Premier Financial (PFC) 10-Q 6 May 21 2021 Q1 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2021	Apr. 30, 2021
Cover [Abstract]
Document Type	10-Q
Document Period End Date	Mar. 31, 2021
Entity Registrant Name	Premier Financial Corp.
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		37,303,971
Entity Central Index Key	0000946647
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Amendment Flag	false
Trading Symbol	PFC
City Area Code	419
Title of 12(b) Security	Common Stock, Par Value $0.01 Per Share
Security Exchange Name	NASDAQ
Document Quarterly Report	true
Document Transition Report	false
Entity Address, Address Line One	601 Clinton Street
Entity Address, City or Town	Defiance
Entity Address, State or Province	OH
Entity Address, Postal Zip Code	43512
Entity File Number	0-26850
Entity Incorporation, State or Country Code	OH
Entity Tax Identification Number	34-1803915
Local Phone Number	782-5015

Consolidated Condensed Statemen

Consolidated Condensed Statements of Financial Condition - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Cash and cash equivalents:
Cash and amounts due from depository institutions	$ 68,689	$ 79,593
Interest-bearing deposits	235,058	79,673
Cash and cash equivalents, federal funds sold	303,747	159,266
Securities available-for-sale, carried at fair value	918,590	736,654
Equity securities	13,753	1,090
Loans held for sale, carried at fair value	215,945	221,616
Loans receivable, net of allowance for credit losses of $74,754 at March 31, 2021 and $82,079 at December 31, 2020, respectively	5,384,929	5,409,161
Mortgage servicing rights	18,503	13,153
Accrued interest receivable	24,762	25,434
Federal Home Loan Bank stock	9,328	16,026
Bank owned life insurance	145,060	144,784
Premises and equipment	57,358	58,665
Real estate and other assets held for sale	54	343
Goodwill	317,948	317,948
Core deposit and other intangibles	28,714	30,337
Other assets	91,771	77,257
Total assets	7,530,462	7,211,734
Liabilities:
Deposits	6,351,919	6,047,841
Subordinated debentures	84,881	84,860
Advance payments by borrowers	20,773	21,748
Reserve for credit losses - unfunded commitments	5,901	5,350
Other liabilities	68,802	69,659
Total liabilities	6,532,276	6,229,458
Stockholders’ equity:
Preferred stock, $.01 par value per share: 4,963,000 shares authorized; no shares issued
Common stock, $.01 par value per share: 50,000,000 shares authorized; 43,297,260 and 43,297,260 shares issued and 37,274,844 and 37,291,480 shares outstanding at March 31, 2021 and December 31, 2020, respectively	306	306
Additional paid-in capital	689,747	689,390
Accumulated other comprehensive (loss) income, net of tax of $133 and $3,988, respectively	(502)	15,004
Retained earnings	388,467	356,414
Treasury stock, at cost, 6,022,416 shares at March 31, 2021 and 6,005,780 shares at December 31, 2020	(79,832)	(78,838)
Total stockholders’ equity	998,186	982,276
Total liabilities and stockholders’ equity	$ 7,530,462	$ 7,211,734

Consolidated Condensed Statem_2

Consolidated Condensed Statements of Financial Condition (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Loans receivable, allowance (in dollars)	$ 74,754	$ 82,079
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	4,963,000	4,963,000
Preferred stock, shares issued	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common Stock, Shares, Issued	43,297,260	43,297,260
Common stock, shares outstanding	37,274,844	37,291,480
Accumulated other comprehensive (loss) income, tax effect (in dollars)	$ 133	$ 3,988
Treasury stock, shares	6,022,416	6,005,780
Cumulative Preferred Stock
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	37,000	37,000
Preferred stock, shares issued	0	0

Consolidated Condensed Statem_3

Consolidated Condensed Statements of Income - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Interest Income
Loans	$ 57,565,000	$ 51,460,000
Investment securities:
Taxable	2,782,000	1,834,000
Non-taxable	900,000	883,000
Interest-bearing deposits	66,000	230,000
FHLB stock dividends	59,000	115,000
Total interest income	61,372,000	54,522,000
Interest Expense
Deposits	4,164,000	7,771,000
FHLB advances and other		1,006,000
Subordinated debentures	695,000	273,000
Notes payable		9,000
Total interest expense	4,859,000	9,059,000
Net interest income	56,513,000	45,463,000
Credit (benefit) loss expense - loans and leases	(7,514,000)	43,786,000
Credit loss expense - unfunded commitments	551,000	1,458,000
Net interest income after credit loss expense	63,476,000	219,000
Non-interest Income
Service fees and other charges	5,469,000	5,318,000
Insurance commissions	4,882,000	5,155,000
Mortgage banking income	10,533,000	848,000
Gain on sale of non-mortgage loans		234,000
Gain on sale of securities available for sale	516,000
Gain on equity securities	1,610,000	0
Wealth management income	1,757,000	1,091,000
Income from Bank Owned Life Insurance	1,168,000	781,000
Other non-interest income	340,000	572,000
Total non-interest income	26,275,000	13,999,000
Non-interest Expense
Compensation and benefits	21,997,000	17,585,000
Occupancy	4,112,000	3,731,000
FDIC insurance premium	898,000	492,000
Financial institutions tax	1,190,000	834,000
Data processing	3,382,000	3,040,000
Acquisition related charges		11,486,000
Amortization of intangibles	1,623,000	1,245,000
Other non-interest expense	5,601,000	3,897,000
Total non-interest expense	38,803,000	42,310,000
Income (loss) before income taxes	50,948,000	(28,092,000)
Income tax expense (benefit)	9,952,000	(5,610,000)
Net income (loss)	$ 40,996,000	$ (22,482,000)
Earnings (loss) per common share
Basic	$ 1.10	$ (0.71)
Diluted	$ 1.10	$ (0.71)

Consolidated Condensed Statem_4

Consolidated Condensed Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 40,996	$ (22,482)
Other comprehensive (loss) income:
Unrealized (losses) gains on securities available for sale	(19,112)	9,458
Reclassification adjustment for securities gains included in net income	(516)
Income tax effect	4,122	(1,985)
Net of tax amount	(15,506)	7,473
Change in unrealized gain/(loss) on postretirement benefit:
Total other comprehensive income (loss)	(15,506)	7,473
Comprehensive income (loss)	$ 25,490	$ (15,009)

Consolidated Statement of Chang

Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income [Member]	Retained Earnings [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2019	$ 426,167	$ 127	$ 161,955	$ 4,595	$ 329,175	$ (69,685)
Balance (in shares) at Dec. 31, 2019		19,729,886
Net income (loss)	(22,482)				(22,482)
Other comprehensive income (loss)	7,473			7,473
Adoption of ASC 326 | ASC 326 [Member]	(2,566)				(2,566)
Deferred compensation plan			(94)			94
Deferred compensation plan (in shares)		7,524
Stock based compensation expenses	1,236		1,230			6
Capital stock issuance related to acquisition	526,875	$ 179	526,696
Capital stock issuance (in shares)		17,927,017
Vesting of incentive plans	(1,496)		(1,989)			493
Vesting of incentive plans (in shares)		39,548
Restricted share issuance			198		(374)	176
Restricted share issuance (in shares)		13,349
Restricted share forfeitures (in shares)		(750)
Shares repurchased	(10,078)					(10,078)
Shares repurchased (In Shares)		(430,000)
Common stock dividend payment	(8,286)				(8,286)
Balance at Mar. 31, 2020	916,843	$ 306	687,996	12,068	295,467	(78,994)
Balance (in shares) at Mar. 31, 2020		37,286,574
Balance at Dec. 31, 2020	982,276	$ 306	689,390	15,004	356,414	(78,838)
Balance (in shares) at Dec. 31, 2020		37,291,480
Net income (loss)	40,996				40,996
Other comprehensive income (loss)	(15,506)			(15,506)
Adoption of ASC 326 | ASC 326 [Member]	2,600
Deferred compensation plan			51			(51)
Deferred compensation plan (in shares)		7,911
Stock based compensation expenses	551		551
Vesting of incentive plans			(82)			82
Vesting of incentive plans (in shares)		6,124
Shares issued under stock option plan	8					8
Shares issued under stock option plan (in shares)		600
Restricted share issuance			(183)			183
Restricted share issuance (in shares)		13,708
Restricted share forfeitures	(118)		20			(138)
Restricted share forfeitures (in shares)		(5,779)
Shares repurchased	(1,078)					(1,078)
Shares repurchased (In Shares)		(39,200)
Common stock dividend payment	(8,943)				(8,943)
Balance at Mar. 31, 2021	$ 998,186	$ 306	$ 689,747	$ (502)	$ 388,467	$ (79,832)
Balance (in shares) at Mar. 31, 2021		37,274,844

Consolidated Statement of Cha_2

Consolidated Statement of Changes in Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement Of Stockholders Equity [Abstract]
Dividend payment per share	$ 0.24	$ 0.22

