charge-offs ( 2,825) ( 45) ( 794) ( 809) ( 11,761) ( 16,234) Recoveries 733 36 54 264 2,639 3,726 Ending balance $ 114,044 $ 4,915 $ 99,782 $ 32,087 $ 108,108 $ 358,936 Quarter ended March 31, 2020 Residential Mortgage Loans Construction Loans Commercial Mortgage Loans Commercial & Industrial Loans Consumer Loans Total (In thousands) Allowance for credit losses: Beginning balance, prior to adoption of CECL $ 44,806 $ 2,370 $ 39,194 $ 15,198 $ 53,571 $ 155,139 Impact of adopting CECL 49,837 797 ( 19,306) 14,731 35,106 81,165 Provision for credit losses 16,218 2,062 14,167 8,391 33,207 74,045 Charge-offs ( 4,435) ( 3) ( 128) ( 125) ( 15,504) ( 20,195) Recoveries 656 27 44 115 1,778 2,620 Ending balance $ 107,082 $ 5,253 $ 33,971 $ 38,310 $ 108,158 $ 292,774 The tables below present the ACL related to loans and finance leases and the carrying value of loans by portfolio segment as of March 31, 2021 and December 31, 2020: As of March 31, 2021 Residential Mortgage Loans Commercial Mortgage Loans Commercial and Industrial Loans (1) Consumer Loans Construction Loans (Dollars in thousands) Total Total loans held for investment: Amortized cost of loans $ 3,395,081 $ 190,996 $ 2,216,887 $ 3,182,706 $ 2,656,189 $ 11,641,859 Allowance for credit losses 114,044 4,915 99,782 32,087 108,108 358,936 Allowance for credit losses to amortized cost 3.36 % 2.57 % 4.50 % 1.01 % 4.07 % 3.08 % As of December 31, 2020 Residential Mortgage Loans Commercial Mortgage Loans Commercial and Industrial Loans (1) Consumer Loans Construction Loans (Dollars in thousands) Total Total loans held for investment: Amortized cost of loans $ 3,521,954 $ 212,500 $ 2,230,602 $ 3,202,590 $ 2,609,643 $ 11,777,289 Allowance for credit losses 120,311 5,380 109,342 37,944 112,910 385,887 Allowance for credit losses to amortized cost 3.42 % 2.53 % 4.90 % 1.18 % 4.33 % 3.28 % The following table presents the activity in the ACL for unfunded loan commitments and standby letters of credit for the quarters ended March 31, 2021 and 2020: Quarter ended March 31, 2021 March 31, 2020 (In thousands) Beginning balance $ 5,105 $ - Impact of adopting CECL - 3,922 Provision for credit losses - (benefit) expense ( 706) 1,819 Ending balance $ 4,399 $ 5,741

LOANS HELD FOR SALE (Tables)

LOANS HELD FOR SALE (Tables)	3 Months Ended
	Mar. 31, 2021
Receivables Held For Sale [Abstract]
Loans Held For Sale Table [Text Block]	The Corporation’s loans held-for-sale portfolio as of the dates indicated was composed of: March 31, 2021 December 31, 2020 (In thousands) Residential mortgage loans $ 42,645 $ 50,289 Commercial and Industrial loans (1) 13,425 - Total $ 56,070 $ 50,289

OTHER REAL ESTATE OWNED (Tables

OTHER REAL ESTATE OWNED (Tables)	3 Months Ended
	Mar. 31, 2021
Real Estate Owned Disclosure Of Detailed Components [Abstract]
Schedule Of Other Real Estate Assets And Foreclosed Properties [Table Text Block]	The following table presents the OREO inventory as of the dates indicated: March 31, December 31, 2021 2020 (In thousands) OREO OREO balances, carrying value: Residential (1) $ 31,642 $ 32,418 Commercial 41,338 44,356 Construction 6,227 6,286 Total $ 79,207 $ 83,060

LEASES (Tables)

LEASES (Tables)	3 Months Ended
	Mar. 31, 2021
Leases [Abstract]
Supplemental information related to leases [Table Text Block]	Supplemental balance sheet information related to leases as of the indicated dates was as follows: March 31, December 31, 2021 2020 (In thousands) ROU asset $ 98,808 $ 103,186 Operating lease liability $ 102,177 $ 106,502 Operating lease weighted-average remaining lease term (in years) 8.3 8.5 Operating lease weighted-average discount rate 2.26% 2.25% Supplemental cash flow information related to leases for the indicated periods was as follows: Quarter Ended March 31, 2021 2020 (In thousands) Operating cash flow from operating leases (1) $ 4,889 $ 2,550 ROU assets obtained in exchange for operating lease liabilities (2) - 274
Maturities under lease liabilities [Table Text Block]	Maturities under lease liabilities as of March 31, 2021, were as follows: Amount (In thousands) 2021 $ 14,172 2022 17,945 2023 16,018 2024 14,507 2025 13,363 2026 and later years 37,784 Total lease payments 113,789 Less: imputed interest ( 11,612) Total present value of lease liability $ 102,177

DERIVATIVE INSTRUMENTS AND HE_2

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Tables)	3 Months Ended
	Mar. 31, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Notional Amounts of All Derivative Instruments [Table Text Block]	The following table summarizes the notional amounts of all derivative instruments as of the indicated dates: Notional Amounts (1) As of As of March 31, December 31, (In thousands) 2021 2020 Undesignated economic hedges: Interest rate contracts: Interest rate swap agreements $ 15,047 $ 15,864 Written interest rate cap agreements 14,500 14,500 Purchased interest rate cap agreements 14,500 14,500 Interest rate lock commitments 25,278 19,931 Forward Contracts: Sale of TBA GNMA MBS pools 42,000 42,000 Forward loan sales commitments 20,188 19,998 $ 131,513 $ 126,793
Summary of Fair Value of Derivative Instruments and Location in Statement of Financial Condition [Table Text Block]	The following table summarizes for derivative instruments their fair values and location in the consolidated statements of financial condition as of the indicated dates: Asset Derivatives Liability Derivatives Statement of March 31, December 31, March 31, December 31, Financial 2021 2020 2021 2020 Condition Location Fair Value Fair Value Statement of Financial Condition Location Fair Value Fair Value (In thousands) Undesignated economic hedges: Interest rate contracts: Interest rate swap agreements Other assets $ 1,314 $ 1,622 Accounts payable and other liabilities $ 1,306 $ 1,639 Written interest rate cap agreements Other assets - - Accounts payable and other liabilities 6 1 Purchased interest rate cap agreements Other assets 6 1 Accounts payable and other liabilities - - Interest rate lock commitments Other assets 725 737 Accounts payable and other liabilities - - Forward Contracts: Sales of TBA GNMA MBS pools Other assets 204 102 Accounts payable and other liabilities 44 280 Forward loan sales commitments Other assets 20 20 Accounts payable and other liabilities - - $ 2,269 $ 2,482 $ 1,356 $ 1,920
Effect of Derivative Instruments on Statement of Income (Loss) [Table Text Block]	The following table summarizes the effect of derivative instruments on the consolidated statements of income for the indicated periods: Gain (or Loss) Location of Unrealized Gain (Loss) Quarter Ended on Derivative Recognized in March 31, Statements of Income 2021 2020 (In thousands) Undesignated economic hedges: Interest rate contracts: Interest rate swap agreements Interest income - Loans $ 25 $ - Interest rate lock commitments Mortgage Banking Activities ( 244) ( 91) Forward contracts: Sales of TBA GNMA MBS pools Mortgage Banking Activities 352 ( 665) Total gain (loss) on derivatives $ 133 $ ( 756)

OFFSETTING OF ASSETS AND LIAB_2

OFFSETTING OF ASSETS AND LIABILITIES (Tables)	3 Months Ended
	Mar. 31, 2021
Offsetting [Abstract]
Offsetting Assets [Table Text Block]	Offsetting of Financial Assets and Derivative Assets As of March 31, 2021 Gross Amounts Not Offset in the Statement of Financial Condition Net Amounts of Assets Presented in the Statement of Financial Condition Gross Amounts of Recognized Assets Gross Amounts Offset in the Statement of Financial Condition Financial Instruments Cash Collateral Net Amount (In thousands) Description Derivatives $ 210 $ - $ 210 $ - $ ( 210) $ - As of December 31, 2020 Gross Amounts Not Offset in the Statement of Financial Condition Net Amounts of Assets Presented in the Statement of Financial Condition Gross Amounts of Recognized Assets Gross Amounts Offset in the Statement of Financial Condition Financial Instruments Cash Collateral Net Amount (In thousands) Description Derivatives $ 89 $ - $ 89 $ - $ ( 89) $ -
Offsetting Liabilities [Table Text Block]	Offsetting of Financial Liabilities and Derivative Liabilities As of March 31, 2021 Gross Amounts Not Offset in the Statement of Financial Condition Net Amounts of Liabilities Presented in the Statement of Financial Condition Gross Amounts of Recognized Liabilities Gross Amounts Offset in the Statement of Financial Condition Financial Instruments Cash Collateral (In thousands) Net Amount Description Derivatives $ 1,350 $ - $ 1,350 $ ( 1,350) $ - $ - Securities sold under agreements to repurchase 300,000 - 300,000 ( 300,000) - - Total $ 301,350 $ - $ 301,350 $ ( 301,350) $ - $ - As of December 31, 2020 Gross Amounts Not Offset in the Statement of Financial Condition Net Amounts of Liabilities Presented in the Statement of Financial Condition Gross Amounts of Recognized Liabilities Gross Amounts Offset in the Statement of Financial Condition Financial Instruments Cash Collateral Net Amount (In thousands) Description Derivatives $ 1,919 $ - $ 1,919 $ ( 1,919) $ - $ - Securities sold under agreements to repurchase 300,000 - 300,000 ( 300,000) - - Total $ 301,919 $ - $ 301,919 $ ( 301,919) $ - $ -

GOODWILL AND OTHER INTANGIBLES

GOODWILL AND OTHER INTANGIBLES (Tables)	3 Months Ended
	Mar. 31, 2021
Goodwill And Intangible Assets Disclosure [Abstract]
Schedule of Goodwill [Table Text Block]	Mortgage Banking Consumer (Retail) Banking Commercial and Corporate Banking United States Operations Total (In thousands) Goodwill, January 1, 2020 $ - $ - $ - $ 28,098 $ 28,098 Merger and acquisitions 574 794 4,935 - 6,303 Adjustments 385 533 3,313 - 4,231 Goodwill, December 31, 2020 $ 959 $ 1,327 $ 8,248 $ 28,098 $ 38,632 Adjustments 53 74 ( 148) - ( 21) Goodwill, March 31, 2021 $ 1,012 $ 1,401 $ 8,100 $ 28,098 $ 38,611
Gross Amount and Accumulated Amortization of Other Intangible Assets [Table Text Block]	The estimated aggregate annual amortization expense related to the intangible assets for future periods is as follows as of March 31, 2021: Amount (In thousands) 2021 $ 8,452 2022 8,816 2023 7,736 2024 6,416 2025 3,509 2026 and after 3,458
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]	The estimated aggregate annual amortization expense related to the intangible assets for future periods is as follows as of March 31, 2021: Amount (In thousands) 2021 $ 8,452 2022 8,816 2023 7,736 2024 6,416 2025 3,509 2026 and after 3,458

NON-CONSOLIDATED VARIABLE INT_2

NON-CONSOLIDATED VARIABLE INTEREST ENTITIES AND SERVICING ASSETS (Tables)	3 Months Ended
	Mar. 31, 2021
Transfers and Servicing [Abstract]
Changes in Servicing Assets [Table Text Block]	The changes in MSRs are shown below for the indicated periods: Quarter ended March 31, March 31, 2021 2020 (In thousands) Balance at beginning of period $ 33,071 $ 26,762 Capitalization of servicing assets 1,350 904 Amortization ( 1,637) ( 1,009) Temporary impairment recoveries (charges), net 7 ( 138) Other (1) ( 81) ( 35) Balance at end of period $ 32,710 $ 26,484 (1) Amount represents adjustments related to the repurchase of loans serviced for others.
Changes in Impairment Allowance [Table Text Block]	Changes in the impairment allowance were as follows for the indicated periods: Quarter ended March 31, March 31, 2021 2020 (In thousands) Balance at beginning of period $ 202 $ 73 Temporary impairment charges - 138 OTTI of servicing assets - ( 77) Recoveries ( 7) - Balance at end of period $ 195 $ 134
Components of Net Servicing Income [Table Text Block]	The components of net servicing income, included as part of mortgage banking activities in the consolidated statements of income, are shown below for the indicated periods: Quarter ended March 31, March 31, 2021 2020 (In thousands) Servicing fees $ 2,915 $ 2,134 Late charges and prepayment penalties 239 150 Adjustment for loans repurchased ( 81) ( 35) Servicing income, gross 3,073 2,249 Amortization and impairment of servicing assets ( 1,630) ( 1,147) Servicing income, net $ 1,443 $ 1,102
Weighted-Averages of Key Economic Assumptions in Valuation Model [Table Text Block]	The weighted-averages of the key economic assumptions that the Corporation used in its valuation model and the sensitivity of the current fair value to immediate 10% and 20% adverse changes in those assumptions for mortgage loans as of March 31, 2021 and December 31, 2020 were as follows: March 31, December 31, 2021 2020 (In thousands) Carrying amount of servicing assets $ 32,710 $ 33,071 Fair value $ 40,695 $ 40,294 Weighted-average expected life (in years) 8.00 7.86 Constant prepayment rate (weighted-average annual rate) 6.56% 6.73% Decrease in fair value due to 10% adverse change $ 988 $ 1,006 Decrease in fair value due to 20% adverse change $ 1,935 $ 1,970 Discount rate (weighted-average annual rate) 11.19% 11.20% Decrease in fair value due to 10% adverse change $ 1,804 $ 1,772 Decrease in fair value due to 20% adverse change $ 3,469 $ 3,409

DEPOSITS (Tables)

DEPOSITS (Tables)	3 Months Ended
	Mar. 31, 2021
Deposits [Abstract]
Summary of Deposit Balances [Table Text Block]	The following table summarizes deposit balances as of the dates indicated: March 31, December 31, 2021 2020 (In thousands) Type of account: Non-interest-bearing deposit accounts $ 5,026,468 $ 4,546,123 Interest-bearing savings accounts 4,217,030 4,088,969 Interest-bearing checking accounts 3,912,647 3,651,806 Certificates of deposit ("CDs") 2,692,176 2,814,313 Brokered CDs 162,115 216,172 Total $ 16,010,436 $ 15,317,383
Brokered Certificates Of Deposit Mature [Table Text Block]	Brokered CDs mature as follows: March 31, 2021 (In thousands) Three months or less $ 24,511 Over three months to six months 29,121 Over six months to one year 22,831 Over one year to three years 64,967 Over three years to five years 20,685 Total $ 162,115
Components of Interest Expense on Deposits [Table Text Block]	The following were the components of interest expense on deposits for the indicated periods: Quarter Ended March 31, March 31, 2021 2020 (In thousands) Interest expense on deposits $ 12,725 $ 19,497 Accretion of premium from acquisitions ( 456) ( 1) Amortization of broker placement fees 73 158 Interest expense on deposits $ 12,342 $ 19,654

SECURITIES SOLD UNDER AGREEME_2

SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE (Tables)	3 Months Ended
	Mar. 31, 2021
Disclosure of Repurchase Agreements [Abstract]
Securities Sold Under Agreements to Repurchase [Table text Block]	Securities sold under agreements to repurchase (repurchase agreements) as of the dates indicated consisted of the following: March, 31 December 31, 2021 2020 (In thousands) Long-term repurchase agreement (1) $ 300,000 $ 300,000 Repurchase agreements mature as follows as of the indicated date: March 31, 2021 (In thousands) Six months to one year $ 100,000 Over three years to five years 200,000 Total $ 300,000 Repurchase agreements as of March 31, 2021, grouped by counterparty, were as follows: (Dollars in thousands) Weighted-Average Counterparty Amount Maturity (In Months) JP Morgan Chase $ 100,000 10 Credit Suisse First Boston 200,000 46 $ 300,000

ADVANCES FROM THE FEDERAL HOM_2

ADVANCES FROM THE FEDERAL HOME LOAN BANK (FHLB) (Tables)	3 Months Ended
	Mar. 31, 2021
Advances from Federal Home Loan Banks [Abstract]
Summary of Advances from FHLB [Table Text Block]	The following is a summary of the advances from the FHLB as of the indicated dates: March 31, December 31, 2021 2020 (In thousands) Long-term Fixed -rate advances from FHLB (1) $ 440,000 $ 440,000 Advances from FHLB mature as follows as of the indicated date: March 31, 2021 (In thousands) Within one month $ 70,000 Over one to three months 50,000 Over six months to one year 120,000 Over one year to three years 200,000 Total $ 440,000

OTHER BORROWINGS (Tables)

OTHER BORROWINGS (Tables)	3 Months Ended
	Mar. 31, 2021
Subordinated Borrowings [Abstract]
Components of Other Borrowings [Table Text Block]	Other borrowings, as of the indicated dates, consisted of: March 31, December 31, 2021 2020 (In thousands) Floating rate junior subordinated debentures (FBP Statutory Trust I) (1) $ 65,205 $ 65,205 Floating rate junior subordinated debentures (FBP Statutory Trust II) (2) 118,557 118,557 $ 183,762 $ 183,762

OTHER COMPREHENSIVE (LOSS) IN_2

OTHER COMPREHENSIVE (LOSS) INCOME (Tables)	3 Months Ended
	Mar. 31, 2021
Statement of Other Comprehensive Income [Abstract]
Schedule of Accumulated Other Comprehensive Income [Table Text Block]	The following table presents changes in accumulated other comprehensive (loss) income for the quarters ended March 31, 2021 and 2020: Changes in Accumulated Other Comprehensive (Loss) Income by Component (1) Quarter ended March 31, 2021 2020 (In thousands) Unrealized net holding gains (losses) on debt securities Beginning balance $ 55,725 $ 6,764 Other comprehensive (loss) income ( 98,929) 42,352 Ending balance $ ( 43,204) $ 49,116 Adjustment of pension and postretirement benefit plans: Beginning balance $ ( 270) $ - Other comprehensive (loss) income - - Ending balance $ ( 270) $ - ______________________
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]	The following table presents the amounts reclassified out of each component of accumulated other comprehensive (loss) income for the quarters ended March 31, 2021 and 2020: Reclassifications Out of Accumulated Other Comprehensive (Loss) Income Affected Line Item in the Consolidated Statements of Income Quarter ended March 31 2021 2020 (In thousands) Unrealized net holding gains (losses) on debt securities Realized gain on sale of debt securities Net gain on sale of investments $ - $ ( 8,247) Provision for credit losses - (benefit) expense Provision for credit losses - (benefit) expense ( 127) 368 Total before tax ( 127) ( 7,879) Income tax expense (benefit) - - Total, net of tax $ ( 127) $ ( 7,879)

EMPLOYEE BENEFIT PLANS (Tables)

EMPLOYEE BENEFIT PLANS (Tables)	3 Months Ended
	Mar. 31, 2021
Employees' Benefit Plan [Abstract]
Schedule of Net Benefit Costs [Table Text Block]	The components of net periodic benefit (income) loss for the Pension Plans and Postretirement Benefit Plan are summarized in the following table: Quarter Ended March 31, 2021 Location Pension Plans Postretirement Benefit Plan (In thousands) Net periodic benefit (income) loss: Interest cost Other expenses 618 2 Estimated return on plan assets Other expenses ( 1,131) - Net periodic benefit (income) $ ( 513) $ 2

FAIR VALUE (Tables)

FAIR VALUE (Tables)	3 Months Ended
	Mar. 31, 2021
Fair Value Disclosures [Abstract]
Assets and Liabilities Measured at Fair Value on Recurring Basis [Table Text Block]	Assets and liabilities measured at fair value on a recurring basis are summarized below as of March 31, 2021 and December 31, 2020: As of March 31,2021 As of December 31, 2020 Fair Value Measurements Using Fair Value Measurements Using (In thousands) Level 1 Level 2 Level 3 Assets/Liabilities at Fair Value Level 1 Level 2 Level 3 Assets/Liabilities at Fair Value Assets: Securities available for sale: U.S. Treasury Securities $ 7,466 $ - $ - $ 7,466 $ 7,507 $ - $ - $ 7,507 Noncallable U.S. agencies debt securities - 189,466 - 189,466 - 173,371 - 173,371 Callable U.S. agencies debt securities and MBS - 5,198,082 - 5,198,082 - 4,454,164 - 4,454,164 Puerto Rico government obligations - - 2,829 2,829 - - 2,899 2,899 Private label MBS - - 8,297 8,297 - - 8,428 8,428 Other investments - - 650 650 - - 650 650 Equity securities 5,445 - - 5,445 1,474 - - 1,474 Derivatives, included in assets: Interest rate swap agreements - 1,314 - 1,314 - 1,622 - 1,622 Purchased interest rate cap agreements - 6 - 6 - 1 - 1 Forward contracts - 204 - 204 - 102 - 102 Interest rate lock commitments - 725 - 725 - 737 - 737 Forward loan sales commitments - 20 - 20 - 20 - 20 Liabilities: Derivatives, included in liabilities: Interest rate swap agreements - 1,306 - 1,306 - 1,639 - 1,639 Written interest rate cap agreements - 6 - 6 - 1 - 1 Forward contracts - 44 - 44 - 280 - 280
Fair Value of Assets and Liabilities Measured on Recurring Basis [Table Text Block]	Quarter ended March 31, 2021 2020 Level 3 Instruments Only Securities Securities (In thousands) Available For Sale (1) Available For Sale (1) Beginning balance $ 11,977 14,590 Total gains (losses) (realized/unrealized): Included in other comprehensive income 321 240 Included in earnings 127 ( 368) Principal repayments and amortization ( 649) ( 693) Ending balance $ 11,776 $ 13,769
Schedule Of Changes In Unrealized Gains Losses [Table Text Block]	Changes in Unrealized Losses Level 3 Instruments Only Quarter ended March 31, (In thousands) 2021 2020 Changes in unrealized losses relating to assets still held at reporting date: Provision for credit losses - benefit (expense) $ 127 $ ( 368)
Impairment or Valuation Adjustments were Recorded for Assets Recognized at Fair Value [Table Text Block]	As of March 31, 2021, the Corporation recorded losses or valuation adjustments for assets recognized at fair value on a non-recurring basis as shown in the following table: Carrying value as of March 31, 2021 Gains (Losses) recorded for the Quarter Ended March 31, 2021 Level 1 Level 2 Level 3 (In thousands) Loans receivable (1) $ - $ - $ 237,025 $ ( 1,203) OREO (2) - - 79,207 ( 2,364) Loans Held For Sale (3) - - 13,425 ( 360) As of March 31, 2020, the Corporation recorded losses or valuation adjustments for assets recognized at fair value on a non-recurring basis as shown in the following table: Carrying value as of March 31, 2020 Losses recorded for the Quarter Ended March 31, 2020 Level 1 Level 2 Level 3 (In thousands) Loans receivable (1) $ - $ - $ 291,856 $ ( 6,393) OREO (2) - - 99,674 ( 654)
Estimated Fair Value and Carrying Value of Financial Instruments [Table Text Block]	The following tables present the carrying value, estimated fair value and estimated fair value level of the hierarchy of financial instruments as of March 31, 2021 and December 31, 2020: Total Carrying Amount in Statement of Financial Condition as of March 31, 2021 Fair Value Estimate as of March 31, 2021 Level 1 Level 2 Level 3 (In thousands) Assets: Cash and due from banks and money market investments (amortized cost) $ 1,518,164 $ 1,518,164 $ 1,518,164 $ - $ - Investment securities available for sale (fair value) 5,406,790 5,406,790 7,466 5,387,548 11,776 Investment securities held to maturity (amortized cost) 189,680 Less: allowance for credit losses on held to maturity debt securities ( 8,869) Investment securities held to maturity, net of allowance $ 180,811 178,314 - - 178,314 Equity Securities (fair value) 41,558 41,558 5,445 36,113 - Loans held for sale (lower of cost or market) 56,070 57,132 - 43,707 13,425 Loans, held for investment (amortized cost) 11,641,859 Less: allowance for credit losses for loans and finance leases ( 358,936) Loans held for investment, net of allowance $ 11,282,923 11,452,765 - - 11,452,765 Derivatives, included in assets (fair value) 2,269 2,269 - 2,269 - Liabilities: Deposits (amortized cost) 16,010,436 16,052,136 - 16,052,136 - Securities sold under agreements to repurchase (amortized cost) 300,000 324,288 - 324,288 - Advances from FHLB (amortized cost) 440,000 445,387 - 445,387 - Other borrowings (amortized cost) 183,762 145,581 - - 145,581 Derivatives, included in liabilities (fair value) 1,356 1,356 - 1,356 - Total Carrying Amount in Statement of Financial Condition as of December 31, 2020 Fair Value Estimate as of December 31, 2020 Level 1 Level 2 Level 3 (In thousands) Assets: Cash and due from banks and money market investments (amortized cost) $ 1,493,833 $ 1,493,833 $ 1,493,833 $ - $ - Investment securities available for sale (fair value) 4,647,019 4,647,019 7,507 4,627,535 11,977 Investment securities held to maturity (amortized cost) 189,488 Less: allowance for credit losses on held to maturity securities ( 8,845) Investment securities held to maturity, net of allowance 180,643 173,806 - - 173,806 Equity securities (fair value) 37,588 37,588 1,474 36,114 - Loans held for sale (lower of cost or market) 50,289 52,322 - 52,322 - Loans, held for investment (amortized cost) 11,777,289 Less: allowance for credit losses for loans and finance leases ( 385,887) Loans held for investment, net of allowance $ 11,391,402 11,564,635 - - 11,564,635 Derivatives, included in assets (fair value) 2,842 2,842 - 2,842 - Liabilities: Deposits (amortized cost) 15,317,383 15,363,236 - 15,363,236 - Securities sold under agreements to repurchase (amortized cost) 300,000 329,493 - 329,493 - Advances from FHLB (amortized cost) 440,000 446,703 - 446,703 - Other borrowings (amortized cost) 183,762 151,645 - - 151,645 Derivatives, included in liabilities (fair value) 1,920 1,920 - 1,920 -
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]	Qualitative information regarding the fair value measurements for Level 3 financial instruments as of March 31, 2021 are as follows: March 31, 2021 Method Inputs Loans Income, Market, Comparable Sales, Discounted Cash Flows External appraised values; probability weighting of broker price opinions; management assumptions regarding market trends or other relevant factors OREO Income, Market, Comparable Sales, Discounted Cash Flows External appraised values; probability weighting of broker price opinions; management assumptions regarding market trends or other relevant factors
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block]	The tables below present qualitative information for significant assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) as of March 31, 2021 and December 31, 2020: March 31, 2021 Range Weighted Average (In thousands) Fair Value Valuation Technique Unobservable Input Minimum Maximum Investment securities available-for-sale: Private label MBS $ 8,297 Discounted cash flows Discount rate 12.9% 12.9% 12.9% Prepayment rate 0.7% 21.9% 13.6% Projected Cumulative Loss Rate 0.1% 17.8% 7.7% Puerto Rico government obligations 2,829 Discounted cash flows Discount rate 7.3 7.3 7.3 Projected Cumulative Loss Rate 10.1% 10.1% 10.1% December 31, 2020 Range Weighted (In thousands) Fair Value Valuation Technique Unobservable Input Minimum Maximum Average Investment securities available-for-sale: Private label MBS $ 8,428 Discounted cash flows Discount rate 12.2% 12.2% 12.2% Prepayment rate 1.2% 18.8% 12.1% Projected Cumulative Loss Rate 2.6% 22.3% 10.2% Puerto Rico government obligations 2,899 Discounted cash flows Discount rate 7.9% 7.9% 7.9% Projected Cumulative Loss Rate 12.4% 12.4% 12.4%

REVENUE FROM CONTRACTS WITH C_2

REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables)	3 Months Ended
	Mar. 31, 2021
Revenue from Contract with Customer [Abstract]
Disaggregation Of Revenue Table [TextBlock]	(In thousands) Mortgage Banking Consumer (Retail) Banking Commercial and Corporate Treasury and Investments United States Operations Virgin Islands Operations Total For the quarter ended March 31, 2021: Net interest income (1) $ 25,240 $ 58,483 $ 48,981 $ 21,583 $ 15,023 $ 6,955 $ 176,265 Non-interest income: Service charges and fees on deposit accounts - 4,476 2,971 - 149 708 8,304 Insurance commissions - 4,967 - - 29 245 5,241 Merchant-related income - 922 256 - 13 204 1,395 Credit and debit card fees - 5,645 19 - 3 370 6,037 Other service charges and fees 173 865 519 - 458 141 2,156 Not in scope of Topic 606 (1) 6,943 368 132 56 323 1 7,823 Total non-interest income 7,116 17,243 3,897 56 975 1,669 30,956 Total Revenue $ 32,356 $ 75,726 $ 52,878 $ 21,639 $ 15,998 $ 8,624 $ 207,221 (In thousands) Mortgage Banking Consumer (Retail) Banking Commercial and Corporate Treasury and Investments United States Operations Virgin Islands Operations Total For the quarter ended March 31, 2020: Net interest income (1) $ 17,058 $ 57,744 $ 23,581 $ 19,875 $ 13,785 $ 6,606 $ 138,649 Non-interest income: Service charges and fees deposit accounts - 3,483 1,564 - 168 742 5,957 Insurance commissions - 4,376 - - 4 202 4,582 Merchant-related income - 750 - - - 149 899 Credit and debit card fees - 4,217 17 - 10 422 4,666 Other service charges and fees 74 617 412 - 418 147 1,668 Not in scope of Topic 606 (1) 3,566 285 18 8,328 231 - 12,428 Total non-interest income 3,640 13,728 2,011 8,328 831 1,662 30,200 Total Revenue $ 20,698 $ 71,472 $ 25,592 $ 28,203 $ 14,616 $ 8,268 $ 168,849
Activity of Contract Liabilities [Table Text Block]	(In thousands) March 31, 2021 March 31, 2020 Beginning Balance $ 2,151 $ 2,476 Less: Amortizations ( 81) ( 81) Ending balance $ 2,070 $ 2,395

SUPPLEMENTAL CASH FLOW INFORM_2

SUPPLEMENTAL CASH FLOW INFORMATION (Tables)	3 Months Ended
	Mar. 31, 2021
Supplemental Cash Flow Elements [Abstract]
Supplemental Cash Flow Information [Table Text Block]	Quarter Ended March 31, 2021 2020 (In thousands) Cash paid for: Interest on borrowings $ 18,934 $ 25,935 Income tax 4,484 1,070 Operating cash flow from operating leases 4,889 2,550 Non-cash investing and financing activities: Additions to OREO 4,521 5,283 Additions to auto and other repossessed assets 11,456 12,785 Capitalization of servicing assets 1,350 904 Loan securitizations 56,135 60,903 Loans held for investment transferred to held for sale 28,283 3,535 ROU assets obtained in exchange for operating lease liabilities - 274 Unsettled purchases of available-for-sale investment securities 10,071 - Unsettled sales of available-for-sale investment securities - 284,201

SEGMENT INFORMATION (Tables)

