Amerant Bancorp (AMTB) 10-Q 21 Sep 18 2018 Q2 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2018	Sep. 21, 2018
Entity Registrant Name	Mercantil Bank Holding Corp
Entity Central Index Key	1,734,342
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Document Type	10-Q
Document Period End Date	Jun. 30, 2018
Document Fiscal Year Focus	2,018
Document Fiscal Period Focus	Q2
Amendment Flag	false
Class A
Entity Common Stock, Shares Outstanding		74,212,408
Class B
Entity Common Stock, Shares Outstanding		53,253,157

Consolidated Balance Sheets (Un

Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Assets
Cash and due from banks	$ 27,125	$ 44,531
Interest earning deposits with banks	90,105	108,914
Cash and cash equivalents	117,230	153,445
Securities
Available for sale	1,649,665	1,687,157
Held to maturity	88,440	89,860
Federal Reserve Bank and Federal Home Loan Bank stock	74,014	69,934
Loans held for sale	0	5,611
Loans, gross	6,219,549	6,066,225
Less: Allowance for loan losses	69,931	72,000
Loans, net	6,149,618	5,994,225
Bank owned life insurance	203,236	200,318
Premises and equipment, net	121,683	129,357
Deferred tax assets, net	23,219	14,583
Goodwill	19,193	19,193
Accrued interest receivable and other assets	84,166	73,084
Total assets	8,530,464	8,436,767
Deposits
Noninterest bearing	860,745	895,710
Interest bearing	1,403,657	1,496,749
Savings and money market	1,646,392	1,684,080
Time	2,452,344	2,246,434
Total deposits	6,363,138	6,322,973
Advances from the Federal Home Loan Bank and other borrowings	1,258,000	1,173,000
Junior subordinated debentures held by trust subsidiaries	118,110	118,110
Accounts payable, accrued liabilities and other liabilities	71,834	69,234
Total liabilities	7,811,082	7,683,317
Commitments and contingencies (Note 11)
Stockholders’ equity (Note 1)
Additional paid in capital	359,008	359,008
Retained earnings	367,681	387,829
Accumulated other comprehensive loss	(20,053)	(6,133)
Total stockholders’ equity	719,382	753,450
Total liabilities and stockholders’ equity	8,530,464	8,436,767
Class A common stock, $0.10 par value, 400,000,000 shares authorized; 74,212,408 shares issued and outstanding
Stockholders’ equity (Note 1)
Common stock	7,421	7,421
Class B common stock, $0.10 par value, 100,000,000 shares authorized; 53,253,157 shares issued and outstanding
Stockholders’ equity (Note 1)
Common stock	$ 5,325	$ 5,325

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) (Unaudited) - $ / shares	Jun. 30, 2018	Dec. 31, 2017
Class A
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized (in shares)	400,000,000	400,000,000
Common stock, shares issued (in shares)	74,212,408	74,212,408
Common stock, shares outstanding (in shares)	74,212,408	74,212,408
Class B
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	53,253,157	53,253,157
Common stock, shares outstanding (in shares)	53,253,157	53,253,157

Consolidated Statements of Oper

Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Interest income
Loans	$ 62,448	$ 53,790	$ 122,118	$ 103,870
Investment securities	12,709	12,515	24,450	25,081
Interest earning deposits with banks	759	364	1,279	737
Total interest income	75,916	66,669	147,847	129,688
Interest expense
Interest bearing demand deposits	113	84	202	184
Savings and money market deposits	3,104	2,187	5,688	4,381
Time deposits	10,172	6,193	18,872	11,853
Advances from the Federal Home Loan Bank	6,511	4,345	12,501	8,594
Junior subordinated debentures	2,025	1,855	3,960	3,679
Securities sold under agreements to repurchase	2	564	2	1,205
Total interest expense	21,927	15,228	41,225	29,896
Net interest income	53,989	51,441	106,622	99,792
Provision for loan losses	150	3,646	150	7,743
Net interest income after provision for loan losses	53,839	47,795	106,472	92,049
Noninterest income
Deposits and service fees	4,471	4,868	9,053	9,774
Brokerage, advisory and fiduciary activities	4,426	4,897	8,841	10,158
Change in cash surrender value of bank owned life insurance	1,474	1,242	2,918	2,487
Cards and trade finance servicing fees	1,173	1,114	2,235	2,185
Gain on early extinguishment of advances from the Federal Home Loan Bank	882	0	882	0
Data processing, rental income and fees for other services to related parties	613	969	1,494	1,552
Securities gains, net	16	177	16	155
Other noninterest income	1,931	4,492	3,492	5,665
Total noninterest income	14,986	17,759	28,931	31,976
Noninterest expense
Salaries and employee benefits	34,932	31,666	68,973	63,974
Occupancy and equipment	4,060	4,052	7,775	8,761
Professional and other services fees	5,387	2,744	11,831	5,401
FDIC assessments and insurance	1,468	2,180	2,915	4,143
Telecommunication and data processing	3,011	2,417	6,095	4,169
Depreciation and amortization	1,945	2,039	4,086	4,466
Other operating expenses	1,835	5,567	6,608	8,899
Total noninterest expenses	52,638	50,665	108,283	99,813
Net income before income tax	16,187	14,889	27,120	24,212
Income tax expense	(5,764)	(4,499)	(7,268)	(7,315)
Net income	10,423	10,390	19,852	16,897
Other comprehensive (loss) income, net of tax
Net unrealized holding (losses) gains on securities available for sale arising during the period	(5,454)	5,980	(20,431)	7,552
Net unrealized holding gains (losses) on cash flow hedges arising during the period	2,139	(1,453)	6,352	(1,295)
Reclassification adjustment for net losses (gains) included in net income	2	(93)	159	(47)
Other comprehensive (loss) income	(3,313)	4,434	(13,920)	6,210
Comprehensive income	7,110	14,824	5,932	23,107
Basic and diluted earnings per share:
Net income available to common shareholders	$ 10,423	$ 10,390	$ 19,852	$ 16,897
Basic and diluted weighted average shares outstanding (in shares)	127,466	127,466	127,466	127,466
Basic and diluted income per common share (in dollars per share)	$ 0.08	$ 0.08	$ 0.16	$ 0.13
Cash dividends declared per common share (in dollars per share)	$ 0	$ 0	$ 0.31	$ 0

Consolidated Statements of Chan

Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Class A	Class B	Common StockClass A	Common StockClass B	Additional Paid in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Shares Issued and Outstanding (in shares) at Dec. 31, 2016				74,212,408	53,253,157
Beginning balance at Dec. 31, 2016	$ 704,737			$ 7,421	$ 5,325	$ 359,008	$ 343,678	$ (10,695)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	16,897						16,897
Other comprehensive (loss) income	6,210							6,210
Shares Issued and Outstanding (in shares) at Jun. 30, 2017				74,212,408	53,253,157
Ending balance at Jun. 30, 2017	727,844			$ 7,421	$ 5,325	359,008	360,575	(4,485)
Shares Issued and Outstanding (in shares) at Dec. 31, 2017		74,212,408	53,253,157	74,212,408	53,253,157
Beginning balance at Dec. 31, 2017	753,450			$ 7,421	$ 5,325	359,008	387,829	(6,133)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends (Note 1)	(40,000)						(40,000)
Net income	19,852						19,852
Other comprehensive (loss) income	(13,920)							(13,920)
Shares Issued and Outstanding (in shares) at Jun. 30, 2018		74,212,408	53,253,157	74,212,408	53,253,157
Ending balance at Jun. 30, 2018	$ 719,382			$ 7,421	$ 5,325	$ 359,008	$ 367,681	$ (20,053)

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities
Net income	$ 19,852	$ 16,897
Adjustments to reconcile net income to net cash provided by operating activities
Provision for loan losses	150	7,743
Net premium amortization on securities	8,447	9,936
Depreciation and amortization	4,086	4,466
Increase in cash surrender value of bank owned life insurance	(2,918)	(2,487)
Deferred taxes, securities net gains or losses and others	(4,374)	(184)
Net changes in operating assets and liabilities
Accrued interest receivable and other assets	(2,075)	2,378
Account payable, accrued liabilities and other liabilities	3,071	6,078
Net cash provided by operating activities	26,239	44,827
Purchases of investment securities:
Available for sale	(121,245)	(116,495)
Held to maturity securities	0	(12,586)
Federal Reserve Bank and Federal Home Loan Bank stock	(13,642)	(16,819)
Maturities, sales and calls of investment securities:
Available for sale	122,805	311,647
Held to maturity	1,338	0
Federal Reserve Bank and Federal Home Loan Bank stock	9,563	13,388
Net increase in loans	(174,197)	(382,566)
Proceeds from loan portfolio sales	23,781	63,256
Net purchases of bank premises and equipment	(3,522)	(268)
Net proceeds from sale of subsidiary	7,500	0
Net cash used in investing activities	(147,619)	(140,443)
Cash flows from financing activities
Net decrease in demand, savings and money market accounts	(165,745)	(148,347)
Net increase in time deposits	205,910	170,922
Net decrease in securities sold under agreements to repurchase	0	(15,000)
Proceeds from Advances from the Federal Home Loan Bank and other banks	656,000	690,500
Repayments of Advances from the Federal Home Loan Bank and other banks	(571,000)	(610,500)
Dividend paid	(40,000)	0
Net cash provided by financing activities	85,165	87,575
Net decrease in cash and cash equivalents	(36,215)	(8,041)
Cash and cash equivalents
Beginning of period	153,445	134,989
End of period	117,230	126,948
Supplemental disclosures of cash flow information
Cash paid for Interest	40,491	29,359
Cash paid for Income taxes	$ 15,203	$ 7,931

Basis of Presentation and Summa

Basis of Presentation and Summary of Significant Accounting Policies	6 Months Ended
	Jun. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation and Summary of Significant Accounting Policies	Basis of Presentation and Summary of Significant Accounting Policies Mercantil Bank Holding Corporation (the “Company”), is a Florida corporation incorporated in 1985, which has operated since January 1987. The Company is a bank holding company registered under the Bank Holding Company Act of 1956, as a result of its 100% indirect ownership of Mercantil Bank, N.A. (the “Bank”). The Company’s principal office is in the City of Coral Gables, Florida. The Bank is a member of the Federal Reserve Bank of Atlanta (“Federal Reserve Bank”) and the Federal Home Loan Bank of Atlanta (“FHLB”). The Bank has two principal subsidiaries, Mercantil Investment Services, Inc. a securities broker-dealer, and Mercantil Trust Company, N.A. As of December 31, 2017 the Company was a wholly owned subsidiary of Mercantil Servicios Financieros, C.A. (“MSF”). On March 15, 2018, MSF transferred ownership of 100% of the Company Shares to a non-discretionary common law grantor trust governed by the laws of the State of Florida (the “Distribution Trust”). The Company and MSF are parties to an Amended and Restated Separation and Distribution Agreement dated as of June 12, 2018 that provided for the spin-off (the Spin-off”) of the Company from MSF. On February 6, 2018, the Company filed amended and restated articles of incorporation with the Secretary of State of the State of Florida. Pursuant to this action, the total number of Class A and Class B common shares (“Company Shares”), which the Company is authorized to issue is 400,000,000 and 100,000,000 , respectively. In addition, e ffective on February 6, 2018, the Company exchanged 100% of the 298,570,328 Class A and 215,188,764 Class B Company Shares outstanding, for 74,212,408 Class A and 53,253,157 Class B Company Shares. This facilitated the distribution of one share of Class A and Class B Company Shares for each outstanding share of MSF Class A and Class B common stock, respectively, discussed below. All references made to share or per share amounts in the consolidated financial statements for the periods presented and applicable disclosures have been retroactively adjusted to reflect this exchange. See Note 22 to the audited consolidated financial statements for additional information, which are included in the Company’s definitive Information Statement filed with the Securities and Exchange Commission (“SEC”) as Exhibit 99.1 to its Current Report on Form 8-K on August 10, 2018 (the “Information Statement”). On March 13, 2018, the Company paid a special, one-time, cash dividend of $40.0 million to MSF. The Distribution Trust was established by MSF and the Company pursuant to a Distribution Trust Agreement with a Texas trust company, unaffiliated with MSF, as trustee. The Distribution Trust held 80.1% of the Company Shares (the “Distributed Shares”) for the benefit of MSF’s Class A and Class B common shareholders of record (“Record Holders”) on April 2, 2018 (“Record Date”). The remaining 19.9% of all Company Shares of each Class held in the Distribution Trust for the benefit of MSF and its subsidiaries are the “Retained Shares”. The Distributed Shares were distributed to MSF shareholders on August 10, 2018 (the “Distribution”). As a result of the Distribution, the Company is a separate company whose common stock is listed on the Nasdaq Stock Market under the symbols “MBNAA” (for the Company’s Class A common stock) and “MBNAB” (for the Company’s Class B common stock). The Distribution Trust continues to hold the Retained Shares pending their sale or disposition by MSF or, in certain circumstances where there is a change in control of MSF, their contribution by MSF to the Company. In October 2008, MSF, the Company and various individuals as Voting Trustees, entered into a Voting Trust Agreement (the “Voting Trust”). The Voting Trust was established to promote the interests of the Bank and expand its business in the United States by facilitating access to the United States’ capital markets, and to provide continued appropriate corporate governance of the Bank upon the occurrence of certain changes or threatened changes in control of MSF not approved by MSF’s board of directors. On July 24, 2018, the Voting Trust was terminated. Accordingly, all the existing Voting Trust certificates have been canceled. All the issued and outstanding shares of capital stock of Mercantil Florida Bancorp, Inc (“Florida Bancorp”), which is the Bank’s sole shareholder, previously held by the Voting Trust, were transferred to the Company on that date. The Company is now the sole shareholder of Florida Bancorp, and the indirect owner of 100% of the Bank. On August 8, 2018, the Company became subject to the reporting requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934 (the “Securities Act”). The accompanying unaudited interim consolidated financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information and the instructions to Form 10-Q and Article 10 of Regulation S-X of the SEC. Accordingly, they do not include all of the information and footnotes required for a fair statement of financial position, results of operations and cash flows in conformity with U.S. generally accepted accounting principles (“U.S. GAAP”). These interim unaudited consolidated financial statements reflect all adjustments that are, in the opinion of management, necessary for a fair statement of the results for the interim periods presented. These adjustments are of a normal, recurring nature. Interim period operating results may not be indicative of the operating results for a full year or any other period. These interim unaudited consolidated financial statements should be read in conjunction with the audited consolidated financial statements as of December 31, 2017 and 2016 and for each of the three years in the period ended December 31, 2017 and the accompanying footnote disclosures for the Company, which are included in the Information Statement. The effects of significant subsequent events, if any, have been adequately recognized or disclosed in these unaudited interim consolidated financial statements. Subsequent events have been evaluated through September 21, 2018 , the date when these consolidated financial statements were available to be issued. For a complete summary of our significant accounting policies, please see Note 1 to the audited consolidated financial statements as of December 31, 2017 and 2016 and for each of the three years in the period ended December 31, 2017, which are included in the Information Statement. Estimates The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Significant estimates made by management include: i) the determination of the allowance for loan losses; (ii) the fair values of securities, bank owned life insurance and the reporting unit to which goodwill has been assigned during the annual goodwill impairment test; and (iii) the determination of whether the amount of deferred tax assets will more likely than not be realized. Management believes that these estimates are appropriate. Actual results could differ from these estimates. Revisions During the second quarter of 2018, the Company determined to revise its presentation of loans by classes to correct for certain immaterial misclassifications in the presentation of loans by classes in the footnotes to the Company’s consolidated financial statements as of December 31, 2017. The Company assessed the impact of these misclassifications and determined they had no effect on the Consolidated Balance Sheet as of December 31, 2017, the Consolidated Statements of Operations and Comprehensive Income for the three and six-month periods ended June 30, 2017, or the Consolidated Statement of Ca sh Flows for the six months ended June 30, 2017. The following tables show the effects of the correction of the misclassifications to the footnotes to the Company’s consolidated financial statements as of December 31, 2017. This change in classification is reflected in the footnotes to the consolidated financial statements as of June 30, 2018 and for the three and six months periods ended June 30, 2018 and 2017. Loan portfolio by class: December 31, 2017 (in thousands) As Reported As Revised Effect of change Real estate loans Commercial real estate Non-owner occupied $ 1,745,839 $ 1,713,104 $ (32,735 ) Multi-family residential 795,912 839,709 43,797 Land development and construction loans 421,285 406,940 (14,345 ) 2,963,036 2,959,753 (3,283 ) Single-family residential 515,237 512,754 (2,483 ) Owner-occupied 429,803 610,386 180,583 3,908,076 4,082,893 174,817 Commercial loans 1,529,572 1,354,755 (174,817 ) Loans to financial institutions and acceptances 497,626 497,626 — Consumer loans and overdrafts 130,951 130,951 — $ 6,066,225 $ 6,066,225 $ — Age analysis of the loan portfolio by class: As reported: December 31, 2017 Total Loans, Past Due Total Loans in Total Loans (in thousands) Current 30-59 60-89 Greater than Total Past Real estate loans Commercial real estate Non-owner occupied $ 1,745,839 $ 1,745,686 $ — $ — $ 153 $ 153 $ 162 $ — Multi-family residential 795,912 795,912 — — — — — — Land development and construction loans 421,285 421,285 — — — — — — 2,963,036 2,962,883 — — 153 153 162 — Single-family residential 515,237 504,204 6,609 2,421 2,003 11,033 5,004 226 Owner-occupied 429,803 423,560 1,571 503 4,169 6,243 10,398 — 3,908,076 3,890,647 8,180 2,924 6,325 17,429 15,564 226 Commercial loans 1,529,572 1,523,329 1,814 5 4,424 6,243 11,103 — Loans to financial institutions and acceptances 497,626 497,626 — — — — — — Consumer loans and overdrafts 130,951 130,846 57 29 19 105 55 — $ 6,066,225 $ 6,042,448 $ 10,051 $ 2,958 $ 10,768 $ 23,777 $ 26,722 $ 226 As revised: December 31, 2017 Total Loans, Past Due Total Loans in Total Loans (in thousands) Current 30-59 60-89 Greater than Total Past Real estate loans Commercial real estate Non-owner occupied $ 1,713,104 $ 1,712,624 $ — $ — $ 480 $ 480 $ 489 $ — Multi-family residential 839,709 839,709 — — — — — — Land development and construction loans 406,940 406,940 — — — — — — 2,959,753 2,959,273 — — 480 480 489 — Single-family residential 512,754 501,393 6,609 2,750 2,002 11,361 5,004 226 Owner-occupied 610,386 602,643 3,000 174 4,569 7,743 12,227 — 4,082,893 4,063,309 9,609 2,924 7,051 19,584 17,720 226 Commercial loans 1,354,755 1,350,667 385 5 3,698 4,088 8,947 — Loans to financial institutions and acceptances 497,626 497,626 — — — — — — Consumer loans and overdrafts 130,951 130,846 57 29 19 105 55 — $ 6,066,225 $ 6,042,448 $ 10,051 $ 2,958 $ 10,768 $ 23,777 $ 26,722 $ 226 Age analysis of the loan portfolio by class: Effects of change: December 31, 2017 Total Loans, Past Due Total Loans in Total Loans (in thousands) Current 30-59 60-89 Greater than Total Past Real estate loans Commercial real estate Non-owner occupied $ (32,735 ) $ (33,062 ) $ — $ — $ 327 $ 327 $ 327 $ — Multi-family residential 43,797 43,797 — — — — — — Land development and construction loans (14,345 ) (14,345 ) — — — — — — (3,283 ) (3,610 ) — — 327 327 327 — Single-family residential (2,483 ) (2,811 ) — 329 (1 ) 328 — — Owner-occupied 180,583 179,083 1,429 (329 ) 400 1,500 1,829 — 174,817 172,662 1,429 — 726 2,155 2,156 — Commercial loans (174,817 ) (172,662 ) (1,429 ) — (726 ) (2,155 ) (2,156 ) — Loans to financial institutions and acceptances — — — — — — — — Consumer loans and overdrafts — — — — — — — — $ — $ — $ — $ — $ — $ — $ — $ — Loans by credit quality indicators: As reported: December 31, 2017 Credit Risk Rating Classified (in thousands) Nonclassified Substandard Doubtful Loss Total Real estate loans Commercial real estate Non-owner occupied $ 1,745,677 $ 162 $ — $ — $ 1,745,839 Multi-family residential 795,912 — — — 795,912 Land development and construction loans 421,285 — — — 421,285 2,962,874 162 — — 2,963,036 Single-family residential 509,368 5,869 — — 515,237 Owner-occupied 417,694 12,109 — — 429,803 3,889,936 18,140 — — 3,908,076 Commercial loans 1,513,375 16,197 — — 1,529,572 Loans to financial institutions and acceptances 497,626 — — — 497,626 Consumer loans and overdrafts 125,762 5,189 — — 130,951 $ 6,026,699 $ 39,526 $ — $ — $ 6,066,225 Loans by credit quality indicators: As revised: December 31, 2017 Credit Risk Rating Classified (in thousands) Nonclassified Substandard Doubtful Loss Total Real estate loans Commercial real estate Non-owner occupied $ 1,712,615 $ 489 $ — $ — $ 1,713,104 Multi-family residential 839,709 — — — 839,709 Land development and construction loans 406,940 — — — 406,940 2,959,264 489 — — 2,959,753 Single-family residential 506,885 5,869 — — 512,754 Owner-occupied 596,519 13,867 — — 610,386 4,062,668 20,225 — — 4,082,893 Commercial loans 1,340,643 14,112 — — 1,354,755 Loans to financial institutions and acceptances 497,626 — — — 497,626 Consumer loans and overdrafts 126,838 4,113 — — 130,951 $ 6,027,775 $ 38,450 $ — $ — $ 6,066,225 Effects of change: December 31, 2017 Credit Risk Rating Classified (in thousands) Nonclassified Substandard Doubtful Loss Total Real estate loans Commercial real estate Non-owner occupied $ (33,062 ) $ 327 $ — $ — $ (32,735 ) Multi-family residential 43,797 — — — 43,797 Land development and construction loans (14,345 ) — — — (14,345 ) (3,610 ) 327 — — (3,283 ) Single-family residential (2,483 ) — — — (2,483 ) Owner-occupied 178,825 1,758 — — 180,583 172,732 2,085 — — 174,817 Commercial loans (172,732 ) (2,085 ) — — (174,817 ) Loans to financial institutions and acceptances — — — — — Consumer loans and overdrafts 1,076 (1,076 ) — — — $ 1,076 $ (1,076 ) $ — $ — $ — Allocation of allowance for loan losses at end of the period, as reported, revised and effects of change: December 31, 2017 December 31, 2016 (in thousands) As Reported As Revised Effect of change As Reported As Revised Effect of change Real estate $ 30,246 $ 31,290 $ 1,044 $ 31,055 $ 30,713 $ (342 ) Commercial 33,731 32,687 (1,044 ) 40,555 40,897 342 Financial institutions 4,362 4,362 — 5,304 5,304 — Consumer and others 3,661 3,661 — 4,837 4,837 — $ 72,000 $ 72,000 $ — $ 81,751 $ 81,751 $ — March 31, 2018 March 31, 2017 (in thousands) As Reported As Revised Effect of change As Reported As Revised Effect of change Real estate $ 29,416 $ 30,503 $ 1,087 $ 32,742 $ 32,471 $ (271 ) Commercial 34,759 33,672 (1,087 ) 36,387 36,658 271 Financial institutions 3,671 3,671 — 5,615 5,615 — Consumer and others 4,272 4,272 — 4,619 4,619 — $ 72,118 $ 72,118 $ — $ 79,363 $ 79,363 $ — Summary of impaired loans: As reported: December 31, 2017 Recorded Investment (in thousands) With a Valuation Allowance Without a Valuation Allowance Total Year Average Total Unpaid Principal Balance Valuation Allowance Real estate loans Commercial real estate Non-owner occupied $ — $ — $ — $ 143 $ — $ — Multi-family residential — 1,318 1,318 7,898 1,330 — Land development and construction loans — — — 1,359 — — — 1,318 1,318 9,400 1,330 — Single-family residential — 877 877 3,100 871 — Owner-occupied — 9,488 9,488 13,080 10,494 — — 11,683 11,683 25,580 12,695 — Commercial loans 7,173 3,743 10,916 18,653 16,940 2,866 $ 7,173 $ 15,426 $ 22,599 $ 44,233 $ 29,635 $ 2,866 Summary of impaired loans: As revised: December 31, 2017 Recorded Investment (in thousands) With a Valuation Allowance Without a Valuation Allowance Total Year Average Total Unpaid Principal Balance Valuation Allowance Real estate loans Commercial real estate Non-owner occupied $ — $ 327 $ 327 $ 225 $ 327 $ — Multi-family residential — 1,318 1,318 7,898 1,330 — Land development and construction loans — — — 1,359 — — — 1,645 1,645 9,482 1,657 — Single-family residential — 877 877 3,100 871 — Owner-occupied — 10,918 10,918 13,440 12,323 — — 13,440 13,440 26,022 14,851 — Commercial loans 7,173 1,986 9,159 18,211 14,784 2,866 $ 7,173 $ 15,426 $ 22,599 $ 44,233 $ 29,635 $ 2,866 Effects of change: December 31, 2017 Recorded Investment (in thousands) With a Valuation Allowance Without a Valuation Allowance Total Year Average Total Unpaid Principal Balance Valuation Allowance Real estate loans Commercial real estate Non-owner occupied $ — $ 327 $ 327 $ 82 $ 327 $ — Multi-family residential — — — — — — Land development and construction loans — — — — — — — 327 327 82 327 — Single-family residential — — — — — — Owner-occupied — 1,430 1,430 360 1,829 — — 1,757 1,757 442 2,156 — Commercial loans — (1,757 ) (1,757 ) (442 ) (2,156 ) — $ — $ — $ — $ — $ — $ — Commitment and contingencies: The Company previously disclosed in Note 16 “Commitments and Contingencies” to its audited consolidated financial statements as of December 31, 2017, the approximate contract amount of credit card facilities of $266.8 million . This amount should have been disclosed as $200.2 million . This change has no effect on the Consolidated Statements of Operations and Comprehensive Income, Balance Sheets or Cash Flows.