Consolidated Condensed Statem_5

Consolidated Condensed Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating Activities
Net income (loss)	$ 40,996,000	$ (22,482,000)
Items not requiring (providing) cash:
Provision (benefit) for credit losses	(6,963,000)	43,786,000
Depreciation	1,647,000	1,631,000
Amortization of premium and discounts on loans, securities, deposits and debt obligations	143,000	(1,112,000)
Amortization of mortgage servicing rights, net of impairment charges/recoveries	(2,976,000)	5,648,000
Amortization of intangibles	1,623,000	1,245,000
Change in deferred taxes		77,000
Proceeds from the sale of loans held for sale	258,544,000	101,090,000
Originations of loans held for sale	(249,607,000)	(110,026,000)
Gain from sale of loans	(5,640,000)	(5,136,000)
Gain/loss on sale / write-down of real estate and other assets held for sale	6,000	10,000
Gain on sale of available for sale securities	(516,000)
Unrealized gain on equity securities	(1,610,000)	0
Stock option expense	551,000	1,236,000
Restricted stock forfeitures for taxes and option exercises	(110,000)	(1,496,000)
Income from bank owned life insurance	(1,168,000)	(781,000)
Changes in:
Accrued interest receivable and other assets	(9,833,000)	(2,854,000)
Other liabilities	(744,000)	2,525,000
Net cash provided by operating activities	24,343,000	13,361,000
Investing Activities
Proceeds from maturities, calls and pay-downs of available-for-sale securities	41,123,000	19,389,000
Proceeds from sale of available-for-sale securities	22,380,000
Proceeds from sale of premises and equipment, real estate and other assets held for sale	117,000	481,000
Proceeds from sale of non-mortgage loans		3,241,000
Purchases of available-for-sale securities	(267,079,000)
Purchases of equity securities	(11,053,000)
Net change in Federal Home Loan Bank stock	6,698,000	(64,584,000)
Net cash received (paid) from acquisition (Reference Footnote 17 Business Combinations)		52,448,000
Purchases of premises and equipment, net	(120,000)	(722,000)
Proceeds from bank owned life insurance	892,000
Net increase in loans receivable	33,669,000	(44,623,000)
Net cash used by investing activities	(173,373,000)	(34,370,000)
Financing Activities
Net increase in deposits and advance payments by borrowers	303,532,000	34,437,000
Net change in Federal Home Loan Bank advances		19,937,000
Decrease in securities sold under repurchase agreements		(1,038,000)
Net cash paid for repurchase of common stock	(1,078,000)	(10,078,000)
Cash dividends paid on common stock	(8,943,000)	(8,286,000)
Net cash provided by financing activities	293,511,000	34,972,000
Increase in cash and cash equivalents	144,481,000	13,963,000
Cash and cash equivalents at beginning of period	159,266,000	131,254,000
Cash and cash equivalents at end of period	303,747,000	145,217,000
Supplemental cash flow information:
Interest paid	5,425,000	9,028,000
Initial recognition of right-of-use asset	500,000	8,994,000
Initial recognition of lease liability	500,000	9,143,000
Initial recognition of ASC 326		2,566,000
Transfers from loans to real estate and other assets held for sale	$ 54,000	$ 37,000

Basis of Presentation

Basis of Presentation	3 Months Ended
	Mar. 31, 2021
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Basis of Presentation	1. Basis of Presentation On June 19, 2020, First Defiance Financial Corp. changed its name to Premier Financial Corp. (“Premier” or the “Company”). In connection with the name change, Premier’s stock continued to be traded on the NASDAQ Global Select Market, but under the new ticker PFC. On this same date, First Federal Bank of the Midwest, a wholly-owned subsidiary of the Company, changed its name to Premier Bank (the “Bank”). Premier is a financial holding company that conducts business through its wholly-owned subsidiaries, the Bank, First Insurance Group of the Midwest, Inc. (“First Insurance”), First Defiance Risk Management Inc. (“First Defiance Risk Management”) and HSB Capital, LLC (“HSB Capital”). All significant intercompany transactions and balances are eliminated in consolidation. On January 31, 2020, Premier completed its previously announced acquisition of United Community Financial Corp., an Ohio corporation (“UCFC”), pursuant to the Agreement and Plan of Merger (the “Merger Agreement”), dated as of September 9, 2019, by and between Premier and UCFC. At the effective time of the merger (the “Merger”), UCFC merged with and into Premier, with Premier surviving the Merger. Simultaneously with the completion of the Merger, Premier converted from a unitary thrift holding company to a bank holding company, making an election to be a financial holding company. Immediately following the Merger, the Bank acquired UCFC’s wholly-owned bank subsidiary, Home Savings Bank (“Home Savings”). Immediately prior to the merger of the banks, the Bank converted from a federal thrift into an Ohio state-chartered bank. In addition, immediately following the merger of the banks, UCFC’s wholly-owned insurance subsidiaries, HSB Insurance, LLC, and United American Financial Services, Inc., each merged into First Insurance, with First Insurance surviving the mergers. Premier acquired two additional subsidiaries in the Merger, HSB Capital and HSB Insurance, Inc. HSB Insurance, Inc. was dissolved in September 2020. The Bank is primarily engaged in community banking. It attracts deposits from the general public through its offices and website, and uses those and other available sources of funds to originate residential real estate loans, commercial real estate loans, commercial loans, home improvement and home equity loans and consumer loans. In addition, the Bank invests in U.S. Treasury and federal government agency obligations, obligations of states and political subdivisions, mortgage-backed securities that are issued by federal agencies, collateralized mortgage obligations (“CMOs”), and corporate bonds. The Bank’s deposits are insured by the Federal Deposit Insurance Corporation (“FDIC”). The Bank is a member of the Federal Home Loan Bank (“FHLB”) System. HSB Capital was formed as an Ohio limited liability company by UCFC in 2016 for the purpose of providing mezzanine funding for customers of Home Savings. Mezzanine loans are offered by HSB Capital to customers in the Company’s market area and are expected to be repaid from the cash flow from operations of the business. First Insurance is an insurance agency that conducts business throughout Premier’s markets. First Insurance offers property and casualty insurance, life insurance and group health insurance. First Defiance Risk Management i s a wholly-owned insurance company subsidiary of the Company that insure s the Company and its subsidiaries against certain risks unique to the operations of the Company and for which insurance may not be currently available or economically feasible in today’s insurance marketplace. First Defiance Risk Management pools resources with several other similar insurance company subsidiaries of financial institutions to help minimize the risk allocable to each participating insurer . The COVID-19 pandemic has continued to create extensive disruptions to the global economy and to the lives of individuals throughout the world. Business and consumer customers of the Bank are experiencing varying degrees of financial distress, which is expected to continue over the coming months and will likely adversely affect their ability to pay interest and principal on their loans. Further, value of the collateral securing their obligations may decline. These uncertainties may negatively impact the Statement of Financial Condition, the Statement of Income and the Statement of Cash Flows of the Company. The consolidated condensed statement of financial condition at December 31, 2020, was derived from the audited financial statements at that date, which were The accompanying consolidated condensed financial statements as of March 31, 2021, and for the three months ended March 31, 2021 and 2020 have been prepared by the Company without audit and do not include information or footnotes necessary for the complete presentation of financial condition, results of operations, and cash flows in conformity with accounting principles generally accepted in the United States (“GAAP”). These consolidated condensed financial statements should be read in conjunction with the financial statements and notes thereto included in the 2020 Form 10-K. However, in the opinion of management, all adjustments, consisting of only normal recurring items, necessary for the fair presentation of the financial statements have been made. The results for the three month period ended March 31, 2021, are not necessarily indicative of the results that may be expected for the entire year.

Significant Accounting Policies

Significant Accounting Policies	3 Months Ended
	Mar. 31, 2021
Accounting Policies [Abstract]
Significant Accounting Policies	2 . Accounting Standards Update ASU 2016-13, Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments: Issued in June 2016, ASU 2016-13 will add FASB ASC Topic 326, “Financial Instruments-Credit Losses” and finalizes amendments to FASB ASC Subtopic 825-15, “Financial Instruments-Credit Losses.” The amendments of ASU 2016-13 are intended to provide financial statement users with more decision-useful information related to expected credit losses on financial instruments and other commitments to extend credit by replacing the current incurred loss impairment methodology with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information to determine credit loss estimates. The amendments of ASU 2016-13 eliminate the probable initial recognition threshold and, in turn, reflect an entity’s current estimate of all expected credit losses. ASU 2016-13 does not specify the method for measuring expected credit losses, and an entity is allowed to apply methods that reasonably reflect its expectations of the credit loss estimate. The amendments of ASU 2016-13, and all subsequent ASUs issued by FASB to provide additional guidance and clarification related to this Topic, became effective for the Company on January 1, 2020. As a result of adopting the amendments of ASU 2016-13, the Company recorded an increase to its allowance for credit losses of $2.4 million and an increase to its allowance for credit losses on off-balance sheet credit exposures of $0.9 million resulting in a one-time cumulative effect adjustment through retained earnings of $2.6 million net of $0.7 million tax at the date of adoption. This adjustment included a qualitative adjustment to the allowance for credit losses related to loans and an allowance on off-balance sheet credit exposures. The Company estimates losses over an approximate one-year forecast period using Moody’s baseline economic forecasts, and then reverts to longer term historical loss experience over a three-year period. Accounting Standards not yet adopted: ASU No. 2020-04: Reference Rate Reform – Facilitation of the Effects of Reference Rate Reform on Financial Reporting (Topic 848): This guidance provides temporary options to ease the potential burden in accounting for reference rate reform. It is intended to help stakeholders during the global market-wide reference rate transition period. The guidance is effective as of March 12, 2021, through December 31, 2022. The Company anticipates being fully prepared to implement a replacement for the reference rate and has determined that any change will not have a material impact to the consolidated financial statements.