SEGMENT INFORMATION (Tables)	3 Months Ended
	Mar. 31, 2021
Segment Reporting [Abstract]
Information about the Reportable Segments [Table Text Block]	The following table presents information about the reportable segments for the quarters ended March 31, 2021 and 2020: (In thousands) Mortgage Banking Consumer (Retail) Banking Commercial and Corporate Banking Treasury and Investments United States Operations Virgin Islands Operations Total For the quarter ended March 31, 2021: Interest income $ 37,060 $ 65,733 $ 51,458 $ 12,762 $ 20,332 $ 7,297 $ 194,642 Net (charge) credit for transfer of funds ( 11,820) 1,055 ( 2,477) 14,934 ( 1,692) - - Interest expense - ( 8,305) - ( 6,113) ( 3,617) ( 342) ( 18,377) Net interest income 25,240 58,483 48,981 21,583 15,023 6,955 176,265 Provision for credit losses - (benefit) expense ( 786) 3,962 ( 17,179) ( 127) ( 237) ( 885) ( 15,252) Non-interest income 7,116 17,243 3,897 56 975 1,669 30,956 Direct non-interest expenses 7,997 41,091 11,538 1,234 8,294 7,405 77,559 Segment income $ 25,145 $ 30,673 $ 58,519 $ 20,532 $ 7,941 $ 2,104 $ 144,914 Average earning assets $ 2,658,887 $ 2,442,174 $ 4,029,377 $ 6,259,344 $ 2,078,660 $ 449,532 $ 17,917,974 (In thousands) Mortgage Banking Consumer (Retail) Banking Commercial and Corporate Banking Treasury and Investments United States Operations Virgin Islands Operations Total For the quarter ended March 31, 2020: Interest income $ 28,800 $ 58,096 $ 32,636 $ 16,066 $ 22,155 $ 7,511 $ 165,264 Net (charge) credit for transfer of funds ( 11,742) 10,030 ( 9,055) 11,491 ( 724) - - Interest expense - ( 10,382) - ( 7,682) ( 7,646) ( 905) ( 26,615) Net interest income 17,058 57,744 23,581 19,875 13,785 6,606 138,649 Provision for credit losses expense 15,201 32,153 19,175 1,502 6,564 2,771 77,366 Non-interest income 3,640 13,728 2,011 8,328 831 1,662 30,200 Direct non-interest expenses 8,499 29,476 7,047 763 8,991 7,435 62,211 Segment (loss) income $ ( 3,002) $ 9,843 $ ( 630) $ 25,938 $ ( 939) $ ( 1,938) $ 29,272 Average earning assets $ 2,012,906 $ 2,131,502 $ 2,420,069 $ 2,877,104 $ 1,944,385 $ 455,129 $ 11,841,095
Reconciliation of the Reportable Segment Financial Information [Table Text Block]	The following table presents a reconciliation of the reportable segment financial information to the consolidated totals for the indicated periods: Quarter Ended March 31, (In thousands) 2021 2020 Net income: Total income for segments and other $ 144,914 $ 29,272 Other operating expenses (1) 55,742 29,973 Income (loss) before income taxes 89,172 ( 701) Income tax expense (benefit) 28,022 ( 2,967) Total consolidated net income $ 61,150 $ 2,266 Average assets: Total average earning assets for segments $ 17,917,974 $ 11,841,095 Average non-earning assets 1,168,336 912,334 Total consolidated average assets $ 19,086,310 $ 12,753,429

REGULATORY MATTERS, COMMITMEN_2

REGULATORY MATTERS, COMMITMENTS AND CONTINGENCIES (Tables)	3 Months Ended
	Mar. 31, 2021
Commitments And Contingencies Disclosure [Abstract]
Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Text Block]	The regulatory capital positions of the Corporation and FirstBank as of March 31, 2021 and December 31, 2020, which reflect the delay in the effect of CECL on regulatory capital, were as follows: Regulatory Requirements Actual For Capital Adequacy Purposes To be Well-Capitalized Thresholds Amount Ratio Amount Ratio Amount Ratio (Dollars in thousands) As of March 31, 2021 Total Capital (to Risk-Weighted Assets) First BanCorp. $ 2,479,823 20.73% $ 956,908 8.0% N/A N/A FirstBank $ 2,421,641 20.24% $ 956,977 8.0% $ 1,196,221 10.0% CET1 Capital (to Risk-Weighted Assets) First BanCorp. $ 2,115,199 17.68% $ 538,261 4.5% N/A N/A FirstBank $ 1,963,360 16.41% $ 538,300 4.5% $ 777,544 6.5% Tier I Capital (to Risk-Weighted Assets) First BanCorp. $ 2,151,302 17.99% $ 717,681 6.0% N/A N/A FirstBank $ 2,271,360 18.99% $ 717,733 6.0% $ 956,977 8.0% Leverage ratio First BanCorp. $ 2,151,302 11.36% $ 757,485 4.0% N/A N/A FirstBank $ 2,271,360 12.00% $ 756,898 4.0% $ 946,122 5.0% As of December 31, 2020 Total Capital (to Risk-Weighted Assets) First BanCorp. $ 2,416,682 20.37% $ 948,890 8.0% N/A N/A FirstBank $ 2,360,493 19.91% $ 948,624 8.0% $ 1,185,780 10.0% CET1 Capital (to Risk-Weighted Assets) First BanCorp. $ 2,053,045 17.31% $ 533,751 4.5% N/A N/A FirstBank $ 1,903,251 16.05% $ 533,601 4.5% $ 770,757 6.5% Tier I Capital (to Risk-Weighted Assets) First BanCorp. $ 2,089,149 17.61% $ 711,667 6.0% N/A N/A FirstBank $ 2,211,251 18.65% $ 711,468 6.0% $ 948,624 8.0% Leverage ratio First BanCorp. $ 2,089,149 11.26% $ 742,352 4.0% N/A N/A FirstBank $ 2,211,251 11.92% $ 741,841 4.0% $ 927,301 5.0%

FIRST BANCORP. (Holding Compa_2

FIRST BANCORP. (Holding Company Only) Financial Information (Tables)	3 Months Ended
	Mar. 31, 2021
Condensed Financial Information of Parent Company Only Disclosure [Abstract]
Statements of Financial Condition [Table Text Block]	The following condensed financial information presents the financial position of First BanCorp. at the holding company level only as of March 31, 2021 and December 31, 2020, and the results of its operations for the quarters ended March 31, 2021 and 2020: Statements of Financial Condition (Unaudited) As of March 31, As of December 31, 2021 2020 (In thousands) Assets Cash and due from banks $ 19,433 $ 10,909 Money market investments - 6,211 Other investment securities 285 285 Investment in First Bank Puerto Rico, at equity 2,340,202 2,396,963 Investment in First Bank Insurance Agency, at equity 45,740 41,313 Investment in FBP Statutory Trust I 1,951 1,951 Investment in FBP Statutory Trust II 3,561 3,561 Other assets 1,616 2,023 Total assets $ 2,412,788 $ 2,463,216 Liabilities and Stockholders' Equity Liabilities: Other borrowings $ 183,762 $ 183,762 Accounts payable and other liabilities 8,601 4,275 Total liabilities 192,363 188,037 Stockholders' equity 2,220,425 2,275,179 Total liabilities and stockholders' equity $ 2,412,788 $ 2,463,216
Statements of Income (Loss) [Table Text Block]	Statements of Income (Unaudited) Quarter Ended March 31, March 31, 2021 2020 (In thousands) Income: Interest income on money market investments $ 16 $ 33 Dividend income from banking subsidiaries 18,801 13,629 Other income 38 61 18,855 13,723 Expense: Other borrowings 1,294 2,032 Other operating expenses 499 523 1,793 2,555 Income before income taxes and equity in undistributed earnings (losses) of subsidiaries 17,062 11,168 Income tax provision 1,129 1,382 Equity in undistributed earnings (losses) of subsidiaries 45,217 ( 7,520) Net income $ 61,150 $ 2,266 Other comprehensive (loss) income, net of tax ( 98,929) 42,352 Comprehensive (loss) income $ ( 37,779) $ 44,618

BUSINESS COMBINATION - Estimate

BUSINESS COMBINATION - Estimated Fair Value of Net Assets Acquired (Detail) - BSPR $ in Thousands	Sep. 01, 2020USD ($)
Fair Value Disclosure Item Amounts [Domain] | Measurment Period Adjustments [Member]
Business Acquisition [Line Items]
Total purchase price consideration (cash)	$ 3,382
Fair value of assets acquired:
Cash and cash equivalents	0
Investment securities	0
Loans, net	(216)
Premises and equipment, net	0
Intangibles	448
Other assets	(195)
Total assets and identifiable intangible assets acquired	37
Fair value of liabilities assumed:
Deposits	0
Other liabilities	865
Total liabilities assumed	865
Fair value of net assets and identifiable intangible assets	(828)
Goodwill	4,210
Fair Value Disclosure Item Amounts [Domain] | Measurment Period Adjustments [Member] | Residential Portfolio Segment [Member]
Fair value of assets acquired:
Loans, net	540
Fair Value Disclosure Item Amounts [Domain] | Measurment Period Adjustments [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Fair value of assets acquired:
Loans, net	122
Fair Value Disclosure Item Amounts [Domain] | Measurment Period Adjustments [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Fair value of assets acquired:
Loans, net	(390)
Fair Value Disclosure Item Amounts [Domain] | Measurment Period Adjustments [Member] | Consumer Portfolio Segment [Member]
Fair value of assets acquired:
Loans, net	(488)
Fair Value Disclosure Item Amounts [Domain] | Fair Value as Originally Recorded
Business Acquisition [Line Items]
Total purchase price consideration (cash)	1,277,626
Fair Value Disclosure Item Amounts [Domain] | Fair Value as Remeasured
Business Acquisition [Line Items]
Total purchase price consideration (cash)	1,281,008
Estimate Of Fair Value Fair Value Disclosure [Member] | Fair Value as Originally Recorded
Fair value of assets acquired:
Cash and cash equivalents	1,684,252
Investment securities	1,167,225
Loans, net	2,514,916
Premises and equipment, net	12,499
Intangibles	39,232
Other assets	144,008
Total assets and identifiable intangible assets acquired	5,562,132
Fair value of liabilities assumed:
Deposits	4,194,940
Other liabilities	95,869
Total liabilities assumed	4,290,809
Fair value of net assets and identifiable intangible assets	1,271,323
Goodwill	6,303
Estimate Of Fair Value Fair Value Disclosure [Member] | Fair Value as Originally Recorded | Residential Portfolio Segment [Member]
Fair value of assets acquired:
Loans, net	807,637
Estimate Of Fair Value Fair Value Disclosure [Member] | Fair Value as Originally Recorded | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Fair value of assets acquired:
Loans, net	740,919
Estimate Of Fair Value Fair Value Disclosure [Member] | Fair Value as Originally Recorded | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Fair value of assets acquired:
Loans, net	752,154
Estimate Of Fair Value Fair Value Disclosure [Member] | Fair Value as Originally Recorded | Consumer Portfolio Segment [Member]
Fair value of assets acquired:
Loans, net	214,206
Estimate Of Fair Value Fair Value Disclosure [Member] | Fair Value as Remeasured
Fair value of assets acquired:
Cash and cash equivalents	1,684,252
Investment securities	1,167,225
Loans, net	2,514,700
Premises and equipment, net	12,499
Intangibles	39,680
Other assets	143,813
Total assets and identifiable intangible assets acquired	5,562,169
Fair value of liabilities assumed:
Deposits	4,194,940
Other liabilities	96,734
Total liabilities assumed	4,291,674
Fair value of net assets and identifiable intangible assets	1,270,495
Goodwill	10,513
Estimate Of Fair Value Fair Value Disclosure [Member] | Fair Value as Remeasured | Residential Portfolio Segment [Member]
Fair value of assets acquired:
Loans, net	808,177
Estimate Of Fair Value Fair Value Disclosure [Member] | Fair Value as Remeasured | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Fair value of assets acquired:
Loans, net	741,041
Estimate Of Fair Value Fair Value Disclosure [Member] | Fair Value as Remeasured | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Fair value of assets acquired:
Loans, net	751,764
Estimate Of Fair Value Fair Value Disclosure [Member] | Fair Value as Remeasured | Consumer Portfolio Segment [Member]
Fair value of assets acquired:
Loans, net	$ 213,718

BUSINESS COMBINATION - Addition

BUSINESS COMBINATION - Additional Information (Detail) - USD ($) $ in Thousands	Sep. 01, 2020	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Mar. 31, 2021
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition	Sep. 1, 2020
Merger and Restructuring costs		$ 11,267	$ 845		$ 49,200
Adjustments		$ (21)		$ 4,231
Santander [Member]
Business Acquisition [Line Items]
Business Acquisition, Name of Acquired Entity	Banco Santander Puerto Rico
Adjustments	$ 4,200

EARNINGS PER COMMON SHARE - Cal

EARNINGS PER COMMON SHARE - Calculations of Earnings Per Common Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Net Income (Loss):
Net income	$ 61,150	$ 2,266
Preferred stock dividends	(669)	(669)
Net income attributable to common stockholders	$ 60,481	$ 1,597
Weighted-Average Shares:
Average common shares outstanding	217,033	216,785
Average potential dilutive common shares	1,244	529
Average common shares outstanding - assuming dilution	218,277	217,314
Income (loss) per common share:
Basic	$ 0.28	$ 0.01
Diluted	$ 0.28	$ 0.01

STOCK-BASED COMPENSATION - Omni

STOCK-BASED COMPENSATION - Omnibus Plan - Additional Information (Detail) - Omnibus Plan [Member]	Mar. 31, 2021shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized granting up shares	14,169,807
Authorizd shares of common stock available for issuance	5,081,833

STOCK-BASED COMPENSATION - Rest

STOCK-BASED COMPENSATION - Restricted Stock - Additional Information (Detail) - Omnibus Plan [Member] - Restricted Stock [Member] - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted shares of restricted stock	292,201
Stock-based compensation expense	$ 0.9	$ 0.8
Unrecognized compensation cost related to unvested shares	$ 5.4
Period for cost recognition not yet recognized	1 year 10 months 24 days
Independent directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted shares of restricted stock	3,552
Restricted stock vesting period		1 year
Management [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted shares of restricted stock	288,649	851,673
Rtirement Eligible Shares	19,271	47,194
Management [Member] | Restricted stock vesting after two-year anniversary of the grant date [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock vesting percentage	50.00%	50.00%
Management [Member] | Restricted stock vesting after three-year anniversary of the grant date [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock vesting percentage	50.00%	50.00%

STOCK-BASED COMPENSATION - Re_2

STOCK-BASED COMPENSATION - Restricted Stock Activity Under Omnibus Plan (Detail) - Omnibus Plan [Member] - Restricted Stock [Member]	3 Months Ended
	Mar. 31, 2021$ / sharesshares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning of year | shares	1,320,723
Granted | shares	292,201
Forefeited | shares	(8,340)
Vested | shares	(285,342)
End of period | shares	1,319,242
Weighted-Average Grant Date Fair Value, beginning of period | $ / shares	$ 5.74
Weighted-Average Grant Date Fair Value of Stocks | $ / shares	11.26
Weighted-Averages Grant Date Dair Value, Forefeitures | $ / shares	5.98
Weighted-Averages Grant Date Fair Value, Vested | $ / shares	8.41
Weighted-Average Grant Date Fair Value, end of period | $ / shares	$ 6.38

STOCK-BASED COMPENSATION - Perf

STOCK-BASED COMPENSATION - Performance Units - Additional Information (Detail) - Omnibus Plan [Member] - Performance Shares [Member] - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted performance units	160,485
Stock-based compensation expense	$ 0.5	$ 0.3
Unrecognized compensation cost related to unvested performance units	$ 3.9
Vested	304,408
Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted performance units	160,485	502,307	200,053
Requisite service period	3 years	3 years
Performance Units Program Description	The performance units will vest based on the achievement of a pre-established tangible book value per share target as of December 31, 2023. All of the performance units will vest if performance is at the pre-established performance target level or above. However, the participants may vest with respect to 50% of the awards to the extent that performance is below the target but at 80% of the pre-established performance target level (the “80% minimum threshold”), which is measured based upon the growth in the tangible book value during the performance cycle. If performance is between the 80% minimum threshold and the pre-established performance target level, the participants will vest on a proportional amount. No performance units will vest if performance is below the 80% minimum threshold.
Vested	304,408

STOCK-BASED COMPENSATION - Pe_2

STOCK-BASED COMPENSATION - Performance Units Activity Under Omnibus Plan (Detail) - Omnibus Plan [Member] - Performance Shares [Member]	3 Months Ended
	Mar. 31, 2021shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning of year	1,006,768
Granted	160,485
Vested	(304,408)
End of period	862,845

STOCK-BASED COMPENSATION - Shar

STOCK-BASED COMPENSATION - Shares Withheld - Additional Information (Detail) - shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock repurchased	194,471	50,285
Omnibus Plan [Member] | Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock repurchased	194,471	50,285

INVESTMENT SECURITIES - Investm

INVESTMENT SECURITIES - Investment Securities Available for Sale (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Schedule of Available-for-sale Securities [Line Items]
Fair value	$ 5,406,790	$ 4,647,019
Weighted-average yield	1.16%	1.28%
Gross Unrealized loss	$ 80,656	$ 5,517
Gross Unrealized gain	45,205	68,995
Amortized cost	5,443,424	4,584,851
Allowance for Credit Losses	1,183	1,310	$ 368	$ 0
U S Treasury Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost Due within one year		7,498
Gross Unrealized gains Due within one year		9
Gross Unrealized losses Due within one year		0
Allowance for Credit Losses Within one year		0
Fair value Due within one year		$ 7,507
Weighted-average yield Due within one year		1.65%
Amortized cost After 1 to 5 years	7,482
Gross Unrealized gains After 1 to 5 years	0
Gross Unrealized losses After 1 to 5 years	16
Allowance for Credit Losses After 1 to 5 years	0
Fair value After 1 to 5 years	$ 7,466
Weighted-average yield After 1 to 5 years	0.22%
U.S. government-sponsored agencies obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost Due within one year	$ 17,890	$ 24,413
Gross Unrealized gains Due within one year	171	273
Gross Unrealized losses Due within one year	0	0
Allowance for Credit Losses Within one year	0	0
Fair value Due within one year	$ 18,061	$ 24,686
Weighted-average yield Due within one year	2.00%	1.95%
Amortized cost After 1 to 5 years	$ 751,657	$ 691,668
Gross Unrealized gains After 1 to 5 years	562	911
Gross Unrealized losses After 1 to 5 years	8,181	290
Allowance for Credit Losses After 1 to 5 years	0	0
Fair value After 1 to 5 years	$ 744,038	$ 692,289
Weighted-average yield After 1 to 5 years	0.57%	0.57%
Amortized cost After 5 to 10 years	$ 623,758	$ 441,454
Gross Unrealized gains After 5 to 10 years	299	821
Gross Unrealized losses After 5 to 10 years	15,065	347
Fair value After 5 to 10 years	$ 608,992	$ 441,928
Weighted-average yield After 5 to 10 years	0.84%	0.83%
Amortized cost After 10 years	$ 20,882	$ 21,413
Gross Unrealized gains After 10 years	0	0
Gross Unrealized losses After 10 years	148	149
Allowance for Credit Losses After 10 years	0	0
Fair value After 10 years	$ 20,734	$ 21,264
Weighted-average yield After 10 years	0.65%	0.65%
Allowance for Credit Losses After 5 to 10 years	$ 0	$ 0
Puerto Rico Government obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost After 10 years	3,926	3,987
Gross Unrealized gains After 10 years	0	0
Gross Unrealized losses After 10 years	789	780
Allowance for Credit Losses After 10 years	308	308
Fair value After 10 years	$ 2,829	$ 2,899
Weighted-average yield After 10 years	6.97%	6.97%
Allowance for Credit Losses			0	0
United States And Puerto Rico Government Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value	$ 1,402,120	$ 1,190,573
Weighted-average yield	0.72%	0.72%
Gross Unrealized loss	$ 24,199	$ 1,566
Gross Unrealized gain	1,032	2,014
Amortized cost	1,425,595	1,190,433
Allowance for Credit Losses	308	308
Mortgage Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value	$ 4,004,020	$ 3,455,796
Weighted-average yield	1.32%	1.47%
Gross Unrealized loss	$ 56,457	$ 3,951
Gross Unrealized gain	44,173	66,981
Amortized cost	4,017,179	3,393,768
Allowance for Credit Losses	875	1,002
Mortgage Backed Securities [Member] | FHLMC [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost Due within one year	67
Gross Unrealized gains Due within one year	7
Gross Unrealized losses Due within one year	0
Allowance for Credit Losses Within one year	0
Fair value Due within one year	$ 74
Weighted-average yield Due within one year	4.85%
Amortized cost After 1 to 5 years		75
Gross Unrealized gains After 1 to 5 years		8
Gross Unrealized losses After 1 to 5 years		0
Allowance for Credit Losses After 1 to 5 years		0
Fair value After 1 to 5 years		$ 83
Weighted-average yield After 1 to 5 years		4.86%
Amortized cost After 5 to 10 years	$ 60,565	$ 60,773
Gross Unrealized gains After 5 to 10 years	2,334	2,850
Gross Unrealized losses After 5 to 10 years	0	0
Fair value After 5 to 10 years	$ 62,899	$ 63,623
Weighted-average yield After 5 to 10 years	2.15%	2.15%
Amortized cost After 10 years	$ 1,347,232	$ 1,070,984
Gross Unrealized gains After 10 years	7,516	15,340
Gross Unrealized losses After 10 years	24,020	159
Allowance for Credit Losses After 10 years	0	0
Fair value After 10 years	$ 1,330,728	$ 1,086,165
Weighted-average yield After 10 years	1.21%	1.38%
Fair value	$ 1,393,701	$ 1,149,871
Weighted-average yield	1.25%	1.42%
Gross Unrealized loss	$ 24,020	$ 159
Gross Unrealized gain	9,857	18,198
Amortized cost	1,407,864	1,131,832
Allowance for Credit Losses After 5 to 10 years	0	0
Allowance for Credit Losses	0	0
Mortgage Backed Securities [Member] | GNMA [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost Due within one year	1	1
Gross Unrealized gains Due within one year	0	0
Gross Unrealized losses Due within one year	0	0
Allowance for Credit Losses Within one year	0	0
Fair value Due within one year	$ 1	$ 1
Weighted-average yield Due within one year	1.63%	1.93%
Amortized cost After 1 to 5 years	$ 23,917	$ 26,918
Gross Unrealized gains After 1 to 5 years	1,026	1,080
Gross Unrealized losses After 1 to 5 years	0	0
Allowance for Credit Losses After 1 to 5 years	0	0
Fair value After 1 to 5 years	$ 24,943	$ 27,998
Weighted-average yield After 1 to 5 years	2.91%	2.91%
Amortized cost After 5 to 10 years	$ 36,984	$ 40,727
Gross Unrealized gains After 5 to 10 years	228	128
Gross Unrealized losses After 5 to 10 years	195	69
Fair value After 5 to 10 years	$ 37,017	$ 40,786
Weighted-average yield After 5 to 10 years	0.35%	0.42%
Amortized cost After 10 years	$ 504,084	$ 614,584
Gross Unrealized gains After 10 years	12,743	16,271
Gross Unrealized losses After 10 years	1,670	148
Allowance for Credit Losses After 10 years	0	0
Fair value After 10 years	$ 515,157	$ 630,707
Weighted-average yield After 10 years	1.11%	1.27%
Fair value	$ 577,118	$ 699,492
Weighted-average yield	1.14%	1.29%
Gross Unrealized loss	$ 1,865	$ 217
Gross Unrealized gain	13,997	17,479
Amortized cost	564,986	682,230
Allowance for Credit Losses After 5 to 10 years	0	0
Allowance for Credit Losses	0	0
Mortgage Backed Securities [Member] | FNMA [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost After 1 to 5 years	24,800	24,812
Gross Unrealized gains After 1 to 5 years	717	891
Gross Unrealized losses After 1 to 5 years	0	0
Allowance for Credit Losses After 1 to 5 years	0	0
Fair value After 1 to 5 years	$ 25,517	$ 25,703
Weighted-average yield After 1 to 5 years	2.81%	2.81%
Amortized cost After 5 to 10 years	$ 133,177	$ 110,832
Gross Unrealized gains After 5 to 10 years	4,015	5,783
Gross Unrealized losses After 5 to 10 years	546	0
Fair value After 5 to 10 years	$ 136,646	$ 116,615
Weighted-average yield After 5 to 10 years	1.84%	2.13%
Amortized cost After 10 years	$ 1,471,162	$ 1,154,707
Gross Unrealized gains After 10 years	14,726	23,459
Gross Unrealized losses After 10 years	22,097	203
Allowance for Credit Losses After 10 years	0	0
Fair value After 10 years	$ 1,463,791	$ 1,177,963
Weighted-average yield After 10 years	1.35%	1.53%
Fair value	$ 1,625,954	$ 1,320,281
Weighted-average yield	1.41%	1.61%
Gross Unrealized loss	$ 22,643	$ 203
Gross Unrealized gain	19,458	30,133
Amortized cost	1,629,139	1,290,351
Allowance for Credit Losses After 5 to 10 years	0	0
Allowance for Credit Losses	0	0
Mortgage Backed Securities [Member] | Collateralized mortgage obligations guaranteed by the FHLMC, FNMA and GNMA [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost After 1 to 5 years	446	538
Gross Unrealized gains After 1 to 5 years	0	0
Gross Unrealized losses After 1 to 5 years	1	1
Allowance for Credit Losses After 1 to 5 years	0	0
Fair value After 1 to 5 years	$ 445	$ 537
Weighted-average yield After 1 to 5 years	0.78%	0.81%
Amortized cost After 5 to 10 years	$ 40,922	$ 18,438
Gross Unrealized gains After 5 to 10 years	128	152
Gross Unrealized losses After 5 to 10 years	336	0
Fair value After 5 to 10 years	$ 40,714	$ 18,590
Weighted-average yield After 5 to 10 years	1.10%	0.80%
Amortized cost After 10 years	$ 362,100	$ 258,069
Gross Unrealized gains After 10 years	733	1,019
Gross Unrealized losses After 10 years	5,042	491
Allowance for Credit Losses After 10 years	0	0
Fair value After 10 years	$ 357,791	$ 258,597
Weighted-average yield After 10 years	1.45%	1.56%
Fair value	$ 398,950	$ 277,724
Weighted-average yield	1.41%	1.51%
Gross Unrealized loss	$ 5,379	$ 492
Gross Unrealized gain	861	1,171
Amortized cost	403,468	277,045
Allowance for Credit Losses After 5 to 10 years	0	0
Allowance for Credit Losses	0	0
Mortgage Backed Securities [Member] | Private label [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost After 10 years	11,722	12,310
Gross Unrealized gains After 10 years	0	0
Gross Unrealized losses After 10 years	2,550	2,880
Allowance for Credit Losses After 10 years	875	1,002
Fair value After 10 years	$ 8,297	$ 8,428
Weighted-average yield After 10 years	2.20%	2.25%
Fair value	$ 8,300
Weighted-average yield	2.20%
Gross Unrealized loss	$ 3,400
Allowance for Credit Losses	875	$ 1,002	$ 368	$ 0
Other Debt Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost After 1 to 5 years	650	650
Gross Unrealized gains After 1 to 5 years	0	0
Gross Unrealized losses After 1 to 5 years	0	0
Allowance for Credit Losses After 1 to 5 years	0	0
Fair value After 1 to 5 years	$ 650	$ 650
Weighted-average yield After 1 to 5 years	2.90%	2.94%

INVESTMENT SECURITIES - Additio

INVESTMENT SECURITIES - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Schedule Of Investments [Line Items]
Gain on Sale of Investments	$ 0	$ 8,247,000
Fair value	5,406,790,000		$ 4,647,019,000
Gross Unrealized loss	80,656,000		5,517,000
Allowance for Credit Losse, Available-for-sale securities	1,183,000	368,000	1,310,000	$ 0
Allowance for Credit Losse, Held-to-maturity securities	8,869,000		8,845,000
Debt Securities, Held-to-maturity, Past Due	$ 0
Debt Securities, Held-to-maturity, Threshold Period Past Due	30 days
Accrued interest receivable on loans and investments	$ 61,511,000		69,505,000
Municipal Bonds [Member] | Puerto Rico [Member]
Schedule Of Investments [Line Items]
Allowance for Credit Losse, Held-to-maturity securities	8,869,000	9,268,000	8,845,000	0
Held to Maturity Amortized cost	189,680,000		189,488,000
Cash and Cash Equivalents [Member]
Schedule Of Investments [Line Items]
Held to Maturity Amortized cost	0		0
MBS [Member]
Schedule Of Investments [Line Items]
Proceeds From Sale Of Available For Sale Securities	275,600,000
Gain on Sale of Investments	8,200,000
Fair value	4,004,020,000		3,455,796,000
Gross Unrealized loss	56,457,000		3,951,000
Allowance for Credit Losse, Available-for-sale securities	875,000		1,002,000
MBS [Member] | Private label [Member]
Schedule Of Investments [Line Items]
Fair value	8,300,000
Gross Unrealized loss	3,400,000
Allowance for Credit Losse, Available-for-sale securities	875,000	368,000	1,002,000	0
Puerto Rico Government obligations [Member]
Schedule Of Investments [Line Items]
Allowance for Credit Losse, Available-for-sale securities		0		$ 0
Puerto Rico Government obligations [Member] | Residential Mortgage Backed Securities [Member]
Schedule Of Investments [Line Items]
Fair value	2,800,000
Gross Unrealized loss	1,100,000
Provision for Other Credit Losses	$ 300,000
Available-for-sale Securities [Member]
Schedule Of Investments [Line Items]
Percentage Of Debt Securities Government And Government Sponsored Agencies	99.00%
Accrued interest receivable on loans and investments	$ 9,600,000		8,500,000
Available-for-sale Securities [Member] | MBS [Member] | Private label [Member] | FICO Score, Greater than 700 [Member] | LTV Less than 80 Percent [Member]
Schedule Of Investments [Line Items]
Financing Receivable, Credit Quality, Additional Information	The underlying collateral is fixed-rate, single-family residential mortgage loans in the United State with original FICO scores over 700 and moderate loan-to-value ratios (under 80%), as well as moderate delinquency levels.
Available-for-sale Securities [Member] | MBS [Member] | Private label [Member] | LIBOR [Member]
Schedule Of Investments [Line Items]
Loans Receivable, Description of Variable Rate Basis	The interest rate on these private-label MBS is variable, tied to 3-month LIBOR and limited to the weighted-average coupon on the underlying collateral.
Available-for-sale Securities [Member] | Puerto Rico Government obligations [Member]
Schedule Of Investments [Line Items]
Allowance for Credit Losse, Available-for-sale securities	$ 308,000		308,000
Held-to-maturity Securities [Member]
Schedule Of Investments [Line Items]
Accrued interest receivable on loans and investments	1,800,000		$ 3,600,000
Held-to-maturity Securities [Member] | Municipal Bonds [Member] | Puerto Rico [Member]
Schedule Of Investments [Line Items]
Provision for Other Credit Losses	$ 24,000	$ 0

INVESTMENT SECURITIES - Availab

INVESTMENT SECURITIES - Available-For-Sale Investments' Fair Value And Gross Unrealized Losses (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Schedule of Available-for-sale Securities [Line Items]
Fair Value Less than 12 months	$ 3,800,124	$ 782,960
Unrealized Losses Less than 12 months	77,042	1,610
Fair Value 12 months or more	47,758	44,465
Unrealized Losses 12 months or more	3,614	3,907
Total Fair Value	3,847,882	827,425
Total Unrealized Losses	80,656	5,517
Puerto Rico Government obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value Less than 12 months	0	0
Unrealized Losses Less than 12 months	0	0
Fair Value 12 months or more	2,829	2,899
Unrealized Losses 12 months or more	789	780
Total Fair Value	2,829	2,899
Total Unrealized Losses	789	780
U.S. Treasury and U.S. government agencies obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value Less than 12 months	1,234,071	425,155
Unrealized Losses Less than 12 months	23,236	621
Fair Value 12 months or more	27,332	23,377
Unrealized Losses 12 months or more	174	165
Total Fair Value	1,261,403	448,532
Total Unrealized Losses	23,410	786
Mortgage Backed Securities [Member] | FNMA [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value Less than 12 months	1,138,051	93,509
Unrealized Losses Less than 12 months	22,643	203
Fair Value 12 months or more	0	0
Unrealized Losses 12 months or more	0	0
Total Fair Value	1,138,051	93,509
Total Unrealized Losses	22,643	203
Mortgage Backed Securities [Member] | FHLMC [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value Less than 12 months	1,025,221	89,292
Unrealized Losses Less than 12 months	24,020	159
Fair Value 12 months or more	0	0
Unrealized Losses 12 months or more	0	0
Total Fair Value	1,025,221	89,292
Total Unrealized Losses	24,020	159
Mortgage Backed Securities [Member] | GNMA [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value Less than 12 months	116,960	70,504
Unrealized Losses Less than 12 months	1,865	217
Fair Value 12 months or more	0	0
Unrealized Losses 12 months or more	0	0
Total Fair Value	116,960	70,504
Total Unrealized Losses	1,865	217
Mortgage Backed Securities [Member] | Collateralized mortgage obligations guaranteed by the FHLMC, FNMA and GNMA [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value Less than 12 months	285,821	104,500
Unrealized Losses Less than 12 months	5,278	410
Fair Value 12 months or more	9,300	9,761
Unrealized Losses 12 months or more	101	82
Total Fair Value	295,121	114,261
Total Unrealized Losses	5,379	492
Mortgage Backed Securities [Member] | Private label [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value Less than 12 months	0	0
Unrealized Losses Less than 12 months	0	0
Fair Value 12 months or more	8,297	8,428
Unrealized Losses 12 months or more	2,550	2,880
Total Fair Value	8,297	8,428
Total Unrealized Losses	$ 2,550	$ 2,880