Recently Issued Accounting Pron

Recently Issued Accounting Pronouncements	6 Months Ended
	Jun. 30, 2018
Accounting Changes and Error Corrections [Abstract]
Recently Issued Accounting Pronouncements	Recently Issued Accounting Pronouncements Emerging Growth Company Section 107 of the JOBS Act provides that, as an “emerging growth company” we can take advantage of the extended transition period provided in Section 7(a)(2)(B) of the Securities Act for complying with new or revised accounting standards. Therefore, an “emerging growth company” can delay the adoption of certain accounting standards until those standards would otherwise apply to private companies. We intend to take advantage of the benefits of this extended transition period, for as long as it is available. Changes to the Disclosure Requirements for Fair Value Measurements In August 2018, the Financial Accounting Standards Board (“FASB”) issued amendments to the disclosure requirements for fair value measurements. The amendments modify the fair value measurements disclosures with the primary focus to improve effectiveness of disclosures in the notes to the financial statements that is most important to the users. The new guidance modifies the required disclosures related to the valuation techniques and inputs used, uncertainty in measurement, and changes in measurements applied. These amendments are effective for all entities for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019. Early adoption is permitted. The Company is currently assessing the impact this new guidance may have on the Company’s consolidated financial statements and footnote disclosures. Narrow Amendments to Pending New Guidance on Leases In July 2018, the FASB issued amendments to narrow aspects of the new guidance issued in February 2016 for the recognition and measurement of all leases which is not yet effective. These amendments, and the related pending new guidance, are effective for fiscal years beginning after December 15, 2019, and interim periods within fiscal years beginning after December 15, 2020, for private companies, and for fiscal periods beginning after Decem ber 15, 2018, and interim periods within those fiscal years, for public companies. Early adoption is permitted. The Company is in the process of determining whether these amendments and the related new pending guidance will have a material effect on its consolidated financial statements, when adopted. Removal of Outdated OCC Guidance In May 2018, the FASB issued amendments which removed outdated guidance related to the Office of the Comptroller of the Currency (“OCC”)’s Banking Circular 202, Accounting for Net Deferred Tax Changes . This guidance, which limited the net deferred tax debits that can be carried on a bank’s statement of condition for regulatory purposes, has been rescinded by the OCC. These amendments became effective immediately upon issuance and had no impact to the Company’s interim unaudited consolidated financial statements. Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income In February 2018, the FASB issued guidance that allows a reclassification from AOCI to retained earnings for stranded tax effects resulting from the newly enacted federal corporate income tax rate. The amount of the reclassification is the difference between the historical corporate income tax rate and the newly enacted 21% corporate income tax rate pursuant to H.R. 1, An Act to Provide for Reconciliation Pursuant to Titles II and V of the Concurrent Resolution on the Budget for Fiscal year 2018, known as the Tax Cuts and Jobs Act of 2017 (“the 2017 Tax Act”). This guidance is effective for all entities for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted for (1) public business entities for reporting periods for which financial statements have not been issued, and (2) for other entities for reporting periods for which financial statements have not yet been made available for issuance. The Company early-adopted this guidance and reclassified the effect of remeasuring net deferred tax assets related to items within AOCI to retained earnings resulting in a $1.1 million increase in retained earnings in 2017. Targeted Improvements to Accounting for Hedging Activities In August 2017, the FASB issued targeted amendments to the guidance for recognition, presentation and disclosure of hedging activities. These targeted amendments expand and refine hedge accounting for both nonfinancial and financial risk components and align the recognition and presentation of the effects of the hedging instrument and the hedged item in the financial statements. The amendments also simplify the application of hedge accounting guidance. This guidance is effective for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years for public business entities. For all other entities, the amendments are effective for fiscal years beginning after December 15, 2019, and interim periods within fiscal years beginning after December 15, 2020. The Company is in the process of determining whether the adoption of this guidance will have a material impact on the Company’s consolidated financial statements and disclosures. Statement of Cash Flows Classification of Certain Receipts and Payments In August 2016 , the FASB issued specific guidance for the classification of a number of cash receipts and payments, including debt prepayment or debt extinguishment costs, settlement of zero-coupon debt instruments or other debt instruments with coupon interest rates that are insignificant in relation to the effective interest rate of the borrowing, proceeds from the settlement of insurance claims and proceeds from the settlement of bank-owned life insurance policies. The new guidance is effective for years beginning after December 15, 2018, and interim periods within fiscal years beginning after December 15, 2019, for private companies, and for years beginning after December 15, 2017 and interim periods within those fiscal years for public companies. Early adoption is permitted. The Company is in the process of understanding whether this new guidance will have a material impact on its consolidated statement of cash flows when adopted. Accounting for Credit Losses on Financial Instruments In June 2016, the FASB issued new guidance for the accounting for credit losses on instruments within its scope. The new guidance introduces an approach based on expected losses to estimate credit losses on certain types of financial instruments. It also modifies the impairment model for available-for-sale debt securities and provides for a simplified accounting model for purchased financial assets with credit deterioration since their origination. The standard is effective for fiscal years beginning after December 15, 2020, and interim periods within fiscal years beginning after December 15, 2021, for private companies, and for fiscal years beginning after December 15, 2019, and interim periods within those fiscal years, for public companies. Early adoption is permitted for fiscal years beginning after December 15, 2018. The Company is in the process of determining whether these changes will have a material impact on its consolidated financial position or results of operations or disclosures. Accounting for Leases In February 2016, the FASB issued guidance for the recognition and measurement of all leases. The new guidance requires lessees to recognize a right-of-use asset and a lease liability for most leases within the scope of the guidance. There were no significant changes to the guidance for lessors. The standard is effective for fiscal years beginning after December 15, 2019, and interim periods within fiscal years beginning after December 15, 2020, for private companies, and for fiscal periods beginning after December 15, 2018, and interim periods within those fiscal years, for public companies. Early adoption is permitted. The new standard must be adopted using a modified retrospective transition at the beginning of the earliest comparative period presented, and provides for certain practical expedients. The Company is in the process of determining whether this new guidance will have a material impact on its consolidated financial position, results of operations and disclosures, when adopted. Recognition and Measurement of Financial Instruments In January 2016, the FASB issued changes to the guidance on the recognition and measurement of financial instruments. The changes include, among others, the removal of the available-for-sale category for equity securities and updates to certain disclosure requirements. This standard is effective for annual reporting periods beginning after December 15, 2018, and interim periods within fiscal years beginning after December 15, 2019, for private companies, and for fiscal periods beginning December 15, 2017, and interim periods within those fiscal years, for public companies, with limited early adoption permitted. The Company is in the process of determining whether these changes will have a material impact on its consolidated financial position or results of operations or disclosures. Revenue from Contracts with Customers In May 2014, the FASB issued a common revenue standard for recognizing revenue from contracts with customers. This new standard establishes principles for reporting information about the nature, amount, timing, and uncertainty of revenue and cash flows arising from an entity’s contracts with customers. The core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The amended effective date is annual reporting periods beginning after December 15, 2018, and interim periods beginning after December 15, 2019, for private companies, and for annual reporting periods beginning after December 15, 2017, and interim periods within that reporting period, for public companies. Earlier adoption continues to be permitted. The Company is in the process of determining whether the new guidance will have a material impact on its consolidated financial position or results of operations.

Securities

Securities	6 Months Ended
	Jun. 30, 2018
Investments, Debt and Equity Securities [Abstract]
Securities	Securities Amortized cost and approximate fair values of securities available for sale are summarized as follows: June 30, 2018 Amortized Gross Unrealized Estimated (in thousands) Gains Losses U.S. government sponsored enterprise debt securities $ 855,688 $ 1,110 $ (29,314 ) $ 827,484 Corporate debt securities 376,581 2,062 (3,714 ) 374,929 U.S. government agency debt securities 256,498 300 (5,961 ) 250,837 Municipal bonds 177,632 275 (4,600 ) 173,307 Mutual funds 24,263 — (1,155 ) 23,108 $ 1,690,662 $ 3,747 $ (44,744 ) $ 1,649,665 December 31, 2017 Amortized Gross Unrealized Estimated (in thousands) Gains Losses U.S. government sponsored enterprise debt securities $ 889,396 $ 1,784 $ (15,514 ) $ 875,666 Corporate debt securities 310,781 3,446 (835 ) 313,392 U.S. government agency debt securities 293,908 870 (3,393 ) 291,385 Municipal bonds 179,524 2,343 (1,471 ) 180,396 Mutual funds 24,262 — (645 ) 23,617 U.S. treasury securities 2,700 2 (1 ) 2,701 $ 1,700,571 $ 8,445 $ (21,859 ) $ 1,687,157 At June 30, 2018 and December 31, 2017 , the Company had no foreign sovereign debt securities. The Company’s investment securities available for sale with unrealized losses that are deemed temporary, aggregated by length of time that individual securities have been in a continuous unrealized loss position, are summarized below: June 30, 2018 Less Than 12 Months 12 Months or More Total (in thousands) Estimated Unrealized Estimated Unrealized Estimated Unrealized U.S. government sponsored enterprise debt securities $ 298,313 $ (6,389 ) $ 482,682 $ (22,925 ) $ 780,995 $ (29,314 ) U.S. government agency debt securities 101,040 (1,949 ) 127,393 (4,012 ) 228,433 (5,961 ) Municipal bonds 59,772 (1,152 ) 72,742 (3,448 ) 132,514 (4,600 ) Corporate debt securities 219,052 (3,537 ) 4,714 (177 ) 223,766 (3,714 ) Mutual funds — — 22,865 (1,155 ) 22,865 (1,155 ) $ 678,177 $ (13,027 ) $ 710,396 $ (31,717 ) $ 1,388,573 $ (44,744 ) December 31, 2017 Less Than 12 Months 12 Months or More Total (in thousands) Estimated Unrealized Estimated Unrealized Estimated Unrealized U.S. government sponsored enterprise debt securities $ 333,232 $ (2,956 ) $ 485,555 $ (12,558 ) $ 818,787 $ (15,514 ) U.S. government agency debt securities 92,138 (728 ) 128,316 (2,665 ) 220,454 (3,393 ) Municipal bonds 4,895 (8 ) 76,003 (1,463 ) 80,898 (1,471 ) Corporate debt securities 94,486 (751 ) 3,694 (84 ) 98,180 (835 ) Mutual funds — — 23,375 (645 ) 23,375 (645 ) U.S. treasury securities — — 2,199 (1 ) 2,199 (1 ) $ 524,751 $ (4,443 ) $ 719,142 $ (17,416 ) $ 1,243,893 $ (21,859 ) At June 30, 2018 and December 31, 2017 debt securities issued by U.S. government-sponsored entities and agencies held by the Company were issued by institutions which the government has affirmed its commitment to support. The Company does not consider these securities to be other-than-temporarily impaired because the decline in fair value is attributable to changes in interest rates and investment securities markets, generally, and not credit quality. The Company does not have the intent to sell these debt securities and it is more likely than not that it will not be required to sell the securities before their anticipated recovery. Unrealized losses on municipal and corporate debt securities, at June 30, 2018 and December 31, 2017 , are attributable to changes in interest rates and investment securities markets, generally, and as a result, temporary in nature. The Company does not consider these securities to be other-than-temporarily impaired because the issuers of these debt securities are considered to be high quality, and management does not intend to sell these investments and it is more likely than not that it will not be required to sell these investments before their anticipated recovery. Amortized cost and approximate fair values of securities held to maturity, are summarized as follows: June 30, 2018 Amortized Gross Unrealized Estimated (in thousands) Gains Losses Securities Held to Maturity - U.S. government sponsored enterprise debt securities $ 85,497 $ — $ (3,486 ) $ 82,011 U.S. Government agency debt securities 2,943 — (83 ) 2,860 $ 88,440 $ — $ (3,569 ) $ 84,871 December 31, 2017 Amortized Gross Unrealized Estimated (in thousands) Gains Losses Securities Held to Maturity - U.S. government sponsored enterprise debt securities $ 86,826 $ 47 $ (441 ) $ 86,432 U.S. Government agency debt securities 3,034 — — 3,034 $ 89,860 $ 47 $ (441 ) $ 89,466 Contractual maturities of securities at June 30, 2018 are as follows: Available for Sale Held to Maturity (in thousands) Amortized Estimated Amortized Estimated Within 1 year $ 2,816 $ 2,808 $ — $ — After 1 year through 5 years 331,256 328,917 — — After 5 years through 10 years 253,954 249,963 — — After 10 years 1,078,373 1,044,869 88,440 84,871 No contractual maturities 24,263 23,108 — — $ 1,690,662 $ 1,649,665 $ 88,440 $ 84,871 At June 30, 2018 and December 31, 2017 , securities available for sale with a fair value of approximately $270 million and $246 million , respectively, were pledged as collateral to secure securities sold under agreements to repurchase and advances from the FHLB.

Loans

Loans	6 Months Ended
	Jun. 30, 2018
Receivables [Abstract]
Loans	Loans The loan portfolio consists of the following loan classes: (in thousands) June 30, December 31, Real estate loans Commercial real estate Non-owner occupied $ 1,864,645 $ 1,713,104 Multi-family residential 858,453 839,709 Land development and construction loans 402,830 406,940 3,125,928 2,959,753 Single-family residential 514,912 512,754 Owner-occupied 653,902 610,386 4,294,742 4,082,893 Commercial loans 1,432,033 1,354,755 Loans to financial institutions and acceptances 368,864 497,626 Consumer loans and overdrafts 123,910 130,951 $ 6,219,549 $ 6,066,225 The amounts above include loans under syndication facilities of approximately $1,048 million and $989 million at June 30, 2018 and December 31, 2017 , respectively. The following tables summarize international loans by country, net of loans fully collateralized with cash of approximately $28.0 million and $31.9 million at June 30, 2018 and December 31, 2017 , respectively. June 30, 2018 (in thousands) Brazil Venezuela Others (1) Total Real estate loans Single-family residential (2) $ 212 $ 136,681 $ 6,286 $ 143,179 Loans to financial institutions and acceptances 130,866 — 221,498 352,364 Commercial loans 5,974 — 98,003 103,977 Consumer loans and overdrafts (3) 3,653 35,137 7,598 46,388 $ 140,705 $ 171,818 $ 333,385 $ 645,908 __________________ (1) Loans to borrowers in 19 other countries; the total by country does not individually exceed 1% of total assets. (2) Mortgage loans secured by single-family residential properties located in the U.S. (3) Mostly comprised of credit card extensions of credit to customers with deposits with the Bank. Charging privileges are suspended, if the deposits decline below the authorized credit line. December 31, 2017 (in thousands) Brazil Venezuela Chile Others (1) Total Real estate loans Single-family residential (2) $ 219 $ 145,069 $ 179 $ 7,246 $ 152,713 Loans to financial institutions and acceptances 129,372 — 93,000 258,811 481,183 Commercial loans 8,451 — — 60,843 69,294 Consumer loans and overdrafts (3) 3,046 37,609 1,364 10,060 52,079 $ 141,088 $ 182,678 $ 94,543 $ 336,960 $ 755,269 __________________ (1) Loans to borrowers in 18 other countries; the total by country does not individually exceed 1% of total assets. (2) Mortgage loans secured by single-family residential properties located in the U.S. (3) Mostly comprised of credit card extensions of credit secured to customers with deposits with the Bank. Charging privileges are suspended, if the deposits decline below the authorized credit line. The analysis of the loan portfolio delinquencies by class, including nonaccrual loans, as of June 30, 2018 and December 31, 2017 are summarized in the following tables: June 30, 2018 Total Loans, Past Due Total Loans in Total Loans (in thousands) Current 30-59 60-89 Greater than Total Past Real estate loans Commercial real estate Non-owner occupied $ 1,864,645 $ 1,864,496 $ — $ — $ 149 $ 149 $ 10,510 $ — Multi-family residential 858,453 858,453 — — — — — — Land development and construction loans 402,830 402,830 — — — — — — 3,125,928 3,125,779 — — 149 149 10,510 — Single-family residential 514,912 508,426 919 1,127 4,440 6,486 6,334 — Owner-occupied 653,902 650,586 1,711 — 1,605 3,316 7,186 — 4,294,742 4,284,791 2,630 1,127 6,194 9,951 24,030 — Commercial loans 1,432,033 1,428,566 330 200 2,937 3,467 9,934 27 Loans to financial institutions and acceptances 368,864 368,864 — — — — — — Consumer loans and overdrafts 123,910 122,234 653 360 663 1,676 42 663 $ 6,219,549 $ 6,204,455 $ 3,613 $ 1,687 $ 9,794 $ 15,094 $ 34,006 $ 690 December 31, 2017 Total Loans, Past Due Total Loans in Total Loans (in thousands) Current 30-59 60-89 Greater than Total Past Real estate loans Commercial real estate Non-owner occupied $ 1,713,104 $ 1,712,624 $ — $ — $ 480 $ 480 $ 489 $ — Multi-family residential 839,709 839,709 — — — — — — Land development and construction loans 406,940 406,940 — — — — — — 2,959,753 2,959,273 — — 480 480 489 — Single-family residential 512,754 501,393 6,609 2,750 2,002 11,361 5,004 226 Owner-occupied 610,386 602,643 3,000 174 4,569 7,743 12,227 — 4,082,893 4,063,309 9,609 2,924 7,051 19,584 17,720 226 Commercial loans 1,354,755 1,350,667 385 5 3,698 4,088 8,947 — Loans to financial institutions and acceptances 497,626 497,626 — — — — — — Consumer loans and overdrafts 130,951 130,846 57 29 19 105 55 — $ 6,066,225 $ 6,042,448 $ 10,051 $ 2,958 $ 10,768 $ 23,777 $ 26,722 $ 226 At June 30, 2018 and December 31, 2017 , loans with an outstanding principal balance of $1,730 million and $1,476 million , respectively, were pledged as collateral to secure advances from the FHLB.

Allowance for Loan Losses

Allowance for Loan Losses	6 Months Ended
	Jun. 30, 2018
Receivables [Abstract]
Allowance for Loan Losses	Allowance for Loan Losses The analyses by loan segment of the changes in the allowance for loan losses for the three and six months periods ended June 30, 2018 and 2017 , and its allocation by impairment methodology and the related investment in loans, net as of June 30, 2018 and 2017 are summarized in the following tables: Three Months Ended June 30, 2018 (in thousands) Real Estate Commercial Financial Consumer Total Balances at beginning of the period $ 30,503 $ 33,672 $ 3,671 $ 4,272 $ 72,118 (Reversal of) provision for loan losses (1,814 ) (1,750 ) (354 ) 4,068 150 Loans charged-off Domestic — (2,355 ) — (98 ) (2,453 ) International — (52 ) — (230 ) (282 ) Recoveries 4 269 — 125 398 Balances at end of the period $ 28,693 $ 29,784 $ 3,317 $ 8,137 $ 69,931 Six Months Ended June 30, 2018 (in thousands) Real Estate Commercial Financial Consumer Total Balances at beginning of the period $ 31,290 $ 32,687 $ 4,362 $ 3,661 $ 72,000 (Reversal of) provision for loan losses (2,635 ) (1,215 ) (1,045 ) 5,045 150 Loans charged-off Domestic — (2,737 ) — (117 ) (2,854 ) International — (52 ) — (630 ) (682 ) Recoveries 38 1,101 — 178 1,317 Balances at end of the period $ 28,693 $ 29,784 $ 3,317 $ 8,137 $ 69,931 June 30, 2018 (in thousands) Real Estate Commercial Financial Consumer Total Allowance for loan losses by impairment methodology Individually evaluated $ 4,055 $ 2,252 $ — $ — $ 6,307 Collectively evaluated 24,638 27,532 3,317 8,137 63,624 $ 28,693 $ 29,784 $ 3,317 $ 8,137 $ 69,931 Investment in loans, net of unearned income Individually evaluated $ 11,078 $ 16,206 $ — $ 306 $ 27,590 Collectively evaluated 3,078,004 2,184,226 371,498 558,231 6,191,959 $ 3,089,082 $ 2,200,432 $ 371,498 $ 558,537 $ 6,219,549 Three Months Ended June 30, 2017 (in thousands) Real Estate Commercial Financial Consumer Total Balances at beginning of the period $ 32,471 $ 36,658 $ 5,615 $ 4,619 $ 79,363 Provision for (reversal of) loan losses 2,262 4,760 (1,639 ) (1,737 ) 3,646 Loans charged-off Domestic — (1,097 ) — (15 ) (1,112 ) International — (143 ) — (258 ) (401 ) Recoveries 107 23 — 1,080 1,210 Balances at end of the period $ 34,840 $ 40,201 $ 3,976 $ 3,689 $ 82,706 Six Months Ended June 30, 2017 (in thousands) Real Estate Commercial Financial Consumer Total Balances at beginning of the period $ 30,713 $ 40,897 $ 5,304 $ 4,837 $ 81,751 Provision for (reversal of) loan losses 4,056 6,695 (1,328 ) (1,680 ) 7,743 Loans charged-off Domestic (97 ) (1,415 ) — (128 ) (1,640 ) International — (6,042 ) — (477 ) (6,519 ) Recoveries 168 66 — 1,137 1,371 Balances at end of the period $ 34,840 $ 40,201 $ 3,976 $ 3,689 $ 82,706 June 30, 2017 (in thousands) Real Estate Commercial Financial Consumer Total Allowance for loan losses by impairment methodology Individually evaluated $ — $ 3,407 $ — $ — $ 3,407 Collectively evaluated 34,840 36,794 3,976 3,689 79,299 $ 34,840 $ 40,201 $ 3,976 $ 3,689 $ 82,706 Investment in loans, net of unearned income Individually evaluated $ 13,733 $ 36,855 $ — $ 2,277 $ 52,865 Collectively evaluated 2,708,546 2,351,544 424,434 539,976 6,024,500 $ 2,722,279 $ 2,388,399 $ 424,434 $ 542,253 $ 6,077,365 The following is a summary of the recorded investment amount of loan sales by portfolio segment: Three Months Ended June 30, Real Estate Commercial Financial Consumer Total 2018 $ 5,049 $ 5,774 $ — $ — $ 10,823 2017 $ 2,045 $ 7,696 $ — $ — $ 9,741 Six Months Ended June 30, Real Estate Commercial Financial Consumer Total 2018 $ 8,007 $ 15,774 $ — $ — $ 23,781 2017 $ 3,922 $ 35,057 $ 24,277 $ — $ 63,256 The following is a summary of impaired loans as of June 30, 2018 and December 31, 2017 : June 30, 2018 Recorded Investment (in thousands) With a Valuation Allowance Without a Valuation Allowance Total Year-To-Date Average Total Unpaid Principal Balance Valuation Allowance Real estate loans Commercial real estate Non-owner occupied $ 10,352 $ — $ 10,352 $ 8,734 $ 10,402 $ 4,055 Multi-family residential — 726 726 927 731 — Land development and construction loans — — — — — — 10,352 726 11,078 9,661 11,133 4,055 Single-family residential — 306 306 746 297 — Owner-occupied — 6,303 6,303 6,918 6,222 — 10,352 7,335 17,687 17,325 17,652 4,055 Commercial loans 4,572 5,331 9,903 8,939 18,302 2,252 $ 14,924 $ 12,666 $ 27,590 $ 26,264 $ 35,954 $ 6,307 During the three and six months ended June 30, 2018, the Company recognized interest income of $83 thousand and $108 thousand , respectively, on impaired loans. December 31, 2017 Recorded Investment (in thousands) With a Valuation Allowance Without a Valuation Allowance Total Year Average Total Unpaid Principal Balance Valuation Allowance Real estate loans Commercial real estate Non-owner occupied $ — $ 327 $ 327 $ 225 $ 327 $ — Multi-family residential — 1,318 1,318 7,898 1,330 — Land development and construction loans — — — 1,359 — — — 1,645 1,645 9,482 1,657 — Single-family residential — 877 877 3,100 871 — Owner-occupied — 10,918 10,918 13,440 12,323 — — 13,440 13,440 26,022 14,851 — Commercial loans 7,173 1,986 9,159 18,211 14,784 2,866 $ 7,173 $ 15,426 $ 22,599 $ 44,233 $ 29,635 $ 2,866 During the three and six months ended June 30, 2017, the Company recognized interest income of $1.1 million on impaired loans. The recorded investment in loans considered troubled debt restructurings (“TDRs”) completed during the six months ended June 30, 2018 totaled approximately $12.9 million , which includes $10.4 million in a commercial real estate non-owner occupied loan, $1.9 million in a real estate owner-occupied loan and $0.6 million in a commercial loan. During the six months ended June 30, 2018, the Company charged off $1.1 million as a result of these TDR loans. In the six months ended June 30, 2018, there were no TDRs completed since June 30, 2017 which subsequently defaulted under the modified terms of the loan agreement. As of June 30, 2018, all TDR loans were real estate and commercial loans under modified terms that did not substantially impact the allowance for loan losses since the recorded investment in these impaired loans corresponded to their realizable value, which approximated their fair values, or higher, prior to their designation as TDR. Credit Risk Quality The Company’s investment in loans by credit quality indicators as of June 30, 2018 and December 31, 2017 are summarized in the following tables: June 30, 2018 Credit Risk Rating Classified (in thousands) Nonclassified Substandard Doubtful Loss Total Real estate loans Commercial real estate Non-owner occupied $ 1,854,135 $ 10,510 $ — $ — $ 1,864,645 Multi-family residential 858,453 — — — 858,453 Land development and construction loans 402,830 — — — 402,830 3,115,418 10,510 — — 3,125,928 Single-family residential 508,578 6,334 — — 514,912 Owner-occupied 644,363 9,539 — — 653,902 4,268,359 26,383 — — 4,294,742 Commercial loans 1,421,122 8,891 2,020 — 1,432,033 Loans to financial institutions and acceptances 368,864 — — — 368,864 Consumer loans and overdrafts 118,176 5,734 — — 123,910 $ 6,176,521 $ 41,008 $ 2,020 $ — $ 6,219,549 December 31, 2017 Credit Risk Rating Classified (in thousands) Nonclassified Substandard Doubtful Loss Total Real estate loans Commercial real estate Non-owner occupied $ 1,712,615 $ 489 $ — $ — $ 1,713,104 Multi-family residential 839,709 — — — 839,709 Land development and construction loans 406,940 — — — 406,940 2,959,264 489 — — 2,959,753 Single-family residential 506,885 5,869 — — 512,754 Owner-occupied 596,519 13,867 — — 610,386 4,062,668 20,225 — — 4,082,893 Commercial loans 1,340,643 14,112 — — 1,354,755 Loans to financial institutions and acceptances 497,626 — — — 497,626 Consumer loans and overdrafts 126,838 4,113 — — 130,951 $ 6,027,775 $ 38,450 $ — $ — $ 6,066,225

Time Deposits

Time Deposits	6 Months Ended
	Jun. 30, 2018
Banking and Thrift [Abstract]
Time Deposits	Time Deposits Time deposits in denominations of $100,000 or more amounted to approximately $1.4 billion and $1.2 billion at June 30, 2018 and December 31, 2017 , respectively. Time deposits in denominations of $250,000 or more amounted to approximately $723 million and $624 million at June 30, 2018 and December 31, 2017 , respectively. Time deposits include brokered time deposits, all in denominations of less than $100,000 . As of June 30, 2018 and December 31, 2017 brokered time deposits amounted to $738 million and $780 million , respectively.