Fair Value

Fair Value	3 Months Ended
	Mar. 31, 2021
Fair Value Disclosures [Abstract]
Fair Value	3. Fair Value FASB ASC Topic 820, Fair Value Measurements, defines fair value as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants. A fair value measurement assumes that the transaction to sell the asset or transfer the liability occurs in the principal market for the asset or liability or, in the absence of a principal market, the most advantageous market for the asset or liability. The price in the principal (or most advantageous) market used to measure the fair value of the asset or liability shall not be adjusted for transaction costs. An orderly transaction is a transaction that assumes exposure to the market for a period prior to the measurement date to allow for marketing activities that are usual and customary for transactions involving such assets and liabilities; it is not a forced transaction. Market participants are buyers and sellers in the principal market that are (i) independent, (ii) knowledgeable, (iii) able to transact and (iv) willing to transact. FASB ASC Topic 820 requires the use of valuation techniques that are consistent with the market approach, the income approach and/or the cost approach. The market approach uses prices and other relevant information generated by market transactions involving identical or comparable assets and liabilities. The income approach uses valuation techniques to convert future amounts, such as cash flows or earnings, to a single present amount on a discounted basis. The cost approach is based on the amount that currently would be required to replace the service capacity of an asset (replacement cost). Valuation techniques should be consistently applied. Inputs to valuation techniques refer to the assumptions that market participants would use in pricing the asset or liability. Inputs may be observable, meaning those that reflect the assumptions market participants would use in pricing the asset or liability developed based on the best information available. In that regard, FASB ASC Topic 820 established a fair value hierarchy for valuation inputs that gives the highest priority to quoted prices in active markets for identical assets or liabilities and the lowest priority to unobservable inputs. The fair value hierarchy is as follows: • Level 1 : Quoted prices (unadjusted) in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date. • Level 2 : Inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. These might include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability (such as interest rates, prepayment speeds, credit risks, etc.) or inputs that are derived principally from or corroborated by market data by a correlation or other means. • Level 3 : Unobservable inputs for determining fair value of assets and liabilities that reflect an entity’s own assumptions about the assumptions that market participants would use in pricing the assets or liabilities. A description of the valuation methodologies used for instruments measured at fair value, as well as the general classification of such instruments pursuant to the valuation hierarchy, is set forth below. Available-for-sale securities - Securities classified as available for sale are generally reported at fair value utilizing Level 2 inputs where the Company obtains fair value measurements from an independent pricing service that uses matrix pricing, which is a mathematical technique widely used in the industry to value debt securities without relying exclusively on quoted prices for the specific securities but rather by relying on the securities’ relationship to other benchmark quoted securities (Level 2 inputs). The fair value measurements consider observable data that may include dealer quotes, market spreads, cash flows and the bonds’ terms and conditions, among other things. Securities in Level 2 include U.S. federal government agencies, mortgage-backed securities, asset-backed securities, corporate bonds and municipal securities. Equity securities – These securities are reported at fair value utilizing Level 1 inputs where the Company obtains fair value measurements from a broker. Loans held for sale, carried at fair value – The Company elected the fair value option for all conventional residential one-to four-family loans held for sale and all permanent construction loans held for sale that were acquired from UCFC in the Merger. In addition, the Company has elected the fair value option for all loans held for sale originated after January 31, 2020. The fair value of conventional loans held for sale is determined using the current 15 day forward contract price for either 15 or 30 year conventional mortgages (Level 2). The fair value of permanent construction loans held for sale is determined using the current 60 day forward contract price for 15 or 30 years conventional mortgages which is then adjusted for unobservable market data such as estimated fall out rates and estimated time from origination to completion of construction (Level 3). Collateral dependent loans - Fair values for individually analyzed collateral dependent loans are generally based on appraisals obtained from licensed real estate appraisers and in certain circumstances consideration of offers obtained to purchase properties prior to foreclosure. Appraisals for commercial real estate generally use three methods to derive value: cost, sales or market comparison and income approach. The cost method bases value on the cost to replace the current property. Value of market comparison approach evaluates the sales price of similar properties in the same market area. The income approach considers net operating income generated by the property and an investor’s required return. Adjustments are routinely made in the appraisal process by the independent appraisers to adjust for differences between the comparable sales and income data available. Comparable sales adjustments are based on known sales prices of similar type and similar use properties and duration of time that the property has been on the market to sell. Such adjustments made in the appraisal process are typically significant and result in a Level 3 classification of the inputs for determining fair value. Real estate held for sale - Assets acquired through or instead of loan foreclosure are initially recorded at fair value less costs to sell when acquired, establishing a new cost basis. These assets are then reviewed monthly by members of the asset review committee for valuation changes and are accounted for at lower of cost or fair value less estimated costs to sell. Fair value is commonly based on recent real estate appraisals which may utilize a single valuation approach or a combination of approaches including cost, comparable sales and the income approach. Adjustments are routinely made in the appraisal process by the independent appraisers to adjust for differences between the comparable sales and income data available. Such adjustments may be significant and typically result in a Level 3 classification of the inputs for determining fair value. Appraisals for both individually analyzed collateral-dependent loans and other real estate owned are performed by certified general appraisers (for commercial properties) or certified residential appraisers (for residential properties) whose qualifications and licenses have been reviewed and verified by the Company. Once received, a member of the Company’s asset quality or collections department reviews the assumptions and approaches utilized in the appraisal. Appraisal values are discounted from 0% to 30% to account for other factors that may impact the value of collateral. In determining the value of individually analyzed collateral dependent loans and other real estate owned, significant unobservable inputs may be used, which include but are not limited to: physical condition of comparable properties sold, net operating income generated by the property and investor rates of return. Mortgage servicing rights - On a quarterly basis, mortgage servicing rights are evaluated for impairment based upon the fair value of the rights as compared to the carrying amount. If the carrying amount of an individual tranche exceeds fair value, impairment is recorded on that tranche so that the servicing asset is carried at fair value. Fair value is determined at a tranche level based on a model that calculates the present value of estimated future net servicing income. The valuation model utilizes assumptions that market participants would use in estimating future net servicing income and are validated against available market data (Level 2). Mortgage banking derivative - The fair value of mortgage banking derivatives are evaluated monthly based on derivative valuation models using quoted prices for similar assets adjusted for specific attributes of the commitments and other observable market data at the valuation date (Level 2). Purchased and written certificate of deposit option – The Company acquired purchased and written certificate of deposit options in its Merger with UCFC. These written and purchased options are mirror derivative instruments that are carried at fair value on the statement of financial condition. The Company uses an independent third party to perform a market valuation analysis for purchased and written certificate of deposit options (Level 2). Interest rate swaps – The Company periodically enters into interest rate swap agreements with its commercial customers who desire a fixed rate loan term that is longer than the Company is willing to extend. The Company then enters into a reciprocal swap agreement with a third party that offsets the interest rate risk from the interest rate swap extended to the customer. The interest rate swaps are derivative instruments which are carried at fair value on the statement of financial condition. The Company uses an independent third party to perform a market valuation analysis for both swap positions (Level 2). The following table summarizes the financial assets measured at fair value on a recurring basis segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value: Assets and Liabilities Measured on a Recurring Basis March 31, 2021 Level 1 Inputs Level 2 Inputs Level 3 Inputs Total Fair Value (In Thousands) Assets: Available for sale securities: Obligations of U.S. federal government corporations and agencies $ — $ 38,793 $ — $ 38,793 Mortgage-backed securities — 243,022 — 243,022 Collateralized mortgage obligations — 110,227 — 110,227 Asset-backed securities — 191,913 — 191,913 Corporate bonds — 55,258 — 55,258 Obligations of state and political subdivisions — 279,377 — 279,377 Equity securities 13,753 — — 13,753 Loans held for sale, at fair value — 81,307 134,638 215,945 Purchased certificate of deposit option — 59 — 59 Interest rate swaps — 406 — 406 Mortgage banking derivative — 7,957 — 7,957 Liabilities: Written certificate of deposit option — 59 — 59 Interest