INVESTMENT SECURITIES - Signifi

INVESTMENT SECURITIES - Significant Assumptions in Valuation of Private Label MBS (Detail) - MBS [Member] - Private label [Member]	Mar. 31, 2021	Dec. 31, 2020
Discount rate [Member] | Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	0.129	0.122
Discount rate [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	0.129	0.122
Discount rate [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	0.129	0.122
Prepayment rate [Member] | Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	0.136	0.121
Prepayment rate [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	0.007	0.012
Prepayment rate [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	0.219	0.188
Projected Cumulative Loss Rate [Member] | Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	0.077	0.102
Projected Cumulative Loss Rate [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	0.001	0.026
Projected Cumulative Loss Rate [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	0.178	0.223

INVESTMENT SECURITIES - ACL on

INVESTMENT SECURITIES - ACL on Debt Securities Available-for-Sale (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Jan. 01, 2020
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items]
Beginning Balance	$ 1,310	$ 0
Addtions for securities for which previous expected credit losses were recognized (provision for credit losses)	127	368
Ending Balance	1,183	368
Cumulative Effect Period Of Adoption Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items]
Impact of ASC 326 on Available-for-sale securities			$ 0
MBS [Member]
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items]
Beginning Balance	1,002
Ending Balance	875
MBS [Member] | Private label [Member]
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items]
Beginning Balance	1,002	0
Addtions for securities for which previous expected credit losses were recognized (provision for credit losses)	127	368
Ending Balance	875	368
MBS [Member] | Private label [Member] | Cumulative Effect Period Of Adoption Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items]
Impact of ASC 326 on Available-for-sale securities			0
Puerto Rico Government obligations [Member]
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items]
Beginning Balance		0
Addtions for securities for which previous expected credit losses were recognized (provision for credit losses)	0	0
Ending Balance		$ 0
Puerto Rico Government obligations [Member] | Cumulative Effect Period Of Adoption Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items]
Impact of ASC 326 on Available-for-sale securities			$ 0
Available-for-sale Securities [Member] | Puerto Rico Government obligations [Member]
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items]
Beginning Balance	308
Ending Balance	$ 308

INVESTMENT SECURITIES - Inves_2

INVESTMENT SECURITIES - Investment Securities Held to Maturity (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Schedule Of Held To Maturity Securities [Line Items]
Held to Maturity Fair value	$ 178,314	$ 173,806
Allowance for Credit Losse, Held-to-maturity securities	8,869	8,845
Municipal Bonds [Member] | Puerto Rico [Member]
Schedule Of Held To Maturity Securities [Line Items]
Held to Matury Amortized Due Withing One Year	2,968	556
Held to Maturity Gross Unrecognized gain Due Within One Year	3	7
Held to Maturity Gross Unrecognized losses Due Within One Year	26	0
Held to Maturity Fair value Due Within One Year	2,945	563
Allowance for credit losses Withing One Year	$ 52	$ 0
Held to Maturity Weighted-average yield Due withing One Year	5.38%	5.41%
Held to Maturity Amortized Cost After 1 to 5 years	$ 14,843	$ 17,297
Held to Maturity Gross Unrecognized gains After 1 to 5 years	659	561
Held to Maturity Gross Unrecognized losses After 1 to 5 years	136	305
Held to Maturity Fair value After 1 to 5 years	15,366	17,553
Allowance for credit losses After 1 to 5 years	$ 601	$ 576
Held to Maturity Weighted-average yield After 1 to 5 years	2.57%	3.00%
Held to Maturity Amortized Cost After 5 to 10 years	$ 88,564	$ 88,394
Held to Maturity Gross Unrecognized gains After 5 to 10 years	1,603	1,388
Held to Maturity Gross Unrecognized losses After 5 to 10 year	1,568	3,146
Held to Maturity Fair value After 5 to 10 years	88,599	86,636
Allowance for credit losses After 5 to 10 years	$ 3,967	$ 4,401
Held to Maturity Weighted-average yield After 5 to 10 years	4.65%	4.66%
Held to Maturity Weighted-average yield	4.03%	4.03%
Held to Maturity Amortized Cost After 10 years	$ 83,305	$ 83,241
Held to Maturity Gross Unrecognized gains After 10	0	0
Held to Maturity Gross Unrecognized losses After 10	11,901	14,187
Held to Maturity Fair value After 10 years	71,404	69,054
Allowance for credit losses After 10 years	$ 4,249	$ 3,868
Held to Maturity Weighted-average yield After 10 years	3.57%	3.57%
Held to Maturity Amortized cost	$ 189,680	$ 189,488
Held to Maturity Gross Unrecognized gains	2,265	1,956
Held to Maturity Fair value	178,314	173,806
Allowance for Credit Losse, Held-to-maturity securities	8,869	8,845	$ 9,268	$ 0
Held to Maturity Gross Unrecognized losses	$ 13,631	$ 17,638

INVESTMENT SECURITIES - Inves_3

INVESTMENT SECURITIES - Investment Securities Held to Maturity (Securities in continuous unrealized loss position) (Detail) - Puerto Rico [Member] - Municipal Bonds [Member] - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Schedule Of Held To Maturity Securities [Line Items]
HTM Fair Value Less than 12 months	$ 24,566	$ 28,252
HTM Unrealized Losses Less than 12 months	1,002	1,611
HTM Fair Value 12 months or more	116,302	116,216
HTM Unrealized Losses 12 months or more	12,629	16,027
HTM Fair Value	140,868	144,468
HTM Unrealized Losses	$ 13,631	$ 17,638

INVESTMENT SECURITIES - ACL for

INVESTMENT SECURITIES - ACL for Debt Securities Held-to-Maturity (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Jan. 01, 2020
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Beginning Balance	$ 8,845
Ending Balance	8,869
Municipal Bonds [Member] | PUERTO RICO
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Beginning Balance	8,845	$ 0
Ending Balance	8,869	9,268
Municipal Bonds [Member] | PUERTO RICO | ASC 326 | Cumulative Effect Period Of Adoption Adjustment [Member]
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Impact of adopting ASC 326 on Held-to-maturity securities			$ 8,134
Municipal Bonds [Member] | PUERTO RICO | Held-to-maturity Securities [Member]
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Provision for Other Credit Losses	24	0
Addtions for securities for which no previous expected credit losses were recognized (provision for credit losses)	$ 0	$ 1,134

INVESTMENT SECURITIES - Debt Se

INVESTMENT SECURITIES - Debt Securities Held-to-Maturity by Credit Quality Indicator (Detail) - Municipal Bonds [Member] - Puerto Rico [Member] - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Schedule Of Held To Maturity Securities [Line Items]
Held to Maturity Amortized cost	$ 189,680	$ 189,488
Pass [Member]
Schedule Of Held To Maturity Securities [Line Items]
Held to Maturity Amortized cost	189,680	189,488
Special Mention [Member]
Schedule Of Held To Maturity Securities [Line Items]
Held to Maturity Amortized cost	0	0
Substandard [Member]
Schedule Of Held To Maturity Securities [Line Items]
Held to Maturity Amortized cost	0	0
Doubtful [Member]
Schedule Of Held To Maturity Securities [Line Items]
Held to Maturity Amortized cost	0	0
Loss [Member]
Schedule Of Held To Maturity Securities [Line Items]
Held to Maturity Amortized cost	$ 0	$ 0

EQUITY SECURITIES - Additional

EQUITY SECURITIES - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Summary of Investment Holdings [Line Items]
Capital stock par value	$ 100
Book value of investment in FHLB stock	$ 31,200		$ 31,200
Market-to-market gain (loss)	10,138	$ 7,626
Equity Securities without Readily Determinable Fair Value, Amount	41,558		37,588
Equity Securities [Member]
Summary of Investment Holdings [Line Items]
Equity Securities, FV-NI	5,400		1,500
Market-to-market gain (loss)	(31)	27
Equity Securities without Readily Determinable Fair Value, Amount	4,900		$ 4,900
Investment in Federal Home Loan Bank Stock [Member]
Summary of Investment Holdings [Line Items]
Dividend income from FHLB stock	$ 400	$ 600

LOANS HELD FOR INVESTMENT - Loa

LOANS HELD FOR INVESTMENT - Loan Portfolio Held for Investment (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, before Allowance for Credit Loss	$ 11,641,859	$ 11,777,289
Less: allowance for loan and lease losses	(358,936)	(385,887)	$ (292,774)	$ (155,139)
Loans, net of allowance for credit losses of $358,936 (2020 - $385,887)	11,282,923	11,391,402
Residential Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss	3,395,081	3,521,954
Less: allowance for loan and lease losses	(114,044)	(120,311)	(107,082)	(44,806)
Commercial Portfolio Segment [Member] | Commercial and Industrial loans [Member]
Financing Receivable, before Allowance for Credit Loss	3,182,706	3,202,590
Less: allowance for loan and lease losses	(32,087)	(37,944)	(38,310)	(15,198)
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, before Allowance for Credit Loss	2,216,887	2,230,602
Less: allowance for loan and lease losses	(99,782)	(109,342)	(33,971)	(39,194)
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, before Allowance for Credit Loss	190,996	212,500
Less: allowance for loan and lease losses	(4,915)	(5,380)	(5,253)	(2,370)
Consumer Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss	2,656,189	2,609,643
Less: allowance for loan and lease losses	$ (108,108)	$ (112,910)	$ (108,158)	$ (53,571)

LOANS HELD FOR INVESTMENT - L_2

LOANS HELD FOR INVESTMENT - Loan Portfolio Held for Investment (Parenthetical) (Detail) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Apr. 30, 2021	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Financing Receivable, before Allowance for Credit Loss		$ 11,641,859		$ 11,777,289
Financing Receivable, Unamortized Loan Fee (Cost) and Purchase Premium (Discount)		44,600		48,000
Loans held for investment transferred to held for sale		28,283	$ 3,535
Charge-offs		(16,234)	(20,195)
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, before Allowance for Credit Loss		3,182,706		3,202,590
Charge-offs		(809)	$ (125)
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Criticized [Member]
Loans held for investment transferred to held for sale		28,200
Charge-offs		(700)
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Criticized [Member] | Loans Held For Sale [Member]
Charge-offs		(700)
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Criticized [Member] | Loans held for sale sold [Member]
Loans sales	$ 9,700	14,300
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | COVID-19 [Member] | US Government Insured Loan Program [Member]
Financing Receivable, before Allowance for Credit Loss		430,500		406,000
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Commercial loans secured by real estate
Financing Receivable, before Allowance for Credit Loss		$ 1,000,000		$ 1,000,000

LOANS HELD FOR INVESTMENT - Cor

LOANS HELD FOR INVESTMENT - Corporation's nonaccrual status and loans 90 days or more still accruing (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	$ 48,103		$ 46,736
Nonaccrual Loans with ACL	152,998		158,353
Total Nonaccrual Loans	201,101		205,089
Loans Past Due 90 days or more Still Accruing	159,597		145,095
Interest Income Recognized on Nonaccrual Loans	532	$ 615
Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	44,863		43,591
Nonaccrual Loans with ACL	140,595		145,691
Total Nonaccrual Loans	185,458		189,282
Loans Past Due 90 days or more Still Accruing	159,347		144,845
Interest Income Recognized on Nonaccrual Loans	445	505
Florida region [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	3,240		3,145
Nonaccrual Loans with ACL	12,403		12,662
Total Nonaccrual Loans	15,643		15,807
Loans Past Due 90 days or more Still Accruing	250		250
Interest Income Recognized on Nonaccrual Loans	87	110
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	16,439		15,002
Nonaccrual Loans with ACL	115,900		110,365
Total Nonaccrual Loans	132,339		125,367
Loans Past Due 90 days or more Still Accruing	38,615		38,834
Interest Income Recognized on Nonaccrual Loans	376	377
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	13,735		12,418
Nonaccrual Loans with ACL	104,067		98,527
Total Nonaccrual Loans	117,802		110,945
Loans Past Due 90 days or more Still Accruing	38,615		38,834
Interest Income Recognized on Nonaccrual Loans	312	294
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Florida region [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	2,704		2,584
Nonaccrual Loans with ACL	11,833		11,838
Total Nonaccrual Loans	14,537		14,422
Loans Past Due 90 days or more Still Accruing	0		0
Interest Income Recognized on Nonaccrual Loans	64	83
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	0		0
Nonaccrual Loans with ACL	0		0
Total Nonaccrual Loans	0		0
Loans Past Due 90 days or more Still Accruing	99,207		99,243
Interest Income Recognized on Nonaccrual Loans	0	0
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	0		0
Nonaccrual Loans with ACL	0		0
Total Nonaccrual Loans	0		0
Loans Past Due 90 days or more Still Accruing	98,957		98,993
Interest Income Recognized on Nonaccrual Loans	0	0
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member] | Florida region [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	0		0
Nonaccrual Loans with ACL	0		0
Total Nonaccrual Loans	0		0
Loans Past Due 90 days or more Still Accruing	250		250
Interest Income Recognized on Nonaccrual Loans	0	0
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	13,712		15,385
Nonaccrual Loans with ACL	5,416		5,496
Total Nonaccrual Loans	19,128		20,881
Loans Past Due 90 days or more Still Accruing	11,498		2,246
Interest Income Recognized on Nonaccrual Loans	35	51
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	13,176		14,824
Nonaccrual Loans with ACL	5,416		5,496
Total Nonaccrual Loans	18,592		20,320
Loans Past Due 90 days or more Still Accruing	11,498		2,246
Interest Income Recognized on Nonaccrual Loans	17	32
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Florida region [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	536		561
Nonaccrual Loans with ACL	0		0
Total Nonaccrual Loans	536		561
Loans Past Due 90 days or more Still Accruing	0		0
Interest Income Recognized on Nonaccrual Loans	18	19
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	13,248		11,777
Nonaccrual Loans with ACL	15,300		17,834
Total Nonaccrual Loans	28,548		29,611
Loans Past Due 90 days or more Still Accruing	2,993		3,252
Interest Income Recognized on Nonaccrual Loans	50	74
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	13,248		11,777
Nonaccrual Loans with ACL	15,300		17,834
Total Nonaccrual Loans	28,548		29,611
Loans Past Due 90 days or more Still Accruing	2,993		3,252
Interest Income Recognized on Nonaccrual Loans	50	74
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Florida region [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	0		0
Nonaccrual Loans with ACL	0		0
Total Nonaccrual Loans	0		0
Loans Past Due 90 days or more Still Accruing	0		0
Interest Income Recognized on Nonaccrual Loans	0	0
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	4,703		4,546
Nonaccrual Loans with ACL	1,675		8,425
Total Nonaccrual Loans	6,378		12,971
Loans Past Due 90 days or more Still Accruing	600		0
Interest Income Recognized on Nonaccrual Loans	15	20
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	4,703		4,546
Nonaccrual Loans with ACL	1,675		8,425
Total Nonaccrual Loans	6,378		12,971
Loans Past Due 90 days or more Still Accruing	600		0
Interest Income Recognized on Nonaccrual Loans	15	20
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Florida region [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	0		0
Nonaccrual Loans with ACL	0		0
Total Nonaccrual Loans	0		0
Loans Past Due 90 days or more Still Accruing	0		0
Interest Income Recognized on Nonaccrual Loans	0	0
Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	1		26
Nonaccrual Loans with ACL	8,935		8,861
Total Nonaccrual Loans	8,936		8,887
Loans Past Due 90 days or more Still Accruing	0		0
Interest Income Recognized on Nonaccrual Loans	22	52
Consumer Portfolio Segment [Member] | Auto loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	1		26
Nonaccrual Loans with ACL	8,901		8,638
Total Nonaccrual Loans	8,902		8,664
Loans Past Due 90 days or more Still Accruing	0		0
Interest Income Recognized on Nonaccrual Loans	22	50
Consumer Portfolio Segment [Member] | Auto loans [Member] | Florida region [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	0		0
Nonaccrual Loans with ACL	34		223
Total Nonaccrual Loans	34		223
Loans Past Due 90 days or more Still Accruing	0		0
Interest Income Recognized on Nonaccrual Loans	0	2
Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	0		0
Nonaccrual Loans with ACL	967		1,466
Total Nonaccrual Loans	967		1,466
Loans Past Due 90 days or more Still Accruing	0		0
Interest Income Recognized on Nonaccrual Loans	1	11
Consumer Portfolio Segment [Member] | Finance Leases [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	0		0
Nonaccrual Loans with ACL	967		1,466
Total Nonaccrual Loans	967		1,466
Loans Past Due 90 days or more Still Accruing	0		0
Interest Income Recognized on Nonaccrual Loans	1	11
Consumer Portfolio Segment [Member] | Finance Leases [Member] | Florida region [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	0		0
Nonaccrual Loans with ACL	0		0
Total Nonaccrual Loans	0		0
Loans Past Due 90 days or more Still Accruing	0		0
Interest Income Recognized on Nonaccrual Loans	0	0
Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	0		0
Nonaccrual Loans with ACL	1,327		1,623
Total Nonaccrual Loans	1,327		1,623
Loans Past Due 90 days or more Still Accruing	0		0
Interest Income Recognized on Nonaccrual Loans	28	21
Consumer Portfolio Segment [Member] | Personal Loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	0		0
Nonaccrual Loans with ACL	1,327		1,623
Total Nonaccrual Loans	1,327		1,623
Loans Past Due 90 days or more Still Accruing	0		0
Interest Income Recognized on Nonaccrual Loans	28	19
Consumer Portfolio Segment [Member] | Personal Loans [Member] | Florida region [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	0		0
Nonaccrual Loans with ACL	0		0
Total Nonaccrual Loans	0		0
Loans Past Due 90 days or more Still Accruing	0		0
Interest Income Recognized on Nonaccrual Loans	0	2
Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	0		0
Nonaccrual Loans with ACL	0		0
Total Nonaccrual Loans	0		0
Loans Past Due 90 days or more Still Accruing	6,682		1,520
Interest Income Recognized on Nonaccrual Loans	0	0
Consumer Portfolio Segment [Member] | Credit cards [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	0		0
Nonaccrual Loans with ACL	0		0
Total Nonaccrual Loans	0		0
Loans Past Due 90 days or more Still Accruing	6,682		1,520
Interest Income Recognized on Nonaccrual Loans	0	0
Consumer Portfolio Segment [Member] | Credit cards [Member] | Florida region [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	0		0
Nonaccrual Loans with ACL	0		0
Total Nonaccrual Loans	0		0
Loans Past Due 90 days or more Still Accruing	0		0
Interest Income Recognized on Nonaccrual Loans	0	0
Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	0		0
Nonaccrual Loans with ACL	3,478		4,283
Total Nonaccrual Loans	3,478		4,283
Loans Past Due 90 days or more Still Accruing	2		0
Interest Income Recognized on Nonaccrual Loans	5	9
Consumer Portfolio Segment [Member] | Other Loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	0		0
Nonaccrual Loans with ACL	2,942		3,682
Total Nonaccrual Loans	2,942		3,682
Loans Past Due 90 days or more Still Accruing	2		0
Interest Income Recognized on Nonaccrual Loans	0	5
Consumer Portfolio Segment [Member] | Other Loans [Member] | Florida region [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No ACL	0		0
Nonaccrual Loans with ACL	536		601
Total Nonaccrual Loans	536		601
Loans Past Due 90 days or more Still Accruing	0		$ 0
Interest Income Recognized on Nonaccrual Loans	$ 5	$ 4

LOANS HELD FOR INVESTMENT - C_2

LOANS HELD FOR INVESTMENT - Corporation's nonaccrual status and loans 90 days or more still accruing (Parenthetical) (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 11,641,859		$ 11,777,289
Financing Receivable, 90 Days or More Past Due, Still Accruing	159,597		145,095
Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, before Allowance for Credit Loss	9,655,719		9,788,106
Financing Receivable, 90 Days or More Past Due, Still Accruing	159,347		144,845
Florida region [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, before Allowance for Credit Loss	1,986,140		1,989,183
Financing Receivable, 90 Days or More Past Due, Still Accruing	250		250
Residential Portfolio Segment [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, before Allowance for Credit Loss	3,395,081		3,521,954
Residential Portfolio Segment [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, before Allowance for Credit Loss	2,903,892		3,002,203
Residential Portfolio Segment [Member] | Florida region [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, before Allowance for Credit Loss	491,189		519,751
Residential Portfolio Segment [Member] | GNMA [Member] | Repurchase Option Program [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, 90 Days or More Past Due, Still Accruing	17,200		10,700
Financing Receivable, Purchase	300	$ 5,200
Residential Portfolio Segment [Member] | GNMA [Member] | Repurchase Option Program [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, 90 Days or More Past Due, Still Accruing	17,200		10,700
Financing Receivable, Purchase	300
PCD loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, before Allowance for Credit Loss	128,400		130,900
PCD loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, before Allowance for Credit Loss	128,400		130,900
Accrual Status [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Troubled Debt Restructuring	373,800		393,300
Accrual Status [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Troubled Debt Restructuring	367,000		386,700
Accrual Status [Member] | Florida region [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Troubled Debt Restructuring	$ 6,800		$ 6,600

LOANS HELD FOR INVESTMENT - C_3

LOANS HELD FOR INVESTMENT - Corporation's Aging of Loans Held for Investment Portfolio (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Past Due [Line Items]
Total Past Due	$ 504,146	$ 498,303
Current	11,137,713	11,278,986
Loans held for investment	11,641,859	11,777,289
Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	481,436	477,726
Current	9,174,283	9,310,380
Loans held for investment	9,655,719	9,788,106
Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	22,710	20,577
Current	1,963,430	1,968,606
Loans held for investment	1,986,140	1,989,183
30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	45,023	48,129
30-59 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	43,804	47,143
30-59 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	1,219	986
60-89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	98,425	99,990
60-89 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	92,827	96,456
60-89 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	5,598	3,534
90 days or more Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	360,698	350,184
90 days or more Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	344,805	334,127
90 days or more Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	15,893	16,057
Residential Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans held for investment	3,395,081	3,521,954
Residential Portfolio Segment [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Loans held for investment	2,903,892	3,002,203
Residential Portfolio Segment [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Loans held for investment	491,189	519,751
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	216,546	228,478
Current	3,022,901	3,142,742
Loans held for investment	3,239,447	3,371,220
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	197,937	210,819
Current	2,551,202	2,641,820
Loans held for investment	2,749,139	2,852,639
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	18,609	17,659
Current	471,699	500,922
Loans held for investment	490,308	518,581
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Loans held for investment	90,600	111,800
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | 30-59 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Loans held for investment	79,900	105,200
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | 30-59 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Loans held for investment		6,600
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	45,592	64,277
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | 60-89 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	41,520	61,040
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | 60-89 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	4,072	3,237
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | 90 days or more Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	170,954	164,201
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | 90 days or more Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	156,417	149,779
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | 90 days or more Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	14,537	14,422
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	101,443	101,466
Current	54,191	49,268
Loans held for investment	155,634	150,734
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	101,193	101,216
Current	53,560	48,348
Loans held for investment	154,753	149,564
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	250	250
Current	631	920
Loans held for investment	881	1,170
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Loans held for investment	4,500	6,100
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member] | 30-59 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Loans held for investment	4,500	5,900
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member] | 30-59 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Loans held for investment	10,700	200
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	2,236	2,223
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member] | 60-89 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	2,236	2,223
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member] | 60-89 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member] | 90 days or more Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	99,207	99,243
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member] | 90 days or more Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	98,957	98,993
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member] | 90 days or more Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	250	250
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	47,398	37,320
Current	3,135,308	3,165,270
Loans held for investment	3,182,706	3,202,590
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	44,627	36,541
Current	2,179,386	2,228,190
Loans held for investment	2,224,013	2,264,731
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	2,771	779
Current	955,922	937,080
Loans held for investment	958,693	937,859
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	67,494	44,522
Current	2,149,393	2,186,080
Loans held for investment	2,216,887	2,230,602
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	67,494	44,522
Current	1,758,251	1,808,702
Loans held for investment	1,825,745	1,853,224
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Current	391,142	377,378
Loans held for investment	391,142	377,378
Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	8,431	3,501
Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Commercial And Industrial Sector [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	7,563	3,283
Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Commercial And Industrial Sector [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	868	218
Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Mortgage Receivable [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	1,613	5,071
Loans held for investment	3,500	5,000
Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Mortgage Receivable [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	1,613	5,071
Loans held for investment	3,300	5,000
Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Mortgage Receivable [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Loans held for investment	200
Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	8,341	10,692
Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Commercial And Industrial Sector [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	6,974	10,692
Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Commercial And Industrial Sector [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	1,367	0
Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Mortgage Receivable [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	34,340	6,588
Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Mortgage Receivable [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	34,340	6,588
Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Mortgage Receivable [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Commercial Portfolio Segment [Member] | 90 days or more Past Due [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	30,626	23,127
Commercial Portfolio Segment [Member] | 90 days or more Past Due [Member] | Commercial And Industrial Sector [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	30,090	22,566
Commercial Portfolio Segment [Member] | 90 days or more Past Due [Member] | Commercial And Industrial Sector [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	536	561
Commercial Portfolio Segment [Member] | 90 days or more Past Due [Member] | Mortgage Receivable [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	31,541	32,863
Commercial Portfolio Segment [Member] | 90 days or more Past Due [Member] | Mortgage Receivable [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	31,541	32,863
Commercial Portfolio Segment [Member] | 90 days or more Past Due [Member] | Mortgage Receivable [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	9,560	12,990
Current	181,436	199,510
Loans held for investment	190,996	212,500
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	9,560	12,990
Current	59,725	72,026
Loans held for investment	69,285	85,016
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Current	121,711	127,484
Loans held for investment	121,711	127,484
Commercial Portfolio Segment [Member] | Construction Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	2,582	0
Loans held for investment	100	100
Commercial Portfolio Segment [Member] | Construction Loans [Member] | 30-59 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	2,582	0
Loans held for investment	100	100
Commercial Portfolio Segment [Member] | Construction Loans [Member] | 30-59 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	19
Commercial Portfolio Segment [Member] | Construction Loans [Member] | 60-89 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	19
Commercial Portfolio Segment [Member] | Construction Loans [Member] | 60-89 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | 90 days or more Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	6,978	12,971
Commercial Portfolio Segment [Member] | Construction Loans [Member] | 90 days or more Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	6,978	12,971
Commercial Portfolio Segment [Member] | Construction Loans [Member] | 90 days or more Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Consumer Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans held for investment	2,656,189	2,609,643
Consumer Portfolio Segment [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Loans held for investment	2,632,784	2,582,932
Consumer Portfolio Segment [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Loans held for investment	23,405	26,711
Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	31,665	39,911
Current	1,324,327	1,256,513
Loans held for investment	1,355,992	1,296,424
Consumer Portfolio Segment [Member] | Auto loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	31,144	38,681
Current	1,309,522	1,239,445
Loans held for investment	1,340,666	1,278,126
Consumer Portfolio Segment [Member] | Auto loans [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	521	1,230
Current	14,805	17,068
Loans held for investment	15,326	18,298
Consumer Portfolio Segment [Member] | Auto loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	19,571	24,735
Consumer Portfolio Segment [Member] | Auto loans [Member] | 30-59 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	19,243	24,025
Consumer Portfolio Segment [Member] | Auto loans [Member] | 30-59 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	328	710
Consumer Portfolio Segment [Member] | Auto loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	3,158	6,289
Consumer Portfolio Segment [Member] | Auto loans [Member] | 60-89 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	2,999	5,992
Consumer Portfolio Segment [Member] | Auto loans [Member] | 60-89 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	159	297
Consumer Portfolio Segment [Member] | Auto loans [Member] | 90 days or more Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	8,936	8,887
Consumer Portfolio Segment [Member] | Auto loans [Member] | 90 days or more Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	8,902	8,664
Consumer Portfolio Segment [Member] | Auto loans [Member] | 90 days or more Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	34	223
Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	6,082	7,611
Current	487,538	465,378
Loans held for investment	493,620	472,989
Consumer Portfolio Segment [Member] | Finance Leases [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	6,082	7,611
Current	487,538	465,378
Loans held for investment	493,620	472,989
Consumer Portfolio Segment [Member] | Finance Leases [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Current	0	0
Loans held for investment	0	0
Consumer Portfolio Segment [Member] | Finance Leases [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	4,637	5,059
Consumer Portfolio Segment [Member] | Finance Leases [Member] | 30-59 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	4,637	5,059
Consumer Portfolio Segment [Member] | Finance Leases [Member] | 30-59 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Consumer Portfolio Segment [Member] | Finance Leases [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	478	1,086
Consumer Portfolio Segment [Member] | Finance Leases [Member] | 60-89 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	478	1,086
Consumer Portfolio Segment [Member] | Finance Leases [Member] | 60-89 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Consumer Portfolio Segment [Member] | Finance Leases [Member] | 90 days or more Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	967	1,466
Consumer Portfolio Segment [Member] | Finance Leases [Member] | 90 days or more Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	967	1,466
Consumer Portfolio Segment [Member] | Finance Leases [Member] | 90 days or more Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	5,978	7,638
Current	351,567	364,530
Loans held for investment	357,545	372,168
Consumer Portfolio Segment [Member] | Personal Loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	5,978	7,638
Current	351,411	364,373
Loans held for investment	357,389	372,011
Consumer Portfolio Segment [Member] | Personal Loans [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Current	156	157
Loans held for investment	156	157
Consumer Portfolio Segment [Member] | Personal Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	3,252	4,034
Consumer Portfolio Segment [Member] | Personal Loans [Member] | 30-59 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	3,252	4,034
Consumer Portfolio Segment [Member] | Personal Loans [Member] | 30-59 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Consumer Portfolio Segment [Member] | Personal Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	1,399	1,981
Consumer Portfolio Segment [Member] | Personal Loans [Member] | 60-89 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	1,399	1,981
Consumer Portfolio Segment [Member] | Personal Loans [Member] | 60-89 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Consumer Portfolio Segment [Member] | Personal Loans [Member] | 90 days or more Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	1,327	1,623
Consumer Portfolio Segment [Member] | Personal Loans [Member] | 90 days or more Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	1,327	1,623
Consumer Portfolio Segment [Member] | Personal Loans [Member] | 90 days or more Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	11,414	10,888
Current	294,959	308,936
Loans held for investment	306,373	319,824
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	11,414	10,888
Current	294,959	308,936
Loans held for investment	306,373	319,824
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Current	0	0
Loans held for investment	0	0
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	2,853	3,528
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | 30-59 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	2,853	3,528
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | 30-59 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	1,879	5,842
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | 60-89 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	1,879	5,842
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | 60-89 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | 90 days or more Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	6,682	1,518
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | 90 days or more Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	6,682	1,518
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | 90 days or more Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	6,566	7,479
Current	136,093	140,759
Loans held for investment	142,659	148,238
Consumer Portfolio Segment [Member] | Other Loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	6,007	6,820
Current	128,729	133,162
Loans held for investment	134,736	139,982
Consumer Portfolio Segment [Member] | Other Loans [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	559	659
Current	7,364	7,597
Loans held for investment	7,923	8,256
Consumer Portfolio Segment [Member] | Other Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	2,084	2,201
Consumer Portfolio Segment [Member] | Other Loans [Member] | 30-59 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	2,061	2,143
Consumer Portfolio Segment [Member] | Other Loans [Member] | 30-59 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	23	58
Consumer Portfolio Segment [Member] | Other Loans [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	1,002	993
Consumer Portfolio Segment [Member] | Other Loans [Member] | 60-89 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	1,002	993
Consumer Portfolio Segment [Member] | Other Loans [Member] | 60-89 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Consumer Portfolio Segment [Member] | Other Loans [Member] | 90 days or more Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	3,480	4,285
Consumer Portfolio Segment [Member] | Other Loans [Member] | 90 days or more Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	2,944	3,684
Consumer Portfolio Segment [Member] | Other Loans [Member] | 90 days or more Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	$ 536	$ 601