Advances From the Federal Home

Advances From the Federal Home Loan Bank and Other Borrowings	6 Months Ended
	Jun. 30, 2018
Banking and Thrift [Abstract]
Advances From the Federal Home Loan Bank and Other Borrowings	Advances From the Federal Home Loan Bank and Other Borrowings The Company had outstanding advances from the FHLB and other borrowings. These borrowings bear fixed interest rates or variable rates based on 3-month LIBOR as follows: Year of Maturity Interest June 30, 2018 December 31, 2017 (in thousands, except percentages) 2018 0.90% to 2.38% $ 417,000 $ 567,000 2019 1.00% to 3.86% 225,000 155,000 2020 1.50% to 2.74% 306,000 211,000 2021 1.93% to 2.50% 190,000 240,000 2022 2.48% to 2.80% 120,000 — $ 1,258,000 $ 1,173,000

Derivative Instruments

Derivative Instruments	6 Months Ended
	Jun. 30, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Instruments	Derivative Instruments At June 30, 2018 and December 31, 2017 the fair values of the Company’s derivative instruments were as follows: June 30, 2018 December 31, 2017 (in thousands) Other Assets Other Liabilities Other Assets Other Liabilities Interest rate swaps designated as cash flow hedges $ 14,417 $ — $ 5,462 $ — Interest rate swaps not designated as hedging instruments: Customers 304 — 1,375 — Third party broker — 304 — 1,375 304 304 1,375 1,375 Interest rate caps not designated as hedging instruments: Customers — 1,084 — 195 Third party broker 1,084 — 195 — 1,084 1,084 195 195 $ 15,805 $ 1,388 $ 7,032 $ 1,570 Derivatives Designated as Hedging Instruments At June 30, 2018 and December 31, 2017 the Company’s interest rate swaps designated as cash flow hedges involve the payment of fixed-rate amounts in exchange for the Company receiving variable-rate payments over the life of the agreements without exchange of the underlying notional amount. As of June 30, 2018 and December 31, 2017 , respectively, the Company had 16 and 15 interest rate swap contracts with total notional amounts of $280 million and $255 million , respectively, that were designated as cash flow hedges of floating rate interest payments on the currently outstanding and expected subsequent rollover of FHLB advances. The Company expects the hedge relationships to be highly effective in offsetting the effects of changes in interest rates in the cash flows associated with the advances from the FHLB. No hedge ineffectiveness gains or losses were recognized in the three and six months ended June 30, 2018 and 2017 . Derivatives Not Designated as Hedging Instruments At June 30, 2018 and December 31, 2017 , the Company had two and one interest rate swap contracts with customers with a total notional amount of $57.8 million and $54.6 million , respectively. These instruments involve a variable-rate payment to the customer in exchange for the Company receiving from the customer a fixed-rate payment over the life of the contract. In addition, at June 30, 2018 and December 31, 2017 , the Company had interest rate swap mirror contracts with a third party broker with similar terms. At June 30, 2018 and December 31, 2017 , the Company had eleven and seven interest rate cap contracts with customers with a total notional amount of $275.7 million and $162.1 million , respectively. In addition, at June 30, 2018 and December 31, 2017 , the Company had interest rate cap mirror contracts with a third party broker with similar terms.

Income Taxes

Income Taxes	6 Months Ended
	Jun. 30, 2018
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Company uses an estimated annual effective tax rate method in computing its interim tax provision. This effective tax rate is based on forecast annual consolidated pre-tax income, permanent tax differences and statutory tax rates. Under this method, the tax effect of certain items that do not meet the definition of ordinary income or expense are computed and recognized as discrete items when they occur. The effective combined federal and state tax rates for the six months ended June 30, 2018 and 2017 were 26.80% and 30.21% , respectively. Effective tax rates differ from the statutory rates mainly due to the impact of forecast permanent non-taxable interest and other income, and the impact of permanent non-deductible discrete expense items incurred during the period, which primarily include the non-deductible Spin-off costs and the effect of corporate state taxes.

Accumulated Other Comprehensive

Accumulated Other Comprehensive Loss (“AOCL”)	6 Months Ended
	Jun. 30, 2018
Equity [Abstract]
Accumulated Other Comprehensive Loss (“AOCL”)	Accumulated Other Comprehensive Loss (“AOCL”): The components of AOCL are summarized as follows using applicable blended average federal and state tax rates for each period: June 30, 2018 December 31, 2017 (in thousands) Before Tax Tax Net of Tax Before Tax Tax Net of Tax Unrealized losses on available for sale securities $ (40,997 ) $ 10,023 $ (30,974 ) $ (13,415 ) $ 2,884 $ (10,531 ) Unrealized gains on interest rate swaps designated as cash flow hedges 14,417 (3,496 ) $ 10,921 5,602 (1,204 ) $ 4,398 Total AOCL $ (26,580 ) $ 6,527 $ (20,053 ) $ (7,813 ) $ 1,680 $ (6,133 ) The components of other comprehensive loss for the periods presented is summarized as follows: Three Months Ended June 30, 2018 2017 (in thousands) Before Tax Tax Net of Tax Before Tax Tax Net of Tax Unrealized (losses) gains on available for sale securities: Change in fair value arising during the period $ (6,716 ) $ 1,262 $ (5,454 ) $ 9,271 $ (3,291 ) $ 5,980 Reclassification adjustment for net gains included in net income (16 ) 4 (12 ) (177 ) 63 (114 ) (6,732 ) 1,266 (5,466 ) 9,094 (3,228 ) 5,866 Unrealized gains (losses) on interest rate swaps designated as cash flow hedges: Change in fair value arising during the period 2,574 (435 ) 2,139 (2,253 ) 800 (1,453 ) Reclassification adjustment for net interest expense included in net income 19 (5 ) 14 32 (11 ) 21 2,593 (440 ) 2,153 (2,221 ) 789 (1,432 ) Total other comprehensive (loss) income $ (4,139 ) $ 826 $ (3,313 ) $ 6,873 $ (2,439 ) $ 4,434 Six Months Ended June 30, 2018 2017 (in thousands) Before Tax Tax Net of Tax Before Tax Tax Net of Tax Unrealized (losses) gains on available for sale securities: Change in fair value arising during the period $ (27,566 ) $ 7,135 $ (20,431 ) $ 11,708 $ (4,156 ) $ 7,552 Reclassification adjustment for net gains included in net income (16 ) 4 (12 ) (155 ) 55 (100 ) (27,582 ) 7,139 (20,443 ) 11,553 (4,101 ) 7,452 Unrealized gains (losses) on interest rate swaps designated as cash flow hedges: Change in fair value arising during the period 8,608 (2,256 ) 6,352 (2,008 ) 713 (1,295 ) Reclassification adjustment for net interest expense included in net income 207 (36 ) 171 82 (29 ) 53 8,815 (2,292 ) 6,523 (1,926 ) 684 (1,242 ) Total other comprehensive (loss) income $ (18,767 ) $ 4,847 $ (13,920 ) $ 9,627 $ (3,417 ) $ 6,210

Commitments and Contingencies

Commitments and Contingencies	6 Months Ended
	Jun. 30, 2018
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies The Company and its subsidiaries are party to various legal actions arising in the ordinary course of business. In the opinion of management, the outcome of these proceedings litigation will not have a significant effect on the Company’s consolidated financial position or results of operations. The Company occupies various banking centers under noncancelable lease agreements expiring through the year 2046. Actual rental expenses may include deferred rents that are recognized as rent expense on a straight line basis. Rent expense under these leases was approximately $1.6 million and $1.4 million for the three months ended June 30, 2018 and 2017 , respectively, and $3.0 million for each of the six months ended June 30, 2018 and 2017 . Financial instruments whose contract amount represents off-balance sheet credit risk at June 30, 2018 are generally short-term and are as follows: (in thousands) Approximate Commitments to extend credit $ 750,440 Credit card facilities 200,912 Standby letters of credit 19,271 Commercial letters of credit 4,718 $ 975,341

Fair Value Measurements

Fair Value Measurements	6 Months Ended
	Jun. 30, 2018
Fair Value Disclosures [Abstract]
Fair Value Measurements	Fair Value Measurements Assets and liabilities measured at fair value on a recurring basis are summarized below: June 30, 2018 (in thousands) Quoted Third-Party Internal Total Assets Securities available for sale U.S. government sponsored enterprise debt securities $ — $ 827,484 $ — $ 827,484 Corporate debt securities — 374,929 — 374,929 U.S. government agency debt securities — 250,837 — 250,837 Municipal bonds — 173,307 — 173,307 Mutual funds — 23,108 — 23,108 — 1,649,665 — 1,649,665 Bank owned life insurance — 203,236 — 203,236 Derivative instruments — 15,805 — 15,805 $ — $ 1,868,706 $ — $ 1,868,706 Liabilities Derivative instruments $ — $ 1,388 $ — $ 1,388 December 31, 2017 (in thousands) Quoted Third-Party Internal Total Assets Securities available for sale U.S. government sponsored enterprise debt securities $ — $ 875,666 $ — $ 875,666 Corporate debt securities — 313,392 — 313,392 U.S. government agency debt securities — 291,385 — 291,385 Municipal bonds — 180,396 — 180,396 Mutual funds — 23,617 — 23,617 U.S. treasury securities — 2,701 — 2,701 — 1,687,157 — 1,687,157 Bank owned life insurance — 200,318 — 200,318 Derivative instruments — 7,032 — 7,032 $ — $ 1,894,507 $ — $ 1,894,507 Liabilities Derivative instruments $ — $ 1,570 $ — $ 1,570 Level 2 Valuation Techniques The valuation of securities and derivative instruments is performed through a monthly pricing process using data provided by third parties considered leading global providers of independent data pricing services (the “Pricing Providers”). These Pricing Providers collect, use and incorporate descriptive market data from various sources, quotes and indicators from leading broker dealers to generate independent and objective valuations. The valuation techniques and the inputs used in our consolidated financial statements to measure the fair value of our recurring Level 2 financial instruments consider, among other factors, the following: • Similar securities actively traded which are selected from recent market transactions; • Observable market data which includes spreads in relationship to LIBOR, swap curve, and prepayment speed rates, as applicable; and • The actual interest rate spread and prepayment speed are used to obtain the fair value for each related security. On a quarterly basis, the Company evaluates the reasonableness of the monthly pricing process for the valuation of securities and derivative instruments. This evaluation includes challenging a random sample of the different types of securities in the investment portfolio as of the end of the quarter selected. This challenge consists of obtaining from the Pricing Providers a document explaining the methodology applied to obtain their fair value assessments for each type of investment included in the sample selection. The Company then analyzes in detail the various inputs used in the fair value calculation, both observable and unobservable (e.g., prepayment speeds, yield curve benchmarks, spreads, delinquency rates). Management considers that the consistent application of this methodology allows the Company to understand and evaluate the categorization of its investment portfolio. The methods described above may produce a fair value calculation that may differ from the net realizable value or may not be reflective of future fair values. Furthermore, while the Company believes its valuation methods are appropriate and consistent with other market participants, the use of different methodologies or assumptions to determine the fair value of its financial instruments could result in different estimates of fair value at the reporting date. Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis There were no assets or liabilities measured at fair value on a nonrecurring basis at June 30, 2018 . The following table presents the major category of assets measured at fair value on a nonrecurring basis at December 31, 2017 : December 31, 2017 (in thousands) Quoted Prices in Active Markets for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Other Unobservable Inputs (Level 3) Total Impairments Description Loans held for sale $ 5,611 $ — $ — $ — Loans Held for Sale. The Company measures the impairment of loans held for sale based on the amount by which the carrying values of those loans exceed their fair values. The Company primarily uses independent third party quotes to measure any subsequent decline in the value of loans held for sale. As a consequence, the fair value of these loans held for sale are considered a Level 1 valuation. Fair Value of Financial Instruments The fair value of a financial instrument represents the price that would be received from its sale in an orderly transaction between market participants at the measurement date. The best indication of the fair value of a financial instrument is determined based upon quoted market prices. However, in many cases, there are no quoted market prices for the Company’s various financial instruments. As a result, the Company derives the fair value of the financial instruments held at the reporting period-end, in part, using present value or other valuation techniques. Those techniques are significantly affected by management’s assumptions, the estimated amount and timing of future cash flows and estimated discount rates included in present value and other techniques. The use of different assumptions could significantly affect the estimated fair values of the Company’s financial instruments. Accordingly, the net realized values could be materially different from the estimates presented below. The following methods and assumptions were used to estimate the fair value of each class of financial instruments for which it is practicable to estimate that value: • Because of their nature and short-term maturities, the carrying values of the following financial instruments were used as a reasonable estimate of their fair value: cash and cash equivalents, interest earning deposits with banks, variable-rate loans with re-pricing terms shorter than twelve months, demand and savings deposits, short-term time deposits and other borrowings. • The fair value of loans held for sale, securities, bank owned life insurance and derivative instruments, are based on quoted market prices, when available. If quoted market prices are unavailable, fair value is estimated using the pricing process described in Note 17 to the audited consolidated financial statements for the three years ended December 31, 2017 and as of December 31, 2017 and 2016 . • The fair value of commitments and letters of credit is based on the assumption that the Company will be required to perform on all such instruments. The commitment amount approximates estimated fair value. • The fair value of fixed-rate loans, advances from the FHLB, and junior subordinated debentures are estimated using a present value technique by discounting the future expected contractual cash flows using the current rates at which similar instruments would be issued with comparable credit ratings and terms at the measurement date. • The fair value of long-term time deposits, including certificates of deposit, is determined using a present value technique by discounting the future expected contractual cash flows using current rates at which similar instruments would be issued at the measurement date. The estimated fair value of financial instruments where fair value differs from carrying value are as follows: June 30, 2018 December 31, 2017 (in thousands) Carrying Estimated Carrying Estimated Financial assets Loans $ 2,754,445 $ 2,650,581 $ 2,682,790 $ 2,566,197 Financial liabilities Time deposits 1,714,145 1,702,150 1,466,464 1,461,908 Advances from the Federal Home Loan Bank 1,256,000 1,252,087 1,161,000 1,164,686 Junior subordinated debentures 118,110 99,304 118,110 95,979

Segment Information

Segment Information	6 Months Ended
	Jun. 30, 2018
Segment Reporting [Abstract]
Segment Information	Segment Information The following tables provide a summary of the Company’s financial information as of June 30, 2018 and December 31, 2017 and for the three and six months periods ended June 30, 2018 and 2017 on a managed basis. The Company’s definition of managed basis starts with the reported U.S. GAAP results and includes funds transfer pricing (“FTP”) compensation and allocations of direct and indirect expenses from overhead, internal support centers, and product support centers. This allows management to assess the comparability of results from period-to-period arising from segment operations. The corresponding income tax impact related to tax-exempt items is recorded within income tax (expense)/benefit. (in thousands) Personal and Commercial Banking ("PAC") Corporate LATAM Treasury Institutional Total Three Months Ended June 30, 2018 Income Statement: Net interest income $ 47,105 $ 1,219 $ 1,942 $ 3,723 $ 53,989 Provision for (reversal of) loan losses 824 494 (329 ) (839 ) 150 Net interest income after provision for (reversal of) loan losses 46,281 725 2,271 4,562 53,839 Noninterest income 5,708 89 3,451 5,738 14,986 Noninterest expense 39,329 1,468 2,832 9,009 52,638 Net income (loss) before income tax: Banking 12,660 (654 ) 2,890 1,291 16,187 Non-banking contribution (1) 1,197 11 — (1,208 ) — 13,857 (643 ) 2,890 83 16,187 Income tax (expense) benefit (4,486 ) 58 84 (1,420 ) (5,764 ) Net income (loss) $ 9,371 $ (585 ) $ 2,974 $ (1,337 ) $ 10,423 (in thousands) Personal and Commercial Banking ("PAC") Corporate LATAM Treasury Institutional Total Six Months Ended June 30, 2018 Income Statement: Net interest income $ 93,786 $ 2,699 $ 2,898 $ 7,239 $ 106,622 (Reversal of) provision for loan losses (1,315 ) (225 ) (446 ) 2,136 150 Net interest income after (reversal of) provision for loan losses 95,101 2,924 3,344 5,103 106,472 Noninterest income 11,416 198 5,401 11,916 28,931 Noninterest expense 79,343 2,643 5,794 20,503 108,283 Net income (loss) before income tax: Banking 27,174 479 2,951 (3,484 ) 27,120 Non-banking contribution (1) 1,247 — — (1,247 ) — 28,421 479 2,951 (4,731 ) 27,120 Income tax (expense) benefit (6,707 ) (113 ) 396 (844 ) (7,268 ) Net income (loss) $ 21,714 $ 366 $ 3,347 $ (5,575 ) $ 19,852 (in thousands) Personal and Commercial Banking ("PAC") Corporate LATAM Treasury Institutional Total As of June 30, 2018 Loans, net (2) $ 5,826,731 $ 394,572 $ — $ (71,685 ) $ 6,149,618 Deposits $ 5,567,424 $ 20,134 $ 737,898 $ 37,682 $ 6,363,138 (in thousands) Personal and Commercial Banking ("PAC") Corporate LATAM Treasury Institutional Total Three Months Ended June 30, 2017 Income Statement: Net interest income $ 43,776 $ 2,339 $ 2,268 $ 3,058 $ 51,441 Provision for (reversal of) loan losses 8,681 (1,845 ) (819 ) (2,371 ) 3,646 Net interest income after provision for (reversal of) loan losses 35,095 4,184 3,087 5,429 47,795 Noninterest income 8,062 148 2,933 6,616 17,759 Noninterest expense 38,618 1,135 2,445 8,467 50,665 Net income before income tax: Banking 4,539 3,197 3,575 3,578 14,889 Non-banking contribution (1) 1,263 24 — (1,287 ) — 5,802 3,221 3,575 2,291 14,889 Income tax expense (2,001 ) (1,147 ) (446 ) (905 ) (4,499 ) Net income $ 3,801 $ 2,074 $ 3,129 $ 1,386 $ 10,390 (in thousands) Personal and Commercial Banking ("PAC") Corporate LATAM Treasury Institutional Total Six Months Ended June 30, 2017 Income Statement: Net interest income $ 85,164 $ 4,903 $ 4,593 $ 5,132 $ 99,792 Provision for (reversal of) loan losses 9,812 358 (894 ) (1,533 ) 7,743 Net interest income after provision for (reversal of) loan losses 75,352 4,545 5,487 6,665 92,049 Noninterest income 14,145 275 4,113 13,443 31,976 Noninterest expense 78,495 2,517 5,194 13,607 99,813 Net income before income tax: Banking 11,002 2,303 4,406 6,501 24,212 Non-banking contribution (1) 2,349 22 — (2,371 ) — 13,351 2,325 4,406 4,130 24,212 Income tax expense (4,730 ) (823 ) (59 ) (1,703 ) (7,315 ) Net income $ 8,621 $ 1,502 $ 4,347 $ 2,427 $ 16,897 (in thousands) Personal and Commercial Banking ("PAC") Corporate LATAM Treasury Institutional Total As of December 31, 2017 Loans, net (2)(3) $ 5,542,545 $ 521,616 $ — $ (64,325 ) $ 5,999,836 Deposits $ 5,454,216 $ 18,670 $ 779,969 $ 70,118 $ 6,322,973 __________________ (1) Non-banking contribution reflects allocations of the net results of the Trust Company and Investment Services subsidiaries to the customers’ primary business unit. (2) Provisions for the periods presented are allocated to each applicable reportable segment. The allowance for loan losses and unearned deferred loan costs and fees are reported entirely within Institutional. (3) Balances include loans held for sale of $5,611 thousand which are allocated to PAC.