rate swaps — 375 — 375 December 31, 2020 Level 1 Inputs Level 2 Inputs Level 3 Inputs Total Fair Value (In Thousands) Assets: Available for sale securities: Obligations of U.S. federal government corporations and agencies $ — $ 40,940 $ — $ 40,940 Mortgage-backed securities — 277,182 — 277,182 Collateralized mortgage obligations — 106,299 — 106,299 Asset-backed securities — 30,546 — 30,546 Corporate bonds — 44,169 — 44,169 Obligations of state and political subdivisions — 237,518 — 237,518 Equity securities 1,090 — — 1,090 Loans held for sale, at fair value — 98,587 123,029 221,616 Purchased certificate of deposit option — 56 — 56 Interest rate swaps — 1,870 — 1,870 Mortgage banking derivative - asset — 3,833 — 3,833 Liabilities: Written certificate of deposit option — 56 — 56 Interest rate swaps — 2,036 — 2,036 The tables below present a reconciliation of all assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the three month periods ended March 31, 2021 and 2020. Construction loans held for sale Three Months Ended March 31, 2021 2020 Balance of recurring Level 3 assets at beginning of period $ 123,029 $ — Total gains (losses) for the period Included in change in fair value of loans held for sale (5,568 ) 4,962 Originations 34,003 9,581 Acquired in acquisition — 37,711 Sales (16,826 ) (7,834 ) Balance of recurring Level 3 assets at end of period $ 134,638 $ 44,420 Securities available-for-sale Three Months Ended March 31, 2021 2020 Balance of recurring Level 3 assets at beginning of period $ — $ 3,411 Balance of assets classified as Level 3 assets during the period — 2,419 Balance of recurring Level 3 assets at end of period $ — $ 5,830 For Level 3 assets and liabilities measured at fair value on a recurring basis, the significant unobservable inputs used in the fair value measurements were as follows: March 31, 2021 Fair Value Valuation Technique Unobservable Inputs Range of Inputs (Dollars in Thousands) Construction loans held for sale $ 134,638 Comparable sales Time discount using the 60 day forward contract 0.00% - 2.18% December 31, 2020 Fair Value Valuation Technique Unobservable Inputs Range of Inputs (Dollars in Thousands) Construction loans held for sale $ 123,029 Comparable sales Time discount using the 60 day forward contract 0.00% - 0.24% The following table summarizes the financial assets measured at fair value on a non-recurring basis segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value: Assets and Liabilities Measured on a Non-Recurring Basis March 31, 2021 Level 1 Inputs Level 2 Inputs Level 3 Inputs Total Fair Value (In Thousands) Individually analyzed loans Commercial real estate $ - $ - $ 7,617 $ 7,617 Commercial — — 4,781 4,781 Total individually analyzed loans — — 12,398 12,398 Mortgage servicing rights — 13,868 — 13,868 December 31, 2020 Level 1 Inputs Level 2 Inputs Level 3 Inputs Total Fair Value (In Thousands) Individually analyzed loans Commercial real estate $ — $ — $ 4,601 $ 4,601 Commercial — — 7,151 7,151 Total individually analyzed loans — — 11,752 11,752 Mortgage servicing rights — 13,153 — 13,153 For Level 3 assets and liabilities measured at fair value on a non-recurring basis as of March 31, 2021, the significant unobservable inputs used in the fair value measurements were as follows: Fair Value Valuation Technique Unobservable Inputs Range of Inputs Weighted Average (Dollars in Thousands) Individually analyzed Loans- Applies to all loan classes $ 12,398 Appraisals which utilize sales comparison, net income and cost approach Discounts for collection issues and changes in market conditions 10-35% 16.23 % For Level 3 assets and liabilities measured at fair value on a non-recurring basis as of December 31, 2020, the significant unobservable inputs used in the fair value measurements were as follows: Fair Value Valuation Technique Unobservable Inputs Range of Inputs Weighted Average (Dollars in Thousands) Individually analyzed Loans- Applies to all loan classes $ 11,752 Appraisals which utilize sales comparison, net income and cost approach Discounts for collection issues and changes in market conditions 5-37% 24.17 % The Company has elected the fair value option for new applications accepted after January 31, 2020, and subsequently originated for residential mortgage and permanent construction loans held for sale. These loans are intended for sale and the Company believes that fair value is the best indicator of the resolution of these loans. Interest income is recorded based on the contractual terms of the loan and in accordance with the Company’s policies. The aggregate fair value of the residential mortgage loans held for sale at March 31, 2021 and December 31, 2020 was $81.3 million and $98.6 million, respectively, and they had a contractual balance of $80.2 million and $93.2 million, respectively, for these same periods. The difference between the fair value and the contractual balance is recorded in gains and losses on the sale of loans held for sale. For the three months ended March 31, 2021 and 2020, ($4.3) million and $31,000, respectively, was recorded in gains on the sale of loans held for sale for the change in fair value. The aggregate fair value of the permanent construction loans held for sale at March 31, 2021 and December 31, 2020, was $134.6 million and $123.0 million, respectively, and they had a contractual balance of $126.7 million and $109.5 million, respectively, for these same periods. The difference between the fair value and the contractual balance is recorded in gains and losses on the sale of loans held for sale. For the three months ended March 31 , 2021 and 2020 , ( $ 5.6 ) million and $ 5.0 million, respectively, were recorded in gains on the sale of loans held for sale for the change in fair value. In accordance with FASB ASC Topic 825, the Fair Value Measurements tables are a comparative condensed consolidated statement of financial condition based on carrying amount and estimated fair values of financial instruments as of March 31, 2021, and December 31, 2020. Accordingly, the aggregate fair value amounts presented do not represent the underlying value to Premier. Much of the information used to arrive at “fair value” is highly subjective and judgmental in nature and therefore the results may not be precise. Subjective factors include, among other things, estimated cash flows, risk characteristics and interest rates, all of which are subject to change. With the exception of investment securities, the Company’s financial instruments are not readily marketable and market prices do not exist. Since negotiated prices for the instruments, which are not readily marketable, depend greatly on the motivation of the buyer and seller, the amounts that will actually be realized or paid per settlement or maturity of these instruments could be significantly different. The carrying amount of cash and cash equivalents and notes payable, as a result of their short-term nature, is considered to be equal to fair value and are classified as Level 1. It was not practicable to determine the fair value of FHLB stock due to restrictions placed on its transferability. The Company’s loans were valued on an individual basis, with consideration given to the loans’ underlying characteristics, including account types, remaining terms (in months), annual interest rates or coupons, interest types, past delinquencies, timing of principal and interest payments, current market rates, loss exposures, and remaining balances. The model utilizes a discounted cash flow (“DCF”) approach to estimate the fair value of the loans using assumptions for the coupon rates, remaining maturities, prepayment speeds, projected default probabilities, losses given defaults, and estimates of prevailing discount rates. The DCF approach models the credit losses directly in the projected cash flows. The model applies various assumptions regarding credit, interest, and prepayment risks for the loans based on loan types, payment types and fixed or variable classifications. The estimated fair value of individually analyzed loans is based on the fair value of the collateral, less estimated cost to sell, or the present value of the loan’s expected future cash flows (discounted at the loan’s effective interest rate). All individually analyzed loans are classified as Level 3 within the valuation hierarchy. The fair value of non-interest bearing deposits are considered equal to the amount payable on demand at the reporting date (i.e. carrying value) and are classified as Level 1. The fair value of savings, checking and certain money market accounts are equal to their carrying amounts and are a Level 1 classification. Fair values of fixed rate certificates of deposit are estimated using a DCF calculation that applies interest rates currently being offered on certificates to a schedule of aggregated expected monthly maturities on time deposits resulting in a Level 2 classification. The fair values of securities sold under repurchase agreements are equal to their carrying amounts resulting in a Level 1 classification. The carrying value of floating rate subordinated debentures was considered to be the carrying value as the debt is floating rate and can be prepaid at any time without penalty. The carrying value of fixed rate subordinated debt is estimated using a DCF calculation that applies interest rates currently being offered in the market to the expected maturity of the debt. FHLB advances with maturities greater than 90 days are valued based on a DCF analysis, using interest rates currently being quoted for similar characteristics and maturities resulting in a Level 2 classification. The cost or value of any call or put options is based on the estimated cost to settle the option at March 31, 2021. Fair Value Measurements at March 31, 2021 (In Thousands) Carrying Value Total Level 1 Level 2 Level 3 Financial Assets: Cash and cash equivalents $ 303,747 $ 303,747 $ 303,747 $ — $ — Securities available for sale 918,590 918,590 — 918,590 — Equity securities 13,753 13,753 13,753 — — Federal Home Loan Bank Stock 9,328 N/A N/A N/A N/A Loans receivable, net 5,384,929 5,428,651 — — 5,428,651 Loans held for sale, carried at fair value 215,945 215,945 — 81,307 134,638 Financial Liabilities: Deposits $ 6,351,919 $ 6,358,858 $ 5,297,065 $ 1,061,793 $ — Subordinated debentures 84,881 83,707 — 83,707 — Fair Value Measurements at December 31, 2020 (In Thousands) Carrying Value Total Level 1 Level 2 Level 3 Financial Assets: Cash and cash equivalents $ 159,266 $ 159,266 $ 159,266 $ — $ — Securities available for sale 736,654 736,654 — 736,654 — Equity securities 1,090 1,090 1,090 — — Federal Home Loan Bank Stock 16,026 N/A N/A N/A N/A Loans receivable, net 5,409,161 5,412,814 — — 5,412,814 Loans held for sale, carried at fair value 221,616 221,616 — 98,587 123,029 Financial Liabilities: Deposits $ 6,047,841 $ 6,056,426 $ 4,925,411 $ 1,131,015 $ — Subordinated debentures 84,860 83,237 — — 83,237