LOANS HELD FOR INVESTMENT - C_4

LOANS HELD FOR INVESTMENT - Corporation's Aging of Loans Held for Investment Portfolio (Parenthetical) (Detail) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	$ 504,146,000	$ 498,303,000
Financing Receivable, before Allowance for Credit Loss	11,641,859,000	11,777,289,000
Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	481,436,000	477,726,000
Financing Receivable, before Allowance for Credit Loss	9,655,719,000	9,788,106,000
Florida region [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	22,710,000	20,577,000
Financing Receivable, before Allowance for Credit Loss	1,986,140,000	1,989,183,000
30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	45,023,000	48,129,000
30-59 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	43,804,000	47,143,000
30-59 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	1,219,000	986,000
Consumer Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	2,656,189,000	2,609,643,000
Consumer Portfolio Segment [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	2,632,784,000	2,582,932,000
Consumer Portfolio Segment [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 23,405,000	$ 26,711,000
Consumer Portfolio Segment [Member] | Credit Card [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Threshold Period Past Due, Writeoff	180 days	180 days
Consumer Portfolio Segment [Member] | Credit Card [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Threshold Period Past Due, Writeoff	180 days	180 days
Residential Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 3,395,081,000	$ 3,521,954,000
Residential Portfolio Segment [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	2,903,892,000	3,002,203,000
Residential Portfolio Segment [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss	491,189,000	519,751,000
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	216,546,000	228,478,000
Financing Receivable, before Allowance for Credit Loss	3,239,447,000	3,371,220,000
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	197,937,000	210,819,000
Financing Receivable, before Allowance for Credit Loss	2,749,139,000	2,852,639,000
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	18,609,000	17,659,000
Financing Receivable, before Allowance for Credit Loss	490,308,000	518,581,000
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	0	0
Financing Receivable, before Allowance for Credit Loss	90,600,000	111,800,000
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | 30-59 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	0	0
Financing Receivable, before Allowance for Credit Loss	79,900,000	105,200,000
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | 30-59 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	$ 0	0
Financing Receivable, before Allowance for Credit Loss		$ 6,600,000
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member]
Financing Receivable, Past Due [Line Items]
Period Of Residential Mortgage Loan That Are No Longer Accruing Interest	15 months	15 months
Financing Receivable Recorded Investment 15 Months Past Due And No Still Accruing	$ 58,300,000	$ 57,900,000
Financing Receivable, Past Due	101,443,000	101,466,000
Financing Receivable, before Allowance for Credit Loss	$ 155,634,000	$ 150,734,000
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Period Of Residential Mortgage Loan That Are No Longer Accruing Interest	15 months	15 months
Financing Receivable Recorded Investment 15 Months Past Due And No Still Accruing	$ 58,300,000	$ 57,900,000
Financing Receivable, Past Due	101,193,000	101,216,000
Financing Receivable, before Allowance for Credit Loss	$ 154,753,000	$ 149,564,000
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Period Of Residential Mortgage Loan That Are No Longer Accruing Interest	15 months	15 months
Financing Receivable Recorded Investment 15 Months Past Due And No Still Accruing	$ 0	$ 0
Financing Receivable, Past Due	250,000	250,000
Financing Receivable, before Allowance for Credit Loss	881,000	1,170,000
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	0	0
Financing Receivable, before Allowance for Credit Loss	4,500,000	6,100,000
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member] | 30-59 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	0	0
Financing Receivable, before Allowance for Credit Loss	4,500,000	5,900,000
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member] | 30-59 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	0	0
Financing Receivable, before Allowance for Credit Loss	10,700,000	200,000
Residential Portfolio Segment [Member] | GNMA [Member] | Repurchase Option Program [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	17,200,000	10,700,000
Residential Portfolio Segment [Member] | GNMA [Member] | Repurchase Option Program [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	17,200,000	10,700,000
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	67,494,000	44,522,000
Financing Receivable, before Allowance for Credit Loss	2,216,887,000	2,230,602,000
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	67,494,000	44,522,000
Financing Receivable, before Allowance for Credit Loss	1,825,745,000	1,853,224,000
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	0	0
Financing Receivable, before Allowance for Credit Loss	391,142,000	377,378,000
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	1,613,000	5,071,000
Financing Receivable, before Allowance for Credit Loss	3,500,000	5,000,000
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | 30-59 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	1,613,000	5,071,000
Financing Receivable, before Allowance for Credit Loss	3,300,000	5,000,000
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | 30-59 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	0	0
Financing Receivable, before Allowance for Credit Loss	200,000
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	9,560,000	12,990,000
Financing Receivable, before Allowance for Credit Loss	190,996,000	212,500,000
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	9,560,000	12,990,000
Financing Receivable, before Allowance for Credit Loss	69,285,000	85,016,000
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	0	0
Financing Receivable, before Allowance for Credit Loss	121,711,000	127,484,000
Commercial Portfolio Segment [Member] | Construction Loans [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	2,582,000	0
Financing Receivable, before Allowance for Credit Loss	100,000	100,000
Commercial Portfolio Segment [Member] | Construction Loans [Member] | 30-59 Days Past Due [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	2,582,000	0
Financing Receivable, before Allowance for Credit Loss	100,000	100,000
Commercial Portfolio Segment [Member] | Construction Loans [Member] | 30-59 Days Past Due [Member] | Florida region [Member]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due	$ 0	$ 0

LOANS HELD FOR INVESTMENT - C_5

LOANS HELD FOR INVESTMENT - Corporation's Commercial and Construction Loans by Portfolio Classes and by Origination Year Based on the Internal Credit Risk Category (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 11,641,859	$ 11,777,289
Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, before Allowance for Credit Loss	9,655,719	9,788,106
Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, before Allowance for Credit Loss	1,986,140	1,989,183
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	227,942
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	629,245
Financing Receivable, Originated Two Years before Latest Fiscal Year	692,077
Financing Receivable, Originated Three Years before Latest Fiscal Year	330,061
Financing Receivable, Originated Four Years before Latest Fiscal Year	300,160
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	380,781
Financing Receivable, Revolving	622,440
Financing Receivable, before Allowance for Credit Loss	3,182,706	3,202,590
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	148,835
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	429,144
Financing Receivable, Originated Two Years before Latest Fiscal Year	375,690
Financing Receivable, Originated Three Years before Latest Fiscal Year	230,786
Financing Receivable, Originated Four Years before Latest Fiscal Year	226,959
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	325,648
Financing Receivable, Revolving	486,951
Financing Receivable, before Allowance for Credit Loss	2,224,013	2,264,731
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	79,107
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	200,101
Financing Receivable, Originated Two Years before Latest Fiscal Year	316,387
Financing Receivable, Originated Three Years before Latest Fiscal Year	99,275
Financing Receivable, Originated Four Years before Latest Fiscal Year	73,201
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	55,133
Financing Receivable, Revolving	135,489
Financing Receivable, before Allowance for Credit Loss	958,693	937,859
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	227,168
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	600,114
Financing Receivable, Originated Two Years before Latest Fiscal Year	628,460
Financing Receivable, Originated Three Years before Latest Fiscal Year	315,283
Financing Receivable, Originated Four Years before Latest Fiscal Year	280,974
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	297,619
Financing Receivable, Revolving	601,127
Financing Receivable, before Allowance for Credit Loss	2,950,745	2,978,350
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Pass [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	148,061
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	427,172
Financing Receivable, Originated Two Years before Latest Fiscal Year	359,390
Financing Receivable, Originated Three Years before Latest Fiscal Year	228,155
Financing Receivable, Originated Four Years before Latest Fiscal Year	207,773
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	244,150
Financing Receivable, Revolving	465,973
Financing Receivable, before Allowance for Credit Loss	2,080,674	2,155,226
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Pass [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	79,107
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	172,942
Financing Receivable, Originated Two Years before Latest Fiscal Year	269,070
Financing Receivable, Originated Three Years before Latest Fiscal Year	87,128
Financing Receivable, Originated Four Years before Latest Fiscal Year	73,201
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	53,469
Financing Receivable, Revolving	135,154
Financing Receivable, before Allowance for Credit Loss	870,071	823,124
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,002
Financing Receivable, Originated Two Years before Latest Fiscal Year	48,870
Financing Receivable, Originated Three Years before Latest Fiscal Year	12,147
Financing Receivable, Originated Four Years before Latest Fiscal Year	827
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	48,745
Financing Receivable, Revolving	13,744
Financing Receivable, before Allowance for Credit Loss	127,335	133,395
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Special Mention [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,553
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	827
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	48,745
Financing Receivable, Revolving	13,744
Financing Receivable, before Allowance for Credit Loss	64,869	59,421
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Special Mention [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,002
Financing Receivable, Originated Two Years before Latest Fiscal Year	47,317
Financing Receivable, Originated Three Years before Latest Fiscal Year	12,147
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	62,466	73,974
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	774
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	26,129
Financing Receivable, Originated Two Years before Latest Fiscal Year	14,747
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,631
Financing Receivable, Originated Four Years before Latest Fiscal Year	18,359
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	34,417
Financing Receivable, Revolving	7,569
Financing Receivable, before Allowance for Credit Loss	104,626	90,845
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Substandard [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	774
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,972
Financing Receivable, Originated Two Years before Latest Fiscal Year	14,747
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,631
Financing Receivable, Originated Four Years before Latest Fiscal Year	18,359
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	32,753
Financing Receivable, Revolving	7,234
Financing Receivable, before Allowance for Credit Loss	78,470	50,084
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Substandard [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	24,157
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,664
Financing Receivable, Revolving	335
Financing Receivable, before Allowance for Credit Loss	26,156	40,761
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Doubtful [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Doubtful [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Doubtful [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Loss [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Loss [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Loss [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	29,609
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	454,428
Financing Receivable, Originated Two Years before Latest Fiscal Year	447,276
Financing Receivable, Originated Three Years before Latest Fiscal Year	320,828
Financing Receivable, Originated Four Years before Latest Fiscal Year	357,609
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	588,678
Financing Receivable, Revolving	18,459
Financing Receivable, before Allowance for Credit Loss	2,216,887	2,230,602
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	11,824
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	389,695
Financing Receivable, Originated Two Years before Latest Fiscal Year	342,748
Financing Receivable, Originated Three Years before Latest Fiscal Year	263,953
Financing Receivable, Originated Four Years before Latest Fiscal Year	302,582
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	514,426
Financing Receivable, Revolving	517
Financing Receivable, before Allowance for Credit Loss	1,825,745	1,853,224
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	17,785
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	64,733
Financing Receivable, Originated Two Years before Latest Fiscal Year	104,528
Financing Receivable, Originated Three Years before Latest Fiscal Year	56,875
Financing Receivable, Originated Four Years before Latest Fiscal Year	55,027
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	74,252
Financing Receivable, Revolving	17,942
Financing Receivable, before Allowance for Credit Loss	391,142	377,378
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	25,336
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	426,673
Financing Receivable, Originated Two Years before Latest Fiscal Year	334,930
Financing Receivable, Originated Three Years before Latest Fiscal Year	241,249
Financing Receivable, Originated Four Years before Latest Fiscal Year	226,491
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	488,433
Financing Receivable, Revolving	16,509
Financing Receivable, before Allowance for Credit Loss	1,759,621	1,803,454
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Pass [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	7,551
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	378,746
Financing Receivable, Originated Two Years before Latest Fiscal Year	254,532
Financing Receivable, Originated Three Years before Latest Fiscal Year	191,156
Financing Receivable, Originated Four Years before Latest Fiscal Year	176,815
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	442,414
Financing Receivable, Revolving	517
Financing Receivable, before Allowance for Credit Loss	1,451,731	1,511,827
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Pass [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	17,785
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	47,927
Financing Receivable, Originated Two Years before Latest Fiscal Year	80,398
Financing Receivable, Originated Three Years before Latest Fiscal Year	50,093
Financing Receivable, Originated Four Years before Latest Fiscal Year	49,676
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	46,019
Financing Receivable, Revolving	15,992
Financing Receivable, before Allowance for Credit Loss	307,890	291,627
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	3,893
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	27,746
Financing Receivable, Originated Two Years before Latest Fiscal Year	112,346
Financing Receivable, Originated Three Years before Latest Fiscal Year	58,746
Financing Receivable, Originated Four Years before Latest Fiscal Year	124,606
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	50,239
Financing Receivable, Revolving	1,950
Financing Receivable, before Allowance for Credit Loss	379,526	378,163
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Special Mention [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	3,893
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	10,940
Financing Receivable, Originated Two Years before Latest Fiscal Year	88,216
Financing Receivable, Originated Three Years before Latest Fiscal Year	51,964
Financing Receivable, Originated Four Years before Latest Fiscal Year	119,255
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	22,328
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	296,596	292,736
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Special Mention [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	16,806
Financing Receivable, Originated Two Years before Latest Fiscal Year	24,130
Financing Receivable, Originated Three Years before Latest Fiscal Year	6,782
Financing Receivable, Originated Four Years before Latest Fiscal Year	5,351
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	27,911
Financing Receivable, Revolving	1,950
Financing Receivable, before Allowance for Credit Loss	82,930	85,427
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	380
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	9
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	20,833
Financing Receivable, Originated Four Years before Latest Fiscal Year	6,512
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	50,006
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	77,740	48,985
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Substandard [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	380
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	9
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	20,833
Financing Receivable, Originated Four Years before Latest Fiscal Year	6,512
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	49,684
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	77,418	48,661
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Substandard [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	322
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	322	324
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Doubtful [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Doubtful [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Doubtful [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Loss [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Loss [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Loss [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	779
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	78,162
Financing Receivable, Originated Two Years before Latest Fiscal Year	56,324
Financing Receivable, Originated Three Years before Latest Fiscal Year	46,439
Financing Receivable, Originated Four Years before Latest Fiscal Year	345
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	8,947
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	190,996	212,500
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	413
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	13,128
Financing Receivable, Originated Two Years before Latest Fiscal Year	40,011
Financing Receivable, Originated Three Years before Latest Fiscal Year	6,441
Financing Receivable, Originated Four Years before Latest Fiscal Year	345
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	8,947
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	69,285	85,016
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	366
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	65,034
Financing Receivable, Originated Two Years before Latest Fiscal Year	16,313
Financing Receivable, Originated Three Years before Latest Fiscal Year	39,998
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	121,711	127,484
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	779
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	78,162
Financing Receivable, Originated Two Years before Latest Fiscal Year	55,551
Financing Receivable, Originated Three Years before Latest Fiscal Year	41,720
Financing Receivable, Originated Four Years before Latest Fiscal Year	345
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,735
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	181,292	196,320
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Pass [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	413
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	13,128
Financing Receivable, Originated Two Years before Latest Fiscal Year	39,238
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,722
Financing Receivable, Originated Four Years before Latest Fiscal Year	345
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,735
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	59,581	68,836
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Pass [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	366
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	65,034
Financing Receivable, Originated Two Years before Latest Fiscal Year	16,313
Financing Receivable, Originated Three Years before Latest Fiscal Year	39,998
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	121,711	127,484
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	773
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	773	776
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	773
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	773	776
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	4,719
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,212
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	8,931	15,404
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	4,719
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,212
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	8,931	15,404
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Doubtful [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Doubtful [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Doubtful [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Loss [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Loss [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Loss [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	$ 0	$ 0

LOANS HELD FOR INVESTMENT - C_6

LOANS HELD FOR INVESTMENT - Corporation's Residential Mortgage Loans by Origination Year Based on Original Loan-To-Value-Ratio (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 11,641,859	$ 11,777,289
Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, before Allowance for Credit Loss	9,655,719	9,788,106
Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, before Allowance for Credit Loss	1,986,140	1,989,183
Residential Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	22,586
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	81,089
Financing Receivable, Originated Two Years before Latest Fiscal Year	117,425
Financing Receivable, Originated Three Years before Latest Fiscal Year	166,484
Financing Receivable, Originated Four Years before Latest Fiscal Year	160,431
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,847,066
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	3,395,081	3,521,954
Residential Portfolio Segment [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	12,554
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	39,508
Financing Receivable, Originated Two Years before Latest Fiscal Year	67,620
Financing Receivable, Originated Three Years before Latest Fiscal Year	107,133
Financing Receivable, Originated Four Years before Latest Fiscal Year	75,538
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,601,539
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	2,903,892	3,002,203
Residential Portfolio Segment [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	10,032
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	41,581
Financing Receivable, Originated Two Years before Latest Fiscal Year	49,805
Financing Receivable, Originated Three Years before Latest Fiscal Year	59,351
Financing Receivable, Originated Four Years before Latest Fiscal Year	84,893
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	245,527
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	491,189	519,751
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	260
Financing Receivable, Originated Two Years before Latest Fiscal Year	771
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,809
Financing Receivable, Originated Four Years before Latest Fiscal Year	5,139
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	146,655
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	155,634	150,734
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	260
Financing Receivable, Originated Two Years before Latest Fiscal Year	771
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,809
Financing Receivable, Originated Four Years before Latest Fiscal Year	5,139
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	145,774
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	154,753	149,564
Residential Portfolio Segment [Member] | FHA/VA government-guaranteed loans [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	881
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	881	1,170
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, before Allowance for Credit Loss	3,239,447	3,371,220
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, before Allowance for Credit Loss	2,749,139	2,852,639
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, before Allowance for Credit Loss	490,308	518,581
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Less than or equal to 90 percent [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	20,848
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	75,141
Financing Receivable, Originated Two Years before Latest Fiscal Year	107,103
Financing Receivable, Originated Three Years before Latest Fiscal Year	148,060
Financing Receivable, Originated Four Years before Latest Fiscal Year	143,292
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,934,003
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	2,428,447	2,526,587
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Less than or equal to 90 percent [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	12,057
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	37,740
Financing Receivable, Originated Two Years before Latest Fiscal Year	59,217
Financing Receivable, Originated Three Years before Latest Fiscal Year	91,367
Financing Receivable, Originated Four Years before Latest Fiscal Year	62,453
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,692,678
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	1,955,512	2,029,177
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Less than or equal to 90 percent [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	8,791
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	37,401
Financing Receivable, Originated Two Years before Latest Fiscal Year	47,886
Financing Receivable, Originated Three Years before Latest Fiscal Year	56,693
Financing Receivable, Originated Four Years before Latest Fiscal Year	80,839
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	241,325
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	472,935	497,410
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Greater than 90 percent but less than or equal to 100 percent [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	1,241
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	5,688
Financing Receivable, Originated Two Years before Latest Fiscal Year	8,615
Financing Receivable, Originated Three Years before Latest Fiscal Year	10,199
Financing Receivable, Originated Four Years before Latest Fiscal Year	9,409
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	678,788
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	713,940	746,220
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Greater than 90 percent but less than or equal to 100 percent [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,508
Financing Receivable, Originated Two Years before Latest Fiscal Year	6,696
Financing Receivable, Originated Three Years before Latest Fiscal Year	7,541
Financing Receivable, Originated Four Years before Latest Fiscal Year	5,355
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	675,467
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	696,567	725,049
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Greater than 90 percent but less than or equal to 100 percent [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	1,241
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	4,180
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,919
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,658
Financing Receivable, Originated Four Years before Latest Fiscal Year	4,054
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	3,321
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	17,373	21,171
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Greater than 100 percent [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	497
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	936
Financing Receivable, Originated Three Years before Latest Fiscal Year	5,416
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,591
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	87,620
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	97,060	98,413
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Greater than 100 percent [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	497
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	936
Financing Receivable, Originated Three Years before Latest Fiscal Year	5,416
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,591
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	87,620
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	97,060	98,413
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Greater than 100 percent [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	$ 0	$ 0

LOANS HELD FOR INVESTMENT - C_7

LOANS HELD FOR INVESTMENT - Corporation's Residential Mortgage Loans by Origination Year Based on Original Credit Score (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 11,641,859	$ 11,777,289
Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, before Allowance for Credit Loss	9,655,719	9,788,106
Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, before Allowance for Credit Loss	1,986,140	1,989,183
Residential Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	22,586
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	81,089
Financing Receivable, Originated Two Years before Latest Fiscal Year	117,425
Financing Receivable, Originated Three Years before Latest Fiscal Year	166,484
Financing Receivable, Originated Four Years before Latest Fiscal Year	160,431
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,847,066
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	3,395,081	3,521,954
Residential Portfolio Segment [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	12,554
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	39,508
Financing Receivable, Originated Two Years before Latest Fiscal Year	67,620
Financing Receivable, Originated Three Years before Latest Fiscal Year	107,133
Financing Receivable, Originated Four Years before Latest Fiscal Year	75,538
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,601,539
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	2,903,892	3,002,203
Residential Portfolio Segment [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	10,032
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	41,581
Financing Receivable, Originated Two Years before Latest Fiscal Year	49,805
Financing Receivable, Originated Three Years before Latest Fiscal Year	59,351
Financing Receivable, Originated Four Years before Latest Fiscal Year	84,893
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	245,527
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	491,189	519,751
Residential Portfolio Segment [Member] | Loans Insured or Guaranteed by US Government Authorities [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	260
Financing Receivable, Originated Two Years before Latest Fiscal Year	771
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,809
Financing Receivable, Originated Four Years before Latest Fiscal Year	5,139
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	146,655
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	155,634	150,734
Residential Portfolio Segment [Member] | Loans Insured or Guaranteed by US Government Authorities [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	260
Financing Receivable, Originated Two Years before Latest Fiscal Year	771
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,809
Financing Receivable, Originated Four Years before Latest Fiscal Year	5,139
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	145,774
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	154,753	149,564
Residential Portfolio Segment [Member] | Loans Insured or Guaranteed by US Government Authorities [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	881
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	881	1,170
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, before Allowance for Credit Loss	3,239,447	3,371,220
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, before Allowance for Credit Loss	2,749,139	2,852,639
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, before Allowance for Credit Loss	490,308	518,581
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Less than 620 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	44
Financing Receivable, Originated Two Years before Latest Fiscal Year	77
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,533
Financing Receivable, Originated Four Years before Latest Fiscal Year	54
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	317,262
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	319,970	329,520
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Less than 620 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	44
Financing Receivable, Originated Two Years before Latest Fiscal Year	77
Financing Receivable, Originated Three Years before Latest Fiscal Year	462
Financing Receivable, Originated Four Years before Latest Fiscal Year	54
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	316,742
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	317,379	326,190
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Less than 620 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,071
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	520
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	2,591	3,330
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	4,861
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	5,720
Financing Receivable, Originated Two Years before Latest Fiscal Year	8,603
Financing Receivable, Originated Three Years before Latest Fiscal Year	11,716
Financing Receivable, Originated Four Years before Latest Fiscal Year	14,663
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	529,329
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	574,892	589,729
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	2,083
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,136
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,562
Financing Receivable, Originated Three Years before Latest Fiscal Year	8,300
Financing Receivable, Originated Four Years before Latest Fiscal Year	6,759
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	504,205
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	527,045	541,309
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	2,778
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,584
Financing Receivable, Originated Two Years before Latest Fiscal Year	5,041
Financing Receivable, Originated Three Years before Latest Fiscal Year	3,416
Financing Receivable, Originated Four Years before Latest Fiscal Year	7,904
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	25,124
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	47,847	48,420
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	5,182
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	26,515
Financing Receivable, Originated Two Years before Latest Fiscal Year	37,982
Financing Receivable, Originated Three Years before Latest Fiscal Year	50,082
Financing Receivable, Originated Four Years before Latest Fiscal Year	51,007
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	771,354
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	942,122	980,994
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	2,123
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	14,879
Financing Receivable, Originated Two Years before Latest Fiscal Year	23,888
Financing Receivable, Originated Three Years before Latest Fiscal Year	36,474
Financing Receivable, Originated Four Years before Latest Fiscal Year	24,156
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	712,150
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	813,670	841,797
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	3,059
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	11,636
Financing Receivable, Originated Two Years before Latest Fiscal Year	14,094
Financing Receivable, Originated Three Years before Latest Fiscal Year	13,608
Financing Receivable, Originated Four Years before Latest Fiscal Year	26,851
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	59,204
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	128,452	139,197
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Greater than or equal to 740 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	12,543
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	48,550
Financing Receivable, Originated Two Years before Latest Fiscal Year	69,992
Financing Receivable, Originated Three Years before Latest Fiscal Year	99,344
Financing Receivable, Originated Four Years before Latest Fiscal Year	89,568
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,082,466
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	1,402,463	1,470,977
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Greater than or equal to 740 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	8,348
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	22,189
Financing Receivable, Originated Two Years before Latest Fiscal Year	39,322
Financing Receivable, Originated Three Years before Latest Fiscal Year	59,088
Financing Receivable, Originated Four Years before Latest Fiscal Year	39,430
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	922,668
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	1,091,045	1,143,343
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Greater than or equal to 740 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	4,195
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	26,361
Financing Receivable, Originated Two Years before Latest Fiscal Year	30,670
Financing Receivable, Originated Three Years before Latest Fiscal Year	40,256
Financing Receivable, Originated Four Years before Latest Fiscal Year	50,138
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	159,798
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	$ 311,418	$ 327,634