Basis of Presentation and Sum20

Basis of Presentation and Summary of Significant Accounting Policies (Policies)	6 Months Ended
	Jun. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Estimates	Estimates The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Significant estimates made by management include: i) the determination of the allowance for loan losses; (ii) the fair values of securities, bank owned life insurance and the reporting unit to which goodwill has been assigned during the annual goodwill impairment test; and (iii) the determination of whether the amount of deferred tax assets will more likely than not be realized. Management believes that these estimates are appropriate. Actual results could differ from these estimates.
Recently Issued Accounting Pronouncements	Recently Issued Accounting Pronouncements Emerging Growth Company Section 107 of the JOBS Act provides that, as an “emerging growth company” we can take advantage of the extended transition period provided in Section 7(a)(2)(B) of the Securities Act for complying with new or revised accounting standards. Therefore, an “emerging growth company” can delay the adoption of certain accounting standards until those standards would otherwise apply to private companies. We intend to take advantage of the benefits of this extended transition period, for as long as it is available. Changes to the Disclosure Requirements for Fair Value Measurements In August 2018, the Financial Accounting Standards Board (“FASB”) issued amendments to the disclosure requirements for fair value measurements. The amendments modify the fair value measurements disclosures with the primary focus to improve effectiveness of disclosures in the notes to the financial statements that is most important to the users. The new guidance modifies the required disclosures related to the valuation techniques and inputs used, uncertainty in measurement, and changes in measurements applied. These amendments are effective for all entities for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019. Early adoption is permitted. The Company is currently assessing the impact this new guidance may have on the Company’s consolidated financial statements and footnote disclosures. Narrow Amendments to Pending New Guidance on Leases In July 2018, the FASB issued amendments to narrow aspects of the new guidance issued in February 2016 for the recognition and measurement of all leases which is not yet effective. These amendments, and the related pending new guidance, are effective for fiscal years beginning after December 15, 2019, and interim periods within fiscal years beginning after December 15, 2020, for private companies, and for fiscal periods beginning after Decem ber 15, 2018, and interim periods within those fiscal years, for public companies. Early adoption is permitted. The Company is in the process of determining whether these amendments and the related new pending guidance will have a material effect on its consolidated financial statements, when adopted. Removal of Outdated OCC Guidance In May 2018, the FASB issued amendments which removed outdated guidance related to the Office of the Comptroller of the Currency (“OCC”)’s Banking Circular 202, Accounting for Net Deferred Tax Changes . This guidance, which limited the net deferred tax debits that can be carried on a bank’s statement of condition for regulatory purposes, has been rescinded by the OCC. These amendments became effective immediately upon issuance and had no impact to the Company’s interim unaudited consolidated financial statements. Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income In February 2018, the FASB issued guidance that allows a reclassification from AOCI to retained earnings for stranded tax effects resulting from the newly enacted federal corporate income tax rate. The amount of the reclassification is the difference between the historical corporate income tax rate and the newly enacted 21% corporate income tax rate pursuant to H.R. 1, An Act to Provide for Reconciliation Pursuant to Titles II and V of the Concurrent Resolution on the Budget for Fiscal year 2018, known as the Tax Cuts and Jobs Act of 2017 (“the 2017 Tax Act”). This guidance is effective for all entities for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted for (1) public business entities for reporting periods for which financial statements have not been issued, and (2) for other entities for reporting periods for which financial statements have not yet been made available for issuance. The Company early-adopted this guidance and reclassified the effect of remeasuring net deferred tax assets related to items within AOCI to retained earnings resulting in a $1.1 million increase in retained earnings in 2017. Targeted Improvements to Accounting for Hedging Activities In August 2017, the FASB issued targeted amendments to the guidance for recognition, presentation and disclosure of hedging activities. These targeted amendments expand and refine hedge accounting for both nonfinancial and financial risk components and align the recognition and presentation of the effects of the hedging instrument and the hedged item in the financial statements. The amendments also simplify the application of hedge accounting guidance. This guidance is effective for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years for public business entities. For all other entities, the amendments are effective for fiscal years beginning after December 15, 2019, and interim periods within fiscal years beginning after December 15, 2020. The Company is in the process of determining whether the adoption of this guidance will have a material impact on the Company’s consolidated financial statements and disclosures. Statement of Cash Flows Classification of Certain Receipts and Payments In August 2016 , the FASB issued specific guidance for the classification of a number of cash receipts and payments, including debt prepayment or debt extinguishment costs, settlement of zero-coupon debt instruments or other debt instruments with coupon interest rates that are insignificant in relation to the effective interest rate of the borrowing, proceeds from the settlement of insurance claims and proceeds from the settlement of bank-owned life insurance policies. The new guidance is effective for years beginning after December 15, 2018, and interim periods within fiscal years beginning after December 15, 2019, for private companies, and for years beginning after December 15, 2017 and interim periods within those fiscal years for public companies. Early adoption is permitted. The Company is in the process of understanding whether this new guidance will have a material impact on its consolidated statement of cash flows when adopted. Accounting for Credit Losses on Financial Instruments In June 2016, the FASB issued new guidance for the accounting for credit losses on instruments within its scope. The new guidance introduces an approach based on expected losses to estimate credit losses on certain types of financial instruments. It also modifies the impairment model for available-for-sale debt securities and provides for a simplified accounting model for purchased financial assets with credit deterioration since their origination. The standard is effective for fiscal years beginning after December 15, 2020, and interim periods within fiscal years beginning after December 15, 2021, for private companies, and for fiscal years beginning after December 15, 2019, and interim periods within those fiscal years, for public companies. Early adoption is permitted for fiscal years beginning after December 15, 2018. The Company is in the process of determining whether these changes will have a material impact on its consolidated financial position or results of operations or disclosures. Accounting for Leases In February 2016, the FASB issued guidance for the recognition and measurement of all leases. The new guidance requires lessees to recognize a right-of-use asset and a lease liability for most leases within the scope of the guidance. There were no significant changes to the guidance for lessors. The standard is effective for fiscal years beginning after December 15, 2019, and interim periods within fiscal years beginning after December 15, 2020, for private companies, and for fiscal periods beginning after December 15, 2018, and interim periods within those fiscal years, for public companies. Early adoption is permitted. The new standard must be adopted using a modified retrospective transition at the beginning of the earliest comparative period presented, and provides for certain practical expedients. The Company is in the process of determining whether this new guidance will have a material impact on its consolidated financial position, results of operations and disclosures, when adopted. Recognition and Measurement of Financial Instruments In January 2016, the FASB issued changes to the guidance on the recognition and measurement of financial instruments. The changes include, among others, the removal of the available-for-sale category for equity securities and updates to certain disclosure requirements. This standard is effective for annual reporting periods beginning after December 15, 2018, and interim periods within fiscal years beginning after December 15, 2019, for private companies, and for fiscal periods beginning December 15, 2017, and interim periods within those fiscal years, for public companies, with limited early adoption permitted. The Company is in the process of determining whether these changes will have a material impact on its consolidated financial position or results of operations or disclosures. Revenue from Contracts with Customers In May 2014, the FASB issued a common revenue standard for recognizing revenue from contracts with customers. This new standard establishes principles for reporting information about the nature, amount, timing, and uncertainty of revenue and cash flows arising from an entity’s contracts with customers. The core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The amended effective date is annual reporting periods beginning after December 15, 2018, and interim periods beginning after December 15, 2019, for private companies, and for annual reporting periods beginning after December 15, 2017, and interim periods within that reporting period, for public companies. Earlier adoption continues to be permitted. The Company is in the process of determining whether the new guidance will have a material impact on its consolidated financial position or results of operations.
Fair Value Measurement	The valuation of securities and derivative instruments is performed through a monthly pricing process using data provided by third parties considered leading global providers of independent data pricing services (the “Pricing Providers”). These Pricing Providers collect, use and incorporate descriptive market data from various sources, quotes and indicators from leading broker dealers to generate independent and objective valuations. The valuation techniques and the inputs used in our consolidated financial statements to measure the fair value of our recurring Level 2 financial instruments consider, among other factors, the following: • Similar securities actively traded which are selected from recent market transactions; • Observable market data which includes spreads in relationship to LIBOR, swap curve, and prepayment speed rates, as applicable; and • The actual interest rate spread and prepayment speed are used to obtain the fair value for each related security. On a quarterly basis, the Company evaluates the reasonableness of the monthly pricing process for the valuation of securities and derivative instruments. This evaluation includes challenging a random sample of the different types of securities in the investment portfolio as of the end of the quarter selected. This challenge consists of obtaining from the Pricing Providers a document explaining the methodology applied to obtain their fair value assessments for each type of investment included in the sample selection. The Company then analyzes in detail the various inputs used in the fair value calculation, both observable and unobservable (e.g., prepayment speeds, yield curve benchmarks, spreads, delinquency rates). Management considers that the consistent application of this methodology allows the Company to understand and evaluate the categorization of its investment portfolio. The methods described above may produce a fair value calculation that may differ from the net realizable value or may not be reflective of future fair values. Furthermore, while the Company believes its valuation methods are appropriate and consistent with other market participants, the use of different methodologies or assumptions to determine the fair value of its financial instruments could result in different estimates of fair value at the reporting date.
Fair Value of Financial Instruments	Fair Value of Financial Instruments The fair value of a financial instrument represents the price that would be received from its sale in an orderly transaction between market participants at the measurement date. The best indication of the fair value of a financial instrument is determined based upon quoted market prices. However, in many cases, there are no quoted market prices for the Company’s various financial instruments. As a result, the Company derives the fair value of the financial instruments held at the reporting period-end, in part, using present value or other valuation techniques. Those techniques are significantly affected by management’s assumptions, the estimated amount and timing of future cash flows and estimated discount rates included in present value and other techniques. The use of different assumptions could significantly affect the estimated fair values of the Company’s financial instruments. Accordingly, the net realized values could be materially different from the estimates presented below. The following methods and assumptions were used to estimate the fair value of each class of financial instruments for which it is practicable to estimate that value: • Because of their nature and short-term maturities, the carrying values of the following financial instruments were used as a reasonable estimate of their fair value: cash and cash equivalents, interest earning deposits with banks, variable-rate loans with re-pricing terms shorter than twelve months, demand and savings deposits, short-term time deposits and other borrowings. • The fair value of loans held for sale, securities, bank owned life insurance and derivative instruments, are based on quoted market prices, when available. If quoted market prices are unavailable, fair value is estimated using the pricing process described in Note 17 to the audited consolidated financial statements for the three years ended December 31, 2017 and as of December 31, 2017 and 2016 . • The fair value of commitments and letters of credit is based on the assumption that the Company will be required to perform on all such instruments. The commitment amount approximates estimated fair value. • The fair value of fixed-rate loans, advances from the FHLB, and junior subordinated debentures are estimated using a present value technique by discounting the future expected contractual cash flows using the current rates at which similar instruments would be issued with comparable credit ratings and terms at the measurement date. • The fair value of long-term time deposits, including certificates of deposit, is determined using a present value technique by discounting the future expected contractual cash flows using current rates at which similar instruments would be issued at the measurement date.

Basis of Presentation and Sum21

Basis of Presentation and Summary of Significant Accounting Policies (Tables)	6 Months Ended
	Jun. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Summary of the Impact of the Reclassification to the Footnotes of the Company's Consolidated Financial Statements	The following tables show the effects of the correction of the misclassifications to the footnotes to the Company’s consolidated financial statements as of December 31, 2017. This change in classification is reflected in the footnotes to the consolidated financial statements as of June 30, 2018 and for the three and six months periods ended June 30, 2018 and 2017. Loan portfolio by class: December 31, 2017 (in thousands) As Reported As Revised Effect of change Real estate loans Commercial real estate Non-owner occupied $ 1,745,839 $ 1,713,104 $ (32,735 ) Multi-family residential 795,912 839,709 43,797 Land development and construction loans 421,285 406,940 (14,345 ) 2,963,036 2,959,753 (3,283 ) Single-family residential 515,237 512,754 (2,483 ) Owner-occupied 429,803 610,386 180,583 3,908,076 4,082,893 174,817 Commercial loans 1,529,572 1,354,755 (174,817 ) Loans to financial institutions and acceptances 497,626 497,626 — Consumer loans and overdrafts 130,951 130,951 — $ 6,066,225 $ 6,066,225 $ — Age analysis of the loan portfolio by class: As reported: December 31, 2017 Total Loans, Past Due Total Loans in Total Loans (in thousands) Current 30-59 60-89 Greater than Total Past Real estate loans Commercial real estate Non-owner occupied $ 1,745,839 $ 1,745,686 $ — $ — $ 153 $ 153 $ 162 $ — Multi-family residential 795,912 795,912 — — — — — — Land development and construction loans 421,285 421,285 — — — — — — 2,963,036 2,962,883 — — 153 153 162 — Single-family residential 515,237 504,204 6,609 2,421 2,003 11,033 5,004 226 Owner-occupied 429,803 423,560 1,571 503 4,169 6,243 10,398 — 3,908,076 3,890,647 8,180 2,924 6,325 17,429 15,564 226 Commercial loans 1,529,572 1,523,329 1,814 5 4,424 6,243 11,103 — Loans to financial institutions and acceptances 497,626 497,626 — — — — — — Consumer loans and overdrafts 130,951 130,846 57 29 19 105 55 — $ 6,066,225 $ 6,042,448 $ 10,051 $ 2,958 $ 10,768 $ 23,777 $ 26,722 $ 226 As revised: December 31, 2017 Total Loans, Past Due Total Loans in Total Loans (in thousands) Current 30-59 60-89 Greater than Total Past Real estate loans Commercial real estate Non-owner occupied $ 1,713,104 $ 1,712,624 $ — $ — $ 480 $ 480 $ 489 $ — Multi-family residential 839,709 839,709 — — — — — — Land development and construction loans 406,940 406,940 — — — — — — 2,959,753 2,959,273 — — 480 480 489 — Single-family residential 512,754 501,393 6,609 2,750 2,002 11,361 5,004 226 Owner-occupied 610,386 602,643 3,000 174 4,569 7,743 12,227 — 4,082,893 4,063,309 9,609 2,924 7,051 19,584 17,720 226 Commercial loans 1,354,755 1,350,667 385 5 3,698 4,088 8,947 — Loans to financial institutions and acceptances 497,626 497,626 — — — — — — Consumer loans and overdrafts 130,951 130,846 57 29 19 105 55 — $ 6,066,225 $ 6,042,448 $ 10,051 $ 2,958 $ 10,768 $ 23,777 $ 26,722 $ 226 Age analysis of the loan portfolio by class: Effects of change: December 31, 2017 Total Loans, Past Due Total Loans in Total Loans (in thousands) Current 30-59 60-89 Greater than Total Past Real estate loans Commercial real estate Non-owner occupied $ (32,735 ) $ (33,062 ) $ — $ — $ 327 $ 327 $ 327 $ — Multi-family residential 43,797 43,797 — — — — — — Land development and construction loans (14,345 ) (14,345 ) — — — — — — (3,283 ) (3,610 ) — — 327 327 327 — Single-family residential (2,483 ) (2,811 ) — 329 (1 ) 328 — — Owner-occupied 180,583 179,083 1,429 (329 ) 400 1,500 1,829 — 174,817 172,662 1,429 — 726 2,155 2,156 — Commercial loans (174,817 ) (172,662 ) (1,429 ) — (726 ) (2,155 ) (2,156 ) — Loans to financial institutions and acceptances — — — — — — — — Consumer loans and overdrafts — — — — — — — — $ — $ — $ — $ — $ — $ — $ — $ — Loans by credit quality indicators: As reported: December 31, 2017 Credit Risk Rating Classified (in thousands) Nonclassified Substandard Doubtful Loss Total Real estate loans Commercial real estate Non-owner occupied $ 1,745,677 $ 162 $ — $ — $ 1,745,839 Multi-family residential 795,912 — — — 795,912 Land development and construction loans 421,285 — — — 421,285 2,962,874 162 — — 2,963,036 Single-family residential 509,368 5,869 — — 515,237 Owner-occupied 417,694 12,109 — — 429,803 3,889,936 18,140 — — 3,908,076 Commercial loans 1,513,375 16,197 — — 1,529,572 Loans to financial institutions and acceptances 497,626 — — — 497,626 Consumer loans and overdrafts 125,762 5,189 — — 130,951 $ 6,026,699 $ 39,526 $ — $ — $ 6,066,225 Loans by credit quality indicators: As revised: December 31, 2017 Credit Risk Rating Classified (in thousands) Nonclassified Substandard Doubtful Loss Total Real estate loans Commercial real estate Non-owner occupied $ 1,712,615 $ 489 $ — $ — $ 1,713,104 Multi-family residential 839,709 — — — 839,709 Land development and construction loans 406,940 — — — 406,940 2,959,264 489 — — 2,959,753 Single-family residential 506,885 5,869 — — 512,754 Owner-occupied 596,519 13,867 — — 610,386 4,062,668 20,225 — — 4,082,893 Commercial loans 1,340,643 14,112 — — 1,354,755 Loans to financial institutions and acceptances 497,626 — — — 497,626 Consumer loans and overdrafts 126,838 4,113 — — 130,951 $ 6,027,775 $ 38,450 $ — $ — $ 6,066,225 Effects of change: December 31, 2017 Credit Risk Rating Classified (in thousands) Nonclassified Substandard Doubtful Loss Total Real estate loans Commercial real estate Non-owner occupied $ (33,062 ) $ 327 $ — $ — $ (32,735 ) Multi-family residential 43,797 — — — 43,797 Land development and construction loans (14,345 ) — — — (14,345 ) (3,610 ) 327 — — (3,283 ) Single-family residential (2,483 ) — — — (2,483 ) Owner-occupied 178,825 1,758 — — 180,583 172,732 2,085 — — 174,817 Commercial loans (172,732 ) (2,085 ) — — (174,817 ) Loans to financial institutions and acceptances — — — — — Consumer loans and overdrafts 1,076 (1,076 ) — — — $ 1,076 $ (1,076 ) $ — $ — $ — Allocation of allowance for loan losses at end of the period, as reported, revised and effects of change: December 31, 2017 December 31, 2016 (in thousands) As Reported As Revised Effect of change As Reported As Revised Effect of change Real estate $ 30,246 $ 31,290 $ 1,044 $ 31,055 $ 30,713 $ (342 ) Commercial 33,731 32,687 (1,044 ) 40,555 40,897 342 Financial institutions 4,362 4,362 — 5,304 5,304 — Consumer and others 3,661 3,661 — 4,837 4,837 — $ 72,000 $ 72,000 $ — $ 81,751 $ 81,751 $ — March 31, 2018 March 31, 2017 (in thousands) As Reported As Revised Effect of change As Reported As Revised Effect of change Real estate $ 29,416 $ 30,503 $ 1,087 $ 32,742 $ 32,471 $ (271 ) Commercial 34,759 33,672 (1,087 ) 36,387 36,658 271 Financial institutions 3,671 3,671 — 5,615 5,615 — Consumer and others 4,272 4,272 — 4,619 4,619 — $ 72,118 $ 72,118 $ — $ 79,363 $ 79,363 $ — Summary of impaired loans: As reported: December 31, 2017 Recorded Investment (in thousands) With a Valuation Allowance Without a Valuation Allowance Total Year Average Total Unpaid Principal Balance Valuation Allowance Real estate loans Commercial real estate Non-owner occupied $ — $ — $ — $ 143 $ — $ — Multi-family residential — 1,318 1,318 7,898 1,330 — Land development and construction loans — — — 1,359 — — — 1,318 1,318 9,400 1,330 — Single-family residential — 877 877 3,100 871 — Owner-occupied — 9,488 9,488 13,080 10,494 — — 11,683 11,683 25,580 12,695 — Commercial loans 7,173 3,743 10,916 18,653 16,940 2,866 $ 7,173 $ 15,426 $ 22,599 $ 44,233 $ 29,635 $ 2,866 Summary of impaired loans: As revised: December 31, 2017 Recorded Investment (in thousands) With a Valuation Allowance Without a Valuation Allowance Total Year Average Total Unpaid Principal Balance Valuation Allowance Real estate loans Commercial real estate Non-owner occupied $ — $ 327 $ 327 $ 225 $ 327 $ — Multi-family residential — 1,318 1,318 7,898 1,330 — Land development and construction loans — — — 1,359 — — — 1,645 1,645 9,482 1,657 — Single-family residential — 877 877 3,100 871 — Owner-occupied — 10,918 10,918 13,440 12,323 — — 13,440 13,440 26,022 14,851 — Commercial loans 7,173 1,986 9,159 18,211 14,784 2,866 $ 7,173 $ 15,426 $ 22,599 $ 44,233 $ 29,635 $ 2,866 Effects of change: December 31, 2017 Recorded Investment (in thousands) With a Valuation Allowance Without a Valuation Allowance Total Year Average Total Unpaid Principal Balance Valuation Allowance Real estate loans Commercial real estate Non-owner occupied $ — $ 327 $ 327 $ 82 $ 327 $ — Multi-family residential — — — — — — Land development and construction loans — — — — — — — 327 327 82 327 — Single-family residential — — — — — — Owner-occupied — 1,430 1,430 360 1,829 — — 1,757 1,757 442 2,156 — Commercial loans — (1,757 ) (1,757 ) (442 ) (2,156 ) — $ — $ — $ — $ — $ — $ —

Securities (Tables)

Securities (Tables)	6 Months Ended
	Jun. 30, 2018
Investments, Debt and Equity Securities [Abstract]
Schedule of available for sale securities from amortized cost to fair value	Amortized cost and approximate fair values of securities available for sale are summarized as follows: June 30, 2018 Amortized Gross Unrealized Estimated (in thousands) Gains Losses U.S. government sponsored enterprise debt securities $ 855,688 $ 1,110 $ (29,314 ) $ 827,484 Corporate debt securities 376,581 2,062 (3,714 ) 374,929 U.S. government agency debt securities 256,498 300 (5,961 ) 250,837 Municipal bonds 177,632 275 (4,600 ) 173,307 Mutual funds 24,263 — (1,155 ) 23,108 $ 1,690,662 $ 3,747 $ (44,744 ) $ 1,649,665 December 31, 2017 Amortized Gross Unrealized Estimated (in thousands) Gains Losses U.S. government sponsored enterprise debt securities $ 889,396 $ 1,784 $ (15,514 ) $ 875,666 Corporate debt securities 310,781 3,446 (835 ) 313,392 U.S. government agency debt securities 293,908 870 (3,393 ) 291,385 Municipal bonds 179,524 2,343 (1,471 ) 180,396 Mutual funds 24,262 — (645 ) 23,617 U.S. treasury securities 2,700 2 (1 ) 2,701 $ 1,700,571 $ 8,445 $ (21,859 ) $ 1,687,157
Schedule of available for sale securities with unrealized losses	The Company’s investment securities available for sale with unrealized losses that are deemed temporary, aggregated by length of time that individual securities have been in a continuous unrealized loss position, are summarized below: June 30, 2018 Less Than 12 Months 12 Months or More Total (in thousands) Estimated Unrealized Estimated Unrealized Estimated Unrealized U.S. government sponsored enterprise debt securities $ 298,313 $ (6,389 ) $ 482,682 $ (22,925 ) $ 780,995 $ (29,314 ) U.S. government agency debt securities 101,040 (1,949 ) 127,393 (4,012 ) 228,433 (5,961 ) Municipal bonds 59,772 (1,152 ) 72,742 (3,448 ) 132,514 (4,600 ) Corporate debt securities 219,052 (3,537 ) 4,714 (177 ) 223,766 (3,714 ) Mutual funds — — 22,865 (1,155 ) 22,865 (1,155 ) $ 678,177 $ (13,027 ) $ 710,396 $ (31,717 ) $ 1,388,573 $ (44,744 ) December 31, 2017 Less Than 12 Months 12 Months or More Total (in thousands) Estimated Unrealized Estimated Unrealized Estimated Unrealized U.S. government sponsored enterprise debt securities $ 333,232 $ (2,956 ) $ 485,555 $ (12,558 ) $ 818,787 $ (15,514 ) U.S. government agency debt securities 92,138 (728 ) 128,316 (2,665 ) 220,454 (3,393 ) Municipal bonds 4,895 (8 ) 76,003 (1,463 ) 80,898 (1,471 ) Corporate debt securities 94,486 (751 ) 3,694 (84 ) 98,180 (835 ) Mutual funds — — 23,375 (645 ) 23,375 (645 ) U.S. treasury securities — — 2,199 (1 ) 2,199 (1 ) $ 524,751 $ (4,443 ) $ 719,142 $ (17,416 ) $ 1,243,893 $ (21,859 )
Schedule of held to maturity securities	Amortized cost and approximate fair values of securities held to maturity, are summarized as follows: June 30, 2018 Amortized Gross Unrealized Estimated (in thousands) Gains Losses Securities Held to Maturity - U.S. government sponsored enterprise debt securities $ 85,497 $ — $ (3,486 ) $ 82,011 U.S. Government agency debt securities 2,943 — (83 ) 2,860 $ 88,440 $ — $ (3,569 ) $ 84,871 December 31, 2017 Amortized Gross Unrealized Estimated (in thousands) Gains Losses Securities Held to Maturity - U.S. government sponsored enterprise debt securities $ 86,826 $ 47 $ (441 ) $ 86,432 U.S. Government agency debt securities 3,034 — — 3,034 $ 89,860 $ 47 $ (441 ) $ 89,466
Schedule of contractual maturities of securities	Contractual maturities of securities at June 30, 2018 are as follows: Available for Sale Held to Maturity (in thousands) Amortized Estimated Amortized Estimated Within 1 year $ 2,816 $ 2,808 $ — $ — After 1 year through 5 years 331,256 328,917 — — After 5 years through 10 years 253,954 249,963 — — After 10 years 1,078,373 1,044,869 88,440 84,871 No contractual maturities 24,263 23,108 — — $ 1,690,662 $ 1,649,665 $ 88,440 $ 84,871

Loans (Tables)

Loans (Tables)	6 Months Ended
	Jun. 30, 2018
Receivables [Abstract]
Schedule of loan portfolio by classes and countries	The loan portfolio consists of the following loan classes: (in thousands) June 30, December 31, Real estate loans Commercial real estate Non-owner occupied $ 1,864,645 $ 1,713,104 Multi-family residential 858,453 839,709 Land development and construction loans 402,830 406,940 3,125,928 2,959,753 Single-family residential 514,912 512,754 Owner-occupied 653,902 610,386 4,294,742 4,082,893 Commercial loans 1,432,033 1,354,755 Loans to financial institutions and acceptances 368,864 497,626 Consumer loans and overdrafts 123,910 130,951 $ 6,219,549 $ 6,066,225 The following tables summarize international loans by country, net of loans fully collateralized with cash of approximately $28.0 million and $31.9 million at June 30, 2018 and December 31, 2017 , respectively. June 30, 2018 (in thousands) Brazil Venezuela Others (1) Total Real estate loans Single-family residential (2) $ 212 $ 136,681 $ 6,286 $ 143,179 Loans to financial institutions and acceptances 130,866 — 221,498 352,364 Commercial loans 5,974 — 98,003 103,977 Consumer loans and overdrafts (3) 3,653 35,137 7,598 46,388 $ 140,705 $ 171,818 $ 333,385 $ 645,908 __________________ (1) Loans to borrowers in 19 other countries; the total by country does not individually exceed 1% of total assets. (2) Mortgage loans secured by single-family residential properties located in the U.S. (3) Mostly comprised of credit card extensions of credit to customers with deposits with the Bank. Charging privileges are suspended, if the deposits decline below the authorized credit line. December 31, 2017 (in thousands) Brazil Venezuela Chile Others (1) Total Real estate loans Single-family residential (2) $ 219 $ 145,069 $ 179 $ 7,246 $ 152,713 Loans to financial institutions and acceptances 129,372 — 93,000 258,811 481,183 Commercial loans 8,451 — — 60,843 69,294 Consumer loans and overdrafts (3) 3,046 37,609 1,364 10,060 52,079 $ 141,088 $ 182,678 $ 94,543 $ 336,960 $ 755,269 __________________ (1) Loans to borrowers in 18 other countries; the total by country does not individually exceed 1% of total assets. (2) Mortgage loans secured by single-family residential properties located in the U.S. (3) Mostly comprised of credit card extensions of credit secured to customers with deposits with the Bank. Charging privileges are suspended, if the deposits decline below the authorized credit line.
Schedule of loan portfolio delinquencies	The analysis of the loan portfolio delinquencies by class, including nonaccrual loans, as of June 30, 2018 and December 31, 2017 are summarized in the following tables: June 30, 2018 Total Loans, Past Due Total Loans in Total Loans (in thousands) Current 30-59 60-89 Greater than Total Past Real estate loans Commercial real estate Non-owner occupied $ 1,864,645 $ 1,864,496 $ — $ — $ 149 $ 149 $ 10,510 $ — Multi-family residential 858,453 858,453 — — — — — — Land development and construction loans 402,830 402,830 — — — — — — 3,125,928 3,125,779 — — 149 149 10,510 — Single-family residential 514,912 508,426 919 1,127 4,440 6,486 6,334 — Owner-occupied 653,902 650,586 1,711 — 1,605 3,316 7,186 — 4,294,742 4,284,791 2,630 1,127 6,194 9,951 24,030 — Commercial loans 1,432,033 1,428,566 330 200 2,937 3,467 9,934 27 Loans to financial institutions and acceptances 368,864 368,864 — — — — — — Consumer loans and overdrafts 123,910 122,234 653 360 663 1,676 42 663 $ 6,219,549 $ 6,204,455 $ 3,613 $ 1,687 $ 9,794 $ 15,094 $ 34,006 $ 690 December 31, 2017 Total Loans, Past Due Total Loans in Total Loans (in thousands) Current 30-59 60-89 Greater than Total Past Real estate loans Commercial real estate Non-owner occupied $ 1,713,104 $ 1,712,624 $ — $ — $ 480 $ 480 $ 489 $ — Multi-family residential 839,709 839,709 — — — — — — Land development and construction loans 406,940 406,940 — — — — — — 2,959,753 2,959,273 — — 480 480 489 — Single-family residential 512,754 501,393 6,609 2,750 2,002 11,361 5,004 226 Owner-occupied 610,386 602,643 3,000 174 4,569 7,743 12,227 — 4,082,893 4,063,309 9,609 2,924 7,051 19,584 17,720 226 Commercial loans 1,354,755 1,350,667 385 5 3,698 4,088 8,947 — Loans to financial institutions and acceptances 497,626 497,626 — — — — — — Consumer loans and overdrafts 130,951 130,846 57 29 19 105 55 — $ 6,066,225 $ 6,042,448 $ 10,051 $ 2,958 $ 10,768 $ 23,777 $ 26,722 $ 226