Stock Compensation Plans

Stock Compensation Plans	3 Months Ended
	Mar. 31, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Stock Compensation Plans	4. Stock Compensation Plans Premier has established equity based compensation plans for its directors and employees. On February 27, 2018, the Board adopted, and the shareholders approved at the 2018 Annual Shareholders Meeting, the Premier Financial Corp. 2018 Equity Incentive Plan (the “2018 Equity Plan”). The 2018 Equity Plan replaced all existing plans, although the Company’s former equity plans remain in existence to the extent there were outstanding grants thereunder at the time the 2018 Equity Plan was approved. In addition, as a result of the Merger, Premier assumed certain outstanding stock options granted under UCFC’s Amended and Restated 2007 Long-Term Incentive Plan and UCFC’s 2015 Long Term Incentive Plan (the “UCFC 2015 Plan”). Premier also assumed the UCFC 2015 Plan with respect to the available shares under the UCFC 2015 Plan as of the effective date of the Merger, with appropriate adjustments to the number of shares available to reflect the Merger. The stock options assumed from UCFC in the Merger will become exercisable solely to purchase shares of Premier, with appropriate adjustments to the number of shares subject to the assumed stock options and the exercise price of such stock options. All awards currently outstanding under prior plans will remain in effect in accordance with their respective terms. Any new awards will be made under the 2018 Equity Plan or the UCFC 2015 Plan. The 2018 Equity Plan allows for issuance of up to 900,000 common shares through the award of options, stock grants, restricted stock units (“RSU”), stock appreciation rights or other stock-based awards. The UCFC 2015 Plan had 126,758 Premier common shares available for issuance immediately after the effective time of the Merger. As of March 31, 2021, 35,661 options to acquire Premier shares were outstanding at option prices based on the market value of the underlying shares on the date the options were granted. On the date of the Merger, 39,983 Premier options were exchanged for all of the outstanding stock options on the books of UCFC at the same conversion price and ratio applied to UCFC common shares at January 31, 2020. All of these options were fully vested at the time of acquisition. The Company has approved a Short-Term Incentive Plan (“STIP”) and a Long-Term Equity Incentive Plan (“LTIP”) for selected members of management. There are two types of LTIP awards: an Executive LTIP and a Key LTIP. Under the STIPs, the participants can earn a cash payout. The final amount of benefits under the STIPs is determined as of December 31 of the same year and paid out in cash in the first quarter of the following year. Under each Executive LTIP, the participants may earn between 20% to 50% of their salary for potential payout in the form of equity awards based on the achievement of certain corporate performance targets over a three-year Under each Key LTIP, the participants are granted shares based upon the achievement of certain targets in the prior year. The participants can earn from 5% to 10% of their salary in restricted stock units that vest three years from the date of grant. The Company granted 17,542 RSU’s in the first quarter of 2021 under the 2021 Key LTIP. In the three months ending March 31, 2021, the Company also granted 3,122 discretionary RSUs that vest three years from the date of grant and 13,708 restricted stock grants. Of the 13,708 restricted stock grants, all were issued to directors and have a one-year Following is stock option activity under the plans during the three months ended March 31, 2021: Options Outstanding Weighted Average Exercise Price Weighted Average Remaining Contractual Term (in years) Aggregate Intrinsic Value (in 000’s) Options outstanding, January 1, 2021 36,261 $ 21.59 Forfeited or cancelled Exercised (600 ) 13.80 Granted — — Options outstanding, March 31, 2021 35,661 $ 21.72 5.57 $ 411 Exercisable at March 31, 2021 35,661 $ 21.72 5.57 $ 411 Proceeds, related tax benefits realized from options exercised and intrinsic value of options exercised were as follows (in thousands): Three Months Ended March 31, 2021 2020 Proceeds of options exercised $ 8 $ — Related tax benefit recognized — — Intrinsic value of options exercised 11 — At March 31, 2021, 176,949 PSUs, 46,324 RSUs and 34,416 restricted stock grants were unvested. Compensation expense related to PSUs, RSUs, restricted stock grants and the STIP is recognized over the performance period based on the achievements of targets as established under the plan documents or according to a vesting schedule. Total expense of $1.0 million was recorded during each of the three months ended March 31, 2021 and 2020. There was approximately $2.3 million and $3.2 million included within other liabilities at March 31, 2021, and December 31, 2020, respectively, related to the STIP. Performance Stock Units Restricted Stock Units Restricted Stock Grants Unvested Shares Shares Weighted- Average Grant Date Fair Value Shares Weighted- Average Grant Date Fair Value Shares Weighted- Average Grant Date Fair Value Unvested at January 1, 2021 90,891 $ 26.48 55,759 $ 25.18 41,057 $ 26.93 Granted 86,058 30.32 20,664 29.11 13,708 29.37 Vested — — (30,099 ) 26.15 (20,349 ) 26.75 Forfeited — — — — — — Unvested at March 31, 2021 176,949 $ 28.35 46,324 $ 26.29 34,416 $ 28.01 The maximum amount of compensation expense that may be earned for the PSUs at March 31, 2021, is approximately $4.9 million in the aggregate. However, the estimated expense that is expected to be earned as of March 31, 2021, is $ 3.3 million of which $ million is unrecognized at March 31 , 2021 , and will be recognized over the remaining performance periods.

Dividends on Common Stock

Dividends on Common Stock	3 Months Ended
	Mar. 31, 2021
Dividends Common Stock [Abstract]
Dividends on Common Stock	5 . Dividends on Common Premier declared and paid a $0.24 per common stock dividend in the first quarter of 2021 and declared and paid a $0.22 per common stock dividend in the first quarter of 2020.

Earnings (Loss) Per Common Shar

Earnings (Loss) Per Common Share	3 Months Ended
	Mar. 31, 2021
Earnings Per Share [Abstract]
Earnings (Loss) Per Common Share	6 . Earnings (Loss) Per Common Share Basic earnings (loss) per share are calculated using the two-class method. The two-class method is an earnings allocation formula under which earnings (loss) per share is calculated from common stock and participating securities according to dividends declared and participation rights in undistributed earnings. Under this method, all earnings (losses) distributed and undistributed, are allocated to participating securities and common shares based on their respective rights to receive dividends. Unvested share-based payment awards that contain non-forfeitable rights to dividends are considered participating securities (i.e., unvested restricted stock), not subject to performance based measures. The following table sets forth the computation of basic and diluted earnings (loss) per common share: Three Months Ended March 31, 2021 2020 (In Thousands, except per share data) Basic Earnings (Loss) Per Share: Net income (loss) available to common shareholders $ 40,996 $ (22,482 ) Less: income (loss) allocated to participating securities 43 (39 ) Net income (loss) allocated to common shareholders 40,953 (22,443 ) Weighted average common shares outstanding including participating securities 37,332 31,721 Less: Participating securities 39 55 Average common shares 37,293 31,666 Basic earnings (loss) per common share $ 1.10 $ (0.71 ) Diluted Earnings (Loss) Per Share: Net income (loss) allocated to common shareholders $ 40,953 $ (22,443 ) Weighted average common shares outstanding for basic earnings (loss) per common share 37,293 31,666 Add: Dilutive effects of stock options and restricted stock units 64 — Average shares and dilutive potential common shares 37,357 31,666 Diluted earnings (loss) per common share $ 1.10 $ (0.71 ) T here were no shares for the three month period ending March 31, 2021 that were excluded from the diluted earnings per common share calculation as no shares were anti-dilutive during this period. Since net income allocated to common shareholders was negative for the quarter ended March 31, 2020, there was no dilutive effect from stock options or restricted stock units included in the diluted (loss) per common share calculation.

Investment Securities

Investment Securities	3 Months Ended
	Mar. 31, 2021
Marketable Securities [Abstract]
Investment Securities	7 . Investment Securities The following is a summary of available-for-sale securities: Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Fair Value (In Thousands) At March 31, 2021 Available-for-Sale Securities: Obligations of U.S. government corporations and agencies $ 38,868 $ 771 $ (846 ) $ 38,793 Mortgage-backed securities 243,126 3,284 (3,388 ) 243,022 Collateralized mortgage obligations 109,552 1,225 (550 ) 110,227 Asset-backed securities 191,788 484 (359 ) 191,913 Corporate bonds 55,049 524 (315 ) 55,258 Obligations of state and political subdivisions 280,743 6,051 (7,417 ) 279,377 Total Available-for-Sale $ 919,126 $ 12,339 $ (12,875 ) $ 918,590 As a result of the Merger, securities with a fair value of $262.8 million were acquired on January 31, 2020. Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Fair Value (In Thousands) At December 31, 2020 Available-for-sale Obligations of U.S. government corporations and agencies $ 39,233 $ 1,707 $ — $ 40,940 Mortgage-backed securities 270,683 6,746 (247 ) 277,182 Collateralized mortgage obligations 103,532 2,927 (160 ) 106,299 Asset-backed securities 30,643 1 (98 ) 30,546 Corporate bonds 43,826 489 (146 ) 44,169 Obligations of state and political subdivisions 229,645 8,069 (196 ) 237,518 Total Available-for-Sale $ 717,562 $ 19,939 $ (847 ) $ 736,654 The amortized cost and fair value of the investment securities portfolio at March 31, 2021, are shown below by contractual maturity. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. For purposes of the maturity table, mortgage-backed securities (“MBS”), CMOs and asset-backed securities (“ABS”), which are not due at a single maturity date, have not been allocated over the maturity groupings. These securities may mature earlier than their weighted-average contractual maturities because of principal prepayments. Available-for-Sale Amortized Cost Fair Value (In Thousands) Due in one year or less $ 5,853 $ 5,869 Due after one year through five years 29,787 30,284 Due after five years through ten years 93,585 95,386 Due after ten years 245,435 241,889 MBS/CMO/ABS 544,466 545,162 $ 919,126 $ 918,590 Investment securities with a carrying amount of $388.9 million at March 31, 2021, were pledged as collateral on public deposits. The following tables summarize Premier’s securities that were in an unrealized loss position at March 31, 2021, and December 31, 2020: Duration of Unrealized Loss Position Less than 12 Months 12 Months or Longer Total Fair Value Gross Unrealized Loss Fair Value Gross Unrealized Loss Fair Value Unrealized Losses (In Thousands) At March 31, 2021 Available-for-sale securities: Obligations of U.S. government corporations and agencies $ 9,520 $ (846 ) $ - $ - $ 9,520 $ (846 ) Mortgage-backed securities 152,648 (3,388 ) — — 152,648 (3,388 ) Collateralized mortgage obligations 26,477 (550 ) — — 26,477 (550 ) Asset-backed securities 76,023 (359 ) — — 76,023 (359 ) Corporate bonds 24,995 (256 ) 2,528 (59 ) 27,523 (315 ) Obligations of state and political subdivisions 132,120 (7,417 ) — — 132,120 (7,417 ) Total available-for-sale $ 421,783 $ (12,816 ) $ 2,528 $ (59 ) $ 424,311 $ (12,875 ) Duration of Unrealized Loss Position Less than 12 Months 12 Months or Longer Total Fair Value Gross Unrealized Loss Fair Value Gross Unrealized Loss Fair Value Unrealized Losses (In Thousands) At December 31, 2020 Available-for-sale securities: Mortgage-backed securities-residential $ 26,361 $ (247 ) $ — $ — $ 26,361 $ (247 ) Collateralized mortgage obligations 5,161 (160 ) — — 5,161 (160 ) Asset-backed securities 18,439 (98 ) — — 18,439 (98 ) Corporate bonds 12,177 (146 ) — — 12,177 (146 ) Obligations of state and political subdivisions 41,088 (196 ) — — 41,088 (196 ) Total available-for-sale $ 103,226 $ (847 ) $ — $ — $ 103,226 $ (847 ) The Company realized gains from the sale of available-for-sale securities totaling $516,000 in the three month period ending March 31, 2021. For the three months ended March 31, 2020, the Company had no gains or losses from the sale of available-for-sale securities. ASU 2016-13 makes targeted improvements to the accounting for credit losses on securities available- for-sale. The concept of other than-temporarily impaired has been replaced with the allowance for credit losses. Unlike securities held to maturity, securities available-for-sale are evaluated on an individual level and pooling of securities is not allowed. Quarterly, the Company evaluates if any security has a fair value less than its amortized cost. Once these securities are identified, in order to determine whether a decline in fair value resulted from a credit loss or other factors, the Company performs further analysis as outlined below: • Review the extent to which the fair value is less than the amortized cost and observe the security’s lowest credit rating as reported by third-party credit ratings companies. • Any securities that are downgraded by a third party ratings company above would be subjected to additional analysis that may include, but is not limited to: changes in market interest rates, changes in securities credit ratings, security type, service area economic factors, financial performance of the issuer/or obligor of the underlying issue and third-party guarantee. • If the Company determines that a credit loss exists, the credit portion of the allowance will be measured using a DCF analysis using the effective interest rate as of the security’s purchase date. The amount of credit loss the Company records will be limited to the amount by which the amortized cost exceeds the fair value. As of March 31, 2021, management had determined that no credit loss exists. At March 31, 2021 and December 31, 2020, the Company held preferred and common stock of various bank holding companies totaling $13.8 million and $1.1 million, respectively. During the three months ended March 31, 2021, $1.6 million of unrealized gains were recorded within Gain on equity securities on the Consolidated Condensed Statements of Income. During the three months ended March 31, 2020, there were no unrealized gains or losses recognized.