LOANS HELD FOR INVESTMENT - C_8

LOANS HELD FOR INVESTMENT - Corporation's Consumer Loans by Origination Year Based on Original Credit Scores (Detail) - Consumer Portfolio Segment [Member] - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	$ 245,212
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	661,430
Financing Receivable, Originated Two Years before Latest Fiscal Year	704,073
Financing Receivable, Originated Three Years before Latest Fiscal Year	405,890
Financing Receivable, Originated Four Years before Latest Fiscal Year	176,745
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	143,180
Financing Receivable, Revolving	319,659
Financing Receivable, before Allowance for Credit Loss	2,656,189	$ 2,609,643
Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	245,202
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	660,827
Financing Receivable, Originated Two Years before Latest Fiscal Year	703,084
Financing Receivable, Originated Three Years before Latest Fiscal Year	398,383
Financing Receivable, Originated Four Years before Latest Fiscal Year	172,125
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	136,228
Financing Receivable, Revolving	316,935
Financing Receivable, before Allowance for Credit Loss	2,632,784	2,582,932
Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	10
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	603
Financing Receivable, Originated Two Years before Latest Fiscal Year	989
Financing Receivable, Originated Three Years before Latest Fiscal Year	7,507
Financing Receivable, Originated Four Years before Latest Fiscal Year	4,620
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	6,952
Financing Receivable, Revolving	2,724
Financing Receivable, before Allowance for Credit Loss	23,405	26,711
Auto loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	157,804
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	420,919
Financing Receivable, Originated Two Years before Latest Fiscal Year	383,497
Financing Receivable, Originated Three Years before Latest Fiscal Year	222,179
Financing Receivable, Originated Four Years before Latest Fiscal Year	100,201
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	71,392
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	1,355,992	1,296,424
Auto loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	157,804
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	420,919
Financing Receivable, Originated Two Years before Latest Fiscal Year	382,545
Financing Receivable, Originated Three Years before Latest Fiscal Year	214,714
Financing Receivable, Originated Four Years before Latest Fiscal Year	95,654
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	69,030
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	1,340,666	1,278,126
Auto loans [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	952
Financing Receivable, Originated Three Years before Latest Fiscal Year	7,465
Financing Receivable, Originated Four Years before Latest Fiscal Year	4,547
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,362
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	15,326	18,298
Auto loans [Member] | FICO Score Less than 620 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	41,287
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	39,951
Financing Receivable, Originated Two Years before Latest Fiscal Year	42,749
Financing Receivable, Originated Three Years before Latest Fiscal Year	22,136
Financing Receivable, Originated Four Years before Latest Fiscal Year	10,091
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	10,115
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	166,329	137,275
Auto loans [Member] | FICO Score Less than 620 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	41,287
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	39,951
Financing Receivable, Originated Two Years before Latest Fiscal Year	42,714
Financing Receivable, Originated Three Years before Latest Fiscal Year	21,462
Financing Receivable, Originated Four Years before Latest Fiscal Year	9,474
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	9,562
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	164,450	135,006
Auto loans [Member] | FICO Score Less than 620 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	35
Financing Receivable, Originated Three Years before Latest Fiscal Year	674
Financing Receivable, Originated Four Years before Latest Fiscal Year	617
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	553
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	1,879	2,269
Auto loans [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	34,590
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	127,583
Financing Receivable, Originated Two Years before Latest Fiscal Year	133,214
Financing Receivable, Originated Three Years before Latest Fiscal Year	84,450
Financing Receivable, Originated Four Years before Latest Fiscal Year	35,954
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	24,506
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	440,297	439,476
Auto loans [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	34,590
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	127,583
Financing Receivable, Originated Two Years before Latest Fiscal Year	132,815
Financing Receivable, Originated Three Years before Latest Fiscal Year	81,162
Financing Receivable, Originated Four Years before Latest Fiscal Year	33,377
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	23,228
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	432,755	430,434
Auto loans [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	399
Financing Receivable, Originated Three Years before Latest Fiscal Year	3,288
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,577
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,278
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	7,542	9,042
Auto loans [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	38,936
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	130,222
Financing Receivable, Originated Two Years before Latest Fiscal Year	117,363
Financing Receivable, Originated Three Years before Latest Fiscal Year	69,950
Financing Receivable, Originated Four Years before Latest Fiscal Year	30,648
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	20,188
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	407,307	397,965
Auto loans [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	38,936
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	130,222
Financing Receivable, Originated Two Years before Latest Fiscal Year	117,051
Financing Receivable, Originated Three Years before Latest Fiscal Year	67,544
Financing Receivable, Originated Four Years before Latest Fiscal Year	29,534
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	19,722
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	403,009	392,871
Auto loans [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	312
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,406
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,114
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	466
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	4,298	5,094
Auto loans [Member] | FICO Score Greater than or equal to 740 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	42,991
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	123,163
Financing Receivable, Originated Two Years before Latest Fiscal Year	90,171
Financing Receivable, Originated Three Years before Latest Fiscal Year	45,643
Financing Receivable, Originated Four Years before Latest Fiscal Year	23,508
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	16,583
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	342,059	321,708
Auto loans [Member] | FICO Score Greater than or equal to 740 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	42,991
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	123,163
Financing Receivable, Originated Two Years before Latest Fiscal Year	89,965
Financing Receivable, Originated Three Years before Latest Fiscal Year	44,546
Financing Receivable, Originated Four Years before Latest Fiscal Year	23,269
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	16,518
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	340,452	319,815
Auto loans [Member] | FICO Score Greater than or equal to 740 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	206
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,097
Financing Receivable, Originated Four Years before Latest Fiscal Year	239
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	65
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	1,607	1,893
Finance Leases [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	50,730
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	132,239
Financing Receivable, Originated Two Years before Latest Fiscal Year	141,675
Financing Receivable, Originated Three Years before Latest Fiscal Year	103,570
Financing Receivable, Originated Four Years before Latest Fiscal Year	36,761
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	28,645
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	493,620	472,989
Finance Leases [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	50,730
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	132,239
Financing Receivable, Originated Two Years before Latest Fiscal Year	141,675
Financing Receivable, Originated Three Years before Latest Fiscal Year	103,570
Financing Receivable, Originated Four Years before Latest Fiscal Year	36,761
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	28,645
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	493,620	472,989
Finance Leases [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Finance Leases [Member] | FICO Score Less than 620 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	8,787
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,984
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,991
Financing Receivable, Originated Three Years before Latest Fiscal Year	3,781
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,621
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	618
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	22,782	15,182
Finance Leases [Member] | FICO Score Less than 620 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	8,787
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,984
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,991
Financing Receivable, Originated Three Years before Latest Fiscal Year	3,781
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,621
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	618
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	22,782	15,182
Finance Leases [Member] | FICO Score Less than 620 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Finance Leases [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	8,224
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	28,293
Financing Receivable, Originated Two Years before Latest Fiscal Year	33,814
Financing Receivable, Originated Three Years before Latest Fiscal Year	25,372
Financing Receivable, Originated Four Years before Latest Fiscal Year	10,490
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	5,483
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	111,676	111,180
Finance Leases [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	8,224
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	28,293
Financing Receivable, Originated Two Years before Latest Fiscal Year	33,814
Financing Receivable, Originated Three Years before Latest Fiscal Year	25,372
Financing Receivable, Originated Four Years before Latest Fiscal Year	10,490
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	5,483
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	111,676	111,180
Finance Leases [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Finance Leases [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	17,024
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	52,349
Financing Receivable, Originated Two Years before Latest Fiscal Year	55,348
Financing Receivable, Originated Three Years before Latest Fiscal Year	43,384
Financing Receivable, Originated Four Years before Latest Fiscal Year	16,343
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	12,083
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	196,531	191,846
Finance Leases [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	17,024
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	52,349
Financing Receivable, Originated Two Years before Latest Fiscal Year	55,348
Financing Receivable, Originated Three Years before Latest Fiscal Year	43,384
Financing Receivable, Originated Four Years before Latest Fiscal Year	16,343
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	12,083
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	196,531	191,846
Finance Leases [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Finance Leases [Member] | FICO Score Greater than or equal to 740 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	16,695
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	48,613
Financing Receivable, Originated Two Years before Latest Fiscal Year	47,522
Financing Receivable, Originated Three Years before Latest Fiscal Year	31,033
Financing Receivable, Originated Four Years before Latest Fiscal Year	8,307
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	10,461
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	162,631	154,781
Finance Leases [Member] | FICO Score Greater than or equal to 740 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	16,695
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	48,613
Financing Receivable, Originated Two Years before Latest Fiscal Year	47,522
Financing Receivable, Originated Three Years before Latest Fiscal Year	31,033
Financing Receivable, Originated Four Years before Latest Fiscal Year	8,307
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	10,461
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	162,631	154,781
Finance Leases [Member] | FICO Score Greater than or equal to 740 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Personal Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	22,076
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	72,782
Financing Receivable, Originated Two Years before Latest Fiscal Year	135,762
Financing Receivable, Originated Three Years before Latest Fiscal Year	66,385
Financing Receivable, Originated Four Years before Latest Fiscal Year	32,991
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	27,549
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	357,545	372,168
Personal Loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	22,066
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	72,673
Financing Receivable, Originated Two Years before Latest Fiscal Year	135,725
Financing Receivable, Originated Three Years before Latest Fiscal Year	66,385
Financing Receivable, Originated Four Years before Latest Fiscal Year	32,991
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	27,549
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	357,389	372,011
Personal Loans [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	10
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	109
Financing Receivable, Originated Two Years before Latest Fiscal Year	37
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	156	157
Personal Loans [Member] | FICO Score Less than 620 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	19,214
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,608
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,302
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,842
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,117
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,768
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	28,851	11,057
Personal Loans [Member] | FICO Score Less than 620 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	19,204
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,580
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,298
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,842
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,117
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,768
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	28,809	10,950
Personal Loans [Member] | FICO Score Less than 620 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	10
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	28
Financing Receivable, Originated Two Years before Latest Fiscal Year	4
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	42	107
Personal Loans [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	175
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	8,941
Financing Receivable, Originated Two Years before Latest Fiscal Year	21,898
Financing Receivable, Originated Three Years before Latest Fiscal Year	8,609
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,275
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,050
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	44,948	49,673
Personal Loans [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	175
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	8,934
Financing Receivable, Originated Two Years before Latest Fiscal Year	21,898
Financing Receivable, Originated Three Years before Latest Fiscal Year	8,609
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,275
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,050
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	44,941	49,665
Personal Loans [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	7
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	7	8
Personal Loans [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	1,378
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	32,805
Financing Receivable, Originated Two Years before Latest Fiscal Year	59,011
Financing Receivable, Originated Three Years before Latest Fiscal Year	27,256
Financing Receivable, Originated Four Years before Latest Fiscal Year	14,108
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	11,546
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	146,104	160,518
Personal Loans [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	1,378
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	32,805
Financing Receivable, Originated Two Years before Latest Fiscal Year	58,978
Financing Receivable, Originated Three Years before Latest Fiscal Year	27,256
Financing Receivable, Originated Four Years before Latest Fiscal Year	14,108
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	11,546
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	146,071	160,480
Personal Loans [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	33
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	33	38
Personal Loans [Member] | FICO Score Greater than or equal to 740 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	1,309
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	28,797
Financing Receivable, Originated Two Years before Latest Fiscal Year	50,926
Financing Receivable, Originated Three Years before Latest Fiscal Year	28,111
Financing Receivable, Originated Four Years before Latest Fiscal Year	14,129
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	10,705
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	133,977	146,626
Personal Loans [Member] | FICO Score Greater than or equal to 740 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	1,309
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	28,723
Financing Receivable, Originated Two Years before Latest Fiscal Year	50,926
Financing Receivable, Originated Three Years before Latest Fiscal Year	28,111
Financing Receivable, Originated Four Years before Latest Fiscal Year	14,129
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	10,705
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	133,903	146,622
Personal Loans [Member] | FICO Score Greater than or equal to 740 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	74
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	74	4
Personal Loans [Member] | Unscorable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	631
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,625
Financing Receivable, Originated Three Years before Latest Fiscal Year	567
Financing Receivable, Originated Four Years before Latest Fiscal Year	362
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	480
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	3,665	4,294
Personal Loans [Member] | Unscorable [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	631
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,625
Financing Receivable, Originated Three Years before Latest Fiscal Year	567
Financing Receivable, Originated Four Years before Latest Fiscal Year	362
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	480
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	3,665	4,294
Credit cards [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	306,373
Financing Receivable, before Allowance for Credit Loss	306,373	319,824
Credit cards [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	306,373
Financing Receivable, before Allowance for Credit Loss	306,373	319,824
Credit cards [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Credit cards [Member] | FICO Score Less than 620 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	12,476
Financing Receivable, before Allowance for Credit Loss	12,476	12,978
Credit cards [Member] | FICO Score Less than 620 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	12,476
Financing Receivable, before Allowance for Credit Loss	12,476	12,978
Credit cards [Member] | FICO Score Less than 620 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Credit cards [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	59,348
Financing Receivable, before Allowance for Credit Loss	59,348	60,961
Credit cards [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	59,348
Financing Receivable, before Allowance for Credit Loss	59,348	60,961
Credit cards [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Credit cards [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	133,621
Financing Receivable, before Allowance for Credit Loss	133,621	137,563
Credit cards [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	133,621
Financing Receivable, before Allowance for Credit Loss	133,621	137,563
Credit cards [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Credit cards [Member] | FICO Score Greater than or equal to 740 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	99,828
Financing Receivable, before Allowance for Credit Loss	99,828	103,938
Credit cards [Member] | FICO Score Greater than or equal to 740 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	99,828
Financing Receivable, before Allowance for Credit Loss	99,828	103,938
Credit cards [Member] | FICO Score Greater than or equal to 740 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss	0	0
Credit cards [Member] | Unscorable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	1,100
Financing Receivable, before Allowance for Credit Loss	1,100	4,384
Credit cards [Member] | Unscorable [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	1,100
Financing Receivable, before Allowance for Credit Loss	1,100	4,384
Other consumer loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	14,602
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	35,490
Financing Receivable, Originated Two Years before Latest Fiscal Year	43,139
Financing Receivable, Originated Three Years before Latest Fiscal Year	13,756
Financing Receivable, Originated Four Years before Latest Fiscal Year	6,792
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	15,594
Financing Receivable, Revolving	13,286
Financing Receivable, before Allowance for Credit Loss	142,659	148,238
Other consumer loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	14,602
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	34,996
Financing Receivable, Originated Two Years before Latest Fiscal Year	43,139
Financing Receivable, Originated Three Years before Latest Fiscal Year	13,714
Financing Receivable, Originated Four Years before Latest Fiscal Year	6,719
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	11,004
Financing Receivable, Revolving	10,562
Financing Receivable, before Allowance for Credit Loss	134,736	139,982
Other consumer loans [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	494
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	42
Financing Receivable, Originated Four Years before Latest Fiscal Year	73
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,590
Financing Receivable, Revolving	2,724
Financing Receivable, before Allowance for Credit Loss	7,923	8,256
Other consumer loans [Member] | FICO Score Less than 620 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	1,670
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	4,122
Financing Receivable, Originated Two Years before Latest Fiscal Year	8,890
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,373
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,406
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,198
Financing Receivable, Revolving	2,979
Financing Receivable, before Allowance for Credit Loss	23,638	23,904
Other consumer loans [Member] | FICO Score Less than 620 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	1,670
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	4,122
Financing Receivable, Originated Two Years before Latest Fiscal Year	8,890
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,373
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,406
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,198
Financing Receivable, Revolving	2,913
Financing Receivable, before Allowance for Credit Loss	23,572	23,740
Other consumer loans [Member] | FICO Score Less than 620 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	66
Financing Receivable, before Allowance for Credit Loss	66	164
Other consumer loans [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	6,783
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	15,046
Financing Receivable, Originated Two Years before Latest Fiscal Year	19,994
Financing Receivable, Originated Three Years before Latest Fiscal Year	6,095
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,049
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	6,931
Financing Receivable, Revolving	1,482
Financing Receivable, before Allowance for Credit Loss	59,380	62,690
Other consumer loans [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	6,783
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	14,859
Financing Receivable, Originated Two Years before Latest Fiscal Year	19,994
Financing Receivable, Originated Three Years before Latest Fiscal Year	6,095
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,049
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	6,303
Financing Receivable, Revolving	1,415
Financing Receivable, before Allowance for Credit Loss	58,498	61,667
Other consumer loans [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	187
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	628
Financing Receivable, Revolving	67
Financing Receivable, before Allowance for Credit Loss	882	1,023
Other consumer loans [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	4,834
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	12,406
Financing Receivable, Originated Two Years before Latest Fiscal Year	11,135
Financing Receivable, Originated Three Years before Latest Fiscal Year	4,296
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,842
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	3,641
Financing Receivable, Revolving	2,876
Financing Receivable, before Allowance for Credit Loss	41,030	40,782
Other consumer loans [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	4,834
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	12,229
Financing Receivable, Originated Two Years before Latest Fiscal Year	11,135
Financing Receivable, Originated Three Years before Latest Fiscal Year	4,254
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,793
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,301
Financing Receivable, Revolving	2,395
Financing Receivable, before Allowance for Credit Loss	38,941	38,602
Other consumer loans [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	177
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	42
Financing Receivable, Originated Four Years before Latest Fiscal Year	49
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,340
Financing Receivable, Revolving	481
Financing Receivable, before Allowance for Credit Loss	2,089	2,180
Other consumer loans [Member] | FICO Score Greater than or equal to 740 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	1,315
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,916
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,120
Financing Receivable, Originated Three Years before Latest Fiscal Year	992
Financing Receivable, Originated Four Years before Latest Fiscal Year	495
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,824
Financing Receivable, Revolving	3,327
Financing Receivable, before Allowance for Credit Loss	15,989	16,424
Other consumer loans [Member] | FICO Score Greater than or equal to 740 [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	1,315
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,786
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,120
Financing Receivable, Originated Three Years before Latest Fiscal Year	992
Financing Receivable, Originated Four Years before Latest Fiscal Year	471
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	202
Financing Receivable, Revolving	1,217
Financing Receivable, before Allowance for Credit Loss	11,103	11,535
Other consumer loans [Member] | FICO Score Greater than or equal to 740 [Member] | Florida region [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	130
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	24
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,622
Financing Receivable, Revolving	2,110
Financing Receivable, before Allowance for Credit Loss	4,886	4,889
Other consumer loans [Member] | Unscorable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	2,622
Financing Receivable, before Allowance for Credit Loss	2,622	4,438
Other consumer loans [Member] | Unscorable [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	2,622
Financing Receivable, before Allowance for Credit Loss	$ 2,622	$ 4,438

LOANS HELD FOR INVESTMENT - Col

LOANS HELD FOR INVESTMENT - Collateral Deoendent Loans Individually Evaluated (Detail) - Collateral Pledged [Member] - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	$ 147,353	$ 154,276
Loans individually evaluated related allowance	10,929	14,071
Loans individually evaluated with no related specific allowance amortized cost	89,672	92,527
Total loans individually evaluated amortized cost	237,025	246,803
Residential Portfolio Segment [Member] | Loans Insured or Guaranteed by US Government Authorities [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	0	0
Loans individually evaluated related allowance	0	0
Loans individually evaluated with no related specific allowance amortized cost	0	0
Total loans individually evaluated amortized cost	0	0
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	105,579	107,174
Loans individually evaluated related allowance	8,273	10,570
Loans individually evaluated with no related specific allowance amortized cost	11,108	9,545
Total loans individually evaluated amortized cost	116,687	116,719
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	21,671	21,933
Loans individually evaluated related allowance	607	880
Loans individually evaluated with no related specific allowance amortized cost	23,759	25,289
Total loans individually evaluated amortized cost	45,430	47,222
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	18,806	17,882
Loans individually evaluated related allowance	1,863	1,923
Loans individually evaluated with no related specific allowance amortized cost	48,906	51,568
Total loans individually evaluated amortized cost	67,712	69,450
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	0	6,036
Loans individually evaluated related allowance	0	500
Loans individually evaluated with no related specific allowance amortized cost	5,899	6,125
Total loans individually evaluated amortized cost	5,899	12,161
Consumer Portfolio Segment [Member] | Auto loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	0	0
Loans individually evaluated related allowance	0	0
Loans individually evaluated with no related specific allowance amortized cost	0	0
Total loans individually evaluated amortized cost	0	0
Consumer Portfolio Segment [Member] | Finance Leases [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	0	0
Loans individually evaluated related allowance	0	0
Loans individually evaluated with no related specific allowance amortized cost	0	0
Total loans individually evaluated amortized cost	0	0
Consumer Portfolio Segment [Member] | Personal Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	145	146
Loans individually evaluated related allowance	1	2
Loans individually evaluated with no related specific allowance amortized cost	0	0
Total loans individually evaluated amortized cost	145	146
Consumer Portfolio Segment [Member] | Credit cards [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	0	0
Loans individually evaluated related allowance	0	0
Loans individually evaluated with no related specific allowance amortized cost	0	0
Total loans individually evaluated amortized cost	0	0
Consumer Portfolio Segment [Member] | Other Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	1,152	1,105
Loans individually evaluated related allowance	185	196
Loans individually evaluated with no related specific allowance amortized cost	0	0
Total loans individually evaluated amortized cost	1,152	1,105
Puerto Rico and Virgin Islands regions [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	140,439	147,804
Loans individually evaluated related allowance	10,168	13,000
Loans individually evaluated with no related specific allowance amortized cost	84,301	87,239
Total loans individually evaluated amortized cost	224,740	235,043
Puerto Rico and Virgin Islands regions [Member] | Residential Portfolio Segment [Member] | Loans Insured or Guaranteed by US Government Authorities [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	0	0
Loans individually evaluated related allowance	0	0
Loans individually evaluated with no related specific allowance amortized cost	0	0
Total loans individually evaluated amortized cost	0	0
Puerto Rico and Virgin Islands regions [Member] | Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	98,839	100,950
Loans individually evaluated related allowance	7,546	9,582
Loans individually evaluated with no related specific allowance amortized cost	8,584	7,145
Total loans individually evaluated amortized cost	107,423	108,095
Puerto Rico and Virgin Islands regions [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	21,671	21,933
Loans individually evaluated related allowance	607	880
Loans individually evaluated with no related specific allowance amortized cost	23,223	24,728
Total loans individually evaluated amortized cost	44,894	46,661
Puerto Rico and Virgin Islands regions [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	18,806	17,882
Loans individually evaluated related allowance	1,863	1,923
Loans individually evaluated with no related specific allowance amortized cost	46,595	49,241
Total loans individually evaluated amortized cost	65,401	67,123
Puerto Rico and Virgin Islands regions [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	0	6,036
Loans individually evaluated related allowance	0	500
Loans individually evaluated with no related specific allowance amortized cost	5,899	6,125
Total loans individually evaluated amortized cost	5,899	12,161
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	0	0
Loans individually evaluated related allowance	0	0
Loans individually evaluated with no related specific allowance amortized cost	0	0
Total loans individually evaluated amortized cost	0	0
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	0	0
Loans individually evaluated related allowance	0	0
Loans individually evaluated with no related specific allowance amortized cost	0	0
Total loans individually evaluated amortized cost	0	0
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	145	146
Loans individually evaluated related allowance	1	2
Loans individually evaluated with no related specific allowance amortized cost	0	0
Total loans individually evaluated amortized cost	145	146
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	0	0
Loans individually evaluated related allowance	0	0
Loans individually evaluated with no related specific allowance amortized cost	0	0
Total loans individually evaluated amortized cost	0	0
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	978	857
Loans individually evaluated related allowance	151	113
Loans individually evaluated with no related specific allowance amortized cost	0	0
Total loans individually evaluated amortized cost	978	857
Florida region
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	6,914	6,472
Loans individually evaluated related allowance	761	1,071
Loans individually evaluated with no related specific allowance amortized cost	5,371	5,288
Total loans individually evaluated amortized cost	12,285	11,760
Florida region | Residential Portfolio Segment [Member] | Loans Insured or Guaranteed by US Government Authorities [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	0	0
Loans individually evaluated related allowance	0	0
Loans individually evaluated with no related specific allowance amortized cost	0	0
Total loans individually evaluated amortized cost	0	0
Florida region | Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	6,740	6,224
Loans individually evaluated related allowance	727	988
Loans individually evaluated with no related specific allowance amortized cost	2,524	2,400
Total loans individually evaluated amortized cost	9,264	8,624
Florida region | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	0	0
Loans individually evaluated related allowance	0	0
Loans individually evaluated with no related specific allowance amortized cost	536	561
Total loans individually evaluated amortized cost	536	561
Florida region | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	0	0
Loans individually evaluated related allowance	0	0
Loans individually evaluated with no related specific allowance amortized cost	2,311	2,327
Total loans individually evaluated amortized cost	2,311	2,327
Florida region | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	0	0
Loans individually evaluated related allowance	0	0
Loans individually evaluated with no related specific allowance amortized cost	0	0
Total loans individually evaluated amortized cost	0	0
Florida region | Consumer Portfolio Segment [Member] | Auto loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	0	0
Loans individually evaluated related allowance	0	0
Loans individually evaluated with no related specific allowance amortized cost	0	0
Total loans individually evaluated amortized cost	0	0
Florida region | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	0	0
Loans individually evaluated related allowance	0	0
Loans individually evaluated with no related specific allowance amortized cost	0	0
Total loans individually evaluated amortized cost	0	0
Florida region | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	0	0
Loans individually evaluated related allowance	0	0
Loans individually evaluated with no related specific allowance amortized cost	0	0
Total loans individually evaluated amortized cost	0	0
Florida region | Consumer Portfolio Segment [Member] | Credit cards [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	0	0
Loans individually evaluated related allowance	0	0
Loans individually evaluated with no related specific allowance amortized cost	0	0
Total loans individually evaluated amortized cost	0	0
Florida region | Consumer Portfolio Segment [Member] | Other Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans individually evaluated with a specific allowance amortized cost	174	248
Loans individually evaluated related allowance	34	83
Loans individually evaluated with no related specific allowance amortized cost	0	0
Total loans individually evaluated amortized cost	$ 174	$ 248

LOANS HELD FOR INVESTMENT - Add

LOANS HELD FOR INVESTMENT - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Apr. 30, 2021	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Loans and Leases Receivable Disclosure [Line Items]
Accrued interest receivable		$ 61,511		$ 69,505
Loans held for investment transferred to held for sale		28,283	$ 3,535
Charge-offs		16,234	20,195
Total Past Due		504,146		498,303
Loans and Leases Receivable, Gross		$ 11,600
Minimum Period To Be Considered For Loan To Have Defaulted		90 days
TDR [Member]
Loans and Leases Receivable Disclosure [Line Items]
Financing Receivable, Troubled Debt Restructuring		$ 460,204	497,295	479,196	$ 487,997
Outstanding unfunded commitments on TDR loans		24
Financing Receivable Removed From Troubled Debt Restructurings Classification		$ 6,023	0
Puerto Rico [Member]
Loans and Leases Receivable Disclosure [Line Items]
Credit risk concentration		79.00%
United States [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Past Due		$ 22,710		20,577
Credit risk concentration		17.00%
USVI and BVI [Member]
Loans and Leases Receivable Disclosure [Line Items]
Credit risk concentration		4.00%
Performing Financing Receivable [Member]
Loans and Leases Receivable Disclosure [Line Items]
Financing Receivable, Troubled Debt Restructuring		$ 373,800		393,300
Performing Financing Receivable [Member] | Ab Note Restructure Workout Strategy [Member]
Loans and Leases Receivable Disclosure [Line Items]
Financing Receivable, Troubled Debt Restructuring		38,400
Performing Financing Receivable [Member] | United States [Member]
Loans and Leases Receivable Disclosure [Line Items]
Financing Receivable, Troubled Debt Restructuring		6,800		6,600
Nonperforming Financing Receivable [Member]
Loans and Leases Receivable Disclosure [Line Items]
Accrued interest reversed		$ 1,000	500
Collateral Pledged [Member] | Weighted Average [Member]
Loans and Leases Receivable Disclosure [Line Items]
LTV Coverage %		79.00%
Loans and Finance Receivables [Member]
Loans and Leases Receivable Disclosure [Line Items]
Accrued interest receivable		$ 50,100		57,200
Residential Portfolio Segment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Residential mortgage loans in process of foreclosure		$ 169,800
Loans Foreclosure Delinquency Threshold		120 days
Financing Receivable, Real Estate Acquired Through Foreclosure [Policy Text Block]		The Corporation commences the foreclosure process on residential real estate loans when a borrower becomes 120 days delinquent, in accordance with the requirements of the Consumer Financial Protection Bureau (“CFPB”). Foreclosure procedures and timelines vary depending on whether the property is located in a judicial or non-judicial state. Judicial states ( i.e ., Puerto Rico, Florida and the USVI) require the foreclosure to be processed through the state’s court while foreclosure in non-judicial states ( i.e., the BVI) is processed without court intervention. Foreclosure timelines vary according to local jurisdiction law and investor guidelines. Occasionally, foreclosures may be delayed due to, among other reasons, mandatory mediations, bankruptcy, court delays and title issues.
Charge-offs		$ 2,825	4,435
Residential Portfolio Segment [Member] | TDR [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans in trial		800
Residential Portfolio Segment [Member] | Government [Member] | PRHFA [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross		103,800		106,500
Residential Portfolio Segment [Member] | PCD loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Residential mortgage loans in process of foreclosure		18,600
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Past Due		216,546		228,478
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | TDR [Member]
Loans and Leases Receivable Disclosure [Line Items]
Financing Receivable, Troubled Debt Restructuring		306,533		310,606
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | United States [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Past Due		18,609		17,659
Residential Portfolio Segment [Member] | Loans Insured or Guaranteed by US Government Authorities [Member]
Loans and Leases Receivable Disclosure [Line Items]
Residential mortgage loans in process of foreclosure		58,700
Loans sales		56,100	60,900
Total Past Due		101,443		101,466
Residential Portfolio Segment [Member] | Loans Insured or Guaranteed by US Government Authorities [Member] | TDR [Member]
Loans and Leases Receivable Disclosure [Line Items]
Financing Receivable, Troubled Debt Restructuring		59,800		58,700
Residential Portfolio Segment [Member] | Loans Insured or Guaranteed by US Government Authorities [Member] | United States [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Past Due		250		250
Residential Portfolio Segment [Member] | FNMA and FHLC loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Purchase of loans		300	41
Residential Portfolio Segment [Member] | FNMA and FHLC loans [Member] | Performing Financing Receivable [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans sales		95,400	32,800
Residential Portfolio Segment [Member] | GNMA [Member] | Repurchase Option Program [Member]
Loans and Leases Receivable Disclosure [Line Items]
Purchase of loans		300	5,200
Total Past Due		17,200		10,700
Commercial Portfolio Segment [Member] | Section 4013 [Member] | COVID-19 [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross		324,100
Commercial Portfolio Segment [Member] | Puerto Rico [Member] | Government [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross		197,500		201,300
Commercial Portfolio Segment [Member] | Puerto Rico [Member] | Government [Member] | PREPA [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross		13,500
Commercial Portfolio Segment [Member] | Puerto Rico [Member] | Government [Member] | Property Tax Revenue [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross		107,200
Commercial Portfolio Segment [Member] | Puerto Rico [Member] | Government [Member] | Municipal Special Obligation Bond [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross		37,400
Commercial Portfolio Segment [Member] | Puerto Rico [Member] | Government [Member] | Puerto Rico Industrial Development Company [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross		39,400
Commercial Portfolio Segment [Member] | USVI [Member] | Government [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross		62,200		61,800
Commercial Portfolio Segment [Member] | USVI [Member] | Government [Member] | Public Corporations Member [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross		39,000
Commercial Portfolio Segment [Member] | USVI [Member] | Government [Member] | Independent Instrumentality [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross		23,200
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Charge-offs		45	3
Total Past Due		9,560		12,990
Commercial Portfolio Segment [Member] | Construction Loans [Member] | TDR [Member]
Loans and Leases Receivable Disclosure [Line Items]
Financing Receivable, Troubled Debt Restructuring		3,352		3,423
Commercial Portfolio Segment [Member] | Construction Loans [Member] | United States [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Past Due		0		0
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Loans and Leases Receivable Disclosure [Line Items]
Charge-offs		794	128
Total Past Due		67,494		44,522
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | TDR [Member]
Loans and Leases Receivable Disclosure [Line Items]
Financing Receivable, Troubled Debt Restructuring		61,445		64,438
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | United States [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Past Due		$ 0		0
Commercial Portfolio Segment [Member] | Loans and Finance Receivables [Member] | Section 4013 [Member] | COVID-19 [Member]
Loans and Leases Receivable Disclosure [Line Items]
Credit risk concentration		2.78%
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Loans and Leases Receivable Disclosure [Line Items]
Charge-offs		$ 809	125
Total Past Due		47,398		37,320
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Criticized [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans held for investment transferred to held for sale		28,200
Charge-offs		700
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Criticized [Member] | Loans Held For Sale [Member]
Loans and Leases Receivable Disclosure [Line Items]
Charge-offs		700
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Criticized [Member] | Loans held for sale sold [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans sales	$ 9,700	14,300
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | TDR [Member]
Loans and Leases Receivable Disclosure [Line Items]
Financing Receivable, Troubled Debt Restructuring		69,916		80,482
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | United States [Member]
Loans and Leases Receivable Disclosure [Line Items]
Purchase of loans		15,100
Total Past Due		2,771		$ 779
Consumer Portfolio Segment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Charge-offs		11,761	$ 15,504
Consumer Portfolio Segment [Member] | TDR [Member]
Loans and Leases Receivable Disclosure [Line Items]
Financing Receivable, Troubled Debt Restructuring		$ 19,000

LOANS HELD FOR INVESTMENT - Sel

LOANS HELD FOR INVESTMENT - Selected Information on TDRs Includes Recorded Investment by Loan Class and Modification Type (Detail) - Entity Loan Modification Program [Member] - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	$ 460,204	$ 479,196	$ 497,295	$ 487,997
Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	306,533	310,606
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	3,352	3,423
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	69,916	80,482
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	61,445	64,438
Consumer Portfolio Segment [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	19,000
Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	10,873	11,519
Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,108	1,144
Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	804	924
Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	3,685	4,302
Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	2,488	2,358
Interest rate below market [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	21,324	22,176
Interest rate below market [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	18,298	18,729
Interest rate below market [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	20	21
Interest rate below market [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	232	238
Interest rate below market [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,487	1,491
Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	56	58
Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,231	1,639
Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Maturity or term extension [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	18,663	29,251
Maturity or term extension [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	11,435	11,526
Maturity or term extension [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,641	1,700
Maturity or term extension [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	2,530	12,267
Maturity or term extension [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,561	2,214
Maturity or term extension [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	436	529
Maturity or term extension [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	5	15
Maturity or term extension [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	8	9
Maturity or term extension [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,047	991
Maturity or term extension [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Combination of reduction in interest rateand extension of maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	269,563	275,665
Combination of reduction in interest rateand extension of maturity [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	210,220	213,412
Combination of reduction in interest rateand extension of maturity [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,509	1,516
Combination of reduction in interest rateand extension of maturity [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	14,157	14,119
Combination of reduction in interest rateand extension of maturity [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	35,527	37,495
Combination of reduction in interest rateand extension of maturity [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	4,204	4,878
Combination of reduction in interest rateand extension of maturity [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	486	588
Combination of reduction in interest rateand extension of maturity [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	490	571
Combination of reduction in interest rateand extension of maturity [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	496	744
Combination of reduction in interest rateand extension of maturity [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	2,474	2,342
Forgiveness of principal and/or interest [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	205	209
Forgiveness of principal and/or interest [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Forgiveness of principal and/or interest [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Forgiveness of principal and/or interest [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Forgiveness of principal and/or interest [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	191	193
Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	14	16
Forbearance Agreement [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	34,166	34,586
Forbearance Agreement [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	222	223
Forbearance Agreement [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Forbearance Agreement [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	17,647	17,890
Forbearance Agreement [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	16,297	16,473
Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Other Loan Modifications [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	116,283	117,309
Other Loan Modifications [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	66,358	66,716
Other Loan Modifications [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	182	186
Other Loan Modifications [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	35,350	35,968
Other Loan Modifications [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	6,573	6,765
Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	6,233	6,112
Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	617	541
Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	250	286
Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	720	735
Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	452,847	472,017
Puerto Rico and Virgin Islands regions [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	302,580	306,937
Puerto Rico and Virgin Islands regions [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	3,352	3,423
Puerto Rico and Virgin Islands regions [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	69,715	80,258
Puerto Rico and Virgin Islands regions [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	58,854	61,823
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	10,810	11,449
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,108	1,144
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	804	924
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	3,136	3,701
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	2,488	2,358
Puerto Rico and Virgin Islands regions [Member] | Interest rate below market [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	20,356	21,150
Puerto Rico and Virgin Islands regions [Member] | Interest rate below market [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	17,330	17,740
Puerto Rico and Virgin Islands regions [Member] | Interest rate below market [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	20	21
Puerto Rico and Virgin Islands regions [Member] | Interest rate below market [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	232	238
Puerto Rico and Virgin Islands regions [Member] | Interest rate below market [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,487	1,491
Puerto Rico and Virgin Islands regions [Member] | Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Puerto Rico and Virgin Islands regions [Member] | Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Puerto Rico and Virgin Islands regions [Member] | Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	56	58
Puerto Rico and Virgin Islands regions [Member] | Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,231	1,602
Puerto Rico and Virgin Islands regions [Member] | Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Puerto Rico and Virgin Islands regions [Member] | Maturity or term extension [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	17,386	27,961
Puerto Rico and Virgin Islands regions [Member] | Maturity or term extension [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	11,037	11,125
Puerto Rico and Virgin Islands regions [Member] | Maturity or term extension [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,641	1,700
Puerto Rico and Virgin Islands regions [Member] | Maturity or term extension [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	2,530	12,267
Puerto Rico and Virgin Islands regions [Member] | Maturity or term extension [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	732	1,380
Puerto Rico and Virgin Islands regions [Member] | Maturity or term extension [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	386	474
Puerto Rico and Virgin Islands regions [Member] | Maturity or term extension [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	5	15
Puerto Rico and Virgin Islands regions [Member] | Maturity or term extension [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	8	9
Puerto Rico and Virgin Islands regions [Member] | Maturity or term extension [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,047	991
Puerto Rico and Virgin Islands regions [Member] | Maturity or term extension [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Puerto Rico and Virgin Islands regions [Member] | Combination of reduction in interest rateand extension of maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	265,052	271,440
Puerto Rico and Virgin Islands regions [Member] | Combination of reduction in interest rateand extension of maturity [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	207,653	211,155
Puerto Rico and Virgin Islands regions [Member] | Combination of reduction in interest rateand extension of maturity [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,509	1,516
Puerto Rico and Virgin Islands regions [Member] | Combination of reduction in interest rateand extension of maturity [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	14,157	14,119
Puerto Rico and Virgin Islands regions [Member] | Combination of reduction in interest rateand extension of maturity [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	33,765	35,714
Puerto Rico and Virgin Islands regions [Member] | Combination of reduction in interest rateand extension of maturity [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	4,191	4,863
Puerto Rico and Virgin Islands regions [Member] | Combination of reduction in interest rateand extension of maturity [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	486	588
Puerto Rico and Virgin Islands regions [Member] | Combination of reduction in interest rateand extension of maturity [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	490	571
Puerto Rico and Virgin Islands regions [Member] | Combination of reduction in interest rateand extension of maturity [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	327	572
Puerto Rico and Virgin Islands regions [Member] | Combination of reduction in interest rateand extension of maturity [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	2,474	2,342
Puerto Rico and Virgin Islands regions [Member] | Forgiveness of principal and/or interest [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	205	209
Puerto Rico and Virgin Islands regions [Member] | Forgiveness of principal and/or interest [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Puerto Rico and Virgin Islands regions [Member] | Forgiveness of principal and/or interest [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Puerto Rico and Virgin Islands regions [Member] | Forgiveness of principal and/or interest [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Puerto Rico and Virgin Islands regions [Member] | Forgiveness of principal and/or interest [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Puerto Rico and Virgin Islands regions [Member] | Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Puerto Rico and Virgin Islands regions [Member] | Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Puerto Rico and Virgin Islands regions [Member] | Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Puerto Rico and Virgin Islands regions [Member] | Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	191	193
Puerto Rico and Virgin Islands regions [Member] | Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	14	16
Puerto Rico and Virgin Islands regions [Member] | Forbearance Agreement [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	34,166	34,586
Puerto Rico and Virgin Islands regions [Member] | Forbearance Agreement [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	222	223
Puerto Rico and Virgin Islands regions [Member] | Forbearance Agreement [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Puerto Rico and Virgin Islands regions [Member] | Forbearance Agreement [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	17,647	17,890
Puerto Rico and Virgin Islands regions [Member] | Forbearance Agreement [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	16,297	16,473
Puerto Rico and Virgin Islands regions [Member] | Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Puerto Rico and Virgin Islands regions [Member] | Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Puerto Rico and Virgin Islands regions [Member] | Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Puerto Rico and Virgin Islands regions [Member] | Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Puerto Rico and Virgin Islands regions [Member] | Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Puerto Rico and Virgin Islands regions [Member] | Other Loan Modifications [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	115,682	116,671
Puerto Rico and Virgin Islands regions [Member] | Other Loan Modifications [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	66,338	66,694
Puerto Rico and Virgin Islands regions [Member] | Other Loan Modifications [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	182	186
Puerto Rico and Virgin Islands regions [Member] | Other Loan Modifications [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	35,149	35,744
Puerto Rico and Virgin Islands regions [Member] | Other Loan Modifications [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	6,573	6,765
Puerto Rico and Virgin Islands regions [Member] | Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	6,233	6,112
Puerto Rico and Virgin Islands regions [Member] | Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	617	541
Puerto Rico and Virgin Islands regions [Member] | Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	250	286
Puerto Rico and Virgin Islands regions [Member] | Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	340	343
Puerto Rico and Virgin Islands regions [Member] | Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	7,357	7,179
Florida region | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	3,953	3,669
Florida region | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	201	224
Florida region | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	2,591	2,615
Florida region | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	63	70
Florida region | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	549	601
Florida region | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Interest rate below market [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	968	1,026
Florida region | Interest rate below market [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	968	989
Florida region | Interest rate below market [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Interest rate below market [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Interest rate below market [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	37
Florida region | Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Maturity or term extension [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,277	1,290
Florida region | Maturity or term extension [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	398	401
Florida region | Maturity or term extension [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Maturity or term extension [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Maturity or term extension [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	829	834
Florida region | Maturity or term extension [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	50	55
Florida region | Maturity or term extension [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Maturity or term extension [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Maturity or term extension [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Maturity or term extension [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Combination of reduction in interest rateand extension of maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	4,511	4,225
Florida region | Combination of reduction in interest rateand extension of maturity [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	2,567	2,257
Florida region | Combination of reduction in interest rateand extension of maturity [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Combination of reduction in interest rateand extension of maturity [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Combination of reduction in interest rateand extension of maturity [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,762	1,781
Florida region | Combination of reduction in interest rateand extension of maturity [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	13	15
Florida region | Combination of reduction in interest rateand extension of maturity [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Combination of reduction in interest rateand extension of maturity [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Combination of reduction in interest rateand extension of maturity [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	169	172
Florida region | Combination of reduction in interest rateand extension of maturity [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Forgiveness of principal and/or interest [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Forgiveness of principal and/or interest [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Forgiveness of principal and/or interest [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Forgiveness of principal and/or interest [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Forgiveness of principal and/or interest [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Forbearance Agreement [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Forbearance Agreement [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Forbearance Agreement [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Forbearance Agreement [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Forbearance Agreement [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Other Loan Modifications [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	601	638
Florida region | Other Loan Modifications [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	20	22
Florida region | Other Loan Modifications [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Other Loan Modifications [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	201	224
Florida region | Other Loan Modifications [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	0	0
Florida region | Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	380	392
Florida region | Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Recorded Investment	$ 0	$ 0