Allowance for Loan Losses (Tabl

Allowance for Loan Losses (Tables)	6 Months Ended
	Jun. 30, 2018
Receivables [Abstract]
Schedule of allowance for loan losses	The analyses by loan segment of the changes in the allowance for loan losses for the three and six months periods ended June 30, 2018 and 2017 , and its allocation by impairment methodology and the related investment in loans, net as of June 30, 2018 and 2017 are summarized in the following tables: Three Months Ended June 30, 2018 (in thousands) Real Estate Commercial Financial Consumer Total Balances at beginning of the period $ 30,503 $ 33,672 $ 3,671 $ 4,272 $ 72,118 (Reversal of) provision for loan losses (1,814 ) (1,750 ) (354 ) 4,068 150 Loans charged-off Domestic — (2,355 ) — (98 ) (2,453 ) International — (52 ) — (230 ) (282 ) Recoveries 4 269 — 125 398 Balances at end of the period $ 28,693 $ 29,784 $ 3,317 $ 8,137 $ 69,931 Six Months Ended June 30, 2018 (in thousands) Real Estate Commercial Financial Consumer Total Balances at beginning of the period $ 31,290 $ 32,687 $ 4,362 $ 3,661 $ 72,000 (Reversal of) provision for loan losses (2,635 ) (1,215 ) (1,045 ) 5,045 150 Loans charged-off Domestic — (2,737 ) — (117 ) (2,854 ) International — (52 ) — (630 ) (682 ) Recoveries 38 1,101 — 178 1,317 Balances at end of the period $ 28,693 $ 29,784 $ 3,317 $ 8,137 $ 69,931 June 30, 2018 (in thousands) Real Estate Commercial Financial Consumer Total Allowance for loan losses by impairment methodology Individually evaluated $ 4,055 $ 2,252 $ — $ — $ 6,307 Collectively evaluated 24,638 27,532 3,317 8,137 63,624 $ 28,693 $ 29,784 $ 3,317 $ 8,137 $ 69,931 Investment in loans, net of unearned income Individually evaluated $ 11,078 $ 16,206 $ — $ 306 $ 27,590 Collectively evaluated 3,078,004 2,184,226 371,498 558,231 6,191,959 $ 3,089,082 $ 2,200,432 $ 371,498 $ 558,537 $ 6,219,549 Three Months Ended June 30, 2017 (in thousands) Real Estate Commercial Financial Consumer Total Balances at beginning of the period $ 32,471 $ 36,658 $ 5,615 $ 4,619 $ 79,363 Provision for (reversal of) loan losses 2,262 4,760 (1,639 ) (1,737 ) 3,646 Loans charged-off Domestic — (1,097 ) — (15 ) (1,112 ) International — (143 ) — (258 ) (401 ) Recoveries 107 23 — 1,080 1,210 Balances at end of the period $ 34,840 $ 40,201 $ 3,976 $ 3,689 $ 82,706 Six Months Ended June 30, 2017 (in thousands) Real Estate Commercial Financial Consumer Total Balances at beginning of the period $ 30,713 $ 40,897 $ 5,304 $ 4,837 $ 81,751 Provision for (reversal of) loan losses 4,056 6,695 (1,328 ) (1,680 ) 7,743 Loans charged-off Domestic (97 ) (1,415 ) — (128 ) (1,640 ) International — (6,042 ) — (477 ) (6,519 ) Recoveries 168 66 — 1,137 1,371 Balances at end of the period $ 34,840 $ 40,201 $ 3,976 $ 3,689 $ 82,706 June 30, 2017 (in thousands) Real Estate Commercial Financial Consumer Total Allowance for loan losses by impairment methodology Individually evaluated $ — $ 3,407 $ — $ — $ 3,407 Collectively evaluated 34,840 36,794 3,976 3,689 79,299 $ 34,840 $ 40,201 $ 3,976 $ 3,689 $ 82,706 Investment in loans, net of unearned income Individually evaluated $ 13,733 $ 36,855 $ — $ 2,277 $ 52,865 Collectively evaluated 2,708,546 2,351,544 424,434 539,976 6,024,500 $ 2,722,279 $ 2,388,399 $ 424,434 $ 542,253 $ 6,077,365
Schedule of impaired loans	The following is a summary of the recorded investment amount of loan sales by portfolio segment: Three Months Ended June 30, Real Estate Commercial Financial Consumer Total 2018 $ 5,049 $ 5,774 $ — $ — $ 10,823 2017 $ 2,045 $ 7,696 $ — $ — $ 9,741 Six Months Ended June 30, Real Estate Commercial Financial Consumer Total 2018 $ 8,007 $ 15,774 $ — $ — $ 23,781 2017 $ 3,922 $ 35,057 $ 24,277 $ — $ 63,256 The following is a summary of impaired loans as of June 30, 2018 and December 31, 2017 : June 30, 2018 Recorded Investment (in thousands) With a Valuation Allowance Without a Valuation Allowance Total Year-To-Date Average Total Unpaid Principal Balance Valuation Allowance Real estate loans Commercial real estate Non-owner occupied $ 10,352 $ — $ 10,352 $ 8,734 $ 10,402 $ 4,055 Multi-family residential — 726 726 927 731 — Land development and construction loans — — — — — — 10,352 726 11,078 9,661 11,133 4,055 Single-family residential — 306 306 746 297 — Owner-occupied — 6,303 6,303 6,918 6,222 — 10,352 7,335 17,687 17,325 17,652 4,055 Commercial loans 4,572 5,331 9,903 8,939 18,302 2,252 $ 14,924 $ 12,666 $ 27,590 $ 26,264 $ 35,954 $ 6,307 During the three and six months ended June 30, 2018, the Company recognized interest income of $83 thousand and $108 thousand , respectively, on impaired loans. December 31, 2017 Recorded Investment (in thousands) With a Valuation Allowance Without a Valuation Allowance Total Year Average Total Unpaid Principal Balance Valuation Allowance Real estate loans Commercial real estate Non-owner occupied $ — $ 327 $ 327 $ 225 $ 327 $ — Multi-family residential — 1,318 1,318 7,898 1,330 — Land development and construction loans — — — 1,359 — — — 1,645 1,645 9,482 1,657 — Single-family residential — 877 877 3,100 871 — Owner-occupied — 10,918 10,918 13,440 12,323 — — 13,440 13,440 26,022 14,851 — Commercial loans 7,173 1,986 9,159 18,211 14,784 2,866 $ 7,173 $ 15,426 $ 22,599 $ 44,233 $ 29,635 $ 2,866
Schedule of credit quality indicators	The Company’s investment in loans by credit quality indicators as of June 30, 2018 and December 31, 2017 are summarized in the following tables: June 30, 2018 Credit Risk Rating Classified (in thousands) Nonclassified Substandard Doubtful Loss Total Real estate loans Commercial real estate Non-owner occupied $ 1,854,135 $ 10,510 $ — $ — $ 1,864,645 Multi-family residential 858,453 — — — 858,453 Land development and construction loans 402,830 — — — 402,830 3,115,418 10,510 — — 3,125,928 Single-family residential 508,578 6,334 — — 514,912 Owner-occupied 644,363 9,539 — — 653,902 4,268,359 26,383 — — 4,294,742 Commercial loans 1,421,122 8,891 2,020 — 1,432,033 Loans to financial institutions and acceptances 368,864 — — — 368,864 Consumer loans and overdrafts 118,176 5,734 — — 123,910 $ 6,176,521 $ 41,008 $ 2,020 $ — $ 6,219,549 December 31, 2017 Credit Risk Rating Classified (in thousands) Nonclassified Substandard Doubtful Loss Total Real estate loans Commercial real estate Non-owner occupied $ 1,712,615 $ 489 $ — $ — $ 1,713,104 Multi-family residential 839,709 — — — 839,709 Land development and construction loans 406,940 — — — 406,940 2,959,264 489 — — 2,959,753 Single-family residential 506,885 5,869 — — 512,754 Owner-occupied 596,519 13,867 — — 610,386 4,062,668 20,225 — — 4,082,893 Commercial loans 1,340,643 14,112 — — 1,354,755 Loans to financial institutions and acceptances 497,626 — — — 497,626 Consumer loans and overdrafts 126,838 4,113 — — 130,951 $ 6,027,775 $ 38,450 $ — $ — $ 6,066,225

Advances From the Federal Hom25

Advances From the Federal Home Loan Bank and Other Borrowings (Tables)	6 Months Ended
	Jun. 30, 2018
Banking and Thrift [Abstract]
Schedule of outstanding advances from the FHLB	The Company had outstanding advances from the FHLB and other borrowings. These borrowings bear fixed interest rates or variable rates based on 3-month LIBOR as follows: Year of Maturity Interest June 30, 2018 December 31, 2017 (in thousands, except percentages) 2018 0.90% to 2.38% $ 417,000 $ 567,000 2019 1.00% to 3.86% 225,000 155,000 2020 1.50% to 2.74% 306,000 211,000 2021 1.93% to 2.50% 190,000 240,000 2022 2.48% to 2.80% 120,000 — $ 1,258,000 $ 1,173,000

Derivative Instruments (Tables)

Derivative Instruments (Tables)	6 Months Ended
	Jun. 30, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Schedule of Derivative Instruments	At June 30, 2018 and December 31, 2017 the fair values of the Company’s derivative instruments were as follows: June 30, 2018 December 31, 2017 (in thousands) Other Assets Other Liabilities Other Assets Other Liabilities Interest rate swaps designated as cash flow hedges $ 14,417 $ — $ 5,462 $ — Interest rate swaps not designated as hedging instruments: Customers 304 — 1,375 — Third party broker — 304 — 1,375 304 304 1,375 1,375 Interest rate caps not designated as hedging instruments: Customers — 1,084 — 195 Third party broker 1,084 — 195 — 1,084 1,084 195 195 $ 15,805 $ 1,388 $ 7,032 $ 1,570

Accumulated Other Comprehensi27

Accumulated Other Comprehensive Loss (“AOCL”) (Tables)	6 Months Ended
	Jun. 30, 2018
Equity [Abstract]
Components of AOCL	The components of AOCL are summarized as follows using applicable blended average federal and state tax rates for each period: June 30, 2018 December 31, 2017 (in thousands) Before Tax Tax Net of Tax Before Tax Tax Net of Tax Unrealized losses on available for sale securities $ (40,997 ) $ 10,023 $ (30,974 ) $ (13,415 ) $ 2,884 $ (10,531 ) Unrealized gains on interest rate swaps designated as cash flow hedges 14,417 (3,496 ) $ 10,921 5,602 (1,204 ) $ 4,398 Total AOCL $ (26,580 ) $ 6,527 $ (20,053 ) $ (7,813 ) $ 1,680 $ (6,133 )
Components of Other Comprehensive Loss	The components of other comprehensive loss for the periods presented is summarized as follows: Three Months Ended June 30, 2018 2017 (in thousands) Before Tax Tax Net of Tax Before Tax Tax Net of Tax Unrealized (losses) gains on available for sale securities: Change in fair value arising during the period $ (6,716 ) $ 1,262 $ (5,454 ) $ 9,271 $ (3,291 ) $ 5,980 Reclassification adjustment for net gains included in net income (16 ) 4 (12 ) (177 ) 63 (114 ) (6,732 ) 1,266 (5,466 ) 9,094 (3,228 ) 5,866 Unrealized gains (losses) on interest rate swaps designated as cash flow hedges: Change in fair value arising during the period 2,574 (435 ) 2,139 (2,253 ) 800 (1,453 ) Reclassification adjustment for net interest expense included in net income 19 (5 ) 14 32 (11 ) 21 2,593 (440 ) 2,153 (2,221 ) 789 (1,432 ) Total other comprehensive (loss) income $ (4,139 ) $ 826 $ (3,313 ) $ 6,873 $ (2,439 ) $ 4,434 Six Months Ended June 30, 2018 2017 (in thousands) Before Tax Tax Net of Tax Before Tax Tax Net of Tax Unrealized (losses) gains on available for sale securities: Change in fair value arising during the period $ (27,566 ) $ 7,135 $ (20,431 ) $ 11,708 $ (4,156 ) $ 7,552 Reclassification adjustment for net gains included in net income (16 ) 4 (12 ) (155 ) 55 (100 ) (27,582 ) 7,139 (20,443 ) 11,553 (4,101 ) 7,452 Unrealized gains (losses) on interest rate swaps designated as cash flow hedges: Change in fair value arising during the period 8,608 (2,256 ) 6,352 (2,008 ) 713 (1,295 ) Reclassification adjustment for net interest expense included in net income 207 (36 ) 171 82 (29 ) 53 8,815 (2,292 ) 6,523 (1,926 ) 684 (1,242 ) Total other comprehensive (loss) income $ (18,767 ) $ 4,847 $ (13,920 ) $ 9,627 $ (3,417 ) $ 6,210

Commitments and Contingencies (

Commitments and Contingencies (Tables)	6 Months Ended
	Jun. 30, 2018
Commitments and Contingencies Disclosure [Abstract]
Summary of Financial Instruments Whose Contract Amount Represents Off-Balance Sheet Credit Risk	Financial instruments whose contract amount represents off-balance sheet credit risk at June 30, 2018 are generally short-term and are as follows: (in thousands) Approximate Commitments to extend credit $ 750,440 Credit card facilities 200,912 Standby letters of credit 19,271 Commercial letters of credit 4,718 $ 975,341

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	6 Months Ended
	Jun. 30, 2018
Fair Value Disclosures [Abstract]
Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis	Assets and liabilities measured at fair value on a recurring basis are summarized below: June 30, 2018 (in thousands) Quoted Third-Party Internal Total Assets Securities available for sale U.S. government sponsored enterprise debt securities $ — $ 827,484 $ — $ 827,484 Corporate debt securities — 374,929 — 374,929 U.S. government agency debt securities — 250,837 — 250,837 Municipal bonds — 173,307 — 173,307 Mutual funds — 23,108 — 23,108 — 1,649,665 — 1,649,665 Bank owned life insurance — 203,236 — 203,236 Derivative instruments — 15,805 — 15,805 $ — $ 1,868,706 $ — $ 1,868,706 Liabilities Derivative instruments $ — $ 1,388 $ — $ 1,388 December 31, 2017 (in thousands) Quoted Third-Party Internal Total Assets Securities available for sale U.S. government sponsored enterprise debt securities $ — $ 875,666 $ — $ 875,666 Corporate debt securities — 313,392 — 313,392 U.S. government agency debt securities — 291,385 — 291,385 Municipal bonds — 180,396 — 180,396 Mutual funds — 23,617 — 23,617 U.S. treasury securities — 2,701 — 2,701 — 1,687,157 — 1,687,157 Bank owned life insurance — 200,318 — 200,318 Derivative instruments — 7,032 — 7,032 $ — $ 1,894,507 $ — $ 1,894,507 Liabilities Derivative instruments $ — $ 1,570 $ — $ 1,570
Summary of Major Categories of Assets Measured at Fair Value on a Nonrecurring Basis	The following table presents the major category of assets measured at fair value on a nonrecurring basis at December 31, 2017 : December 31, 2017 (in thousands) Quoted Prices in Active Markets for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Other Unobservable Inputs (Level 3) Total Impairments Description Loans held for sale $ 5,611 $ — $ — $ —
Summary of Estimated Fair Value of Financial Instruments Where Fair Value Differs from Carrying Value	The estimated fair value of financial instruments where fair value differs from carrying value are as follows: June 30, 2018 December 31, 2017 (in thousands) Carrying Estimated Carrying Estimated Financial assets Loans $ 2,754,445 $ 2,650,581 $ 2,682,790 $ 2,566,197 Financial liabilities Time deposits 1,714,145 1,702,150 1,466,464 1,461,908 Advances from the Federal Home Loan Bank 1,256,000 1,252,087 1,161,000 1,164,686 Junior subordinated debentures 118,110 99,304 118,110 95,979

Segment Information (Tables)

Segment Information (Tables)	6 Months Ended
	Jun. 30, 2018
Segment Reporting [Abstract]
Summary of Financial Information on a Managed Basis	The following tables provide a summary of the Company’s financial information as of June 30, 2018 and December 31, 2017 and for the three and six months periods ended June 30, 2018 and 2017 on a managed basis. The Company’s definition of managed basis starts with the reported U.S. GAAP results and includes funds transfer pricing (“FTP”) compensation and allocations of direct and indirect expenses from overhead, internal support centers, and product support centers. This allows management to assess the comparability of results from period-to-period arising from segment operations. The corresponding income tax impact related to tax-exempt items is recorded within income tax (expense)/benefit. (in thousands) Personal and Commercial Banking ("PAC") Corporate LATAM Treasury Institutional Total Three Months Ended June 30, 2018 Income Statement: Net interest income $ 47,105 $ 1,219 $ 1,942 $ 3,723 $ 53,989 Provision for (reversal of) loan losses 824 494 (329 ) (839 ) 150 Net interest income after provision for (reversal of) loan losses 46,281 725 2,271 4,562 53,839 Noninterest income 5,708 89 3,451 5,738 14,986 Noninterest expense 39,329 1,468 2,832 9,009 52,638 Net income (loss) before income tax: Banking 12,660 (654 ) 2,890 1,291 16,187 Non-banking contribution (1) 1,197 11 — (1,208 ) — 13,857 (643 ) 2,890 83 16,187 Income tax (expense) benefit (4,486 ) 58 84 (1,420 ) (5,764 ) Net income (loss) $ 9,371 $ (585 ) $ 2,974 $ (1,337 ) $ 10,423 (in thousands) Personal and Commercial Banking ("PAC") Corporate LATAM Treasury Institutional Total Six Months Ended June 30, 2018 Income Statement: Net interest income $ 93,786 $ 2,699 $ 2,898 $ 7,239 $ 106,622 (Reversal of) provision for loan losses (1,315 ) (225 ) (446 ) 2,136 150 Net interest income after (reversal of) provision for loan losses 95,101 2,924 3,344 5,103 106,472 Noninterest income 11,416 198 5,401 11,916 28,931 Noninterest expense 79,343 2,643 5,794 20,503 108,283 Net income (loss) before income tax: Banking 27,174 479 2,951 (3,484 ) 27,120 Non-banking contribution (1) 1,247 — — (1,247 ) — 28,421 479 2,951 (4,731 ) 27,120 Income tax (expense) benefit (6,707 ) (113 ) 396 (844 ) (7,268 ) Net income (loss) $ 21,714 $ 366 $ 3,347 $ (5,575 ) $ 19,852 (in thousands) Personal and Commercial Banking ("PAC") Corporate LATAM Treasury Institutional Total As of June 30, 2018 Loans, net (2) $ 5,826,731 $ 394,572 $ — $ (71,685 ) $ 6,149,618 Deposits $ 5,567,424 $ 20,134 $ 737,898 $ 37,682 $ 6,363,138 (in thousands) Personal and Commercial Banking ("PAC") Corporate LATAM Treasury Institutional Total Three Months Ended June 30, 2017 Income Statement: Net interest income $ 43,776 $ 2,339 $ 2,268 $ 3,058 $ 51,441 Provision for (reversal of) loan losses 8,681 (1,845 ) (819 ) (2,371 ) 3,646 Net interest income after provision for (reversal of) loan losses 35,095 4,184 3,087 5,429 47,795 Noninterest income 8,062 148 2,933 6,616 17,759 Noninterest expense 38,618 1,135 2,445 8,467 50,665 Net income before income tax: Banking 4,539 3,197 3,575 3,578 14,889 Non-banking contribution (1) 1,263 24 — (1,287 ) — 5,802 3,221 3,575 2,291 14,889 Income tax expense (2,001 ) (1,147 ) (446 ) (905 ) (4,499 ) Net income $ 3,801 $ 2,074 $ 3,129 $ 1,386 $ 10,390 (in thousands) Personal and Commercial Banking ("PAC") Corporate LATAM Treasury Institutional Total Six Months Ended June 30, 2017 Income Statement: Net interest income $ 85,164 $ 4,903 $ 4,593 $ 5,132 $ 99,792 Provision for (reversal of) loan losses 9,812 358 (894 ) (1,533 ) 7,743 Net interest income after provision for (reversal of) loan losses 75,352 4,545 5,487 6,665 92,049 Noninterest income 14,145 275 4,113 13,443 31,976 Noninterest expense 78,495 2,517 5,194 13,607 99,813 Net income before income tax: Banking 11,002 2,303 4,406 6,501 24,212 Non-banking contribution (1) 2,349 22 — (2,371 ) — 13,351 2,325 4,406 4,130 24,212 Income tax expense (4,730 ) (823 ) (59 ) (1,703 ) (7,315 ) Net income $ 8,621 $ 1,502 $ 4,347 $ 2,427 $ 16,897 (in thousands) Personal and Commercial Banking ("PAC") Corporate LATAM Treasury Institutional Total As of December 31, 2017 Loans, net (2)(3) $ 5,542,545 $ 521,616 $ — $ (64,325 ) $ 5,999,836 Deposits $ 5,454,216 $ 18,670 $ 779,969 $ 70,118 $ 6,322,973 __________________ (1) Non-banking contribution reflects allocations of the net results of the Trust Company and Investment Services subsidiaries to the customers’ primary business unit. (2) Provisions for the periods presented are allocated to each applicable reportable segment. The allowance for loan losses and unearned deferred loan costs and fees are reported entirely within Institutional. (3) Balances include loans held for sale of $5,611 thousand which are allocated to PAC.