Loans

Loans	3 Months Ended
	Mar. 31, 2021
Loans And Leases Receivable Net Reported Amount [Abstract]
Loans	8. Loans Loan segments have been identified by evaluating the portfolio based on collateral and credit risk characteristics. Loans receivable consist of the following: March 31, 2021 December 31, 2020 (In Thousands) Real Estate: Residential $ 1,168,559 $ 1,201,051 Commercial 2,402,067 2,383,001 Construction 749,190 667,649 4,319,816 4,251,701 Other Loans: Commercial 1,172,910 1,202,353 Home equity and improvement 257,764 272,701 Consumer finance 117,539 120,729 1,548,213 1,595,783 Loans before deferred loan origination fees and costs 5,868,029 5,847,484 Deduct: Undisbursed construction loan funds (405,983 ) (355,065 ) Net deferred loan origination fees and costs (2,363 ) (1,179 ) Allowance for credit losses (74,754 ) (82,079 ) Total loans $ 5,384,929 $ 5,409,161 The Company has responded to the pandemic in numerous ways, including by actively participating in the Paycheck Protection Program (“PPP”) and distributing over $600 million to small businesses in our markets. As of March 31, 2021, the company had $443.8 million in PPP loans, which remained unpaid and were included in other commercial loans in the above loan table. The following table discloses allowance for credit loss (“ACL”) activity for the three months ended March 31, 2021 and 2020 by portfolio segment (in thousands): Three Months Ended March 31, 2021 1-4 Family Residential Real Estate Commercial Real Estate Construction Commercial Home Equity and Improvement Consumer Finance Total Beginning Allowance $ 17,534 $ 43,417 $ 2,741 $ 11,665 $ 4,739 $ 1,983 $ 82,079 Charge-Offs — — — (70 ) (3 ) (36 ) (109 ) Recoveries 8 36 — 198 29 27 298 Provisions (34 ) (8,181 ) 35 398 416 (148 ) (7,514 ) Ending Allowance $ 17,508 $ 35,272 $ 2,776 $ 12,191 $ 5,181 $ 1,826 $ 74,754 Three Months Ended March 31, 2020 1-4 Family Residential Real Estate Commercial Real Estate Construction Commercial Home Equity and Improvement Consumer Finance Total Beginning Allowance $ 2,867 $ 16,302 $ 996 $ 9,003 $ 1,700 $ 375 $ 31,243 Impact of ASC 326 Adoption 1,765 3,682 (223 ) (2,263 ) (521 ) (86 ) 2,354 Acquisition related allowance for credit loss (PCD) 1,077 4,053 — 2,272 248 48 7,698 Charge-Offs (184 ) (16 ) — (96 ) (30 ) (108 ) (434 ) Recoveries 101 340 — 669 42 60 1,212 Provisions (1) 17,698 18,154 111 2,316 2,515 2,992 43,786 Ending Allowance $ 23,324 $ 42,515 $ 884 $ 11,901 $ 3,954 $ 3,281 $ 85,859 (1) Provision for the three months ended March 31, 2020, includes $25.9 million as a result of the Merger with UCFC. The following table presents the amortized cost basis of collateral-dependent loans by class of loans and collateral type as of March 31, 2021 and December 31, 2020 (in thousands): March 31, 2021 Real Estate Equipment and Machinery Inventory and Receivables Vehicles Total Real Estate: Residential $ 1,008 $ — $ — $ — $ 1,008 Commercial 30,419 — — — 30,419 Construction — — — — — Other Loans: Commercial 2,530 672 6,613 33 9,848 Home equity and improvement — — — — — Consumer finance — — — — — Total $ 33,957 $ 672 $ 6,613 $ 33 $ 41,275 December 31, 2020 Real Estate Equipment and Machinery Inventory and Receivables Vehicles Total Real Estate: Residential $ 1,024 $ — $ — $ — $ 1,024 Commercial 33,999 — — — 33,999 Construction — — — — — Other Loans: Commercial 1,426 5,317 4,943 125 11,811 Home equity and improvement — — — — — Consumer finance — — — — — Total $ 36,449 $ 5,317 $ 4,943 $ 125 $ 46,834 Non-performing loans include both smaller balance homogeneous loans that are collectively evaluated for impairment and individually analyzed loans. All loans greater than 90 days past due are placed on non-accrual status. The following table presents the current balance of the aggregate amounts of non-performing assets, comprised of non-performing loans and real estate owned as of the dates indicated: March 31, 2021 December 31, 2020 (In Thousands) Non-accrual loans with reserve $ 35,835 $ 35,234 Non-accrual loans without reserve $ 13,463 $ 16,448 Loans over 90 days past due and still accruing — — Total non-performing loans 49,298 51,682 Real estate and other assets held for sale 54 343 Total non-performing assets $ 49,352 $ 52,025 Troubled debt restructuring, still accruing $ 6,068 $ 7,173 The following table presents the aging of the amortized cost in past due and non-accrual loans as of March 31, 2021, by class of loans (in thousands): Current 30 - 59 days 60 - 89 days 90 + days Total Past Due Total Non- Accrual Real Estate: Residential 1,145,380 757 4,624 8,182 13,563 9,197 Commercial 2,381,959 216 574 957 1,747 11,799 Construction 342,379 21 564 243 828 243 Other Loans: Commercial 1,145,483 235 63 389 687 1,686 Home equity and improvement 250,442 727 233 1,647 2,607 2,173 Consumer finance 114,402 878 461 1,577 2,916 1,676 PCD 41,778 728 344 14,440 15,512 22,524 Total Loans $ 5,421,823 $ 3,562 $ 6,863 $ 27,435 $ 37,860 $ 49,298 The following table presents the aging of the recorded investment in past due and non-accrual loans as of December 31, 2020, by class of loans (in thousands): Current 30 - 59 days 60 - 89 days 90 + days Total Past Due Total Non Accrual Real Estate: Residential $ 1,173,979 $ 433 $ 7,669 $ 9,000 $ 17,102 $ 10,178 Commercial 2,357,909 1,033 369 844 2,246 11,980 Construction 310,152 — 1,626 806 2,432 806 Other Loans: Commercial 1,172,636 9 4 394 407 1,365 Home equity and improvement 262,373 3,440 839 1,137 5,416 1,537 Consumer finance 117,088 1,687 491 1,521 3,699 1,624 PCD 50,218 402 1,882 13,299 15,583 24,192 Total Loans $ 5,444,355 $ 7,004 $ 12,880 $ 27,001 $ 46,885 $ 51,682 Troubled Debt Restructurings As of March 31, 2021, and December 31, 2020, the Company had a recorded investment in troubled debt restructurings (“TDRs”) of $12.5 million and $16.6 million, respectively. The Company allocated $697,000 and $883,000 of specific reserves to those loans at March 31, 2021, and December 31, 2020, respectively, and had committed to lend additional amounts totaling up to $277,000 and $303,000 at March 31, 2021, and December 31, 2020, respectively. The Company is working with borrowers impacted by the COVID-19 pandemic by providing modifications to include either interest only deferral or principal and interest deferral. These modifications range from one to nine months. As of March 31, 2021, the Company had approximately $35.8 million in active deferrals compared to December 31, 2020 at $ 53.4 A breakout of deferrals by loan category is as follows (in thousands): March 31, 2021 Balance deferred December 31, 2020 Balance deferred Residential real estate $ 3,399 $ 7,016 Commercial real estate 31,232 34,831 Construction 13 9,579 Commercial 1,125 1,628 Home equity and improvement - 114 Consumer finance 15 282 Total $ 35,784 $ 53,450 The following table is a breakout of commercial deferrals by expiration (in thousands): Commercial deferral expirations Balance April $ 25,320 May 7,050 June - July - August - September - Total $ 32,370 The Company offers various types of concessions when modifying a loan, however, forgiveness of principal is rarely granted. Each TDR is uniquely designed to meet the specific needs of the borrower. Commercial and industrial loans modified in a TDR often involve temporary interest-only payments, term extensions and converting revolving credit lines to term loans. Additional collateral or an additional guarantor is often requested when granting a concession. Commercial mortgage loans modified in a TDR often involve temporary interest-only payments, re-amortization of remaining debt in order to lower payments and sometimes reducing the interest rate lower than the current market rate. Residential mortgage loans modified in a TDR are comprised of loans where monthly payments are lowered, either through interest rate reductions or principal only payments for a period of time, to accommodate the borrowers’ financial needs, interest is capitalized into principal, or the term and amortization are extended. Home equity modifications are made infrequently and usually involve providing an interest rate that is lower than the borrower would be able to obtain due to credit issues. All retail loans where the borrower is in bankruptcy are classified as TDRs regardless of whether or not a concession is made. Of the loans modified in a TDR as of March 31, 2021, $6.5 million were on non-accrual status and partial charge-offs have in some cases been taken against the outstanding balance. Loans modified