LOANS HELD FOR INVESTMENT - C_9

LOANS HELD FOR INVESTMENT - Corporation's TDR Activity (Detail) - Entity Loan Modification Program [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Financing Receivable, Troubled Debt Restructuring [Line Items]
Beginning Balance of TDRs	$ 479,196	$ 487,997
New TDRs	3,019	23,125
Increases to existing TDRs (disbursements)	34	103
Charge-offs post modification	(2,909)	(2,337)
Foreclosures	(866)	(1,611)
Removed from TDR classification	(6,023)	0
Paid-off and partial payments	(12,247)	(9,982)
Ending balance of TDRs	$ 460,204	$ 497,295

LOANS HELD FOR INVESTMENT - Bre

LOANS HELD FOR INVESTMENT - Breakdown Between Accrual and Nonaccrual Status of TDRs (Detail) - Entity Loan Modification Program [Member] - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	$ 373,806	$ 393,327
Financing Receivable Modifications Recorded Investment Nonaccrual Status	86,398	85,869
Financing Receivable, Troubled Debt Restructuring	460,204	479,196	$ 497,295	$ 487,997
Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	248,921	256,779
Financing Receivable Modifications Recorded Investment Nonaccrual Status	57,612	53,827
Financing Receivable, Troubled Debt Restructuring	306,533	310,606
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	2,589	2,480
Financing Receivable Modifications Recorded Investment Nonaccrual Status	763	943
Financing Receivable, Troubled Debt Restructuring	3,352	3,423
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	44,633	45,627
Financing Receivable Modifications Recorded Investment Nonaccrual Status	16,812	18,811
Financing Receivable, Troubled Debt Restructuring	61,445	64,438
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	64,126	73,649
Financing Receivable Modifications Recorded Investment Nonaccrual Status	5,790	6,833
Financing Receivable, Troubled Debt Restructuring	69,916	80,482
Consumer Portfolio Segment [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Troubled Debt Restructuring	19,000
Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	5,853	6,551
Financing Receivable Modifications Recorded Investment Nonaccrual Status	5,020	4,968
Financing Receivable, Troubled Debt Restructuring	10,873	11,519
Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	1,092	1,125
Financing Receivable Modifications Recorded Investment Nonaccrual Status	16	19
Financing Receivable, Troubled Debt Restructuring	1,108	1,144
Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	804	920
Financing Receivable Modifications Recorded Investment Nonaccrual Status	0	4
Financing Receivable, Troubled Debt Restructuring	804	924
Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	3,300	3,838
Financing Receivable Modifications Recorded Investment Nonaccrual Status	385	464
Financing Receivable, Troubled Debt Restructuring	3,685	4,302
Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	2,488	2,358
Financing Receivable Modifications Recorded Investment Nonaccrual Status	0	0
Financing Receivable, Troubled Debt Restructuring	2,488	2,358
Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	366,955	386,720
Financing Receivable Modifications Recorded Investment Nonaccrual Status	85,892	85,297
Financing Receivable, Troubled Debt Restructuring	452,847	472,017
Puerto Rico and Virgin Islands regions [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	245,273	253,421
Financing Receivable Modifications Recorded Investment Nonaccrual Status	57,307	53,516
Financing Receivable, Troubled Debt Restructuring	302,580	306,937
Puerto Rico and Virgin Islands regions [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	2,589	2,480
Financing Receivable Modifications Recorded Investment Nonaccrual Status	763	943
Financing Receivable, Troubled Debt Restructuring	3,352	3,423
Puerto Rico and Virgin Islands regions [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	42,042	43,012
Financing Receivable Modifications Recorded Investment Nonaccrual Status	16,812	18,811
Financing Receivable, Troubled Debt Restructuring	58,854	61,823
Puerto Rico and Virgin Islands regions [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	64,126	73,649
Financing Receivable Modifications Recorded Investment Nonaccrual Status	5,589	6,609
Financing Receivable, Troubled Debt Restructuring	69,715	80,258
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	5,790	6,481
Financing Receivable Modifications Recorded Investment Nonaccrual Status	5,020	4,968
Financing Receivable, Troubled Debt Restructuring	10,810	11,449
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	1,092	1,125
Financing Receivable Modifications Recorded Investment Nonaccrual Status	16	19
Financing Receivable, Troubled Debt Restructuring	1,108	1,144
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	804	920
Financing Receivable Modifications Recorded Investment Nonaccrual Status	0	4
Financing Receivable, Troubled Debt Restructuring	804	924
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	2,751	3,274
Financing Receivable Modifications Recorded Investment Nonaccrual Status	385	427
Financing Receivable, Troubled Debt Restructuring	3,136	3,701
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	2,488	2,358
Financing Receivable Modifications Recorded Investment Nonaccrual Status	0	0
Financing Receivable, Troubled Debt Restructuring	2,488	2,358
Florida region
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	6,851	6,607
Financing Receivable Modifications Recorded Investment Nonaccrual Status	506	572
Financing Receivable, Troubled Debt Restructuring	7,357	7,179
Florida region | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	3,648	3,358
Financing Receivable Modifications Recorded Investment Nonaccrual Status	305	311
Financing Receivable, Troubled Debt Restructuring	3,953	3,669
Florida region | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	0	0
Financing Receivable Modifications Recorded Investment Nonaccrual Status	0	0
Financing Receivable, Troubled Debt Restructuring	0	0
Florida region | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	2,591	2,615
Financing Receivable Modifications Recorded Investment Nonaccrual Status	0	0
Financing Receivable, Troubled Debt Restructuring	2,591	2,615
Florida region | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	0	0
Financing Receivable Modifications Recorded Investment Nonaccrual Status	201	224
Financing Receivable, Troubled Debt Restructuring	201	224
Florida region | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	63	70
Financing Receivable Modifications Recorded Investment Nonaccrual Status	0	0
Financing Receivable, Troubled Debt Restructuring	63	70
Florida region | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	0	0
Financing Receivable Modifications Recorded Investment Nonaccrual Status	0	0
Financing Receivable, Troubled Debt Restructuring	0	0
Florida region | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	0	0
Financing Receivable Modifications Recorded Investment Nonaccrual Status	0	0
Financing Receivable, Troubled Debt Restructuring	0	0
Florida region | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	549	564
Financing Receivable Modifications Recorded Investment Nonaccrual Status	0	37
Financing Receivable, Troubled Debt Restructuring	549	601
Florida region | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Recorded Investment Accrual Status	0	0
Financing Receivable Modifications Recorded Investment Nonaccrual Status	0	0
Financing Receivable, Troubled Debt Restructuring	$ 0	$ 0

LOANS HELD FOR INVESTMENT - B_2

LOANS HELD FOR INVESTMENT - Breakdown Between Accrual and Nonaccrual Status of TDRs (Parenthetical) (Detail) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
TDR [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans forced to nonaccrual status	$ 7.1	$ 5.9

LOANS HELD FOR INVESTMENT - L_3

LOANS HELD FOR INVESTMENT - Loan Modifications are Considered TDRs (Detail) - Entity Loan Modification Program [Member] $ in Thousands	3 Months Ended
	Mar. 31, 2021USD ($)numberofcontracts	Mar. 31, 2020USD ($)numberofcontracts
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	172	273
Pre-Modification Outstanding Recorded Investment	$ 3,124	$ 23,683
Post-Modification Outstanding Recorded Investment	$ 3,019	$ 23,125
Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	11	32
Pre-Modification Outstanding Recorded Investment	$ 1,367	$ 3,124
Post-Modification Outstanding Recorded Investment	$ 1,266	$ 2,560
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	3
Pre-Modification Outstanding Recorded Investment	$ 0	$ 18,386
Post-Modification Outstanding Recorded Investment	$ 0	$ 18,386
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	2	2
Pre-Modification Outstanding Recorded Investment	$ 165	$ 75
Post-Modification Outstanding Recorded Investment	$ 165	$ 81
Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	45	81
Pre-Modification Outstanding Recorded Investment	$ 818	$ 1,241
Post-Modification Outstanding Recorded Investment	$ 815	$ 1,235
Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	13	21
Pre-Modification Outstanding Recorded Investment	$ 189	$ 284
Post-Modification Outstanding Recorded Investment	$ 188	$ 284
Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	6	13
Pre-Modification Outstanding Recorded Investment	$ 26	$ 113
Post-Modification Outstanding Recorded Investment	$ 26	$ 111
Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	30	64
Pre-Modification Outstanding Recorded Investment	$ 125	$ 180
Post-Modification Outstanding Recorded Investment	$ 125	$ 188
Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	65	57
Pre-Modification Outstanding Recorded Investment	$ 434	$ 280
Post-Modification Outstanding Recorded Investment	$ 434	$ 280
Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	171	273
Pre-Modification Outstanding Recorded Investment	$ 2,803	$ 23,683
Post-Modification Outstanding Recorded Investment	$ 2,698	$ 23,125
Puerto Rico and Virgin Islands regions [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	10	32
Pre-Modification Outstanding Recorded Investment	$ 1,046	$ 3,124
Post-Modification Outstanding Recorded Investment	$ 945	$ 2,560
Puerto Rico and Virgin Islands regions [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0
Puerto Rico and Virgin Islands regions [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	3
Pre-Modification Outstanding Recorded Investment	$ 0	$ 18,386
Post-Modification Outstanding Recorded Investment	$ 0	$ 18,386
Puerto Rico and Virgin Islands regions [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	2	2
Pre-Modification Outstanding Recorded Investment	$ 165	$ 75
Post-Modification Outstanding Recorded Investment	$ 165	$ 81
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	45	81
Pre-Modification Outstanding Recorded Investment	$ 818	$ 1,241
Post-Modification Outstanding Recorded Investment	$ 815	$ 1,235
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	13	21
Pre-Modification Outstanding Recorded Investment	$ 189	$ 284
Post-Modification Outstanding Recorded Investment	$ 188	$ 284
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	6	13
Pre-Modification Outstanding Recorded Investment	$ 26	$ 113
Post-Modification Outstanding Recorded Investment	$ 26	$ 111
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	30	64
Pre-Modification Outstanding Recorded Investment	$ 125	$ 180
Post-Modification Outstanding Recorded Investment	$ 125	$ 188
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	65	57
Pre-Modification Outstanding Recorded Investment	$ 434	$ 280
Post-Modification Outstanding Recorded Investment	$ 434	$ 280
Florida region
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	1	0
Pre-Modification Outstanding Recorded Investment	$ 321	$ 0
Post-Modification Outstanding Recorded Investment	$ 321	$ 0
Florida region | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	1	0
Pre-Modification Outstanding Recorded Investment	$ 321	$ 0
Post-Modification Outstanding Recorded Investment	$ 321	$ 0
Florida region | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0
Florida region | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0
Florida region | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0
Florida region | Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0
Florida region | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0
Florida region | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0
Florida region | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0
Florida region | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0

LOANS HELD FOR INVESTMENT - L_4

LOANS HELD FOR INVESTMENT - Loan Modifications Considered Troubled Debt Restructurings Defaulted (Detail) - Entity Loan Modification Program [Member] $ in Thousands	3 Months Ended
	Mar. 31, 2021USD ($)numberofcontracts	Mar. 31, 2020USD ($)numberofcontracts
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	39	53
Recorded Investment | $	$ 775	$ 2,234
Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	2	6
Recorded Investment | $	$ 178	$ 1,889
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	1
Recorded Investment | $	$ 0	$ 35
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Recorded Investment | $	$ 0	$ 0
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Recorded Investment | $	$ 0	$ 0
Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	7	29
Recorded Investment | $	$ 33	$ 108
Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	29	10
Recorded Investment | $	$ 557	$ 176
Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	1
Recorded Investment | $	$ 0	$ 5
Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	1
Recorded Investment | $	$ 0	$ 7
Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	1	5
Recorded Investment | $	$ 7	$ 14
Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	39	53
Recorded Investment | $	$ 775	$ 2,234
Puerto Rico and Virgin Islands regions [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	2	6
Recorded Investment | $	$ 178	$ 1,889
Puerto Rico and Virgin Islands regions [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	1
Recorded Investment | $	$ 0	$ 35
Puerto Rico and Virgin Islands regions [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Recorded Investment | $	$ 0	$ 0
Puerto Rico and Virgin Islands regions [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Recorded Investment | $	$ 0	$ 0
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	7	29
Recorded Investment | $	$ 33	$ 108
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	29	10
Recorded Investment | $	$ 557	$ 176
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	1
Recorded Investment | $	$ 0	$ 5
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	1
Recorded Investment | $	$ 0	$ 7
Puerto Rico and Virgin Islands regions [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	1	5
Recorded Investment | $	$ 7	$ 14
Florida region
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Recorded Investment | $	$ 0	$ 0
Florida region | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Recorded Investment | $	$ 0	$ 0
Florida region | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Recorded Investment | $	$ 0	$ 0
Florida region | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Recorded Investment | $	$ 0	$ 0
Florida region | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Recorded Investment | $	$ 0	$ 0
Florida region | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Recorded Investment | $	$ 0	$ 0
Florida region | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Recorded Investment | $	$ 0	$ 0
Florida region | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Recorded Investment | $	$ 0	$ 0
Florida region | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Recorded Investment | $	$ 0	$ 0
Florida region | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | numberofcontracts	0	0
Recorded Investment | $	$ 0	$ 0

LOANS HELD FOR INVESTMENT - L_5

LOANS HELD FOR INVESTMENT - Loan Restructuring and Effect on Allowance for Loan and Lease Losses (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Loans And Leases Receivable Disclosure [Abstract]
Beginning balance	$ 385,887	$ 155,139
Impact of adopting ASC 326	27,000
Provision for credit losses (benefit) expense	(14,443)	74,045
Recoveries	3,726	2,620
Charge-offs	(16,234)	(20,195)
Ending balance	358,936	292,774
Commercial Portfolio Segment [Member]
Loans And Leases Receivable Disclosure [Abstract]
Impact of adopting ASC 326	15,900
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Loans And Leases Receivable Disclosure [Abstract]
Beginning balance	5,380	2,370
Provision for credit losses (benefit) expense	(456)	2,062
Recoveries	36	27
Charge-offs	(45)	(3)
Ending balance	4,915	5,253
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Loans And Leases Receivable Disclosure [Abstract]
Beginning balance	109,342	39,194
Provision for credit losses (benefit) expense	(8,820)	14,167
Recoveries	54	44
Charge-offs	(794)	(128)
Ending balance	99,782	33,971
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Loans And Leases Receivable Disclosure [Abstract]
Beginning balance	37,944	15,198
Provision for credit losses (benefit) expense	(5,312)	8,391
Recoveries	264	115
Charge-offs	(809)	(125)
Ending balance	32,087	38,310
Entity Loan Modification Program [Member]
Financing Receivable, Troubled Debt Restructuring [Abstract]
Beginning Balance of TDRs	479,196	487,997
New TDRs loan splits	3,019	23,125
Charge-offs post modification	(2,909)	(2,337)
Paid-off and partial payments	(12,247)	(9,982)
Ending balance of TDRs	460,204	497,295
Entity Loan Modification Program [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Abstract]
Beginning Balance of TDRs	3,423
Ending balance of TDRs	3,352
Entity Loan Modification Program [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Abstract]
Beginning Balance of TDRs	64,438
Ending balance of TDRs	61,445
Entity Loan Modification Program [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Abstract]
Beginning Balance of TDRs	80,482
Ending balance of TDRs	69,916
Entity Loan Modification Program [Member] | Ab Note Restructure Workout Strategy [Member]
Financing Receivable, Troubled Debt Restructuring [Abstract]
Beginning Balance of TDRs	45,087	51,228
New TDRs loan splits	0	0
Charge-offs post modification	(100)	0
Paid-off and partial payments	(122)	(322)
Ending balance of TDRs	44,865	50,906
Loans And Leases Receivable Disclosure [Abstract]
Beginning balance	401	3,530
Provision for credit losses (benefit) expense	(301)	(87)
Charge-offs	(100)	0
Ending balance	0	3,117
Entity Loan Modification Program [Member] | Ab Note Restructure Workout Strategy [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect Period Of Adoption Adjustment [Member]
Loans And Leases Receivable Disclosure [Abstract]
Impact of adopting ASC 326	0	(326)
Entity Loan Modification Program [Member] | Ab Note Restructure Workout Strategy [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Abstract]
Beginning Balance of TDRs	1,562	1,883
New TDRs loan splits	0	0
Charge-offs post modification	0	0
Paid-off and partial payments	(43)	(25)
Ending balance of TDRs	1,519	1,858
Loans And Leases Receivable Disclosure [Abstract]
Beginning balance	0	0
Provision for credit losses (benefit) expense	0	0
Charge-offs	0	0
Ending balance	0	0
Entity Loan Modification Program [Member] | Ab Note Restructure Workout Strategy [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member] | Accounting Standards Update 2016-13 [Member]
Loans And Leases Receivable Disclosure [Abstract]
Impact of adopting ASC 326	0	0
Entity Loan Modification Program [Member] | Ab Note Restructure Workout Strategy [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Abstract]
Beginning Balance of TDRs	16,475	22,749
New TDRs loan splits	0	0
Charge-offs post modification	(100)	0
Paid-off and partial payments	(77)	(97)
Ending balance of TDRs	16,298	22,652
Loans And Leases Receivable Disclosure [Abstract]
Beginning balance	0	3,516
Provision for credit losses (benefit) expense	100	15
Charge-offs	(100)	0
Ending balance	0	3,116
Entity Loan Modification Program [Member] | Ab Note Restructure Workout Strategy [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect Period Of Adoption Adjustment [Member]
Loans And Leases Receivable Disclosure [Abstract]
Impact of adopting ASC 326	0	(415)
Entity Loan Modification Program [Member] | Ab Note Restructure Workout Strategy [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Troubled Debt Restructuring [Abstract]
Beginning Balance of TDRs	27,050	26,596
New TDRs loan splits	0	0
Charge-offs post modification	0	0
Paid-off and partial payments	(2)	(200)
Ending balance of TDRs	27,048	26,396
Loans And Leases Receivable Disclosure [Abstract]
Beginning balance	401	14
Provision for credit losses (benefit) expense	(401)	(102)
Charge-offs	0	0
Ending balance	0	1
Entity Loan Modification Program [Member] | Ab Note Restructure Workout Strategy [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect Period Of Adoption Adjustment [Member]
Loans And Leases Receivable Disclosure [Abstract]
Impact of adopting ASC 326	$ 0	$ 89

ALLOWANCE FOR CREDIT LOSSES F_3

ALLOWANCE FOR CREDIT LOSSES FOR LOANS AND FINANCE LEASES - Activity in ACL on loans and finance leases (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Jan. 01, 2020
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	$ 385,887	$ 155,139
Provision for credit losses (benefit) expense	(14,443)	74,045
Charge-offs	(16,234)	(20,195)
Recoveries	3,726	2,620
Ending balance	358,936	292,774
ASC 326 | Cumulative Effect Period Of Adoption Adjustment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Impact of adopting ASC 326 on Loans and Finance leases			$ 81,165
Residential Portfolio Segment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	120,311	44,806
Provision for credit losses (benefit) expense	(4,175)	16,218
Charge-offs	(2,825)	(4,435)
Recoveries	733	656
Ending balance	114,044	107,082
Residential Portfolio Segment [Member] | ASC 326 | Cumulative Effect Period Of Adoption Adjustment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Impact of adopting ASC 326 on Loans and Finance leases			49,837
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	37,944	15,198
Provision for credit losses (benefit) expense	(5,312)	8,391
Charge-offs	(809)	(125)
Recoveries	264	115
Ending balance	32,087	38,310
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | ASC 326 | Cumulative Effect Period Of Adoption Adjustment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Impact of adopting ASC 326 on Loans and Finance leases			14,731
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	109,342	39,194
Provision for credit losses (benefit) expense	(8,820)	14,167
Charge-offs	(794)	(128)
Recoveries	54	44
Ending balance	99,782	33,971
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | ASC 326 | Cumulative Effect Period Of Adoption Adjustment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Impact of adopting ASC 326 on Loans and Finance leases			(19,306)
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	5,380	2,370
Impact of adopting ASC 326 on Loans and Finance leases			797
Provision for credit losses (benefit) expense	(456)	2,062
Charge-offs	(45)	(3)
Recoveries	36	27
Ending balance	4,915	5,253
Consumer Portfolio Segment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	112,910	53,571
Provision for credit losses (benefit) expense	4,320	33,207
Charge-offs	(11,761)	(15,504)
Recoveries	2,639	1,778
Ending balance	$ 108,108	$ 108,158
Consumer Portfolio Segment [Member] | ASC 326 | Cumulative Effect Period Of Adoption Adjustment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Impact of adopting ASC 326 on Loans and Finance leases			$ 35,106

ALLOWANCE FOR CREDIT LOSSES F_4

ALLOWANCE FOR CREDIT LOSSES FOR LOANS AND FINANCE LEASES - Carrying Amount of Portfolios (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable Allowance For Credit Losses [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 11,641,859	$ 11,777,289
Allowance for credit losses on loans and finance leases	358,936	385,887	$ 292,774	$ 155,139
Loans held for investmet [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 11,641,859	$ 11,777,289
Allowance for credit losses, numerator [Member] | Amortized cost, denominator [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses to amortized cost	3.08%	3.28%
Residential mortgage loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 3,395,081	$ 3,521,954
Allowance for credit losses on loans and finance leases	114,044	120,311	107,082	44,806
Residential mortgage loans [Member] | Loans held for investmet [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 3,395,081	$ 3,521,954
Residential mortgage loans [Member] | Allowance for credit losses, numerator [Member] | Amortized cost, denominator [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses to amortized cost	3.36%	3.42%
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 3,182,706	$ 3,202,590
Allowance for credit losses on loans and finance leases	32,087	37,944	38,310	15,198
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Loans held for investmet [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 3,182,706	$ 3,202,590
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Allowance for credit losses, numerator [Member] | Amortized cost, denominator [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses to amortized cost	1.01%	1.18%
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 2,216,887	$ 2,230,602
Allowance for credit losses on loans and finance leases	99,782	109,342	33,971	39,194
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Loans held for investmet [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 2,216,887	$ 2,230,602
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Allowance for credit losses, numerator [Member] | Amortized cost, denominator [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses to amortized cost	4.50%	4.90%
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 190,996	$ 212,500
Allowance for credit losses on loans and finance leases	4,915	5,380	5,253	2,370
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Loans held for investmet [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 190,996	$ 212,500
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Allowance for credit losses, numerator [Member] | Amortized cost, denominator [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses to amortized cost	2.57%	2.53%
Consumer Portfolio Segment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 2,656,189	$ 2,609,643
Allowance for credit losses on loans and finance leases	108,108	112,910	$ 108,158	$ 53,571
Consumer Portfolio Segment [Member] | Loans held for investmet [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 2,656,189	$ 2,609,643
Consumer Portfolio Segment [Member] | Allowance for credit losses, numerator [Member] | Amortized cost, denominator [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses to amortized cost	4.07%	4.33%

ALLOWANCE FOR CREDIT LOSSES F_5

ALLOWANCE FOR CREDIT LOSSES FOR LOANS AND FINANCE LEASES - Activity in ACL for unfunded loan commitments and standby letters of credit (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Jan. 01, 2020
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning Balance	$ 5,105	$ 0
Provision (release) for credit losses	706	1,819
Ending balance	$ 4,399	$ 5,741
ASC 326 | Cumulative Effect Period Of Adoption Adjustment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Impact of adopting ASC 326 on unfunded loan commitments and standby letters of credit			$ 3,922

ALLOWANCE FOR CREDIT LOSSES F_6

ALLOWANCE FOR CREDIT LOSSES FOR LOANS AND FINANCE LEASES - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses on loans and finance leases	$ 358,936	$ 292,774	$ 385,887	$ 155,139
Increase (decrease) in ACL	27,000
Provision for credit losses (benefit) expense	(14,443)	74,045
ACL for unfunded loan commitments and standby letters of credit	4,399	5,741	5,105	0
Provision (release) for credit losses on unfunded loan commitments and standby letters of credit	706	1,819
Loans held for investment	11,641,859		11,777,289
Residential Portfolio Segment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses on loans and finance leases	114,044	107,082	120,311	44,806
Increase (decrease) in ACL	6,300
Provision for credit losses (benefit) expense	(4,175)	16,218
Loans held for investment	3,395,081		3,521,954
Commercial Portfolio Segment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Increase (decrease) in ACL	15,900
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses on loans and finance leases	32,087	38,310	37,944	15,198
Provision for credit losses (benefit) expense	(5,312)	8,391
Loans held for investment	3,182,706		3,202,590
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses on loans and finance leases	99,782	33,971	109,342	39,194
Provision for credit losses (benefit) expense	(8,820)	14,167
Loans held for investment	2,216,887		2,230,602
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses on loans and finance leases	4,915	5,253	5,380	2,370
Provision for credit losses (benefit) expense	(456)	2,062
Loans held for investment	190,996		212,500
Consumer Portfolio Segment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses on loans and finance leases	108,108	108,158	112,910	$ 53,571
Increase (decrease) in ACL	4,800
Provision for credit losses (benefit) expense	4,320	$ 33,207
Net charge-offs	9,100
Loans held for investment	2,656,189		2,609,643
COVID-19 [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | US Government Insured Loan Program [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Loans held for investment	$ 430,500		$ 406,000

LOANS HELD FOR SALE - Portfolio

LOANS HELD FOR SALE - Portfolio of Loans Held for Sale (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Accounts Notes And Loans Receivable [Line Items]
Loans Receivable Held For Sale Net	$ 56,070	$ 50,289
Residential Portfolio Segment [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans Receivable Held For Sale Net	42,645	50,289
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans Receivable Held For Sale Net	$ 13,425	$ 0

LOANS HELD FOR SALE - Additiona

LOANS HELD FOR SALE - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Apr. 30, 2021	Mar. 31, 2021	Mar. 31, 2020
Accounts Notes And Loans Receivable [Line Items]
Loans held for investment transferred to held for sale		$ 28,283	$ 3,535
Charge-offs		(16,234)	(20,195)
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Accounts Notes And Loans Receivable [Line Items]
Charge-offs		(809)	$ (125)
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Criticized [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans held for investment transferred to held for sale		28,200
Charge-offs		(700)
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Criticized [Member] | Loans Held For Sale [Member]
Accounts Notes And Loans Receivable [Line Items]
Charge-offs		(700)
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Loans held for sale sold [Member] | Criticized [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans sales	$ 9,700	$ 14,300

OTHER REAL ESTATE OWNED- Other

OTHER REAL ESTATE OWNED- Other real estate owned (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Other Real Estate And Foreclosed Assets [Line Items]
Other real estate owned	$ 79,207	$ 83,060
Other Real Estate Owned [Member]
Other Real Estate And Foreclosed Assets [Line Items]
Other real estate owned	79,207	83,060
Other Real Estate Owned [Member] | Residential
Other Real Estate And Foreclosed Assets [Line Items]
Other real estate owned	31,642	32,418
Other Real Estate Owned [Member] | Commercial loans[Member] | Commercial And Industrial Sector [Member]
Other Real Estate And Foreclosed Assets [Line Items]
Other real estate owned	41,338	44,356
Other Real Estate Owned [Member] | Commercial loans[Member] | Construction Loans [Member]
Other Real Estate And Foreclosed Assets [Line Items]
Other real estate owned	$ 6,227	$ 6,286

OTHER REAL ESTATE OWNED- Additi

OTHER REAL ESTATE OWNED- Additional information (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Real Estate Properties [Line Items]
Foreclosures that meet the conditions of ASC Topic 310-40	$ 248,645	$ 272,737
Other Real Estate Owned [Member]
Real Estate Properties [Line Items]
Foreclosures that meet the conditions of ASC Topic 310-40	$ 17,700	$ 18,600

LEASES - Supplemental Balance S

LEASES - Supplemental Balance Sheet Information (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease right-of-use asset	$ 98,808	$ 103,186
Operating lease liabilities	$ 102,177	$ 106,502
Operating lease weighted average remaining lease term	8 years 3 months 18 days	8 years 6 months
Operating lease weighted average discount rate	2.26%	2.25%

LEASES - Supplemental Cash Flow

LEASES - Supplemental Cash Flow Information Related To Leases (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Leases [Abstract]
Operating cash flow from operating leases	$ 4,889	$ 2,550
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 0	$ 274

LEASES - Maturities Under Lease

LEASES - Maturities Under Lease Liability (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Leases [Abstract]
2021	$ 14,172
2022	17,945
2023	16,018
2024	14,507
2025	13,363
2026 and after	37,784
Total lease payments	113,789
Less: imputed interest	(11,612)
Operating lease liabilities	$ 102,177	$ 106,502

LEASES - Additional Information

LEASES - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Lessee, Lease, Description [Line Items]
Finance lease	$ 0
Operating lease cost	$ 5	$ 2.6
Minimum [Member]
Lessee, Lease, Description [Line Items]
Lease terms	2 years
Maximum [Member]
Lessee, Lease, Description [Line Items]
Lease terms	30 years
Option to extend	7 years

DERIVATIVE INSTRUMENTS AND HE_3

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Notional Amounts of All Derivative Instruments (Detail) - Not Designated as Hedging Instrument, Economic Hedge [Member] - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Economic undesignated hedges:
Notional amount of derivatives	$ 131,513	$ 126,793
Interest Rate Lock Commitments [Member]
Economic undesignated hedges:
Notional amount of derivatives	25,278	19,931
Forward loan sales commitments [Member]
Economic undesignated hedges:
Notional amount of derivatives	20,188	19,998
Sale of TBA GNMA MBS pools [Member]
Economic undesignated hedges:
Notional amount of derivatives	42,000	42,000
Interest Rate Cap [Member] | Written
Economic undesignated hedges:
Notional amount of derivatives	14,500	14,500
Interest Rate Cap [Member] | Purchase
Economic undesignated hedges:
Notional amount of derivatives	14,500	14,500
Interest Rate Swap [Member]
Economic undesignated hedges:
Notional amount of derivatives	$ 15,047	$ 15,864