Basis of Presentation and Sum31

Basis of Presentation and Summary of Significant Accounting Policies (Details) $ in Thousands	Mar. 13, 2018USD ($)	Jun. 30, 2018USD ($)subsidiaryshares	Jun. 30, 2017USD ($)shares	Apr. 02, 2018	Mar. 15, 2018	Feb. 06, 2018shares	Dec. 31, 2017USD ($)shares	Dec. 31, 2016shares
Class of Stock [Line Items]
Number of subsidiaries | subsidiary		2
Dividend paid | $	$ 40,000	$ 40,000	$ 0
Distribution Trust Agreement, percentage of common shareholders equity held by trust				80.10%
Distribution Trust Agreement, percentage of retained shareholders equity held by trust				19.90%
Unused credit facility contract amount | $		975,341
Credit card facilities
Class of Stock [Line Items]
Unused credit facility contract amount | $		$ 200,912					$ 200,200
Credit card facilities | As Reported
Class of Stock [Line Items]
Unused credit facility contract amount | $							$ 266,800
Mercantil Servicios Financieros, C.A. (MSF)
Class of Stock [Line Items]
Percent of common stock shares outstanding exchanged						100.00%
Class A
Class of Stock [Line Items]
Common stock, shares authorized (in shares)		400,000,000				400,000,000	400,000,000
Common stock, shares issued (in shares)		74,212,408	74,212,408			74,212,408	74,212,408	74,212,408
Class A | Mercantil Servicios Financieros, C.A. (MSF)
Class of Stock [Line Items]
Common stock, shares outstanding (in shares)						298,570,328
Class B
Class of Stock [Line Items]
Common stock, shares authorized (in shares)		100,000,000				100,000,000	100,000,000
Common stock, shares issued (in shares)		53,253,157	53,253,157			53,253,157	53,253,157	53,253,157
Class B | Mercantil Servicios Financieros, C.A. (MSF)
Class of Stock [Line Items]
Common stock, shares outstanding (in shares)						215,188,764
Mercantil Bank, N.A.
Class of Stock [Line Items]
Ownership percentage of subsidiary		100.00%
Mercantil Bank Holding Corporation | Mercantil Servicios Financieros, C.A. (MSF)
Class of Stock [Line Items]
Ownership percentage of subsidiary					100.00%

Basis of Presentation and Sum32

Basis of Presentation and Summary of Significant Accounting Policies - Revisions of Loans By Class (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	$ 6,219,549	$ 6,066,225
Real estate, commercial and residential portfolio segments
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	4,294,742	4,082,893
Loans to financial institutions and acceptances
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	368,864	497,626
Consumer loans and overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	123,910	130,951
Non-owner occupied | Real estate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	1,864,645	1,713,104
Multi-family residential | Real estate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	858,453	839,709
Land development and construction loans | Real estate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	402,830	406,940
Commercial real estate | Real estate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	3,125,928	2,959,753
Single-family residential | Residential portfolio
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	514,912	512,754
Owner-occupied | Real estate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	653,902	610,386
Owner-occupied | Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	653,902	610,386
Commercial loans | Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	$ 1,432,033	1,354,755
As Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		6,066,225
As Reported | Real estate, commercial and residential portfolio segments
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		3,908,076
As Reported | Loans to financial institutions and acceptances
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		497,626
As Reported | Consumer loans and overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		130,951
As Reported | Non-owner occupied | Real estate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		1,745,839
As Reported | Multi-family residential | Real estate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		795,912
As Reported | Land development and construction loans | Real estate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		421,285
As Reported | Commercial real estate | Real estate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		2,963,036
As Reported | Single-family residential | Residential portfolio
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		515,237
As Reported | Owner-occupied | Real estate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		429,803
As Reported | Owner-occupied | Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		429,803
As Reported | Commercial loans | Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		1,529,572
Effect of change
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		0
Effect of change | Real estate, commercial and residential portfolio segments
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		174,817
Effect of change | Loans to financial institutions and acceptances
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		0
Effect of change | Consumer loans and overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		0
Effect of change | Non-owner occupied | Real estate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		(32,735)
Effect of change | Multi-family residential | Real estate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		43,797
Effect of change | Land development and construction loans | Real estate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		(14,345)
Effect of change | Commercial real estate | Real estate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		(3,283)
Effect of change | Single-family residential | Residential portfolio
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		(2,483)
Effect of change | Owner-occupied | Real estate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		180,583
Effect of change | Owner-occupied | Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		180,583
Effect of change | Commercial loans | Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross		$ (174,817)

Basis of Presentation and Sum33

Basis of Presentation and Summary of Significant Accounting Policies - Revisions of Loan Portfolio Delinquencies By Class (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	$ 6,219,549	$ 6,066,225
Current	6,204,455	6,042,448
Past Due	15,094	23,777
Total Loans in Nonaccrual Status	34,006	26,722
Total Loans 90 Days or More Past Due and Accruing	690	226
Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	4,294,742	4,082,893
Current	4,284,791	4,063,309
Past Due	9,951	19,584
Total Loans in Nonaccrual Status	24,030	17,720
Total Loans 90 Days or More Past Due and Accruing	0	226
Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	368,864	497,626
Current	368,864	497,626
Past Due	0	0
Total Loans in Nonaccrual Status	0	0
Total Loans 90 Days or More Past Due and Accruing	0	0
Consumer loans and overdrafts
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	123,910	130,951
Current	122,234	130,846
Past Due	1,676	105
Total Loans in Nonaccrual Status	42	55
Total Loans 90 Days or More Past Due and Accruing	663	0
Non-owner occupied | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	1,864,645	1,713,104
Current	1,864,496	1,712,624
Past Due	149	480
Total Loans in Nonaccrual Status	10,510	489
Total Loans 90 Days or More Past Due and Accruing	0	0
Multi-family residential | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	858,453	839,709
Current	858,453	839,709
Past Due	0	0
Total Loans in Nonaccrual Status	0	0
Total Loans 90 Days or More Past Due and Accruing	0	0
Land development and construction loans | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	402,830	406,940
Current	402,830	406,940
Past Due	0	0
Total Loans in Nonaccrual Status	0	0
Total Loans 90 Days or More Past Due and Accruing	0	0
Commercial real estate | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	3,125,928	2,959,753
Current	3,125,779	2,959,273
Past Due	149	480
Total Loans in Nonaccrual Status	10,510	489
Total Loans 90 Days or More Past Due and Accruing	0	0
Single-family residential | Residential portfolio
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	514,912	512,754
Current	508,426	501,393
Past Due	6,486	11,361
Total Loans in Nonaccrual Status	6,334	5,004
Total Loans 90 Days or More Past Due and Accruing	0	226
Owner-occupied | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	653,902	610,386
Owner-occupied | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	653,902	610,386
Current	650,586	602,643
Past Due	3,316	7,743
Total Loans in Nonaccrual Status	7,186	12,227
Total Loans 90 Days or More Past Due and Accruing	0	0
Commercial loans | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	1,432,033	1,354,755
Current	1,428,566	1,350,667
Past Due	3,467	4,088
Total Loans in Nonaccrual Status	9,934	8,947
Total Loans 90 Days or More Past Due and Accruing	27	0
30-59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	3,613	10,051
30-59 Days | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	2,630	9,609
30-59 Days | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
30-59 Days | Consumer loans and overdrafts
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	653	57
30-59 Days | Non-owner occupied | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
30-59 Days | Multi-family residential | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
30-59 Days | Land development and construction loans | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
30-59 Days | Commercial real estate | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
30-59 Days | Single-family residential | Residential portfolio
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	919	6,609
30-59 Days | Owner-occupied | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,711	3,000
30-59 Days | Commercial loans | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	330	385
60-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,687	2,958
60-89 Days | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,127	2,924
60-89 Days | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
60-89 Days | Consumer loans and overdrafts
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	360	29
60-89 Days | Non-owner occupied | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
60-89 Days | Multi-family residential | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
60-89 Days | Land development and construction loans | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
60-89 Days | Commercial real estate | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
60-89 Days | Single-family residential | Residential portfolio
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,127	2,750
60-89 Days | Owner-occupied | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	174
60-89 Days | Commercial loans | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	200	5
Greater than 90 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	9,794	10,768
Greater than 90 Days | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	6,194	7,051
Greater than 90 Days | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Greater than 90 Days | Consumer loans and overdrafts
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	663	19
Greater than 90 Days | Non-owner occupied | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	149	480
Greater than 90 Days | Multi-family residential | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Greater than 90 Days | Land development and construction loans | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Greater than 90 Days | Commercial real estate | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	149	480
Greater than 90 Days | Single-family residential | Residential portfolio
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	4,440	2,002
Greater than 90 Days | Owner-occupied | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,605	4,569
Greater than 90 Days | Commercial loans | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	$ 2,937	3,698
As Reported
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		6,066,225
Current		6,042,448
Past Due		23,777
Total Loans in Nonaccrual Status		26,722
Total Loans 90 Days or More Past Due and Accruing		226
As Reported | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		3,908,076
Current		3,890,647
Past Due		17,429
Total Loans in Nonaccrual Status		15,564
Total Loans 90 Days or More Past Due and Accruing		226
As Reported | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		497,626
Current		497,626
Past Due		0
Total Loans in Nonaccrual Status		0
Total Loans 90 Days or More Past Due and Accruing		0
As Reported | Consumer loans and overdrafts
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		130,951
Current		130,846
Past Due		105
Total Loans in Nonaccrual Status		55
Total Loans 90 Days or More Past Due and Accruing		0
As Reported | Non-owner occupied | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		1,745,839
Current		1,745,686
Past Due		153
Total Loans in Nonaccrual Status		162
Total Loans 90 Days or More Past Due and Accruing		0
As Reported | Multi-family residential | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		795,912
Current		795,912
Past Due		0
Total Loans in Nonaccrual Status		0
Total Loans 90 Days or More Past Due and Accruing		0
As Reported | Land development and construction loans | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		421,285
Current		421,285
Past Due		0
Total Loans in Nonaccrual Status		0
Total Loans 90 Days or More Past Due and Accruing		0
As Reported | Commercial real estate | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		2,963,036
Current		2,962,883
Past Due		153
Total Loans in Nonaccrual Status		162
Total Loans 90 Days or More Past Due and Accruing		0
As Reported | Single-family residential | Residential portfolio
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		515,237
Current		504,204
Past Due		11,033
Total Loans in Nonaccrual Status		5,004
Total Loans 90 Days or More Past Due and Accruing		226
As Reported | Owner-occupied | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		429,803
As Reported | Owner-occupied | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		429,803
Current		423,560
Past Due		6,243
Total Loans in Nonaccrual Status		10,398
Total Loans 90 Days or More Past Due and Accruing		0
As Reported | Commercial loans | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		1,529,572
Current		1,523,329
Past Due		6,243
Total Loans in Nonaccrual Status		11,103
Total Loans 90 Days or More Past Due and Accruing		0
As Reported | 30-59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		10,051
As Reported | 30-59 Days | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		8,180
As Reported | 30-59 Days | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
As Reported | 30-59 Days | Consumer loans and overdrafts
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		57
As Reported | 30-59 Days | Non-owner occupied | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
As Reported | 30-59 Days | Multi-family residential | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
As Reported | 30-59 Days | Land development and construction loans | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
As Reported | 30-59 Days | Commercial real estate | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
As Reported | 30-59 Days | Single-family residential | Residential portfolio
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		6,609
As Reported | 30-59 Days | Owner-occupied | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		1,571
As Reported | 30-59 Days | Commercial loans | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		1,814
As Reported | 60-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		2,958
As Reported | 60-89 Days | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		2,924
As Reported | 60-89 Days | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
As Reported | 60-89 Days | Consumer loans and overdrafts
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		29
As Reported | 60-89 Days | Non-owner occupied | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
As Reported | 60-89 Days | Multi-family residential | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
As Reported | 60-89 Days | Land development and construction loans | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
As Reported | 60-89 Days | Commercial real estate | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
As Reported | 60-89 Days | Single-family residential | Residential portfolio
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		2,421
As Reported | 60-89 Days | Owner-occupied | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		503
As Reported | 60-89 Days | Commercial loans | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		5
As Reported | Greater than 90 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		10,768
As Reported | Greater than 90 Days | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		6,325
As Reported | Greater than 90 Days | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
As Reported | Greater than 90 Days | Consumer loans and overdrafts
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		19
As Reported | Greater than 90 Days | Non-owner occupied | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		153
As Reported | Greater than 90 Days | Multi-family residential | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
As Reported | Greater than 90 Days | Land development and construction loans | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
As Reported | Greater than 90 Days | Commercial real estate | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		153
As Reported | Greater than 90 Days | Single-family residential | Residential portfolio
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		2,003
As Reported | Greater than 90 Days | Owner-occupied | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		4,169
As Reported | Greater than 90 Days | Commercial loans | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		4,424
Effect of change
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		0
Current		0
Past Due		0
Total Loans in Nonaccrual Status		0
Total Loans 90 Days or More Past Due and Accruing		0
Effect of change | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		174,817
Current		172,662
Past Due		2,155
Total Loans in Nonaccrual Status		2,156
Total Loans 90 Days or More Past Due and Accruing		0
Effect of change | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		0
Current		0
Past Due		0
Total Loans in Nonaccrual Status		0
Total Loans 90 Days or More Past Due and Accruing		0
Effect of change | Consumer loans and overdrafts
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		0
Current		0
Past Due		0
Total Loans in Nonaccrual Status		0
Total Loans 90 Days or More Past Due and Accruing		0
Effect of change | Non-owner occupied | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		(32,735)
Current		(33,062)
Past Due		327
Total Loans in Nonaccrual Status		327
Total Loans 90 Days or More Past Due and Accruing		0
Effect of change | Multi-family residential | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		43,797
Current		43,797
Past Due		0
Total Loans in Nonaccrual Status		0
Total Loans 90 Days or More Past Due and Accruing		0
Effect of change | Land development and construction loans | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		(14,345)
Current		(14,345)
Past Due		0
Total Loans in Nonaccrual Status		0
Total Loans 90 Days or More Past Due and Accruing		0
Effect of change | Commercial real estate | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		(3,283)
Current		(3,610)
Past Due		327
Total Loans in Nonaccrual Status		327
Total Loans 90 Days or More Past Due and Accruing		0
Effect of change | Single-family residential | Residential portfolio
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		(2,483)
Current		(2,811)
Past Due		328
Total Loans in Nonaccrual Status		0
Total Loans 90 Days or More Past Due and Accruing		0
Effect of change | Owner-occupied | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		180,583
Effect of change | Owner-occupied | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		180,583
Current		179,083
Past Due		1,500
Total Loans in Nonaccrual Status		1,829
Total Loans 90 Days or More Past Due and Accruing		0
Effect of change | Commercial loans | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross		(174,817)
Current		(172,662)
Past Due		(2,155)
Total Loans in Nonaccrual Status		(2,156)
Total Loans 90 Days or More Past Due and Accruing		0
Effect of change | 30-59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | 30-59 Days | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		1,429
Effect of change | 30-59 Days | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | 30-59 Days | Consumer loans and overdrafts
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | 30-59 Days | Non-owner occupied | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | 30-59 Days | Multi-family residential | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | 30-59 Days | Land development and construction loans | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | 30-59 Days | Commercial real estate | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | 30-59 Days | Single-family residential | Residential portfolio
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | 30-59 Days | Owner-occupied | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		1,429
Effect of change | 30-59 Days | Commercial loans | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		(1,429)
Effect of change | 60-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | 60-89 Days | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | 60-89 Days | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | 60-89 Days | Consumer loans and overdrafts
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | 60-89 Days | Non-owner occupied | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | 60-89 Days | Multi-family residential | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | 60-89 Days | Land development and construction loans | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | 60-89 Days | Commercial real estate | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | 60-89 Days | Single-family residential | Residential portfolio
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		329
Effect of change | 60-89 Days | Owner-occupied | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		(329)
Effect of change | 60-89 Days | Commercial loans | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | Greater than 90 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | Greater than 90 Days | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		726
Effect of change | Greater than 90 Days | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | Greater than 90 Days | Consumer loans and overdrafts
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | Greater than 90 Days | Non-owner occupied | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		327
Effect of change | Greater than 90 Days | Multi-family residential | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | Greater than 90 Days | Land development and construction loans | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		0
Effect of change | Greater than 90 Days | Commercial real estate | Real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		327
Effect of change | Greater than 90 Days | Single-family residential | Residential portfolio
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		(1)
Effect of change | Greater than 90 Days | Owner-occupied | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		400
Effect of change | Greater than 90 Days | Commercial loans | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		$ (726)

Basis of Presentation and Sum34

Basis of Presentation and Summary of Significant Accounting Policies - Revisions of Loans by Credit Quality Indicators (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	$ 6,219,549	$ 6,066,225
Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	4,294,742	4,082,893
Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	368,864	497,626
Consumer loans and overdrafts
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	123,910	130,951
Nonclassified
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	6,176,521	6,027,775
Nonclassified | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	4,268,359	4,062,668
Nonclassified | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	368,864	497,626
Nonclassified | Consumer loans and overdrafts
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	118,176	126,838
Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	41,008	38,450
Substandard | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	26,383	20,225
Substandard | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Substandard | Consumer loans and overdrafts
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	5,734	4,113
Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	2,020	0
Doubtful | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Doubtful | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Doubtful | Consumer loans and overdrafts
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Loss
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Loss | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Loss | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Loss | Consumer loans and overdrafts
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Non-owner occupied | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	1,864,645	1,713,104
Non-owner occupied | Nonclassified | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	1,854,135	1,712,615
Non-owner occupied | Substandard | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	10,510	489
Non-owner occupied | Doubtful | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Non-owner occupied | Loss | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Multi-family residential | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	858,453	839,709
Multi-family residential | Nonclassified | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	858,453	839,709
Multi-family residential | Substandard | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Multi-family residential | Doubtful | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Multi-family residential | Loss | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Land development and construction loans | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	402,830	406,940
Land development and construction loans | Nonclassified | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	402,830	406,940
Land development and construction loans | Substandard | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Land development and construction loans | Doubtful | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Land development and construction loans | Loss | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Commercial real estate | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	3,125,928	2,959,753
Commercial real estate | Nonclassified | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	3,115,418	2,959,264
Commercial real estate | Substandard | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	10,510	489
Commercial real estate | Doubtful | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Commercial real estate | Loss | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Single-family residential | Residential portfolio
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	514,912	512,754
Single-family residential | Nonclassified | Residential portfolio
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	508,578	506,885
Single-family residential | Substandard | Residential portfolio
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	6,334	5,869
Single-family residential | Doubtful | Residential portfolio
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Single-family residential | Loss | Residential portfolio
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Owner-occupied | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	653,902	610,386
Owner-occupied | Commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	653,902	610,386
Owner-occupied | Nonclassified | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	644,363	596,519
Owner-occupied | Substandard | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	9,539	13,867
Owner-occupied | Doubtful | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Owner-occupied | Loss | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	0	0
Commercial loans | Commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	1,432,033	1,354,755
Commercial loans | Nonclassified | Commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	1,421,122	1,340,643
Commercial loans | Substandard | Commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	8,891	14,112
Commercial loans | Doubtful | Commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	2,020	0
Commercial loans | Loss | Commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross	$ 0	0
As Reported
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		6,066,225
As Reported | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		3,908,076
As Reported | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		497,626
As Reported | Consumer loans and overdrafts
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		130,951
As Reported | Nonclassified
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		6,026,699
As Reported | Nonclassified | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		3,889,936
As Reported | Nonclassified | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		497,626
As Reported | Nonclassified | Consumer loans and overdrafts
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		125,762
As Reported | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		39,526
As Reported | Substandard | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		18,140
As Reported | Substandard | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Substandard | Consumer loans and overdrafts
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		5,189
As Reported | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Doubtful | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Doubtful | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Doubtful | Consumer loans and overdrafts
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Loss | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Loss | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Loss | Consumer loans and overdrafts
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Non-owner occupied | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		1,745,839
As Reported | Non-owner occupied | Nonclassified | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		1,745,677
As Reported | Non-owner occupied | Substandard | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		162
As Reported | Non-owner occupied | Doubtful | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Non-owner occupied | Loss | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Multi-family residential | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		795,912
As Reported | Multi-family residential | Nonclassified | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		795,912
As Reported | Multi-family residential | Substandard | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Multi-family residential | Doubtful | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Multi-family residential | Loss | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Land development and construction loans | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		421,285
As Reported | Land development and construction loans | Nonclassified | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		421,285
As Reported | Land development and construction loans | Substandard | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Land development and construction loans | Doubtful | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Land development and construction loans | Loss | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Commercial real estate | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		2,963,036
As Reported | Commercial real estate | Nonclassified | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		2,962,874
As Reported | Commercial real estate | Substandard | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		162
As Reported | Commercial real estate | Doubtful | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Commercial real estate | Loss | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Single-family residential | Residential portfolio
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		515,237
As Reported | Single-family residential | Nonclassified | Residential portfolio
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		509,368
As Reported | Single-family residential | Substandard | Residential portfolio
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		5,869
As Reported | Single-family residential | Doubtful | Residential portfolio
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Single-family residential | Loss | Residential portfolio
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Owner-occupied | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		429,803
As Reported | Owner-occupied | Commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		429,803
As Reported | Owner-occupied | Nonclassified | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		417,694
As Reported | Owner-occupied | Substandard | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		12,109
As Reported | Owner-occupied | Doubtful | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Owner-occupied | Loss | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Commercial loans | Commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		1,529,572
As Reported | Commercial loans | Nonclassified | Commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		1,513,375
As Reported | Commercial loans | Substandard | Commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		16,197
As Reported | Commercial loans | Doubtful | Commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
As Reported | Commercial loans | Loss | Commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		174,817
Effect of change | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Consumer loans and overdrafts
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Nonclassified
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		1,076
Effect of change | Nonclassified | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		172,732
Effect of change | Nonclassified | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Nonclassified | Consumer loans and overdrafts
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		1,076
Effect of change | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		(1,076)
Effect of change | Substandard | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		2,085
Effect of change | Substandard | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Substandard | Consumer loans and overdrafts
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		(1,076)
Effect of change | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Doubtful | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Doubtful | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Doubtful | Consumer loans and overdrafts
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Loss | Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Loss | Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Loss | Consumer loans and overdrafts
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Non-owner occupied | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		(32,735)
Effect of change | Non-owner occupied | Nonclassified | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		(33,062)
Effect of change | Non-owner occupied | Substandard | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		327
Effect of change | Non-owner occupied | Doubtful | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Non-owner occupied | Loss | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Multi-family residential | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		43,797
Effect of change | Multi-family residential | Nonclassified | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		43,797
Effect of change | Multi-family residential | Substandard | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Multi-family residential | Doubtful | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Multi-family residential | Loss | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Land development and construction loans | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		(14,345)
Effect of change | Land development and construction loans | Nonclassified | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		(14,345)
Effect of change | Land development and construction loans | Substandard | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Land development and construction loans | Doubtful | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Land development and construction loans | Loss | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Commercial real estate | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		(3,283)
Effect of change | Commercial real estate | Nonclassified | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		(3,610)
Effect of change | Commercial real estate | Substandard | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		327
Effect of change | Commercial real estate | Doubtful | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Commercial real estate | Loss | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Single-family residential | Residential portfolio
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		(2,483)
Effect of change | Single-family residential | Nonclassified | Residential portfolio
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		(2,483)
Effect of change | Single-family residential | Substandard | Residential portfolio
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Single-family residential | Doubtful | Residential portfolio
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Single-family residential | Loss | Residential portfolio
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Owner-occupied | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		180,583
Effect of change | Owner-occupied | Commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		180,583
Effect of change | Owner-occupied | Nonclassified | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		178,825
Effect of change | Owner-occupied | Substandard | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		1,758
Effect of change | Owner-occupied | Doubtful | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Owner-occupied | Loss | Real estate loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Commercial loans | Commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		(174,817)
Effect of change | Commercial loans | Nonclassified | Commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		(172,732)
Effect of change | Commercial loans | Substandard | Commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		(2,085)
Effect of change | Commercial loans | Doubtful | Commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		0
Effect of change | Commercial loans | Loss | Commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans, gross		$ 0

Basis of Presentation and Sum35

Basis of Presentation and Summary of Significant Accounting Policies - Revisions of Allowance For Loan Loss (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses	$ 69,931	$ 72,118	$ 72,000	$ 82,706	$ 79,363	$ 81,751
Real estate loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses	28,693	30,503	31,290	34,840	32,471	30,713
Commercial loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses	29,784	33,672	32,687	40,201	36,658	40,897
Loans to financial institutions and acceptances
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses	3,317	3,671	4,362	3,976	5,615	5,304
Consumer loans and overdrafts
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses	$ 8,137	4,272	3,661	$ 3,689	4,619	4,837
As Reported
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses		72,118	72,000		79,363	81,751
As Reported | Real estate loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses		29,416	30,246		32,742	31,055
As Reported | Commercial loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses		34,759	33,731		36,387	40,555
As Reported | Loans to financial institutions and acceptances
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses		3,671	4,362		5,615	5,304
As Reported | Consumer loans and overdrafts
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses		4,272	3,661		4,619	4,837
Effect of change
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses		0	0		0	0
Effect of change | Real estate loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses		1,087	1,044		(271)	(342)
Effect of change | Commercial loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses		(1,087)	(1,044)		271	342
Effect of change | Loans to financial institutions and acceptances
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses		0	0		0	0
Effect of change | Consumer loans and overdrafts
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses		$ 0	$ 0		$ 0	$ 0