as a TDR may have the financial effect of increasing the allowance associated with the loan. If the loan is determined to be collateral dependent, the estimated fair value of the collateral, less any selling costs is used to determine if there is a need for a specific allowance or charge-off. If the loan is determined to be cash flow dependent, the allowance is measured based on the present value of expected future cash flows discounted at the loan’s pre-modification effective interest rate. The following tables present loans by class modified as TDRs that occurred during the three months ended March 31, 2021, and March 31, 2020: Loans Modified as a TDR for the Three Months Ended March 31, 2021 ($ in thousands) Troubled Debt Restructurings Number of Loans Recorded Investment (as of period end) Real Estate: Residential 2 $ 150 Commercial Construction — — Other Loans: Commercial 3 709 Home equity and improvement Consumer finance — — Total 5 $ 859 The loans described above increased the ACL by $6,000 in the three months ended March 31, 2021. Loans Modified as a TDR for the Three Months Ended March 31, 2020 ($ in thousands) Troubled Debt Restructurings Number of Loans Recorded Investment (as of period end) Real Estate: Residential 2 $ 378 Commercial 1 93 Construction — — Other Loans: Commercial 5 156 Home equity and improvement 1 26 Consumer finance — — Total 9 $ 653 The loans described above increased the ACL by $29,000 in the three months ended March 31, 2020. In order to determine whether a borrower is experiencing financial difficulty, an evaluation is performed on the probability that the borrower will be in payment default on any of its debt in the foreseeable future without the modification. There were no TDRs that subsequently defaulted as of March 31, 2021. The following table presents loans by class modified as TDRs for which there was a payment default within twelve months following the modification during the three months ended March 31, 2020: Three Months Ended March 31, 2020 ($ in thousands) Troubled Debt Restructurings That Subsequently Defaulted Number of Loans Recorded Investment (as of period end) Real Estate: Residential 3 $ 268 Commercial 1 172 Construction — — Other Loans: Commercial 1 132 Home equity and improvement 1 146 Consumer finance — — Total 6 $ 718 The TDRs that subsequently defaulted described above increased the ACL by In order to determine whether a borrower is experiencing financial difficulty, an evaluation is performed on the probability that the borrower will be in payment default on any of its debt in the foreseeable future without the modification. Credit Quality Indicators Loans are categorized into risk categories based on relevant information about the ability of borrowers to service their debt such as: current financial information, historical payment experience, credit documentation, public information, and current economic trends, among other factors. Loans are analyzed individually by classifying the loans by credit risk. This analysis includes all non-homogeneous loans, such as commercial and commercial real estate loans and certain homogenous mortgage, home equity and consumer loans. This analysis is performed on a quarterly basis. Premier uses the following definitions for risk ratings: Special Mention. Loans classified as special mention have a potential weakness that deserves management’s close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the loan or of the institution's credit position at some future date. Substandard. Loans classified as substandard are inadequately protected by the current net worth and paying capacity of the obligor or of the collateral pledged, if any. Loans so classified have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt. They are characterized by the distinct possibility that the institution will sustain some loss if the deficiencies are not corrected. Doubtful. Loans classified as doubtful have all the weaknesses inherent in those classified as substandard, with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, conditions, and values, highly questionable and improbable. Loans not meeting the criteria above that are analyzed individually as part of the above described process are considered to be pass rated loans. As of March 31, 2021, and based on the most recent analysis performed, the risk category of loans by class of loans is as follows (in thousands): Class Unclassified Special Mention Substandard Doubtful Total classified Total Real Estate: Residential 1,150,158 1,173 7,612 — 7,612 1,158,943 Commercial 2,219,717 115,758 48,231 — 48,231 2,383,706 Construction 321,838 21,126 243 — 243 343,207 Other Loans: Commercial 1,097,603 25,400 23,167 — 23,167 1,146,170 Home equity and improvement 250,944 — 2,105 — 2,105 253,049 Consumer finance 115,639 — 1,679 — 1,679 117,318 PCD 23,956 1,748 31,586 — 31,586 57,290 Total Loans $ 5,179,855 $ 165,205 $ 114,623 $ — $ 114,623 $ 5,459,683 As of December 31, 2020, and based on the most recent analysis performed, the risk category of loans by class of loans is as follows (in thousands): Class Unclassified Special Mention Substandard Doubtful Total classified Total Real Estate: Residential 1,187,923 795 2,363 — 2,363 1,191,081 Commercial 2,203,652 111,039 45,464 — 45,464 2,360,155 Construction 299,866 12,718 — — — 312,584 Other Loans: Commercial 1,142,289 23,907 6,847 — 6,847 1,173,043 Home equity and improvement 267,350 — 439 — 439 267,789 Consumer finance 120,682 — 105 — 105 120,787 PCD 26,829 3,813 35,159 — 35,159 65,801 Total Loans $ 5,248,591 $ 152,272 $ 90,377 $ — $ 90,377 $ 5,491,240 The tables below presents the amortized cost basis of loans by credit quality indicator and class of loans as of March 31, 2021 and December 31, 2020 (in thousands): Term of loans by origination 2021 2020 2019 2018 2017 Prior Revolving Loans Total As of March 31, 2021 Real Estate Residential: Risk Rating Pass $ 24,792 $ 315,724 $ 163,589 $ 114,232 $ 110,887 $ 419,110 $ 1,824 $ 1,150,158 Special Mention — 197 — — 61 222 693 1,173 Substandard — — 812 957 816 5,027 — 7,612 Doubtful — — — — — — — — Total $ 24,792 $ 315,921 $ 164,401 $ 115,189 $ 111,764 $ 424,359 $ 2,517 $ 1,158,943 Commercial: Risk Rating Pass $ 94,527 $ 524,710 $ 451,219 $ 284,383 $ 279,152 $ 570,348 $ 15,378 $ 2,219,717 Special Mention — 5,992 6,768 13,063 59,870 29,170 895 115,758 Substandard — 439 6,967 16,886 1,106 20,703 2,130 48,231 Doubtful — — — — — — — — Total $ 94,527 $ 531,141 $ 464,954 $ 314,332 $ 340,128 $ 620,221 $ 18,403 $ 2,383,706 Construction: Risk Rating Pass $ 25,201 $ 121,539 $ 89,755 $ 71,267 $ 10,548 $ 3,528 $ - $ 321,838 Special Mention — 6,767 — 13,302 1,057 — — 21,126 Substandard — — 243 — — — — 243 Doubtful — — — — — — — — Total $ 25,201 $ 128,306 $ 89,998 $ 84,569 $ 11,605 $ 3,528 $ - $ 343,207 Other Loans Commercial: Risk Rating Pass $ 191,460 $ 431,081 $ 118,396 $ 73,640 $ 35,277 $ 34,149 $ 213,600 $ 1,097,603 Special Mention — 999 5,546 2,363 1,849 5,095 9,548 25,400 Substandard 100 16,676 1,290 429 812 467 3,393 23,167 Doubtful — — — — — — — — Total $ 191,560 $ 448,756 $ 125,232 $ 76,432 $ 37,938 $ 39,711 $ 226,541 $ 1,146,170 Home equity and Improvement: Risk Rating Pass $ 4,768 $ 8,419 $ 6,740 $ 4,014 $ 7,113 $ 35,013 $ 184,877 $ 250,944 Special Mention — — — — — — — — Substandard — — 28 52 19 552 1,454 2,105 Doubtful — — — — — — — — Total $ 4,768 $ 8,419 $ 6,768 $ 4,066 $ 7,132 $ 35,565 $ 186,331 $ 253,049 Consumer Finance: Risk Rating Pass $ 8,784 $ 33,962 $ 33,007 $ 16,542 $ 8,571 $ 5,926 $ 8,847 $ 115,639 Special Mention — — — — — — — — Substandard — 639 696 111 42 164 27 1,679 Doubtful — — — — — — — — Total $ 8,784 $ 34,601 $ 33,703 $ 16,653 $ 8,613 $ 6,090 $ 8,874 $ 117,318 PCD: Risk Rating Pass $ - $ - $ 219 $ 2,236 $ 1,907 $ 16,895 $ 2,699 $ 23,956 Special Mention — — — — — 1,748 — 1,748 Substandard — — 35 90 14,766 10,551 6,144 31,586 Doubtful — — — — — — — — Total $ - $ - $ 254 $ 2,326 $ 16,673 $ 29,194 $ 8,843 $ 57,290 Term of loans by origination 2020 2019 2018 2017 2016 Prior Revolving Loans Total As of December 31, 2020 Real Estate Residential: Risk Rating Pass $ 250,979 $ 196,158 $ 136,247 $ 130,759 $ 137,581 $ 333,572 $ 2,627 $ 1,187,923 Special Mention 199 — — 62 116 211 207 795 Substandard — 74 289 252 136 1,612 2,363 Doubtful — — — — — — — — Total $ 251,178 $ 196,232 $ 136,536 $ 131,073 $ 137,833 $ 335,395 $ 2,834 $ 1,191,081 Commercial: Risk Rating Pass $ 517,691 $ 457,905 $ 299,072 $ 300,573 $ 198,247 $ 414,082 $ 16,082 $ 2,203,652 Special