DERIVATIVE INSTRUMENTS AND HE_4

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Summary of Fair Value of Derivative Instruments and Location in Statement of Financial Condition (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Derivatives Fair Value [Line Items]
Other Assets	$ 248,645	$ 272,737
Accounts payable and other liabilities	259,111	276,747
Not Designated as Hedging Instrument, Economic Hedge [Member]
Derivatives Fair Value [Line Items]
Asset Derivative	2,269	2,482
Liability Derivatives	1,356	1,920
Not Designated as Hedging Instrument, Economic Hedge [Member] | Sale of TBA GNMA MBS pools [Member]
Derivatives Fair Value [Line Items]
Other Assets	204	102
Accounts payable and other liabilities	44	280
Not Designated as Hedging Instrument, Economic Hedge [Member] | Loan Origination Commitments [Member]
Derivatives Fair Value [Line Items]
Other Assets	20	20
Accounts payable and other liabilities	0	0
Not Designated as Hedging Instrument, Economic Hedge [Member] | Interest Rate Lock Commitments [Member]
Derivatives Fair Value [Line Items]
Other Assets	725	737
Accounts payable and other liabilities	0	0
Not Designated as Hedging Instrument, Economic Hedge [Member] | Interest Rate Cap [Member] | Written
Derivatives Fair Value [Line Items]
Other Assets	0	0
Accounts payable and other liabilities	6	1
Not Designated as Hedging Instrument, Economic Hedge [Member] | Interest Rate Cap [Member] | Purchase
Derivatives Fair Value [Line Items]
Other Assets	6	1
Accounts payable and other liabilities	0	0
Not Designated as Hedging Instrument, Economic Hedge [Member] | Interest Rate Swap [Member]
Derivatives Fair Value [Line Items]
Asset Derivative	1,314	1,622
Liability Derivatives	$ 1,306	$ 1,639

DERIVATIVE INSTRUMENTS AND HE_5

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Effect of Derivative Instruments on Statement of Income (Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Derivative Instruments Gain Loss [Line Items]
Interest Income Loans	$ (179,973)	$ (147,126)
Mortgage banking activities	7,273	3,788
Not Designated as Hedging Instrument, Economic Hedge [Member]
Economic undesignated hedges:
Total gain (loss) on derivatives	133	(756)
Not Designated as Hedging Instrument, Economic Hedge [Member] | Sale of TBA GNMA MBS pools [Member] | Mortgage Banking [Member]
Economic undesignated hedges:
Total gain (loss) on derivatives	352	(665)
Not Designated as Hedging Instrument, Economic Hedge [Member] | Interest Rate Lock Commitments [Member] | Mortgage Banking [Member]
Economic undesignated hedges:
Total gain (loss) on derivatives	(244)	(91)
Not Designated as Hedging Instrument, Economic Hedge [Member] | Interest Rate Swap [Member] | Interest Income [Member]
Economic undesignated hedges:
Total gain (loss) on derivatives	$ 25	$ 0

OFFESTTING OF ASSETS AND LIABIL

OFFESTTING OF ASSETS AND LIABILITIES - Offsetting of financial assets and liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Offsetting [Abstract]
Gross amount recognized of derivative asset	$ 210	$ 89
Gross amount of derivatives assets offset	0	0
Net asset amount of assets presented in the Statement of Financial Condition	210	89
Obligation to return Financial instrument, derivatives assets	0	0
Obligation to return Cash Collateral, derivative assets	(210)	(89)
Net derivative asset amount not offset	0	0
Gross amount recognized of derivative liabilities	1,350	1,919
Gross amount of derivative liabilities offset	0	0
Net derivative liability amount offset presented	1,350	1,919
Right to claim Financial instrument, derivatives liabilities	(1,350)	(1,919)
Right to claim Cash Collateral, derivatives liabilities	0	0
Net derivatives liability amount not offset	0	0
Gross amount recognized of repurchase agreements	300,000	300,000
Gross amount of repurchase agreements offset	0	0
Net repurchase agreements amount offset presented	300,000	300,000
Right to claim Financial instrument, repurchase agreements	(300,000)	(300,000)
Right to claim Cash Collateral, repurchase agreements	0	0
Net repurchase agreements amount not offset	0	0
Securities Purchased Under Agreements To Resell Gross	0	0
Securities Purchased Under Agreements To Resell Liability	0	0
Securities Purchased Under Agreements To Resell Not Offset	0	0
Securities Purchased Under Agreements To Resell Collateral Obligation To Return Securities	0	0
Securities Purchased Under Agreements To Resell Collateral Obligation To Return Cash	0	0
Securities Purchased Under Agreements To Resell Amount Offset Against Collateral	0	0
Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Gross	210	89
Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Liability	0	0
Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Liability Not Offset	210	89
Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Collateral Obligation To Return Securities	0	0
Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Collateral Obligation To Return Cash	(210)	(89)
Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Amount Offset Against Collateral	0	0
Derivative Fair Value Of Derivative Liability	1,350	1,919
Derivative Liability Fair Value Gross Asset	0	0
Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral	1,350	1,919
Derivative Collateral Right To Reclaim Securities	1,350	1,919
Derivative Collateral Right To Reclaim Cash	0	0
Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral	0	0
Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Gross	301,350	301,919
Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Asset	0	0
Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned	301,350	301,919
Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Securities	301,350	301,919
Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Cash	0	0
Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Amount Offset Against Collateral	$ 0	$ 0

GOODWILL AND OTHER INTANGIBLE_2

GOODWILL AND OTHER INTANGIBLES - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Finite Lived Intangible Assets [Line Items]
Goodwill	$ 38,611		$ 38,632	$ 28,098
Amortization	2,954	$ 713
Intangibles	38,387		40,893
United States Operations Segment [Member]
Finite Lived Intangible Assets [Line Items]
Goodwill	28,098		28,098	$ 28,098
Core Deposits [Member]
Finite Lived Intangible Assets [Line Items]
Amortization	2,000	200
Intangibles	34,339		35,842
Customer Relationships [Member] | Credit Card [Member]
Finite Lived Intangible Assets [Line Items]
Amortization	1,000	500
Intangibles	3,768		4,733
Customer Relationships [Member] | Insurance Customer Intangible [Member]
Finite Lived Intangible Assets [Line Items]
Amortization	38	$ 38
Intangibles	280		$ 318
Santander [Member]
Finite Lived Intangible Assets [Line Items]
Goodwill	$ 10,500

GOODWILL AND OTHER INTANGIBLE_3

GOODWILL AND OTHER INTANGIBLES - Goowill by Segment (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Goodwill [Line Items]
Beginning balance	$ 38,632	$ 28,098
Merger and acquisitions		6,303
Adjustments	(21)	4,231
Ending balance	38,611	38,632
Mortgage Banking [Member]
Goodwill [Line Items]
Beginning balance	959	0
Merger and acquisitions		574
Adjustments	53	385
Ending balance	1,012	959
Consumer Retail Banking Segment [Member]
Goodwill [Line Items]
Beginning balance	1,327	0
Merger and acquisitions		794
Adjustments	74	533
Ending balance	1,401	1,327
Commercial And Corporate Segment [Member]
Goodwill [Line Items]
Beginning balance	8,248	0
Merger and acquisitions		4,935
Adjustments	(148)	3,313
Ending balance	8,100	8,248
United States Operations Segment [Member]
Goodwill [Line Items]
Beginning balance	28,098	28,098
Merger and acquisitions		0
Adjustments	0	0
Ending balance	$ 28,098	$ 28,098

GOODWILL AND OTHER INTANGIBLE_4

GOODWILL AND OTHER INTANGIBLES - Gross Amount and Accumulated Amortization of Other Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Finite Lived Intangible Assets [Line Items]
Net carrying amount	$ 38,387	$ 40,893
Core Deposits [Member]
Finite Lived Intangible Assets [Line Items]
Gross amount	87,544	87,096
Accumulated amortization	(53,205)	(51,254)
Net carrying amount	$ 34,339	$ 35,842
Remaining amortization period	8 years 8 months 12 days	9 years
Customer Relationships [Member] | Credit Card [Member]
Finite Lived Intangible Assets [Line Items]
Gross amount	$ 28,265	$ 28,265
Accumulated amortization	(24,497)	(23,532)
Net carrying amount	$ 3,768	$ 4,733
Remaining amortization period	2 years 4 months 24 days	2 years 8 months 12 days
Customer Relationships [Member] | Insurance Customer Intangible [Member]
Finite Lived Intangible Assets [Line Items]
Gross amount	$ 1,067	$ 1,067
Accumulated amortization	(787)	(749)
Net carrying amount	$ 280	$ 318
Remaining amortization period	1 year 9 months 18 days	2 years 1 month 6 days

GOODWILL AND OTHER INTANGIBLE_5

GOODWILL AND OTHER INTANGIBLES - Yearly Amortization Expense (Detail) $ in Thousands	Mar. 31, 2021USD ($)
Goodwill And Intangible Assets Disclosure [Abstract]
2020	$ 8,452
2021	8,816
2022	7,736
2023	6,416
2024	3,509
2025 and after	$ 3,458

NON-CONSOLIDATED VARIABLE INT_3

NON-CONSOLIDATED VARIABLE INTEREST ENTITIES AND SERVICING ASSETS - Changes in Servicing Assets (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Transfers and Servicing [Abstract]
Balance at beginning of period	$ 33,071	$ 26,762
Capitalization of servicing assets	1,350	904
Amortization	(1,637)	(1,009)
Temporary impairment (charges) recoveries, net	7	(138)
Other	(81)	(35)
Balance at end of period	$ 32,710	$ 26,484

NON-CONSOLIDATED VARIABLE INT_4

NON-CONSOLIDATED VARIABLE INTEREST ENTITIES AND SERVICING ASSETS - Changes in Impairment Allowance (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Transfers and Servicing [Abstract]
Balance at beginning of period	$ 202	$ 73
Temporary impairment charges	0	138
OTTI of servicing assets	0	(77)
Recoveries	(7)	0
Balance at end of period	$ 195	$ 134

NON-CONSOLIDATED VARIABLE INT_5

NON-CONSOLIDATED VARIABLE INTEREST ENTITIES AND SERVICING ASSETS - Components of Net Servicing Income (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Transfers and Servicing [Abstract]
Servicing fees	$ 2,915	$ 2,134
Late charges and prepayment penalties	239	150
Other	(81)	(35)
Servicing income, gross	3,073	2,249
Amortization and impairment of servicing assets	(1,630)	(1,147)
Servicing income, net	$ 1,443	$ 1,102

NON-CONSOLIDATED VARIABLE INT_6

NON-CONSOLIDATED VARIABLE INTEREST ENTITIES AND SERVICING ASSETS - Key Economic Assumptions Used in Determining Fair Value at Time of Sale of Loans (Detail)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Conventional Loan [Member]
Assumption For Fair Value On Securitization Date Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities [Line Items]
Constant prepayment rate	6.80%	6.90%
Discount rate	10.00%	10.00%
Conventional Non Conforming Mortgage Loans [Member]
Assumption For Fair Value On Securitization Date Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities [Line Items]
Constant prepayment rate	8.60%	8.70%
Discount rate	13.70%	14.30%
Government guaranteed mortgage loans [Member]
Assumption For Fair Value On Securitization Date Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities [Line Items]
Constant prepayment rate	6.30%	6.20%
Discount rate	12.00%	12.00%

NON-CONSOLIDATED VARIABLE INT_7

NON-CONSOLIDATED VARIABLE INTEREST ENTITIES AND SERVICING ASSETS - Weighted-Averages of Key Economic Assumptions in Valuation Model (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Transfers and Servicing [Abstract]
Carrying amount of servicing assets	$ 32,710	$ 33,071	$ 26,484	$ 26,762
Fair value	$ 40,695	$ 40,294
Weighted-average expected life	8 years	7 years 10 months 9 days
Constant prepayment rate	6.56%	6.73%
Decrease in fair value due to 10% adverse change, constant prepayment rate	$ 988	$ 1,006
Decrease in fair value due to 20% adverse change, constant prepayment rate	$ 1,935	$ 1,970
Discount rate	11.19%	11.20%
Decrease in fair value due to 10% adverse change, discount rate	$ 1,804	$ 1,772
Decrease in fair value due to 20% adverse change, discount rate	$ 3,469	$ 3,409

NON-CONSOLIDATED VARIABLE INT_8

NON-CONSOLIDATED VARIABLE INTEREST ENTITIES AND SERVICING ASSETS - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended
	Feb. 16, 2011	Apr. 30, 2004	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Servicing Liabilities At Fair Value [Line Items]
Carrying amount of servicing assets			$ 32,710	$ 33,071	$ 26,484	$ 26,762
Servicing Asset at Fair Value, Amount			40,695	40,294
Allowance for Credit Losses			$ 1,183	$ 1,310	368	0
Weighted-average yield			1.16%	1.28%
Loans and Leases Receivable, Gross			$ 11,600
Percentage Of Variation In Assumptions			10.00%
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Qualitative Information			These sensitivities are hypothetical and should be used with caution. As the figures indicate, changes in fair value based on a 10% variation in assumptions generally cannot be extrapolated because the relationship between the change in assumption and the change in fair value may not be linear. Also, in this table, the effect of a variation in a particular assumption on the fair value of the MSR is calculated without changing any other assumption; in reality, changes in one factor may result in changes in another (for example, increases in market interest rates may result in lower prepayments), which may magnify or counteract the sensitivities.
Cpg Gs [Member] | Commercial Portfolio Segment [Member]
Servicing Liabilities At Fair Value [Line Items]
Loans sold to CPG	$ 269,300
Loans and Leases Receivable, Gross	136,100
Cpg Gs [Member] | Commercial Portfolio Segment [Member] | Nonperforming Financing Receivable [Member]
Servicing Liabilities At Fair Value [Line Items]
Cash realized on sale of loan	$ 88,500
Acquired Equity interest on disposal of loans held for sale	35.00%
Cpg Gs [Member] | Prlp [Member]
Servicing Liabilities At Fair Value [Line Items]
Payment to be made on pro rata basis			35.00%
Cpg Gs [Member] | FirstBank [Member]
Servicing Liabilities At Fair Value [Line Items]
Payment to be made on pro rata basis			65.00%
Maximum [Member]
Servicing Liabilities At Fair Value [Line Items]
Percentage Of Variation In Assumptions			20.00%
Minimum [Member]
Servicing Liabilities At Fair Value [Line Items]
Percentage Of Variation In Assumptions			10.00%
Minimum [Member] | Cpg Gs [Member] | Prlp [Member]
Servicing Liabilities At Fair Value [Line Items]
Percentage Of Priority Interest To Be Received On Invested Capital			12.00%
Variable Rate Demand Obligation [Member] | Junior Subordinated Deferrable Debentures [Member]
Servicing Liabilities At Fair Value [Line Items]
Debt Instrument, Maturity Date, Description			The Junior Subordinated Deferrable Debentures issued by the Corporation in April 2004 and September 2004 mature on June 17, 2034 and September 20, 2034, respectively; however, under certain circumstances, the maturity of Junior Subordinated Deferrable Debentures may be shortened (such shortening would result in a mandatory redemption of the variable-rate TRuPs).
MBS [Member]
Servicing Liabilities At Fair Value [Line Items]
Allowance for Credit Losses			$ 875	$ 1,002
Weighted-average yield			1.32%	1.47%
MBS [Member] | Private label [Member]
Servicing Liabilities At Fair Value [Line Items]
Carrying amount of servicing assets			$ 11,700
Servicing Asset at Fair Value, Amount			8,300
Allowance for Credit Losses			$ 875	$ 1,002	$ 368	$ 0
Weighted-average yield			2.20%
MBS [Member] | Private label [Member] | LIBOR [Member]
Servicing Liabilities At Fair Value [Line Items]
Debt Instrument Description Of Variable Rate Basis			90-day LIBOR
Statutory Trust One [Member] | Variable Rate Demand Obligation [Member]
Servicing Liabilities At Fair Value [Line Items]
Proceeds from Issuance of Trust Preferred Securities		$ 100,000
Proceeds of the issuance, together with proceeds of the purchase		3,100
Principal amount of corporation's junior subordinated deferrable debentures		103,100
Statutory Trust Two [Member] | Variable Rate Demand Obligation [Member]
Servicing Liabilities At Fair Value [Line Items]
Proceeds from Issuance of Trust Preferred Securities		125,000
Proceeds of the issuance, together with proceeds of the purchase		3,900
Principal amount of corporation's junior subordinated deferrable debentures		$ 128,900
GNMA [Member]
Servicing Liabilities At Fair Value [Line Items]
Principal amount of corporation serviced loans securitized through GNMA			$ 2,100,000

LOANS PAYABLE - Federal Reserve

LOANS PAYABLE - Federal Reserve Advances (Detail) $ in Billions	Mar. 31, 2021USD ($)
Short Term Debt [Line Items]
Federal Reserve Bank Amount Of Available Unused Funds	$ 1
Federal Reserve Bank Advances [Member]
Short Term Debt [Line Items]
Loans Pledged as Collateral	$ 1.7

DEPOSITS - Summary of Deposit B

DEPOSITS - Summary of Deposit Balances (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Deposits [Abstract]
Non-interest bearing checking accounts	$ 5,026,468	$ 4,546,123
Savings accounts	4,217,030	4,088,969
Interest-bearing checking accounts	3,912,647	3,651,806
Certificates of deposit	2,692,176	2,814,313
Brokered certificates of deposit	162,115	216,172
Total deposits	$ 16,010,436	$ 15,317,383

DEPOSITS - Brokered Certificate

DEPOSITS - Brokered Certificates Of Deposit Mature (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Deposits [Abstract]
Brokered Certificates Of Deposit Mature In One To Ninety Days	$ 24,511
Brokered Certificates Of Deposit Mature In Over Three Months To Six Months	29,121
Brokered Certificates Of Deposit Mature In Over Six Months To One Year	22,831
Brokered Certificates Of Deposit Mature In One To Three Years	64,967
Brokered Certificates Of Deposit Mature In Three To Five Years	20,685
Brokered Certificates Of Deposit Mature In Over Five Years	0
Total	$ 162,115	$ 216,172

DEPOSITS - Components of Intere

DEPOSITS - Components of Interest Expense on Deposits (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Deposits [Abstract]
Interest expense on deposits	$ 12,725	$ 19,497
Accretion Of Premium From Acquisitions	(456)	(1)
Amortization of broker placement fees	73	158
Interest expense on deposits	$ 12,342	$ 19,654

SECURITIES SOLD UNDER AGREEME_3

SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE - Securities Sold Under Agreements to Repurchase (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Assets Sold under Agreements to Repurchase [Line Items]
Repurchase agreements	$ 300,000	$ 300,000
long term debt [member]
Assets Sold under Agreements to Repurchase [Line Items]
Repurchase agreements	$ 300,000	$ 300,000

SECURITIES SOLD UNDER AGREEME_4

SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE - Securities Sold Under Agreements to Repurchase (Parenthetical) (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Assets Sold under Agreements to Repurchase [Line Items]
Reverse repurchase agreements	$ 0	$ 0
Assets Sold Under Agreements To Repurchase Fixed Rate	3.90%
long term debt [member]
Assets Sold under Agreements to Repurchase [Line Items]
Reverse repurchase agreements	$ 200,000
long term debt [member] | Weighted Average [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets sold under agreements to repurchase interest rate	3.35%	1.77%

SECURITIES SOLD UNDER AGREEME_5

SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE - Schedule of Repurchase Agreement Maturity (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold Under Agreements To Repurchase	$ 300,000	$ 300,000
Over three years to five years
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold Under Agreements To Repurchase	200,000
Over six months to one year
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold Under Agreements To Repurchase	$ 100,000

SECURITIES SOLD UNDER AGREEME_6

SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE - Repurchase Agreements Grouped by Counterparty (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Repurchase Agreement Counterparty [Line Items]
Securities Sold Under Agreements To Repurchase	$ 300,000	$ 300,000
JP Morgan Chase [Member]
Repurchase Agreement Counterparty [Line Items]
Securities Sold Under Agreements To Repurchase	$ 100,000
Weighted-Average Maturity	10 months
CREDIT SUISSE (US) [Member]
Repurchase Agreement Counterparty [Line Items]
Securities Sold Under Agreements To Repurchase	$ 200,000
Weighted-Average Maturity	46 months

ADVANCES FROM THE FEDERAL HOM_3

ADVANCES FROM THE FEDERAL HOME LOAN BANK (FHLB) - Summary of Advances from FHLB (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
FederalHomeLoanBankAdvancesLineItems
Advances From Federal Home Loan Banks	$ 440,000	$ 440,000
long term debt [member]
FederalHomeLoanBankAdvancesLineItems
Advances From Federal Home Loan Banks	$ 440,000	$ 440,000
Federal Home Loan Bank, Advance, Branch of FHLB Bank, Interest Rate, Type [Fixed List]	Fixed	Fixed

ADVANCES FROM THE FEDERAL HOM_4

ADVANCES FROM THE FEDERAL HOME LOAN BANK (FHLB) - Summary of Advances from FHLB (Parenthetical) (Detail) - long term debt [member]	Mar. 31, 2021	Dec. 31, 2020
Federal Home Loan Bank Advances Branch Of F H L B Bank [Line Items]
Weighted average interest rate	2.26%	2.26%
Interest rate type	Fixed	Fixed

ADVANCES FROM THE FEDERAL HOM_5

ADVANCES FROM THE FEDERAL HOME LOAN BANK (FHLB) - Advances from FHLB Mature (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Advances from Federal Home Loan Banks [Abstract]
Federal Home Loan Bank Advances Maturities Due Within One Month	$ 70,000
Federal Hom eLoan Bank Advances Maturities Due One Month To Three Months	50,000
Federal Home Loan Bank Advances Maturities Due Six Months To One Year	120,000
Federal Home Loan Bank Advances Maturities Due One To Three Years	200,000
Total Federal Home Loan Bank Advances	$ 440,000	$ 440,000

OTHER BORROWINGS - Components o

OTHER BORROWINGS - Components of Other Borrowings (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Subordinated Borrowing [Line Items]
Junior subordinated debentures	$ 183,762	$ 183,762
Junior Subordinated Debt [Member]
Subordinated Borrowing [Line Items]
Junior subordinated debentures	183,762	183,762
Junior Subordinated Debt [Member] | due June 17, 2034 [Member] | Statutory Trust One [Member]
Subordinated Borrowing [Line Items]
Junior subordinated debentures	65,205	65,205
Junior Subordinated Debt [Member] | due September 20, 2034 [Member] | Statutory Trust Two [Member]
Subordinated Borrowing [Line Items]
Junior subordinated debentures	$ 118,557	$ 118,557

OTHER BORROWINGS - Components_2

OTHER BORROWINGS - Components of Other Borrowings (Parenthetical) (Detail) - Junior Subordinated Debt [Member] - London Interbank Offered Rate (LIBOR) [Member]	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
due June 17, 2034 [Member] | Statutory Trust One [Member]
Subordinated Borrowing [Line Items]
Floating Interest rate on junior subordinated debentures	2.93%	2.98%
Callable step-rate notes rate	2.75%
Debt Instrument Description Of Variable Rate Basis	3-month LIBOR
Subordinated Borrowing Due Date	Jun. 17, 2034
due September 20, 2034 [Member] | Statutory Trust Two [Member]
Subordinated Borrowing [Line Items]
Floating Interest rate on junior subordinated debentures	2.69%	2.74%
Callable step-rate notes rate	2.50%
Debt Instrument Description Of Variable Rate Basis	3-month LIBOR
Subordinated Borrowing Due Date	Sep. 20, 2034

STOCKHOLDERS' EQUITY - Addition

STOCKHOLDERS' EQUITY - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Apr. 26, 2021	Dec. 31, 2020
Class Of Stock [Line Items]
Common stock, shares authorized	2,000,000,000			2,000,000,000
Common stock, par value	$ 0.1			$ 0.1
Common stock, shares issued	223,630,957			223,034,348
Common stock, shares outstanding	218,628,862			218,235,064
Common Stock, Dividends, Per Share, Declared	$ 0.07	$ 0.05
Preferred Stock, Shares Authorized	50,000,000			50,000,000
Preferred stock, par value	$ 1
Liquidation value per share	$ 25
Stock Repurchase Program, Authorized Amount			$ 300,000,000
Preferred Stock Subject To Redemption Amount Under Stock Repurchase Program			$ 36,100,000
Shares of common stock repurchased	194,471	50,285
Stock repurchase plan treasury stock	5,002,095			4,799,284
Legal surplus reserve rate	10.00%
Puerto Rico Banking Law Description	The Puerto Rico Banking Law provides that, when the expenditures of a Puerto Rico commercial bank are greater than receipts, the excess of the expenditures over receipts must be charged against the undistributed profits of the bank, and the balance, if any, must be charged against the legal surplus reserve, as a reduction thereof. If the legal surplus reserve is not sufficient to cover such balance in whole or in part, the outstanding amount must be charged against the capital account and the Bank cannot pay dividends until it can replenish the legal surplus reserve to an amount of at least 20% of the original capital contributed.
Legal Surplus Amount Additions	$ 0
Legal surplus reserve amount	$ 109,338,000			$ 109,338,000
Series A Preferred Stock [Member]
Class Of Stock [Line Items]
Preferred stock dividend rate percentage	7.125%
Series B Preferred Stock [Member]
Class Of Stock [Line Items]
Preferred stock dividend rate percentage	8.35%
Series C Preferred Stock [Member]
Class Of Stock [Line Items]
Preferred stock dividend rate percentage	7.40%
Series D Preferred Stock [Member]
Class Of Stock [Line Items]
Preferred stock dividend rate percentage	7.25%
Series E Preferred Stock [Member]
Class Of Stock [Line Items]
Preferred stock dividend rate percentage	7.00%
Common Stock [Member]
Class Of Stock [Line Items]
Dividneds declared	$ 15,300,000	$ 10,900,000
Increase in dividends per share declared	$ 0.02
Preferred Stock [Member]
Class Of Stock [Line Items]
Dividneds declared	$ 700,000

INCOME TAXES - Additional Infor

INCOME TAXES - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Income Tax Contingency [Line Items]
Effective tax rate maximum statutory rate	37.50%
Minimum percentage of bank net taxable income for paying Income tax at normal rate	20.00%
Income Tax Expense (Benefit)	$ 28,022	$ (2,967)
Estimated annual effective tax rate, excluding entities from which a tax benefit cannot be recognized and discrete items	31.00%	24.00%
Estimated annual effective tax rate, including all entities	31.00%	26.00%
Effective Income Tax Rate Excluding Discrete Items	31.00%	25.00%
Deferred Tax Assets Net	$ 306,400
Valuation allowance	112,700
BSPR
Income Tax Contingency [Line Items]
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	100
Unrecognized Tax Benefits	1,000
United States [Member]
Income Tax Contingency [Line Items]
Income Tax Expense (Benefit)	1,100	$ 1,000
FirstBank [Member]
Income Tax Contingency [Line Items]
Deferred Tax Assets Net	306,200		$ 329,100
Valuation allowance	$ 70,700		$ 59,900
Domestic Tax Authority [Member] | Other taxable domestic corporations [Member]
Income Tax Contingency [Line Items]
Dividend received deduction	85.00%
Domestic Tax Authority [Member] | Subsidiaries [Member]
Income Tax Contingency [Line Items]
Dividend received deduction	100.00%

OTHER COMPREHENSIVE (LOSS) IN_3

OTHER COMPREHENSIVE (LOSS) INCOME - Change in Accumulated Other Comprehensive Loss by Component (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ 55,455
Ending balance	(43,474)
Pension And Postretirement Benefit Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(270)	$ 0
Other comprehensive (loss) income	0	0
Ending balance	(270)	0
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] | Debt Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	55,725	6,764
Other comprehensive (loss) income	(98,929)	42,352
Ending balance	$ (43,204)	$ 49,116

OTHER COMPREHENSIVE (LOSS) IN_4

OTHER COMPREHENSIVE (LOSS) INCOME - Reclassification Out of Accumulated Other Comprehensive Income (Loss) (Detail) - Reclassification Out Of Accumulated Other Comprehensive Income [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from AOCI, Current Period, before Tax, Attributable to Parent	$ (127)	$ (7,879)
Reclassification from AOCI, Current Period, Tax	0	0
Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent	(127)	(7,879)
Realized gain on sale of debt securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from AOCI, Current Period, before Tax, Attributable to Parent	0	(8,247)
Provision for credit losses (benefit) expense
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from AOCI, Current Period, before Tax, Attributable to Parent	$ (127)	$ 368

EMPLOYEE BENEFIT PLANS - Summar

EMPLOYEE BENEFIT PLANS - Summary of Financial Data Relative to the Pension Plans and the Postretirement Benefit Plan (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2021USD ($)
Pension Plan [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Interest cost	$ 618
Estimated return on plan asset	(1,131)
Net periodic benefit (income)	(513)
Postretirement Benefit Plan [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Interest cost	2
Estimated return on plan asset	0
Net periodic benefit (income)	$ 2

FAIR VALUE - Assets and Liabili

FAIR VALUE - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Assets:
Investment securities available for sale	$ 5,406,790	$ 4,647,019
Fair Value, Measurements, Recurring [Member]
Assets:
Equity Securities	5,445	1,474
Fair Value, Measurements, Recurring [Member] | Interest Rate Swap [Member]
Assets:
Asset Derivative	1,314	1,622
Derivatives, included in liabilities:
Liability Derivatives	1,306	1,639
Fair Value, Measurements, Recurring [Member] | Other Available For Sale Securities [Member]
Assets:
Investment securities available for sale	650	650
Fair Value, Measurements, Recurring [Member] | U S Treasury Securities [Member]
Assets:
Investment securities available for sale	7,466	7,507
Fair Value, Measurements, Recurring [Member] | US Government Agencies Debt Securities [Member] | Noncallable
Assets:
Investment securities available for sale	189,466	173,371
Fair Value, Measurements, Recurring [Member] | US Government Agencies Debt Securities [Member] | Callable
Assets:
Investment securities available for sale	5,198,082	4,454,164
Fair Value, Measurements, Recurring [Member] | Puerto Rico Government obligations [Member]
Assets:
Investment securities available for sale	2,829	2,899
Fair Value, Measurements, Recurring [Member] | Private label [Member]
Assets:
Investment securities available for sale	8,297	8,428
Fair Value, Measurements, Recurring [Member] | Interest Rate Cap [Member] | Purchase
Assets:
Asset Derivative	6	1
Fair Value, Measurements, Recurring [Member] | Interest Rate Cap [Member] | Written
Derivatives, included in liabilities:
Liability Derivatives	6	1
Fair Value, Measurements, Recurring [Member] | Interest Rate Lock Commitments [Member]
Assets:
Asset Derivative	725	737
Fair Value, Measurements, Recurring [Member] | Forward loan sales commitments [Member]
Assets:
Asset Derivative	20	20
Fair Value, Measurements, Recurring [Member] | Forward Contracts [Member]
Assets:
Asset Derivative	204	102
Derivatives, included in liabilities:
Liability Derivatives	44	280
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member]
Assets:
Equity Securities	5,445	1,474
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member] | Interest Rate Swap [Member]
Assets:
Asset Derivative	0	0
Derivatives, included in liabilities:
Liability Derivatives	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member] | Other Available For Sale Securities [Member]
Assets:
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member] | U S Treasury Securities [Member]
Assets:
Investment securities available for sale	7,466	7,507
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member] | US Government Agencies Debt Securities [Member] | Noncallable
Assets:
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member] | US Government Agencies Debt Securities [Member] | Callable
Assets:
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member] | Puerto Rico Government obligations [Member]
Assets:
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member] | Private label [Member]
Assets:
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member] | Interest Rate Cap [Member] | Purchase
Assets:
Asset Derivative	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member] | Interest Rate Cap [Member] | Written
Derivatives, included in liabilities:
Liability Derivatives	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member] | Interest Rate Lock Commitments [Member]
Assets:
Asset Derivative	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member] | Forward loan sales commitments [Member]
Assets:
Asset Derivative	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member] | Forward Contracts [Member]
Assets:
Asset Derivative	0	0
Derivatives, included in liabilities:
Liability Derivatives	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member]
Assets:
Equity Securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member] | Interest Rate Swap [Member]
Assets:
Asset Derivative	1,314	1,622
Derivatives, included in liabilities:
Liability Derivatives	1,306	1,639
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member] | Other Available For Sale Securities [Member]
Assets:
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member] | U S Treasury Securities [Member]
Assets:
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member] | US Government Agencies Debt Securities [Member] | Noncallable
Assets:
Investment securities available for sale	189,466	173,371
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member] | US Government Agencies Debt Securities [Member] | Callable
Assets:
Investment securities available for sale	5,198,082	4,454,164
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member] | Puerto Rico Government obligations [Member]
Assets:
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member] | Private label [Member]
Assets:
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member] | Interest Rate Cap [Member] | Purchase
Assets:
Asset Derivative	6	1
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member] | Interest Rate Cap [Member] | Written
Derivatives, included in liabilities:
Liability Derivatives	6	1
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member] | Interest Rate Lock Commitments [Member]
Assets:
Asset Derivative	725	737
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member] | Forward loan sales commitments [Member]
Assets:
Asset Derivative	20	20
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member] | Forward Contracts [Member]
Assets:
Asset Derivative	204	102
Derivatives, included in liabilities:
Liability Derivatives	44	280
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member]
Assets:
Equity Securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Interest Rate Swap [Member]
Assets:
Asset Derivative	0	0
Derivatives, included in liabilities:
Liability Derivatives	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Other Available For Sale Securities [Member]
Assets:
Investment securities available for sale	650	650
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | U S Treasury Securities [Member]
Assets:
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | US Government Agencies Debt Securities [Member] | Noncallable
Assets:
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | US Government Agencies Debt Securities [Member] | Callable
Assets:
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Puerto Rico Government obligations [Member]
Assets:
Investment securities available for sale	2,829	2,899
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Private label [Member]
Assets:
Investment securities available for sale	8,297	8,428
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Interest Rate Cap [Member] | Purchase
Assets:
Asset Derivative	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Interest Rate Cap [Member] | Written
Derivatives, included in liabilities:
Liability Derivatives	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Interest Rate Lock Commitments [Member]
Assets:
Asset Derivative	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Forward loan sales commitments [Member]
Assets:
Asset Derivative	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Forward Contracts [Member]
Assets:
Asset Derivative	0	0
Derivatives, included in liabilities:
Liability Derivatives	$ 0	$ 0