Basis of Presentation and Sum36

Basis of Presentation and Summary of Significant Accounting Policies - Revisions of Impaired Loans (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance	$ 14,924	$ 7,173
Recorded Investment, Without a Valuation Allowance	12,666	15,426
Recorded Investment, Total	27,590	22,599
Year-To-Date Average	26,264	44,233
Total Unpaid Principal Balance	35,954	29,635
Valuation Allowance	6,307	2,866
Real estate loans | Non-owner occupied
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance	10,352	0
Recorded Investment, Without a Valuation Allowance	0	327
Recorded Investment, Total	10,352	327
Year-To-Date Average	8,734	225
Total Unpaid Principal Balance	10,402	327
Valuation Allowance	4,055	0
Real estate loans | Multi-family residential
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance	0	0
Recorded Investment, Without a Valuation Allowance	726	1,318
Recorded Investment, Total	726	1,318
Year-To-Date Average	927	7,898
Total Unpaid Principal Balance	731	1,330
Valuation Allowance	0	0
Real estate loans | Land development and construction loans
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance	0	0
Recorded Investment, Without a Valuation Allowance	0	0
Recorded Investment, Total	0	0
Year-To-Date Average	0	1,359
Total Unpaid Principal Balance	0	0
Valuation Allowance	0	0
Real estate loans | Commercial real estate
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance	10,352	0
Recorded Investment, Without a Valuation Allowance	726	1,645
Recorded Investment, Total	11,078	1,645
Year-To-Date Average	9,661	9,482
Total Unpaid Principal Balance	11,133	1,657
Valuation Allowance	4,055	0
Real estate loans | Owner-occupied
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance	0	0
Recorded Investment, Without a Valuation Allowance	6,303	10,918
Recorded Investment, Total	6,303	10,918
Year-To-Date Average	6,918	13,440
Total Unpaid Principal Balance	6,222	12,323
Valuation Allowance	0	0
Residential portfolio | Single-family residential
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance	0	0
Recorded Investment, Without a Valuation Allowance	306	877
Recorded Investment, Total	306	877
Year-To-Date Average	746	3,100
Total Unpaid Principal Balance	297	871
Valuation Allowance	0	0
Real estate, commercial and residential portfolio segments
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance	10,352	0
Recorded Investment, Without a Valuation Allowance	7,335	13,440
Recorded Investment, Total	17,687	13,440
Year-To-Date Average	17,325	26,022
Total Unpaid Principal Balance	17,652	14,851
Valuation Allowance	4,055	0
Commercial loans | Commercial loans
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance	4,572	7,173
Recorded Investment, Without a Valuation Allowance	5,331	1,986
Recorded Investment, Total	9,903	9,159
Year-To-Date Average	8,939	18,211
Total Unpaid Principal Balance	18,302	14,784
Valuation Allowance	$ 2,252	2,866
As Reported
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance		7,173
Recorded Investment, Without a Valuation Allowance		15,426
Recorded Investment, Total		22,599
Year-To-Date Average		44,233
Total Unpaid Principal Balance		29,635
Valuation Allowance		2,866
As Reported | Real estate loans | Non-owner occupied
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance		0
Recorded Investment, Without a Valuation Allowance		0
Recorded Investment, Total		0
Year-To-Date Average		143
Total Unpaid Principal Balance		0
Valuation Allowance		0
As Reported | Real estate loans | Multi-family residential
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance		0
Recorded Investment, Without a Valuation Allowance		1,318
Recorded Investment, Total		1,318
Year-To-Date Average		7,898
Total Unpaid Principal Balance		1,330
Valuation Allowance		0
As Reported | Real estate loans | Land development and construction loans
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance		0
Recorded Investment, Without a Valuation Allowance		0
Recorded Investment, Total		0
Year-To-Date Average		1,359
Total Unpaid Principal Balance		0
Valuation Allowance		0
As Reported | Real estate loans | Commercial real estate
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance		0
Recorded Investment, Without a Valuation Allowance		1,318
Recorded Investment, Total		1,318
Year-To-Date Average		9,400
Total Unpaid Principal Balance		1,330
Valuation Allowance		0
As Reported | Real estate loans | Owner-occupied
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance		0
Recorded Investment, Without a Valuation Allowance		9,488
Recorded Investment, Total		9,488
Year-To-Date Average		13,080
Total Unpaid Principal Balance		10,494
Valuation Allowance		0
As Reported | Residential portfolio | Single-family residential
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance		0
Recorded Investment, Without a Valuation Allowance		877
Recorded Investment, Total		877
Year-To-Date Average		3,100
Total Unpaid Principal Balance		871
Valuation Allowance		0
As Reported | Real estate, commercial and residential portfolio segments
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance		0
Recorded Investment, Without a Valuation Allowance		11,683
Recorded Investment, Total		11,683
Year-To-Date Average		25,580
Total Unpaid Principal Balance		12,695
Valuation Allowance		0
As Reported | Commercial loans | Commercial loans
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance		7,173
Recorded Investment, Without a Valuation Allowance		3,743
Recorded Investment, Total		10,916
Year-To-Date Average		18,653
Total Unpaid Principal Balance		16,940
Valuation Allowance		2,866
Effect of change
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance		0
Recorded Investment, Without a Valuation Allowance		0
Recorded Investment, Total		0
Year-To-Date Average		0
Total Unpaid Principal Balance		0
Valuation Allowance		0
Effect of change | Real estate loans | Non-owner occupied
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance		0
Recorded Investment, Without a Valuation Allowance		327
Recorded Investment, Total		327
Year-To-Date Average		82
Total Unpaid Principal Balance		327
Valuation Allowance		0
Effect of change | Real estate loans | Multi-family residential
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance		0
Recorded Investment, Without a Valuation Allowance		0
Recorded Investment, Total		0
Year-To-Date Average		0
Total Unpaid Principal Balance		0
Valuation Allowance		0
Effect of change | Real estate loans | Land development and construction loans
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance		0
Recorded Investment, Without a Valuation Allowance		0
Recorded Investment, Total		0
Year-To-Date Average		0
Total Unpaid Principal Balance		0
Valuation Allowance		0
Effect of change | Real estate loans | Commercial real estate
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance		0
Recorded Investment, Without a Valuation Allowance		327
Recorded Investment, Total		327
Year-To-Date Average		82
Total Unpaid Principal Balance		327
Valuation Allowance		0
Effect of change | Real estate loans | Owner-occupied
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance		0
Recorded Investment, Without a Valuation Allowance		1,430
Recorded Investment, Total		1,430
Year-To-Date Average		360
Total Unpaid Principal Balance		1,829
Valuation Allowance		0
Effect of change | Residential portfolio | Single-family residential
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance		0
Recorded Investment, Without a Valuation Allowance		0
Recorded Investment, Total		0
Year-To-Date Average		0
Total Unpaid Principal Balance		0
Valuation Allowance		0
Effect of change | Real estate, commercial and residential portfolio segments
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance		0
Recorded Investment, Without a Valuation Allowance		1,757
Recorded Investment, Total		1,757
Year-To-Date Average		442
Total Unpaid Principal Balance		2,156
Valuation Allowance		0
Effect of change | Commercial loans | Commercial loans
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance		0
Recorded Investment, Without a Valuation Allowance		(1,757)
Recorded Investment, Total		(1,757)
Year-To-Date Average		(442)
Total Unpaid Principal Balance		(2,156)
Valuation Allowance		$ 0

Securities - Narrative (Details

Securities - Narrative (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Debt Securities, Available-for-sale [Line Items]
Available for sale	$ 1,649,665,000	$ 1,687,157,000
Securities available for sale with a fair value, pledged as collateral	270,000,000	246,000,000
Foreign sovereign debt securities
Debt Securities, Available-for-sale [Line Items]
Available for sale	$ 0	$ 0

Securities - Amortized Cost to

Securities - Amortized Cost to Fair Value of Available for Sale Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 1,690,662	$ 1,700,571
Gross Unrealized Gains	3,747	8,445
Gross Unrealized Losses	(44,744)	(21,859)
Estimated Fair Value	1,649,665	1,687,157
U.S. government sponsored enterprise debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	855,688	889,396
Gross Unrealized Gains	1,110	1,784
Gross Unrealized Losses	(29,314)	(15,514)
Estimated Fair Value	827,484	875,666
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	376,581	310,781
Gross Unrealized Gains	2,062	3,446
Gross Unrealized Losses	(3,714)	(835)
Estimated Fair Value	374,929	313,392
U.S. government agency debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	256,498	293,908
Gross Unrealized Gains	300	870
Gross Unrealized Losses	(5,961)	(3,393)
Estimated Fair Value	250,837	291,385
Municipal bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	177,632	179,524
Gross Unrealized Gains	275	2,343
Gross Unrealized Losses	(4,600)	(1,471)
Estimated Fair Value	173,307	180,396
Mutual funds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	24,263	24,262
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(1,155)	(645)
Estimated Fair Value	$ 23,108	23,617
U.S. treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		2,700
Gross Unrealized Gains		2
Gross Unrealized Losses		(1)
Estimated Fair Value		$ 2,701

Securities - Unrealized Loss on

Securities - Unrealized Loss on Available for Sale Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months, Estimated Fair Value	$ 678,177	$ 524,751
12 Months or More, Estimated Fair Value	710,396	719,142
Total, Estimated Fair Value	1,388,573	1,243,893
Less Than 12 Months, Unrealized Loss	(13,027)	(4,443)
12 Months or More, Unrealized Loss	(31,717)	(17,416)
Total, Unrealized Loss	(44,744)	(21,859)
U.S. government sponsored enterprise debt securities
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months, Estimated Fair Value	298,313	333,232
12 Months or More, Estimated Fair Value	482,682	485,555
Total, Estimated Fair Value	780,995	818,787
Less Than 12 Months, Unrealized Loss	(6,389)	(2,956)
12 Months or More, Unrealized Loss	(22,925)	(12,558)
Total, Unrealized Loss	(29,314)	(15,514)
U.S. government agency debt securities
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months, Estimated Fair Value	101,040	92,138
12 Months or More, Estimated Fair Value	127,393	128,316
Total, Estimated Fair Value	228,433	220,454
Less Than 12 Months, Unrealized Loss	(1,949)	(728)
12 Months or More, Unrealized Loss	(4,012)	(2,665)
Total, Unrealized Loss	(5,961)	(3,393)
Municipal bonds
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months, Estimated Fair Value	59,772	4,895
12 Months or More, Estimated Fair Value	72,742	76,003
Total, Estimated Fair Value	132,514	80,898
Less Than 12 Months, Unrealized Loss	(1,152)	(8)
12 Months or More, Unrealized Loss	(3,448)	(1,463)
Total, Unrealized Loss	(4,600)	(1,471)
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months, Estimated Fair Value	219,052	94,486
12 Months or More, Estimated Fair Value	4,714	3,694
Total, Estimated Fair Value	223,766	98,180
Less Than 12 Months, Unrealized Loss	(3,537)	(751)
12 Months or More, Unrealized Loss	(177)	(84)
Total, Unrealized Loss	(3,714)	(835)
Mutual funds
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months, Estimated Fair Value	0	0
12 Months or More, Estimated Fair Value	22,865	23,375
Total, Estimated Fair Value	22,865	23,375
Less Than 12 Months, Unrealized Loss	0	0
12 Months or More, Unrealized Loss	(1,155)	(645)
Total, Unrealized Loss	$ (1,155)	(645)
U.S. treasury securities
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months, Estimated Fair Value		0
12 Months or More, Estimated Fair Value		2,199
Total, Estimated Fair Value		2,199
Less Than 12 Months, Unrealized Loss		0
12 Months or More, Unrealized Loss		(1)
Total, Unrealized Loss		$ (1)

Securities - Held to Maturity S

Securities - Held to Maturity Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 88,440	$ 89,860
Gross Unrealized Gains	0	47
Gross Unrealized Losses	(3,569)	(441)
Estimated Fair Value	84,871	89,466
U.S. government sponsored enterprise debt securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	85,497	86,826
Gross Unrealized Gains	0	47
Gross Unrealized Losses	(3,486)	(441)
Estimated Fair Value	82,011	86,432
U.S. government agency debt securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	2,943	3,034
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(83)	0
Estimated Fair Value	$ 2,860	$ 3,034

Securities - Contractual Maturi

Securities - Contractual Maturities on Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Available for Sale, Amortized Cost
Within 1 year	$ 2,816
After 1 year through 5 years	331,256
After 5 years through 10 years	253,954
After 10 years	1,078,373
No contractual maturities	24,263
Amortized Cost	1,690,662	$ 1,700,571
Available for Sale, Estimated Fair Value
Within 1 year	2,808
After 1 year through 5 years	328,917
After 5 years through 10 years	249,963
After 10 years	1,044,869
No contractual maturities	23,108
Estimated Fair Value	1,649,665	1,687,157
Held to Maturity, Amortized Cost
Within 1 year	0
After 1 year through 5 years	0
After 5 years through 10 years	0
After 10 years	88,440
No contractual maturities	0
Amortized Cost	88,440	89,860
Held to Maturity, Estimated Fair Value
Within 1 year	0
After 1 year through 5 years	0
After 5 years through 10 years	0
After 10 years	84,871
No contractual maturities	0
Estimated Fair Value	$ 84,871	$ 89,466

Loans - Narrative (Details)

Loans - Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Receivables [Abstract]
Syndication facilities included in loans	$ 1,048	$ 989
Cash collateral on loans	28	31.9
Loans pledged as collateral	$ 1,730	$ 1,476

Loans - Loan Portfolio by Class

Loans - Loan Portfolio by Classes (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 6,219,549	$ 6,066,225
Real estate loans | Non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,864,645	1,713,104
Real estate loans | Multi-family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	858,453	839,709
Real estate loans | Land development and construction loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	402,830	406,940
Real estate loans | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,125,928	2,959,753
Real estate loans | Owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	653,902	610,386
Residential portfolio | Single-family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	514,912	512,754
Commercial loans | Owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	653,902	610,386
Commercial loans | Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,432,033	1,354,755
Real estate, commercial and residential portfolio segments
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	4,294,742	4,082,893
Loans to financial institutions and acceptances
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	368,864	497,626
Consumer loans and overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 123,910	$ 130,951

Loans - Loan Portfolio by Count

Loans - Loan Portfolio by Countries (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 6,219,549	$ 6,066,225
Others | Assets, total | Geographic concentration risk
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk, percentage	1.00%	1.00%
International
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 645,908	$ 755,269
International | Brazil
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	140,705	141,088
International | Venezuela
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	171,818	182,678
International | Chile
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans		94,543
International | Others
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	333,385	336,960
Residential portfolio | International
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	143,179	152,713
Residential portfolio | International | Brazil
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	212	219
Residential portfolio | International | Venezuela
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	136,681	145,069
Residential portfolio | International | Chile
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans		179
Residential portfolio | International | Others
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	6,286	7,246
Loans to financial institutions and acceptances
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	368,864	497,626
Loans to financial institutions and acceptances | International
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	352,364	481,183
Loans to financial institutions and acceptances | International | Brazil
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	130,866	129,372
Loans to financial institutions and acceptances | International | Venezuela
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	0	0
Loans to financial institutions and acceptances | International | Chile
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans		93,000
Loans to financial institutions and acceptances | International | Others
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	221,498	258,811
Commercial loans | International
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	103,977	69,294
Commercial loans | International | Brazil
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	5,974	8,451
Commercial loans | International | Venezuela
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	0	0
Commercial loans | International | Chile
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans		0
Commercial loans | International | Others
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	98,003	60,843
Consumer loans and overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	123,910	130,951
Consumer loans and overdrafts | International
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	46,388	52,079
Consumer loans and overdrafts | International | Brazil
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,653	3,046
Consumer loans and overdrafts | International | Venezuela
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	35,137	37,609
Consumer loans and overdrafts | International | Chile
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans		1,364
Consumer loans and overdrafts | International | Others
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 7,598	$ 10,060

Loans - Loans by Delinquency (D

Loans - Loans by Delinquency (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans, Net of Unearned Income	$ 6,219,549	$ 6,066,225
Current	6,204,455	6,042,448
Past Due	15,094	23,777
Total Loans in Nonaccrual Status	34,006	26,722
Total Loans 90 Days or More Past Due and Accruing	690	226
30-59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	3,613	10,051
60-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,687	2,958
Greater than 90 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	9,794	10,768
Real estate loans | Non-owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans, Net of Unearned Income	1,864,645	1,713,104
Current	1,864,496	1,712,624
Past Due	149	480
Total Loans in Nonaccrual Status	10,510	489
Total Loans 90 Days or More Past Due and Accruing	0	0
Real estate loans | Non-owner occupied | 30-59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Real estate loans | Non-owner occupied | 60-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Real estate loans | Non-owner occupied | Greater than 90 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	149	480
Real estate loans | Multi-family residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans, Net of Unearned Income	858,453	839,709
Current	858,453	839,709
Past Due	0	0
Total Loans in Nonaccrual Status	0	0
Total Loans 90 Days or More Past Due and Accruing	0	0
Real estate loans | Multi-family residential | 30-59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Real estate loans | Multi-family residential | 60-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Real estate loans | Multi-family residential | Greater than 90 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Real estate loans | Land development and construction loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans, Net of Unearned Income	402,830	406,940
Current	402,830	406,940
Past Due	0	0
Total Loans in Nonaccrual Status	0	0
Total Loans 90 Days or More Past Due and Accruing	0	0
Real estate loans | Land development and construction loans | 30-59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Real estate loans | Land development and construction loans | 60-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Real estate loans | Land development and construction loans | Greater than 90 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Real estate loans | Commercial real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans, Net of Unearned Income	3,125,928	2,959,753
Current	3,125,779	2,959,273
Past Due	149	480
Total Loans in Nonaccrual Status	10,510	489
Total Loans 90 Days or More Past Due and Accruing	0	0
Real estate loans | Commercial real estate | 30-59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Real estate loans | Commercial real estate | 60-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Real estate loans | Commercial real estate | Greater than 90 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	149	480
Real estate loans | Owner-occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans, Net of Unearned Income	653,902	610,386
Residential portfolio | Single-family residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans, Net of Unearned Income	514,912	512,754
Current	508,426	501,393
Past Due	6,486	11,361
Total Loans in Nonaccrual Status	6,334	5,004
Total Loans 90 Days or More Past Due and Accruing	0	226
Residential portfolio | Single-family residential | 30-59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	919	6,609
Residential portfolio | Single-family residential | 60-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,127	2,750
Residential portfolio | Single-family residential | Greater than 90 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	4,440	2,002
Commercial loans | Owner-occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans, Net of Unearned Income	653,902	610,386
Current	650,586	602,643
Past Due	3,316	7,743
Total Loans in Nonaccrual Status	7,186	12,227
Total Loans 90 Days or More Past Due and Accruing	0	0
Commercial loans | Owner-occupied | 30-59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,711	3,000
Commercial loans | Owner-occupied | 60-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	174
Commercial loans | Owner-occupied | Greater than 90 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,605	4,569
Commercial loans | Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans, Net of Unearned Income	1,432,033	1,354,755
Current	1,428,566	1,350,667
Past Due	3,467	4,088
Total Loans in Nonaccrual Status	9,934	8,947
Total Loans 90 Days or More Past Due and Accruing	27	0
Commercial loans | Commercial loans | 30-59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	330	385
Commercial loans | Commercial loans | 60-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	200	5
Commercial loans | Commercial loans | Greater than 90 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	2,937	3,698
Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans, Net of Unearned Income	4,294,742	4,082,893
Current	4,284,791	4,063,309
Past Due	9,951	19,584
Total Loans in Nonaccrual Status	24,030	17,720
Total Loans 90 Days or More Past Due and Accruing	0	226
Real estate, commercial and residential portfolio segments | 30-59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	2,630	9,609
Real estate, commercial and residential portfolio segments | 60-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,127	2,924
Real estate, commercial and residential portfolio segments | Greater than 90 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	6,194	7,051
Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans, Net of Unearned Income	368,864	497,626
Current	368,864	497,626
Past Due	0	0
Total Loans in Nonaccrual Status	0	0
Total Loans 90 Days or More Past Due and Accruing	0	0
Loans to financial institutions and acceptances | 30-59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Loans to financial institutions and acceptances | 60-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Loans to financial institutions and acceptances | Greater than 90 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Consumer loans and overdrafts
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans, Net of Unearned Income	123,910	130,951
Current	122,234	130,846
Past Due	1,676	105
Total Loans in Nonaccrual Status	42	55
Total Loans 90 Days or More Past Due and Accruing	663	0
Consumer loans and overdrafts | 30-59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	653	57
Consumer loans and overdrafts | 60-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	360	29
Consumer loans and overdrafts | Greater than 90 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	$ 663	$ 19

Allowance for Loan Losses - Nar

Allowance for Loan Losses - Narrative (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018USD ($)	Jun. 30, 2017USD ($)	Jun. 30, 2018USD ($)loan	Jun. 30, 2017USD ($)
Financing Receivable, Impaired [Line Items]
Recorded investment in loans considered troubled debt restructuring			$ 12,900
Interest income recognized on impaired loans	$ 83	$ 1,100	108	$ 1,100
Charge off against Allowance for loan losses			$ 1,100
TDR loans completed | loan			0
Real estate loans | Non-owner occupied
Financing Receivable, Impaired [Line Items]
Recorded investment in loans considered troubled debt restructuring			$ 10,400
Real estate loans | Owner-occupied
Financing Receivable, Impaired [Line Items]
Recorded investment in loans considered troubled debt restructuring			1,900
Commercial loans
Financing Receivable, Impaired [Line Items]
Recorded investment in loans considered troubled debt restructuring			$ 600

Allowance for Loan Losses - All

Allowance for Loan Losses - Allowances by Loan Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balances at beginning of the period	$ 72,118	$ 79,363	$ 72,000	$ 81,751
(Reversal of) provision for loan losses	150	3,646	150	7,743
Recoveries	398	1,210	1,317	1,371
Balances at end of the period	69,931	82,706	69,931	82,706
Allowance for loan losses by impairment methodology, Individually evaluated	6,307	3,407	6,307	3,407
Allowance for loan losses by impairment methodology, Collectively evaluated	63,624	79,299	63,624	79,299
Investment in loans, net of unearned income, Individually evaluated	27,590	52,865	27,590	52,865
Investment in loans, net of unearned income, Collectively evaluated	6,191,959	6,024,500	6,191,959	6,024,500
Total Loans, Net of Unearned Income	6,219,549	6,077,365	6,219,549	6,077,365
Domestic
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Loans charged-off	(2,453)	(1,112)	(2,854)	(1,640)
International
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Loans charged-off	(282)	(401)	(682)	(6,519)
Real estate loans
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balances at beginning of the period	30,503	32,471	31,290	30,713
(Reversal of) provision for loan losses	(1,814)	2,262	(2,635)	4,056
Recoveries	4	107	38	168
Balances at end of the period	28,693	34,840	28,693	34,840
Allowance for loan losses by impairment methodology, Individually evaluated	4,055	0	4,055	0
Allowance for loan losses by impairment methodology, Collectively evaluated	24,638	34,840	24,638	34,840
Investment in loans, net of unearned income, Individually evaluated	11,078	13,733	11,078	13,733
Investment in loans, net of unearned income, Collectively evaluated	3,078,004	2,708,546	3,078,004	2,708,546
Total Loans, Net of Unearned Income	3,089,082	2,722,279	3,089,082	2,722,279
Real estate loans | Domestic
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Loans charged-off	0	0	0	(97)
Real estate loans | International
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Loans charged-off	0	0	0	0
Commercial loans
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balances at beginning of the period	33,672	36,658	32,687	40,897
(Reversal of) provision for loan losses	(1,750)	4,760	(1,215)	6,695
Recoveries	269	23	1,101	66
Balances at end of the period	29,784	40,201	29,784	40,201
Allowance for loan losses by impairment methodology, Individually evaluated	2,252	3,407	2,252	3,407
Allowance for loan losses by impairment methodology, Collectively evaluated	27,532	36,794	27,532	36,794
Investment in loans, net of unearned income, Individually evaluated	16,206	36,855	16,206	36,855
Investment in loans, net of unearned income, Collectively evaluated	2,184,226	2,351,544	2,184,226	2,351,544
Total Loans, Net of Unearned Income	2,200,432	2,388,399	2,200,432	2,388,399
Commercial loans | Domestic
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Loans charged-off	(2,355)	(1,097)	(2,737)	(1,415)
Commercial loans | International
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Loans charged-off	(52)	(143)	(52)	(6,042)
Loans to financial institutions and acceptances
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balances at beginning of the period	3,671	5,615	4,362	5,304
(Reversal of) provision for loan losses	(354)	(1,639)	(1,045)	(1,328)
Recoveries	0	0	0	0
Balances at end of the period	3,317	3,976	3,317	3,976
Allowance for loan losses by impairment methodology, Individually evaluated	0	0	0	0
Allowance for loan losses by impairment methodology, Collectively evaluated	3,317	3,976	3,317	3,976
Investment in loans, net of unearned income, Individually evaluated	0	0	0	0
Investment in loans, net of unearned income, Collectively evaluated	371,498	424,434	371,498	424,434
Total Loans, Net of Unearned Income	371,498	424,434	371,498	424,434
Loans to financial institutions and acceptances | Domestic
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Loans charged-off	0	0	0	0
Loans to financial institutions and acceptances | International
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Loans charged-off	0	0	0	0
Consumer loans and overdrafts
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balances at beginning of the period	4,272	4,619	3,661	4,837
(Reversal of) provision for loan losses	4,068	(1,737)	5,045	(1,680)
Recoveries	125	1,080	178	1,137
Balances at end of the period	8,137	3,689	8,137	3,689
Allowance for loan losses by impairment methodology, Individually evaluated	0	0	0	0
Allowance for loan losses by impairment methodology, Collectively evaluated	8,137	3,689	8,137	3,689
Investment in loans, net of unearned income, Individually evaluated	306	2,277	306	2,277
Investment in loans, net of unearned income, Collectively evaluated	558,231	539,976	558,231	539,976
Total Loans, Net of Unearned Income	558,537	542,253	558,537	542,253
Consumer loans and overdrafts | Domestic
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Loans charged-off	(98)	(15)	(117)	(128)
Consumer loans and overdrafts | International
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Loans charged-off	$ (230)	$ (258)	$ (630)	$ (477)

Allowance for Loan Losses - Rec

Allowance for Loan Losses - Recorded Investment of Loan Sales (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Financing Receivable, Impaired [Line Items]
Amount of loan sales	$ 10,823,000	$ 9,741,000	$ 23,781,000	$ 63,256,000
Real estate loans
Financing Receivable, Impaired [Line Items]
Amount of loan sales	5,049,000	2,045,000	8,007,000	3,922,000
Commercial loans
Financing Receivable, Impaired [Line Items]
Amount of loan sales	5,774,000	7,696,000	15,774,000	35,057,000
Loans to financial institutions and acceptances
Financing Receivable, Impaired [Line Items]
Amount of loan sales	0	0	0	24,277,000
Consumer loans and overdrafts
Financing Receivable, Impaired [Line Items]
Amount of loan sales	$ 0	$ 0	$ 0	$ 0

Allowance for Loan Losses - Imp

Allowance for Loan Losses - Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance	$ 14,924		$ 14,924		$ 7,173
Recorded Investment, Without a Valuation Allowance	12,666		12,666		15,426
Recorded Investment, Total	27,590		27,590		22,599
Year-To-Date Average			26,264		44,233
Total Unpaid Principal Balance	35,954		35,954		29,635
Valuation Allowance	6,307		6,307		2,866
Interest Income Recognized	83	$ 1,100	108	$ 1,100
Real estate loans | Non-owner occupied
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance	10,352		10,352		0
Recorded Investment, Without a Valuation Allowance	0		0		327
Recorded Investment, Total	10,352		10,352		327
Year-To-Date Average			8,734		225
Total Unpaid Principal Balance	10,402		10,402		327
Valuation Allowance	4,055		4,055		0
Real estate loans | Multi-family residential
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance	0		0		0
Recorded Investment, Without a Valuation Allowance	726		726		1,318
Recorded Investment, Total	726		726		1,318
Year-To-Date Average			927		7,898
Total Unpaid Principal Balance	731		731		1,330
Valuation Allowance	0		0		0
Real estate loans | Land development and construction loans
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance	0		0		0
Recorded Investment, Without a Valuation Allowance	0		0		0
Recorded Investment, Total	0		0		0
Year-To-Date Average			0		1,359
Total Unpaid Principal Balance	0		0		0
Valuation Allowance	0		0		0
Real estate loans | Commercial real estate
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance	10,352		10,352		0
Recorded Investment, Without a Valuation Allowance	726		726		1,645
Recorded Investment, Total	11,078		11,078		1,645
Year-To-Date Average			9,661		9,482
Total Unpaid Principal Balance	11,133		11,133		1,657
Valuation Allowance	4,055		4,055		0
Real estate loans | Owner-occupied
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance	0		0		0
Recorded Investment, Without a Valuation Allowance	6,303		6,303		10,918
Recorded Investment, Total	6,303		6,303		10,918
Year-To-Date Average			6,918		13,440
Total Unpaid Principal Balance	6,222		6,222		12,323
Valuation Allowance	0		0		0
Residential portfolio | Single-family residential
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance	0		0		0
Recorded Investment, Without a Valuation Allowance	306		306		877
Recorded Investment, Total	306		306		877
Year-To-Date Average			746		3,100
Total Unpaid Principal Balance	297		297		871
Valuation Allowance	0		0		0
Real estate, commercial and residential portfolio segments
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance	10,352		10,352		0
Recorded Investment, Without a Valuation Allowance	7,335		7,335		13,440
Recorded Investment, Total	17,687		17,687		13,440
Year-To-Date Average			17,325		26,022
Total Unpaid Principal Balance	17,652		17,652		14,851
Valuation Allowance	4,055		4,055		0
Commercial loans | Commercial loans
Financing Receivable, Impaired [Line Items]
Recorded Investment, With a Valuation Allowance	4,572		4,572		7,173
Recorded Investment, Without a Valuation Allowance	5,331		5,331		1,986
Recorded Investment, Total	9,903		9,903		9,159
Year-To-Date Average			8,939		18,211
Total Unpaid Principal Balance	18,302		18,302		14,784
Valuation Allowance	$ 2,252		$ 2,252		$ 2,866

Allowance for Loan Losses - Cre

Allowance for Loan Losses - Credit Risk Quality (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 6,219,549	$ 6,066,225
Nonclassified
Financing Receivable, Recorded Investment [Line Items]
Loans	6,176,521	6,027,775
Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	41,008	38,450
Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans	2,020	0
Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real estate loans | Non-owner occupied
Financing Receivable, Recorded Investment [Line Items]
Loans	1,864,645	1,713,104
Real estate loans | Non-owner occupied | Nonclassified
Financing Receivable, Recorded Investment [Line Items]
Loans	1,854,135	1,712,615
Real estate loans | Non-owner occupied | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	10,510	489
Real estate loans | Non-owner occupied | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real estate loans | Non-owner occupied | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real estate loans | Multi-family residential
Financing Receivable, Recorded Investment [Line Items]
Loans	858,453	839,709
Real estate loans | Multi-family residential | Nonclassified
Financing Receivable, Recorded Investment [Line Items]
Loans	858,453	839,709
Real estate loans | Multi-family residential | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real estate loans | Multi-family residential | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real estate loans | Multi-family residential | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real estate loans | Land development and construction loans
Financing Receivable, Recorded Investment [Line Items]
Loans	402,830	406,940
Real estate loans | Land development and construction loans | Nonclassified
Financing Receivable, Recorded Investment [Line Items]
Loans	402,830	406,940
Real estate loans | Land development and construction loans | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real estate loans | Land development and construction loans | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real estate loans | Land development and construction loans | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real estate loans | Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Loans	3,125,928	2,959,753
Real estate loans | Commercial real estate | Nonclassified
Financing Receivable, Recorded Investment [Line Items]
Loans	3,115,418	2,959,264
Real estate loans | Commercial real estate | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	10,510	489
Real estate loans | Commercial real estate | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real estate loans | Commercial real estate | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real estate loans | Owner-occupied
Financing Receivable, Recorded Investment [Line Items]
Loans	653,902	610,386
Real estate loans | Owner-occupied | Nonclassified
Financing Receivable, Recorded Investment [Line Items]
Loans	644,363	596,519
Real estate loans | Owner-occupied | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	9,539	13,867
Real estate loans | Owner-occupied | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real estate loans | Owner-occupied | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real estate, commercial and residential portfolio segments
Financing Receivable, Recorded Investment [Line Items]
Loans	4,294,742	4,082,893
Real estate, commercial and residential portfolio segments | Nonclassified
Financing Receivable, Recorded Investment [Line Items]
Loans	4,268,359	4,062,668
Real estate, commercial and residential portfolio segments | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	26,383	20,225
Real estate, commercial and residential portfolio segments | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real estate, commercial and residential portfolio segments | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Residential portfolio | Single-family residential
Financing Receivable, Recorded Investment [Line Items]
Loans	514,912	512,754
Residential portfolio | Single-family residential | Nonclassified
Financing Receivable, Recorded Investment [Line Items]
Loans	508,578	506,885
Residential portfolio | Single-family residential | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	6,334	5,869
Residential portfolio | Single-family residential | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Residential portfolio | Single-family residential | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Commercial loans | Owner-occupied
Financing Receivable, Recorded Investment [Line Items]
Loans	653,902	610,386
Commercial loans | Commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans	1,432,033	1,354,755
Commercial loans | Commercial loans | Nonclassified
Financing Receivable, Recorded Investment [Line Items]
Loans	1,421,122	1,340,643
Commercial loans | Commercial loans | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	8,891	14,112
Commercial loans | Commercial loans | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans	2,020	0
Commercial loans | Commercial loans | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Loans to financial institutions and acceptances
Financing Receivable, Recorded Investment [Line Items]
Loans	368,864	497,626
Loans to financial institutions and acceptances | Nonclassified
Financing Receivable, Recorded Investment [Line Items]
Loans	368,864	497,626
Loans to financial institutions and acceptances | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Loans to financial institutions and acceptances | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Loans to financial institutions and acceptances | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Consumer loans and overdrafts
Financing Receivable, Recorded Investment [Line Items]
Loans	123,910	130,951
Consumer loans and overdrafts | Nonclassified
Financing Receivable, Recorded Investment [Line Items]
Loans	118,176	126,838
Consumer loans and overdrafts | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	5,734	4,113
Consumer loans and overdrafts | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Consumer loans and overdrafts | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 0	$ 0

Time Deposits (Details)

Time Deposits (Details) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Banking and Thrift [Abstract]
Time deposits, $100,000 or more	$ 1,400	$ 1,200
Time deposits, $250,000 or more	723	624
Time deposits, including brokered deposits, less than $100,000	$ 738	$ 780

Advances From the Federal Hom52

Advances From the Federal Home Loan Bank and Other Borrowings (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
2,018	$ 417,000	$ 567,000
2,019	225,000	155,000
2,020	306,000	211,000
2,021	190,000	240,000
2,022	120,000	0
Advances from Federal Home Loan Banks	$ 1,258,000	$ 1,173,000
3-month LIBOR | Minimum
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Interest Rate 2018	0.90%
Interest Rate 2019	1.00%
Interest Rate 2020	1.50%
Interest Rate 2021	1.93%
Interest Rate 2022	2.48%
3-month LIBOR | Maximum
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Interest Rate 2018	2.38%
Interest Rate 2019	3.86%
Interest Rate 2020	2.74%
Interest Rate 2021	2.50%
Interest Rate 2022	2.80%

Derivative Instruments - Narrat

Derivative Instruments - Narrative (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2018USD ($)instrument	Jun. 30, 2017USD ($)	Jun. 30, 2018USD ($)instrument	Jun. 30, 2017USD ($)	Dec. 31, 2017USD ($)instrument
Derivatives, Fair Value [Line Items]
Hedge ineffectiveness gain (loss)	$ 0	$ 0	$ 0	$ 0
Derivatives Designated as Hedging Instruments | Interest Rate Swap Contracts
Derivatives, Fair Value [Line Items]
Number of instruments held | instrument	16		16		15
Notional amount	$ 280,000,000		$ 280,000,000		$ 255,000,000
Derivatives Not Designated as Hedging Instruments | Interest Rate Swap Contracts | Customers
Derivatives, Fair Value [Line Items]
Number of instruments held | instrument	2		2		1
Notional amount	$ 57,800,000		$ 57,800,000		$ 54,600,000
Derivatives Not Designated as Hedging Instruments | Interest Rate Cap Contracts | Customers
Derivatives, Fair Value [Line Items]
Number of instruments held | instrument	11		11		7
Notional amount	$ 275,700,000		$ 275,700,000		$ 162,100,000

Derivative Instruments - Schedu

Derivative Instruments - Schedule of Derivatives (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Other Assets
Derivatives, Fair Value [Line Items]
Derivative asset	$ 15,805	$ 7,032
Other Liabilities
Derivatives, Fair Value [Line Items]
Derivative liability	1,388	1,570
Derivatives Designated as Hedging Instruments | Interest Rate Swap Contracts | Other Assets
Derivatives, Fair Value [Line Items]
Derivative asset	14,417	5,462
Derivatives Designated as Hedging Instruments | Interest Rate Swap Contracts | Other Liabilities
Derivatives, Fair Value [Line Items]
Derivative liability	0	0
Derivatives Not Designated as Hedging Instruments | Interest Rate Swap Contracts | Other Assets
Derivatives, Fair Value [Line Items]
Derivative asset	304	1,375
Derivatives Not Designated as Hedging Instruments | Interest Rate Swap Contracts | Other Liabilities
Derivatives, Fair Value [Line Items]
Derivative liability	304	1,375
Derivatives Not Designated as Hedging Instruments | Interest Rate Swap Contracts | Customers | Other Assets
Derivatives, Fair Value [Line Items]
Derivative asset	304	1,375
Derivatives Not Designated as Hedging Instruments | Interest Rate Swap Contracts | Customers | Other Liabilities
Derivatives, Fair Value [Line Items]
Derivative liability	0	0
Derivatives Not Designated as Hedging Instruments | Interest Rate Swap Contracts | Third Party Broker | Other Assets
Derivatives, Fair Value [Line Items]
Derivative asset	0	0
Derivatives Not Designated as Hedging Instruments | Interest Rate Swap Contracts | Third Party Broker | Other Liabilities
Derivatives, Fair Value [Line Items]
Derivative liability	304	1,375
Derivatives Not Designated as Hedging Instruments | Interest Rate Cap Contracts | Other Assets
Derivatives, Fair Value [Line Items]
Derivative asset	1,084	195
Derivatives Not Designated as Hedging Instruments | Interest Rate Cap Contracts | Other Liabilities
Derivatives, Fair Value [Line Items]
Derivative liability	1,084	195
Derivatives Not Designated as Hedging Instruments | Interest Rate Cap Contracts | Customers | Other Assets
Derivatives, Fair Value [Line Items]
Derivative asset	0	0
Derivatives Not Designated as Hedging Instruments | Interest Rate Cap Contracts | Customers | Other Liabilities
Derivatives, Fair Value [Line Items]
Derivative liability	1,084	195
Derivatives Not Designated as Hedging Instruments | Interest Rate Cap Contracts | Third Party Broker | Other Assets
Derivatives, Fair Value [Line Items]
Derivative asset	1,084	195
Derivatives Not Designated as Hedging Instruments | Interest Rate Cap Contracts | Third Party Broker | Other Liabilities
Derivatives, Fair Value [Line Items]
Derivative liability	$ 0	$ 0

Income Taxes (Details)

Income Taxes (Details)	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Income Tax Disclosure [Abstract]
Effective income tax rate	26.80%	30.21%

Accumulated Other Comprehensi56

Accumulated Other Comprehensive Loss (“AOCL”) - Componenets of AOCL (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]
Before Tax Amount	$ (26,580)	$ (7,813)
Tax Effect	6,527	1,680
Net of Tax Amount	(20,053)	(6,133)
Unrealized losses on available for sale securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Before Tax Amount	(40,997)	(13,415)
Tax Effect	10,023	2,884
Net of Tax Amount	(30,974)	(10,531)
Unrealized gains on interest rate swaps designated as cash flow hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Before Tax Amount	14,417	5,602
Tax Effect	(3,496)	(1,204)
Net of Tax Amount	$ 10,921	$ 4,398

Accumulated Other Comprehensi57

Accumulated Other Comprehensive Loss (“AOCL”) - Components of Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Before Tax Amount
Other comprehensive loss, before tax	$ (4,139)	$ 6,873	$ (18,767)	$ 9,627
Tax Effect
Other comprehensive loss, tax	826	(2,439)	4,847	(3,417)
Net of Tax Amount
Reclassifications from accumulated other comprehensive loss, net of tax	2	(93)	159	(47)
Other comprehensive (loss) income	(3,313)	4,434	(13,920)	6,210
Unrealized (losses) gains on available for sale securities:
Before Tax Amount
Other comprehensive loss, before reclassifications and tax	(6,716)	9,271	(27,566)	11,708
Reclassification from accumulated other comprehensive loss, before tax	(16)	(177)	(16)	(155)
Other comprehensive loss, before tax	(6,732)	9,094	(27,582)	11,553
Tax Effect
Other comprehensive loss before reclassifications, tax	1,262	(3,291)	7,135	(4,156)
Reclassification from accumulated other comprehensive loss, tax	4	63	4	55
Other comprehensive loss, tax	1,266	(3,228)	7,139	(4,101)
Net of Tax Amount
Other comprehensive loss, before reclassifications, net of tax	(5,454)	5,980	(20,431)	7,552
Reclassifications from accumulated other comprehensive loss, net of tax	(12)	(114)	(12)	(100)
Other comprehensive (loss) income	(5,466)	5,866	(20,443)	7,452
Unrealized gains (losses) on interest rate swaps designated as cash flow hedges:
Before Tax Amount
Other comprehensive loss, before reclassifications and tax	2,574	(2,253)	8,608	(2,008)
Reclassification from accumulated other comprehensive loss, before tax	19	32	207	82
Other comprehensive loss, before tax	2,593	(2,221)	8,815	(1,926)
Tax Effect
Other comprehensive loss before reclassifications, tax	(435)	800	(2,256)	713
Reclassification from accumulated other comprehensive loss, tax	(5)	(11)	(36)	(29)
Other comprehensive loss, tax	(440)	789	(2,292)	684
Net of Tax Amount
Other comprehensive loss, before reclassifications, net of tax	2,139	(1,453)	6,352	(1,295)
Reclassifications from accumulated other comprehensive loss, net of tax	14	21	171	53
Other comprehensive (loss) income	$ 2,153	$ (1,432)	$ 6,523	$ (1,242)

Commitments and Contingencies -

Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Commitments and Contingencies Disclosure [Abstract]
Rent expense	$ 1.6	$ 1.4	$ 3	$ 3

Commitments and Contingencies59

Commitments and Contingencies - Summary of Off-Balance Sheet Credit Risk (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Approximate Contract Amount	$ 975,341
Commitments to extend credit
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Approximate Contract Amount	750,440
Credit card facilities
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Approximate Contract Amount	200,912	$ 200,200
Standby letters of credit
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Approximate Contract Amount	19,271
Commercial letters of credit
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Approximate Contract Amount	$ 4,718

Fair Value Measurements - Narra

Fair Value Measurements - Narrative (Details)	Jun. 30, 2018USD ($)
Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets (liabilities) measured at fair value	$ 0

Fair Value Measurements - Asset

Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Securities available for sale
Securities available for sale	$ 1,649,665	$ 1,687,157
Fair Value, Measurements, Recurring
Securities available for sale
Securities available for sale	1,649,665	1,687,157
Bank owned life insurance	203,236	200,318
Derivative instruments	15,805	7,032
Assets, fair value	1,868,706	1,894,507
Liabilities
Derivative instruments	1,388	1,570
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Securities available for sale
Securities available for sale	0	0
Bank owned life insurance	0	0
Derivative instruments	0	0
Assets, fair value	0	0
Liabilities
Derivative instruments	0	0
Fair Value, Measurements, Recurring | Third-Party Models with Observable Market Inputs (Level 2)
Securities available for sale
Securities available for sale	1,649,665	1,687,157
Bank owned life insurance	203,236	200,318
Derivative instruments	15,805	7,032
Assets, fair value	1,868,706	1,894,507
Liabilities
Derivative instruments	1,388	1,570
Fair Value, Measurements, Recurring | Internal Models with Unobservable Market Inputs (Level 3)
Securities available for sale
Securities available for sale	0	0
Bank owned life insurance	0	0
Derivative instruments	0	0
Assets, fair value	0	0
Liabilities
Derivative instruments	0	0
U.S. government sponsored enterprise debt securities
Securities available for sale
Securities available for sale	827,484	875,666
U.S. government sponsored enterprise debt securities | Fair Value, Measurements, Recurring
Securities available for sale
Securities available for sale	827,484	875,666
U.S. government sponsored enterprise debt securities | Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Securities available for sale
Securities available for sale	0	0
U.S. government sponsored enterprise debt securities | Fair Value, Measurements, Recurring | Third-Party Models with Observable Market Inputs (Level 2)
Securities available for sale
Securities available for sale	827,484	875,666
U.S. government sponsored enterprise debt securities | Fair Value, Measurements, Recurring | Internal Models with Unobservable Market Inputs (Level 3)
Securities available for sale
Securities available for sale	0	0
Corporate debt securities
Securities available for sale
Securities available for sale	374,929	313,392
Corporate debt securities | Fair Value, Measurements, Recurring
Securities available for sale
Securities available for sale	374,929	313,392
Corporate debt securities | Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Securities available for sale
Securities available for sale	0	0
Corporate debt securities | Fair Value, Measurements, Recurring | Third-Party Models with Observable Market Inputs (Level 2)
Securities available for sale
Securities available for sale	374,929	313,392
Corporate debt securities | Fair Value, Measurements, Recurring | Internal Models with Unobservable Market Inputs (Level 3)
Securities available for sale
Securities available for sale	0	0
U.S. government agency debt securities
Securities available for sale
Securities available for sale	250,837	291,385
U.S. government agency debt securities | Fair Value, Measurements, Recurring
Securities available for sale
Securities available for sale	250,837	291,385
U.S. government agency debt securities | Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Securities available for sale
Securities available for sale	0	0
U.S. government agency debt securities | Fair Value, Measurements, Recurring | Third-Party Models with Observable Market Inputs (Level 2)
Securities available for sale
Securities available for sale	250,837	291,385
U.S. government agency debt securities | Fair Value, Measurements, Recurring | Internal Models with Unobservable Market Inputs (Level 3)
Securities available for sale
Securities available for sale	0	0
Municipal bonds
Securities available for sale
Securities available for sale	173,307	180,396
Municipal bonds | Fair Value, Measurements, Recurring
Securities available for sale
Securities available for sale	173,307	180,396
Municipal bonds | Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Securities available for sale
Securities available for sale	0	0
Municipal bonds | Fair Value, Measurements, Recurring | Third-Party Models with Observable Market Inputs (Level 2)
Securities available for sale
Securities available for sale	173,307	180,396
Municipal bonds | Fair Value, Measurements, Recurring | Internal Models with Unobservable Market Inputs (Level 3)
Securities available for sale
Securities available for sale	0	0
Mutual funds
Securities available for sale
Securities available for sale	23,108	23,617
Mutual funds | Fair Value, Measurements, Recurring
Securities available for sale
Securities available for sale	23,108	23,617
Mutual funds | Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Securities available for sale
Securities available for sale	0	0
Mutual funds | Fair Value, Measurements, Recurring | Third-Party Models with Observable Market Inputs (Level 2)
Securities available for sale
Securities available for sale	23,108	23,617
Mutual funds | Fair Value, Measurements, Recurring | Internal Models with Unobservable Market Inputs (Level 3)
Securities available for sale
Securities available for sale	$ 0	0
U.S. treasury securities
Securities available for sale
Securities available for sale		2,701
U.S. treasury securities | Fair Value, Measurements, Recurring
Securities available for sale
Securities available for sale		2,701
U.S. treasury securities | Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Securities available for sale
Securities available for sale		0
U.S. treasury securities | Fair Value, Measurements, Recurring | Third-Party Models with Observable Market Inputs (Level 2)
Securities available for sale
Securities available for sale		2,701
U.S. treasury securities | Fair Value, Measurements, Recurring | Internal Models with Unobservable Market Inputs (Level 3)
Securities available for sale
Securities available for sale		$ 0

Fair Value Measurements - Ass62

Fair Value Measurements - Assets Measured at Fair Value on a Nonrecurring Basis (Details) - Fair Value, Measurements, Nonrecurring $ in Thousands	12 Months Ended
	Dec. 31, 2017USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Impairments	$ 0
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	5,611
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	0
Significant Other Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	$ 0

Fair Value Measurements - Summa

Fair Value Measurements - Summary of Financial Instruments Where Fair Value Differes from Carrying Value (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Carrying Value
Financial assets
Loans	$ 2,754,445	$ 2,682,790
Financial liabilities
Time deposits	1,714,145	1,466,464
Advances from the Federal Home Loan Bank	1,256,000	1,161,000
Junior subordinated debentures	118,110	118,110
Estimated Fair Value
Financial assets
Loans	2,650,581	2,566,197
Financial liabilities
Time deposits	1,702,150	1,461,908
Advances from the Federal Home Loan Bank	1,252,087	1,164,686
Junior subordinated debentures	$ 99,304	$ 95,979

Segment Information (Details)

Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Segment Reporting Information [Line Items]
Loans held for sale	$ 0		$ 0		$ 5,611
Income Statement:
Net interest income	53,989	$ 51,441	106,622	$ 99,792
Provision for (reversal of) loan losses	150	3,646	150	7,743
Net interest income after provision for loan losses	53,839	47,795	106,472	92,049
Noninterest income	14,986	17,759	28,931	31,976
Noninterest expense	52,638	50,665	108,283	99,813
Net income (loss) before income tax:
Net income before income tax	16,187	14,889	27,120	24,212
Income tax expense	(5,764)	(4,499)	(7,268)	(7,315)
Net income	10,423	10,390	19,852	16,897
Balance Sheets
Loans, net	6,149,618		6,149,618		5,994,225
Deposits	6,363,138		6,363,138		6,322,973
Operating Segments
Income Statement:
Net interest income	53,989	51,441	106,622	99,792
Provision for (reversal of) loan losses	150	3,646	150	7,743
Net interest income after provision for loan losses	53,839	47,795	106,472	92,049
Noninterest income	14,986	17,759	28,931	31,976
Noninterest expense	52,638	50,665	108,283	99,813
Net income (loss) before income tax:
Net income before income tax	16,187	14,889	27,120	24,212
Balance Sheets
Loans, net					5,999,836
Segment Reconciling Items
Net income (loss) before income tax:
Net income before income tax	0	0	0	0
Personal and Commercial Banking (PAC)
Net income (loss) before income tax:
Net income before income tax	13,857	5,802	28,421	13,351
Income tax expense	(4,486)	(2,001)	(6,707)	(4,730)
Net income	9,371	3,801	21,714	8,621
Balance Sheets
Loans, net	5,826,731		5,826,731		5,542,545
Deposits	5,567,424		5,567,424		5,454,216
Personal and Commercial Banking (PAC) | Operating Segments
Income Statement:
Net interest income	47,105	43,776	93,786	85,164
Provision for (reversal of) loan losses	824	8,681	(1,315)	9,812
Net interest income after provision for loan losses	46,281	35,095	95,101	75,352
Noninterest income	5,708	8,062	11,416	14,145
Noninterest expense	39,329	38,618	79,343	78,495
Net income (loss) before income tax:
Net income before income tax	12,660	4,539	27,174	11,002
Personal and Commercial Banking (PAC) | Segment Reconciling Items
Net income (loss) before income tax:
Net income before income tax	1,197	1,263	1,247	2,349
Corporate LATAM
Net income (loss) before income tax:
Net income before income tax	(643)	3,221	479	2,325
Income tax expense	58	(1,147)	(113)	(823)
Net income	(585)	2,074	366	1,502
Balance Sheets
Loans, net	394,572		394,572		521,616
Deposits	20,134		20,134		18,670
Corporate LATAM | Operating Segments
Income Statement:
Net interest income	1,219	2,339	2,699	4,903
Provision for (reversal of) loan losses	494	(1,845)	(225)	358
Net interest income after provision for loan losses	725	4,184	2,924	4,545
Noninterest income	89	148	198	275
Noninterest expense	1,468	1,135	2,643	2,517
Net income (loss) before income tax:
Net income before income tax	(654)	3,197	479	2,303
Corporate LATAM | Segment Reconciling Items
Net income (loss) before income tax:
Net income before income tax	11	24	0	22
Treasury
Net income (loss) before income tax:
Net income before income tax	2,890	3,575	2,951	4,406
Income tax expense	84	(446)	396	(59)
Net income	2,974	3,129	3,347	4,347
Balance Sheets
Loans, net	0		0		0
Deposits	737,898		737,898		779,969
Treasury | Operating Segments
Income Statement:
Net interest income	1,942	2,268	2,898	4,593
Provision for (reversal of) loan losses	(329)	(819)	(446)	(894)
Net interest income after provision for loan losses	2,271	3,087	3,344	5,487
Noninterest income	3,451	2,933	5,401	4,113
Noninterest expense	2,832	2,445	5,794	5,194
Net income (loss) before income tax:
Net income before income tax	2,890	3,575	2,951	4,406
Treasury | Segment Reconciling Items
Net income (loss) before income tax:
Net income before income tax	0	0	0	0
Institutional
Net income (loss) before income tax:
Net income before income tax	83	2,291	(4,731)	4,130
Income tax expense	(1,420)	(905)	(844)	(1,703)
Net income	(1,337)	1,386	(5,575)	2,427
Balance Sheets
Loans, net	(71,685)		(71,685)		(64,325)
Deposits	37,682		37,682		$ 70,118
Institutional | Operating Segments
Income Statement:
Net interest income	3,723	3,058	7,239	5,132
Provision for (reversal of) loan losses	(839)	(2,371)	2,136	(1,533)
Net interest income after provision for loan losses	4,562	5,429	5,103	6,665
Noninterest income	5,738	6,616	11,916	13,443
Noninterest expense	9,009	8,467	20,503	13,607
Net income (loss) before income tax:
Net income before income tax	1,291	3,578	(3,484)	6,501
Institutional | Segment Reconciling Items
Net income (loss) before income tax:
Net income before income tax	$ (1,208)	$ (1,287)	$ (1,247)	$ (2,371)