FAIR VALUE - Reconciliation of

FAIR VALUE - Reconciliation of Fair Value of Assets and Liabilities Measured on Recurring Basis Level 3 (Detail) - Fair Value Inputs Level 3 [Member] - Available for Sale Securities [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 11,977	$ 14,590
Total gains or (losses) (realized/unrealized):
Included in other comprehensive income	321	240
Included in earnings	127	(368)
Principal repayments and amortization	(649)	(693)
Ending balance	$ 11,776	$ 13,769

FAIR VLUE - Assets and Liabilit

FAIR VLUE - Assets and Liabilites Measured at Fair Value on Recurring Basis Using Unobservable Inputs (Level 3) (Detail) $ in Thousands	Mar. 31, 2021USD ($)	Dec. 31, 2020USD ($)
Debt Securities, Available-for-sale, Sale [Abstract]
Debt Securities, Available-for-sale	$ 5,406,790	$ 4,647,019
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Private label [Member] | Discounted Cash Flow [Member]
Debt Securities, Available-for-sale, Sale [Abstract]
Debt Securities, Available-for-sale	8,297	8,428
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Puerto Rico Government obligations [Member] | Discounted Cash Flow [Member]
Debt Securities, Available-for-sale, Sale [Abstract]
Debt Securities, Available-for-sale	$ 2,829	$ 2,899
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Minimum [Member] | Private label [Member] | Discount rate [Member]
Debt Securities, Available-for-sale, Sale [Abstract]
Debt Securities, Available-for-sale, Measurement Input	0.129	0.122
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Minimum [Member] | Private label [Member] | Prepayment rate [Member]
Debt Securities, Available-for-sale, Sale [Abstract]
Debt Securities, Available-for-sale, Measurement Input	0.007	0.012
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Minimum [Member] | Private label [Member] | Projected Cumulative Loss Rate [Member]
Debt Securities, Available-for-sale, Sale [Abstract]
Debt Securities, Available-for-sale, Measurement Input	0.001	0.026
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Minimum [Member] | Puerto Rico Government obligations [Member] | Discount rate [Member]
Debt Securities, Available-for-sale, Sale [Abstract]
Debt Securities, Available-for-sale, Measurement Input	0.0732	0.079
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Minimum [Member] | Puerto Rico Government obligations [Member] | Prepayment rate [Member]
Debt Securities, Available-for-sale, Sale [Abstract]
Debt Securities, Available-for-sale, Measurement Input	0.101	0.124
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Maximum [Member] | Private label [Member] | Discount rate [Member]
Debt Securities, Available-for-sale, Sale [Abstract]
Debt Securities, Available-for-sale, Measurement Input	0.129	0.122
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Maximum [Member] | Private label [Member] | Prepayment rate [Member]
Debt Securities, Available-for-sale, Sale [Abstract]
Debt Securities, Available-for-sale, Measurement Input	0.219	0.188
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Maximum [Member] | Private label [Member] | Projected Cumulative Loss Rate [Member]
Debt Securities, Available-for-sale, Sale [Abstract]
Debt Securities, Available-for-sale, Measurement Input	0.178	0.223
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Maximum [Member] | Puerto Rico Government obligations [Member] | Discount rate [Member]
Debt Securities, Available-for-sale, Sale [Abstract]
Debt Securities, Available-for-sale, Measurement Input	0.0732	0.079
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Maximum [Member] | Puerto Rico Government obligations [Member] | Prepayment rate [Member]
Debt Securities, Available-for-sale, Sale [Abstract]
Debt Securities, Available-for-sale, Measurement Input	0.101	0.124
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Weighted Average [Member] | Private label [Member] | Discount rate [Member]
Debt Securities, Available-for-sale, Sale [Abstract]
Debt Securities, Available-for-sale, Measurement Input	0.129	0.122
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Weighted Average [Member] | Private label [Member] | Prepayment rate [Member]
Debt Securities, Available-for-sale, Sale [Abstract]
Debt Securities, Available-for-sale, Measurement Input	0.136	0.121
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Weighted Average [Member] | Private label [Member] | Projected Cumulative Loss Rate [Member]
Debt Securities, Available-for-sale, Sale [Abstract]
Debt Securities, Available-for-sale, Measurement Input	0.077	0.102
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Weighted Average [Member] | Puerto Rico Government obligations [Member] | Discount rate [Member]
Debt Securities, Available-for-sale, Sale [Abstract]
Debt Securities, Available-for-sale, Measurement Input	0.0732	0.079
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Weighted Average [Member] | Puerto Rico Government obligations [Member] | Prepayment rate [Member]
Debt Securities, Available-for-sale, Sale [Abstract]
Debt Securities, Available-for-sale, Measurement Input	0.101	0.124

FAIR VALUE - Level 3 Changes in

FAIR VALUE - Level 3 Changes in Unrealized Gain Losses (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Available-for-sale Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Included in earnings	$ 127	$ (368)

FAIR VALUE - Impairment of Valu

FAIR VALUE - Impairment of Valuation Adjustments were Recorded for Assets Recognized at Fair Value (Detail) - Fair Value Measurements Nonrecurring [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Fair Value Inputs Level 1 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Loans receivable	$ 0	$ 0
Other Real Estate Owned	0	0
Loans held for sale	0
Fair Value Inputs Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Loans receivable	0	0
Other Real Estate Owned	0	0
Loans held for sale	0
Fair Value Inputs Level 3 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Loans receivable	237,025	291,856
Other Real Estate Owned	79,207	99,674
Loans held for sale	13,425
Fair Value Inputs Level 3 [Member] | OREO [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets Fair Value Adjustment	(2,364)	(654)
Fair Value Inputs Level 3 [Member] | Loans Held For Sale [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets Fair Value Adjustment	(360)
Fair Value Inputs Level 3 [Member] | Loans Receivable [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets Fair Value Adjustment	$ (1,203)	$ (6,393)

FAIR VALUE - Fair Value (Detail

FAIR VALUE - Fair Value (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Assets:
Investment securities available for sale	$ 5,406,790	$ 4,647,019
Allowance for Credit Losse, Held-to-maturity securities	(8,869)	(8,845)
Total investment securities held to maturity, at amortized cost, net of allowance	180,811	180,643
Total gross loans held for investment portfolio	11,600
Less: allowance for loan and lease losses	(358,936)	(385,887)	$ (292,774)	$ (155,139)
Loans held for investment, net	11,282,923	11,391,402
Liabilities:
Other borrowings	183,762	183,762
Carrying Reported Amount Fair Value Disclosure [Member]
Assets:
Cash and due from banks and money market investments	1,518,164	1,493,833
Investment securities available for sale	5,406,790	4,647,019
Held to maturity securities, at amortized cost, before allowance for credit losses	189,680	189,488
Allowance for Credit Losse, Held-to-maturity securities	(8,869)	(8,845)
Total investment securities held to maturity, at amortized cost, net of allowance	180,811	180,643
Equity Securities	41,558	37,588
Loans held for sale	56,070	50,289
Total gross loans held for investment portfolio	11,641,859	11,777,289
Less: allowance for loan and lease losses	(358,936)	(385,887)
Loans held for investment, net	11,282,923	11,391,402
Asset Derivative	2,269	2,842
Liabilities:
Deposits	16,010,436	15,317,383
Securities sold under agreements to repurchase	300,000	300,000
Advances from FHLB	440,000	440,000
Other borrowings	183,762	183,762
Liability Derivatives	1,356	1,920
Estimate Of Fair Value Fair Value Disclosure [Member]
Assets:
Cash and due from banks and money market investments	1,518,164	1,493,833
Investment securities available for sale	5,406,790	4,647,019
Total investment securities held to maturity, at amortized cost, net of allowance	178,314	173,806
Equity Securities	41,558	37,588
Loans held for sale	57,132	52,322
Loans held for investment, net	11,452,765	11,564,635
Asset Derivative	2,269	2,842
Liabilities:
Deposits	16,052,136	15,363,236
Securities sold under agreements to repurchase	324,288	329,493
Advances from FHLB	445,387	446,703
Other borrowings	145,581	151,645
Liability Derivatives	1,356	1,920
Estimate Of Fair Value Fair Value Disclosure [Member] | Fair Value Inputs Level 1 [Member]
Assets:
Cash and due from banks and money market investments	1,518,164	1,493,833
Investment securities available for sale	7,466	7,507
Total investment securities held to maturity, at amortized cost, net of allowance	0	0
Equity Securities	5,445	1,474
Loans held for sale	0	0
Loans held for investment, net	0	0
Asset Derivative	0	0
Liabilities:
Deposits	0	0
Securities sold under agreements to repurchase	0	0
Advances from FHLB	0	0
Other borrowings	0	0
Liability Derivatives	0	0
Estimate Of Fair Value Fair Value Disclosure [Member] | Fair Value Inputs Level 2 [Member]
Assets:
Cash and due from banks and money market investments	0	0
Investment securities available for sale	5,387,548	4,627,535
Total investment securities held to maturity, at amortized cost, net of allowance	0	0
Equity Securities	36,113	36,114
Loans held for sale	43,707	52,322
Loans held for investment, net	0	0
Asset Derivative	2,269	2,842
Liabilities:
Deposits	16,052,136	15,363,236
Securities sold under agreements to repurchase	324,288	329,493
Advances from FHLB	445,387	446,703
Other borrowings	0	0
Liability Derivatives	1,356	1,920
Estimate Of Fair Value Fair Value Disclosure [Member] | Fair Value Inputs Level 3 [Member]
Assets:
Cash and due from banks and money market investments	0	0
Investment securities available for sale	11,776	11,977
Total investment securities held to maturity, at amortized cost, net of allowance	178,314	173,806
Equity Securities	0	0
Loans held for sale	13,425	0
Loans held for investment, net	11,452,765	11,564,635
Asset Derivative	0	0
Liabilities:
Deposits	0	0
Securities sold under agreements to repurchase	0	0
Advances from FHLB	0	0
Other borrowings	145,581	151,645
Liability Derivatives	$ 0	$ 0

REVENUE FROM CONTRACT WITH CUST

REVENUE FROM CONTRACT WITH CUSTOMERS (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Net interest income	$ 176,265	$ 138,649
Non-interest income	30,956	30,200
Total Revenue	207,221	168,849
Service charges and fees on deposit accounts [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	8,304	5,957
Insurance commissions [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	5,241	4,582
Total Revenue	3,300	3,100
Merchant-related income [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	1,395	899
Credit and debit card fees [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	6,037	4,666
Other service charges and fees [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	2,156	1,668
Not inscope of Topic 606 [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	7,823	12,428
Mortgage Banking Segment [Member]
Disaggregation of Revenue [Line Items]
Net interest income	25,240	17,058
Non-interest income	7,116	3,640
Total Revenue	32,356	20,698
Mortgage Banking Segment [Member] | Service charges and fees on deposit accounts [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	0	0
Mortgage Banking Segment [Member] | Insurance commissions [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	0	0
Mortgage Banking Segment [Member] | Merchant-related income [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	0	0
Mortgage Banking Segment [Member] | Credit and debit card fees [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	0	0
Mortgage Banking Segment [Member] | Other service charges and fees [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	173	74
Mortgage Banking Segment [Member] | Not inscope of Topic 606 [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	6,943	3,566
Consumer Retail Banking Segment [Member]
Disaggregation of Revenue [Line Items]
Net interest income	58,483	57,744
Non-interest income	17,243	13,728
Total Revenue	75,726	71,472
Consumer Retail Banking Segment [Member] | Service charges and fees on deposit accounts [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	4,476	3,483
Consumer Retail Banking Segment [Member] | Insurance commissions [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	4,967	4,376
Consumer Retail Banking Segment [Member] | Merchant-related income [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	922	750
Consumer Retail Banking Segment [Member] | Credit and debit card fees [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	5,645	4,217
Consumer Retail Banking Segment [Member] | Other service charges and fees [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	865	617
Consumer Retail Banking Segment [Member] | Not inscope of Topic 606 [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	368	285
Commercial And Corporate Segment [Member]
Disaggregation of Revenue [Line Items]
Net interest income	48,981	23,581
Non-interest income	3,897	2,011
Total Revenue	52,878	25,592
Commercial And Corporate Segment [Member] | Service charges and fees on deposit accounts [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	2,971	1,564
Commercial And Corporate Segment [Member] | Insurance commissions [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	0	0
Commercial And Corporate Segment [Member] | Merchant-related income [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	256	0
Commercial And Corporate Segment [Member] | Credit and debit card fees [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	19	17
Commercial And Corporate Segment [Member] | Other service charges and fees [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	519	412
Commercial And Corporate Segment [Member] | Not inscope of Topic 606 [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	132	18
Treasury And Investments Segment [Member]
Disaggregation of Revenue [Line Items]
Net interest income	21,583	19,875
Non-interest income	56	8,328
Total Revenue	21,639	28,203
Treasury And Investments Segment [Member] | Service charges and fees on deposit accounts [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	0	0
Treasury And Investments Segment [Member] | Insurance commissions [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	0	0
Treasury And Investments Segment [Member] | Merchant-related income [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	0	0
Treasury And Investments Segment [Member] | Credit and debit card fees [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	0	0
Treasury And Investments Segment [Member] | Other service charges and fees [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	0	0
Treasury And Investments Segment [Member] | Not inscope of Topic 606 [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	56	8,328
United States Operations Segment [Member]
Disaggregation of Revenue [Line Items]
Net interest income	15,023	13,785
Non-interest income	975	831
Total Revenue	15,998	14,616
United States Operations Segment [Member] | Service charges and fees on deposit accounts [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	149	168
United States Operations Segment [Member] | Insurance commissions [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	29	4
United States Operations Segment [Member] | Merchant-related income [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	13	0
United States Operations Segment [Member] | Credit and debit card fees [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	3	10
United States Operations Segment [Member] | Other service charges and fees [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	458	418
United States Operations Segment [Member] | Not inscope of Topic 606 [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	323	231
Virgin Islands Operations Segment [Member]
Disaggregation of Revenue [Line Items]
Net interest income	6,955	6,606
Non-interest income	1,669	1,662
Total Revenue	8,624	8,268
Virgin Islands Operations Segment [Member] | Service charges and fees on deposit accounts [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	708	742
Virgin Islands Operations Segment [Member] | Insurance commissions [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	245	202
Virgin Islands Operations Segment [Member] | Merchant-related income [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	204	149
Virgin Islands Operations Segment [Member] | Credit and debit card fees [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	370	422
Virgin Islands Operations Segment [Member] | Other service charges and fees [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	141	147
Virgin Islands Operations Segment [Member] | Not inscope of Topic 606 [Member]
Disaggregation of Revenue [Line Items]
Non-interest income	$ 1	$ 0

REVENUE FROM CONTACTS WITH CUST

REVENUE FROM CONTACTS WITH CUSTOMERS - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Revenue from External Customer [Line Items]
Contract liability	$ 2,070	$ 2,395	$ 2,151	$ 2,476
Total Revenue	207,221	168,849
Decrease in Contract with Customer, Liability	(100)	(100)
Insurance commissions [Member]
Revenue from External Customer [Line Items]
Total Revenue	$ 3,300	$ 3,100

REVENUE FROM CONTRACT WITH CU_2

REVENUE FROM CONTRACT WITH CUSTOMERS - Activity of Contract Liability (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Contract with Customer, Liability [Abstract]
Beginning balance	$ 2,151	$ 2,476
Amortization	(81)	(81)
Ending balance	$ 2,070	$ 2,395

SUPPLEMENTAL CASH FLOW INFORM_3

SUPPLEMENTAL CASH FLOW INFORMATION - Supplemental Cash Flow Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash paid for:
Interest on borrowings	$ 18,934	$ 25,935
Income tax	4,484	1,070
Operating cash flow from operating leases	4,889	2,550
Non-cash investing and financing activities:
Additions to OREO	4,521	5,283
Additions to auto and other repossessed assets	11,456	12,785
Capitalization of servicing assets	1,350	904
Loan securitizations	56,135	60,903
Loans held for investment transferred to held for sale	28,283	3,535
ROU assets obtained in exchange for operating lease liabilities	0	274
Unsettled purchases of available-for-sale investment securities	10,071	0
Unsettled sales of available-for-sale investment securities	$ 0	$ 284,201

SEGMENT INFORMATION - Additiona

SEGMENT INFORMATION - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2021numberofreportableunits
Segment Reporting [Abstract]
Number of reportable segments	6

SEGMENT INFORMATION - Informati

SEGMENT INFORMATION - Information about reportable segments (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Segment Reporting Information [Line Items]
Interest Income	$ 194,642	$ 165,264
Interest expense	(18,377)	(26,615)
Net interest income	176,265	138,649
Provision for credit losses-(benefit) expense	(15,252)	77,366
Non-interest income	30,956	30,200
Commercial And Corporate Banking Segment [Member]
Segment Reporting Information [Line Items]
Net interest income	48,981	23,581
Non-interest income	3,897	2,011
Treasury And Investments Segment [Member]
Segment Reporting Information [Line Items]
Net interest income	21,583	19,875
Non-interest income	56	8,328
United States Operations Segment [Member]
Segment Reporting Information [Line Items]
Net interest income	15,023	13,785
Non-interest income	975	831
Virgin Islands Operations Segment [Member]
Segment Reporting Information [Line Items]
Net interest income	6,955	6,606
Non-interest income	1,669	1,662
Operating Segments [Member]
Segment Reporting Information [Line Items]
Interest Income	194,642	165,264
Net (charge) credit for transfer of funds	0	0
Interest expense	(18,377)	(26,615)
Net interest income	176,265	138,649
Provision for credit losses-(benefit) expense	(15,252)	77,366
Non-interest income	30,956	30,200
Direct non-interest expenses	77,559	62,211
Segment income (loss)	144,914	29,272
Average earnings assets	17,917,974	11,841,095
Operating Segments [Member] | Mortgage Banking Segment [Member]
Segment Reporting Information [Line Items]
Interest Income	37,060	28,800
Net (charge) credit for transfer of funds	(11,820)	(11,742)
Interest expense	0	0
Net interest income	25,240	17,058
Provision for credit losses-(benefit) expense	(786)	15,201
Non-interest income	7,116	3,640
Direct non-interest expenses	7,997	8,499
Segment income (loss)	25,145	(3,002)
Average earnings assets	2,658,887	2,012,906
Operating Segments [Member] | Consumer (Retail) Banking Segment [Member]
Segment Reporting Information [Line Items]
Interest Income	65,733	58,096
Net (charge) credit for transfer of funds	1,055	10,030
Interest expense	(8,305)	(10,382)
Net interest income	58,483	57,744
Provision for credit losses-(benefit) expense	3,962	32,153
Non-interest income	17,243	13,728
Direct non-interest expenses	41,091	29,476
Segment income (loss)	30,673	9,843
Average earnings assets	2,442,174	2,131,502
Operating Segments [Member] | Commercial And Corporate Banking Segment [Member]
Segment Reporting Information [Line Items]
Interest Income	51,458	32,636
Net (charge) credit for transfer of funds	(2,477)	(9,055)
Interest expense	0	0
Net interest income	48,981	23,581
Provision for credit losses-(benefit) expense	(17,179)	19,175
Non-interest income	3,897	2,011
Direct non-interest expenses	11,538	7,047
Segment income (loss)	58,519	(630)
Average earnings assets	4,029,377	2,420,069
Operating Segments [Member] | Treasury And Investments Segment [Member]
Segment Reporting Information [Line Items]
Interest Income	12,762	16,066
Net (charge) credit for transfer of funds	14,934	11,491
Interest expense	(6,113)	(7,682)
Net interest income	21,583	19,875
Provision for credit losses-(benefit) expense	(127)	1,502
Non-interest income	56	8,328
Direct non-interest expenses	1,234	763
Segment income (loss)	20,532	25,938
Average earnings assets	6,259,344	2,877,104
Operating Segments [Member] | United States Operations Segment [Member]
Segment Reporting Information [Line Items]
Interest Income	20,332	22,155
Net (charge) credit for transfer of funds	(1,692)	(724)
Interest expense	(3,617)	(7,646)
Net interest income	15,023	13,785
Provision for credit losses-(benefit) expense	(237)	6,564
Non-interest income	975	831
Direct non-interest expenses	8,294	8,991
Segment income (loss)	7,941	(939)
Average earnings assets	2,078,660	1,944,385
Operating Segments [Member] | Virgin Islands Operations Segment [Member]
Segment Reporting Information [Line Items]
Interest Income	7,297	7,511
Net (charge) credit for transfer of funds	0	0
Interest expense	(342)	(905)
Net interest income	6,955	6,606
Provision for credit losses-(benefit) expense	(885)	2,771
Non-interest income	1,669	1,662
Direct non-interest expenses	7,405	7,435
Segment income (loss)	2,104	(1,938)
Average earnings assets	$ 449,532	$ 455,129

SEGMENT INFORMATION - Reconcili

SEGMENT INFORMATION - Reconciliation of Reportable Segment Financial Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Net Income (Loss):
Income (loss) before income taxes	$ 89,172	$ (701)
Income tax	28,022	(2,967)
Net income	61,150	2,266
Segment Reconciling Items [Member]
Net Income (Loss):
Total income for segments and other	144,914	29,272
Other operating expenses	55,742	29,973
Income (loss) before income taxes	89,172	(701)
Income tax	28,022	(2,967)
Net income	61,150	2,266
Average assets:
Total average earning assets for segments	17,917,974	11,841,095
Average non-earning assets	1,168,336	912,334
Total consolidated average assets	$ 19,086,310	$ 12,753,429

REGULATORY MATTERS, COMMITMEN_3

REGULATORY MATTERS, COMMITMENTS AND CONTINGENCIES - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Jan. 01, 2020
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Percentage Of Increase In ACL Adjusted In Capital Measures		25.00%
Commitments To Extend Credit [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Commitments	$ 2,100
Commitments To Extend Credit [Member] | Credit Card [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Commitments	1,200
Commitments To Extend Credit [Member] | Commercial And Financial Standby Letters Of Credit [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Commitments	$ 115.5
Retained Earnings [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect Period Of Adoption Adjustment [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Cummulative Effect Of New Accounting Principle In Period Of Adoption Adjusted In Capital Measures		$ 62.3
Basel III [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Conservation Buffer	2.50%
Basel III [Member] | Minimum [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common Equity Tier 1 Capital To Risk Weight Assets Ratio Capital Adequacy	4.50%
Common Equity Tier1 Capital To Risk Weight Assets Ratio Plus Common Equity Tier 1 Capital Conservation Buffer	7.00%
Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets	0.060
Total Tier 1 Capital To Risk Weight Assets Ratio Plus Common Equity Tier 1 Capital Conservation Buffer	8.50%
Capital Required For Capital Adequacy To Risk Weighted Assets	0.080
Capital Required For Capital Adequacy To Risk Weighted Assets Plus Common Equity Tier 1 Capital Conservation Buffer	10.50%
Leverage Ratio Required Fo Capital Adequacy Ratio	0.04

REGULATORY MATTERS, COMMITMEN_4

REGULATORY MATTERS, COMMITMENTS AND CONTINGENCIES- Regulatory Capital Positions (Detail) $ in Thousands	Mar. 31, 2021USD ($)	Dec. 31, 2020USD ($)
First BanCorp [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total Capital (to Risk-Weighted Assets)	$ 2,479,823	$ 2,416,682
Total Capital (to Risk-Weighted Assets) Ratio	0.2073	0.2037
Total Capital (to Risk-Weighted Assets) Required For Capital Adequacy	$ 956,908	$ 948,890
Total Capital (to Risk-Weighted Assets) Required For Capital Adequacy Ratio	0.080	0.080
Common Equity Tier One Capital	$ 2,115,199	$ 2,053,045
Common Equity Tier One Capital (to Risk-Weighted Assets) Ratio	17.68%	17.31%
Common Equity Tier One Capital Required for Capital Adequacy	$ 538,261	$ 533,751
Common Equity Tier One Capital (to Risk-Weighted Assets) Required for Capiral Adequacy Ratio	4.50%	4.50%
Tier One Capital (to Risk-Weighted Assets)	$ 2,151,302	$ 2,089,149
Tier One Capital (to Risk-Weighted Assets) Ratio	0.1799	0.1761
Tier One Capital (to Risk-Weighted Assets) Required For Capital Adequacy	$ 717,681	$ 711,667
Tier One Capital (to Risk-Weighted Assets) Required For Capital Adequacy Ratio	0.060	0.060
Leverage ratio	$ 2,151,302	$ 2,089,149
Leverage Ratio	0.1136	0.1126
Leverage Ratio Required For Capital Adequacy	$ 757,485	$ 742,352
Leverage Ratio Required Fo Capital Adequacy Ratio	0.040	0.040
FirstBank [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total Capital (to Risk-Weighted Assets)	$ 2,421,641	$ 2,360,493
Total Capital (to Risk-Weighted Assets) Ratio	0.2024	0.1991
Total Capital (to Risk-Weighted Assets) Required For Capital Adequacy	$ 956,977	$ 948,624
Total Capital (to Risk-Weighted Assets) Required For Capital Adequacy Ratio	0.080	0.080
Total Capital (to Risk-Weighted Assets) Required To Be Well Capitalized	$ 1,196,221	$ 1,185,780
Total Capital (to Risk-Weighted Assets) Required To Be Well Capitalized Ratio	0.100	0.100
Common Equity Tier One Capital	$ 1,963,360	$ 1,903,251
Common Equity Tier One Capital (to Risk-Weighted Assets) Ratio	16.41%	16.05%
Common Equity Tier One Capital Required for Capital Adequacy	$ 538,300	$ 533,601
Common Equity Tier One Capital (to Risk-Weighted Assets) Required for Capiral Adequacy Ratio	4.50%	4.50%
Common Equity Tier One Capital Required to be Well-Capitalized	$ 777,544	$ 770,757
Common Equity Tier One Capital (to Risk-Weighted Assets) Required To Be Well Capitalized Ratio	6.50%	6.50%
Tier One Capital (to Risk-Weighted Assets)	$ 2,271,360	$ 2,211,251
Tier One Capital (to Risk-Weighted Assets) Ratio	0.1899	0.1865
Tier One Capital (to Risk-Weighted Assets) Required For Capital Adequacy	$ 717,733	$ 711,468
Tier One Capital (to Risk-Weighted Assets) Required For Capital Adequacy Ratio	0.060	0.060
Tier One Capital (to Risk-Weighted Assets) Required To Be Well Capitalized	$ 956,977	$ 948,624
Tier One Capital (to Risk-Weighted Assets) Required To Be Well Capitalized Ratio	0.080	0.080
Leverage ratio	$ 2,271,360	$ 2,211,251
Leverage Ratio	0.1200	0.1192
Leverage Ratio Required For Capital Adequacy	$ 756,898	$ 741,841
Leverage Ratio Required Fo Capital Adequacy Ratio	0.040	0.040
Leverage Ratio Required To Be Well Capitalized	$ 946,122	$ 927,301
Leverage Ratio Required To Be Well Capitalized Ratio	0.050	0.050

FIRST BANCORP. (Holding Compa_3

FIRST BANCORP. (Holding Company Only) Financial Information - Statements of Financial Condition (Unaudited) (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020
ASSETS
Cash and due from banks	$ 1,515,232	$ 1,433,261	$ 990,007
Money market investments	2,932	60,572	97,708
Other investment securities	41,558	37,588
Other assets	248,645	272,737
Total assets	19,413,734	18,793,071
Liabilities:
Other borrowings	183,762	183,762
Accounts payable and other liabilities	259,111	276,747
Total liabilities	17,193,309	16,517,892
Stockholders Equity	2,220,425	2,275,179	$ 2,199,751
Total liabilities and stockholders' equity	19,413,734	18,793,071
Holding Company [Member]
ASSETS
Cash and due from banks	19,433	10,909
Money market investments	0	6,211
Other investment securities	285	285
Other assets	1,616	2,023
Total assets	2,412,788	2,463,216
Liabilities:
Other borrowings	183,762	183,762
Accounts payable and other liabilities	8,601	4,275
Total liabilities	192,363	188,037
Stockholders Equity	2,220,425	2,275,179
Total liabilities and stockholders' equity	2,412,788	2,463,216
Holding Company [Member] | Investment in First Bank Puerto Rico, at equity [Member]
ASSETS
Equity Method Investments	2,340,202	2,396,963
Holding Company [Member] | Investment in First Bank Insurance Agency, at equity
ASSETS
Equity Method Investments	45,740	41,313
Holding Company [Member] | Statutory Trust One [Member]
ASSETS
Equity Method Investments	1,951	1,951
Holding Company [Member] | Statutory Trust Two [Member]
ASSETS
Equity Method Investments	$ 3,561	$ 3,561

FIRST BANCORP. (Holding Compa_4

FIRST BANCORP. (Holding Company Only) Financial Information - Statements of Income (Unaudited) (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income:
Interest income on money market investments	$ 14,320	$ 15,876
Other income	349	2,262
Expense:
Income tax provision	28,022	(2,967)
Net income	61,150	2,266
Other comprehensive (loss) income, net of tax	(98,929)	42,352
Comprehensive (loss) income	(37,779)	44,618
Holding Company [Member]
Income:
Interest income on money market investments	16	33
Other income	38	61
Total interest income and dividends on investments	18,855	13,723
Expense:
Other borrowings	1,294	2,032
Other operating expenses	499	523
Total operating expenses	1,793	2,555
Income before income taxes and equity in undistributed earnings (losses) of subsidiaries	17,062	11,168
Income tax provision	1,129	1,382
Equity in undistributed earnings (losses) of subsidiaries	45,217	(7,520)
Net income	61,150	2,266
Other comprehensive (loss) income, net of tax	(98,929)	42,352
Comprehensive (loss) income	(37,779)	44,618
Investment In Banking Subsidiary [Member] | Holding Company [Member]
Income:
Dividend income	$ 18,801	$ 13,629

Uncategorized Items - fbp033120

Label	Element	Value
Accounting Standards Update 2016-13 [Member] | Retained Earnings [Member]
Stockholders Equity After New Accounting Principle In Period Of Adoption	fbp_StockholdersEquityAfterNewAccountingPrincipleInPeriodOfAdoption	$ 1,159,495,000
Accounting Standards Update 2016-13 [Member] | Cumulative Effect Period Of Adoption Adjustment [Member] | Retained Earnings [Member]
Cumulative Effect Of New Accounting Principle In Period Of Adoption 1	fbp_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption1	$ (62,322,000)