Mention 6,014 7,239 10,452 60,712 7,977 17,723 922 111,039 Substandard — 279 18,851 1,937 3,143 19,107 2,147 45,464 Doubtful — — — — — — — — Total $ 523,705 $ 465,423 $ 328,375 $ 363,222 $ 209,367 $ 450,912 $ 19,151 $ 2,360,155 Construction: Risk Rating Pass $ 101,616 $ 100,553 $ 82,972 $ 11,666 $ 2,911 $ 148 $ - $ 299,866 Special Mention 5,587 — 7,131 — — — — 12,718 Substandard — — — — — — — — Doubtful — — — — — — — — Total $ 107,203 $ 100,553 $ 90,103 $ 11,666 $ 2,911 $ 148 $ - $ 312,584 Other Loans Commercial: Risk Rating Pass $ 568,678 $ 144,977 $ 82,492 $ 42,421 $ 21,262 $ 21,969 $ 260,490 $ 1,142,289 Special Mention 1,180 2,026 2,514 2,109 37 5,121 10,920 23,907 Substandard 148 201 497 543 257 269 4,932 6,847 Doubtful — — — — — — — — Total $ 570,006 $ 147,204 $ 85,503 $ 45,073 $ 21,556 $ 27,359 $ 276,342 $ 1,173,043 Home equity and Improvement: Risk Rating Pass $ 8,736 $ 7,483 $ 4,508 $ 7,963 $ 7,748 $ 31,382 $ 199,530 $ 267,350 Special Mention — — — — — — — — Substandard — — — — — 86 353 439 Doubtful — — — — — — — — Total $ 8,736 $ 7,483 $ 4,508 $ 7,963 $ 7,748 $ 31,468 $ 199,883 $ 267,789 Consumer Finance: Risk Rating Pass $ 38,665 $ 37,601 $ 19,401 $ 10,607 $ 4,393 $ 3,272 $ 6,743 $ 120,682 Special Mention — — — — — — — — Substandard — 98 3 — 4 — — 105 Doubtful — — — — — — — — Total $ 38,665 $ 37,699 $ 19,404 $ 10,607 $ 4,397 $ 3,272 $ 6,743 $ 120,787 PCD: Risk Rating Pass $ - $ 45 $ 2,378 $ 2,547 $ 1,524 $ 18,998 $ 1,337 $ 26,829 Special Mention — — — 1,160 509 1,758 386 3,813 Substandard — — — 14,371 2,502 7,207 11,079 35,159 Doubtful — — — — — — — — Total $ - $ 45 $ 2,378 $ 18,078 $ 4,535 $ 27,963 $ 12,802 $ 65,801 Allowance for Credit Losses (“ACL”) The Company has adopted ASU 2016-13 (Topic 326 – Credit Losses) to calculate the ACL, which requires a projection of credit loss over the contract lifetime of the credit adjusted for prepayment tendencies. This valuation account is deducted from the loans amortized cost basis to present the net amount expected to be collected on the loan. The ACL is adjusted through the provision for credit losses and reduced by net charge offs of loans. The credit loss estimation process involves procedures that consider the unique characteristics of the Company’s portfolio segments. These segments are further disaggregated into the loan pools for monitoring. When computing allowance levels, a model of risk characteristics, such as loss history and delinquency status, along with current conditions and a supportable forecast is used to determine credit loss assumptions. The Company is generally utilizing two methodologies to analyze loan pools, DCF and probability of default/loss given default (“PD/LGD”). A default can be triggered by one of several different asset quality factors including past due status, non-accrual status, TDR status or if the loan has had a charge-off. The PD/LGD utilizes charge off data from the Federal Financial Institutions Examination Council to construct a default rate. This default rate is further segmented based on the risk of the credit assigning a higher default rate to riskier credits. The DCF methodology was selected as the most appropriate for loan segments with longer average lives and regular payment structures. The DCF model has two key components, the loss driver analysis combined with a cash flow analysis. The contractual cash flow is adjusted for PD/LGD and prepayment speed to establish a reserve level. The prepayment studies are updated quarterly by a third-party for each applicable pool. The Company estimates losses over an approximate one-year forecast period using Moody’s baseline economic forecasts, and then reverts to longer term historical loss experience over a three-year period. The remaining life method was selected for the consumer loan segment since the pool contains loans with many different structures and payment streams and collateral. The weighted average remaining life uses an average annual charge-off rate applied to the contractual term, further adjusted for estimated prepayments to determine the unadjusted historical charge-off rate for the remaining balance of assets. Portfolio Segments Loan Pool Methodology Loss Drivers Residential real estate 1-4 Family nonowner occupied DCF National unemployment 1-4 Family owner occupied DCF National unemployment Commercial real estate Commercial real estate nonowner occupied DCF National unemployment Commercial real estate owner occupied DCF National unemployment Multi Family DCF National unemployment Agriculture Land DCF National unemployment Other commercial real estate DCF National unemployment Construction secured by real estate Construction PD/LGD Call report loss history Commercial Commercial working capital PD/LGD Call report loss history Agriculture production PD/LGD Call report loss history Other commercial PD/LGD Call report loss history Home equity and improvement Home equity and improvement PD/LGD Call report loss history Consumer finance Consumer finance Remaining life Call report loss history According to the accounting standard an entity may make an accounting policy election not to measure an allowance for credit losses for accrued interest receivable if the entity writes off the applicable accrued interest receivable balance in a timely manner. The Company has made the accounting policy election not to measure an allowance for credit losses for accrued interest receivables for all loan segments. Current policy dictates that a loan will be placed on nonaccrual status, with the current accrued interest receivable balance being written off, upon the loan being 90 days delinquent or when the loan is deemed to be collateral dependent and the collateral analysis shows less than 1.2 times discounted collateral coverage based on a current assessment of the value of the collateral. In addition to the ASC Topic 326 requires the Company to establish a liability for anticipated credit losses for unfunded commitments. To accomplish this, the company must first establishes a loss expectation for extended (funded) commitments. This loss expectation, expressed as a ratio to the amortized cost basis, is then applied to the portion of unfunded commitments not considered unilaterally cancelable, and considered by the company’s management as likely to fund over the life of the instrument. At March 31, 2021, the Company had $1.4 billion in unfunded commitments and set aside $6.0 million in anticipated credit losses. This reserve is recorded in other liabilities as opposed to the ACL. The determination of ACL is complex and the Company makes decisions on the effects of matters that are inherently uncertain. Evaluations of the loan portfolio and individual credits require certain estimates, assumptions and judgements as to the facts and circumstances related to particular situations or credits. There may be significant changes in the ACL in future periods determined by prevailing factors at that point in time along with future forecasts. Purchased Loans As a result of the Merger , the C ompany acquired $ billion in loans. Par value of purchased loans follows (in thousands): 2020 Par value of acquired loans at acquisition $ 2,247,317 Credit discount (34,610 ) Non-credit (discount)/premium at acquisition 8,497 Purchase price of loans at acquisition $ 2,221,204 Under ASU Topic 326, when loans are purchased with evidence of more than insignificant deterioration of credit, they are accounted for as PCD. PCD loans acquired in a transaction are marked to fair value and a mark on yield is recorded. In addition, an adjustment is made to the ACL for the expected loss on the acquisition date. These loans are assessed on a regular basis and subsequent adjustments to the ACL are recorded on the income statement. On January 31, 2020, the Company acquired PCD loans with a fair value of $79.1 million, credit discount $7.7 million and a noncredit discount of $4.1 million . As of March 31, 2021 As of December 31, 2020 Loan Balance ACL Balance Loan Balance ACL Balance (In Thousands) (In Thousands) Real Estate: Residential $ 14,418 $ 278 $ 14,895 $ 201 Commercial 21,380 2,098 24,334 2,286 Construction — — — — 35,798 2,376 39,229 2,487 Other Loans: Commercial 15,962 2,149 20,990 1,896 Home equity and improvement 4,715 235 4,912 214 Consumer finance 815 15 670 20 21,492 2,399 26,572 2,130 Total $ 57,290 $ 4,775 $ 65,801 $ 4,617 Foreclosure Proceedings Consumer mortgage loans collateralized by residential real estate property that are in the process of foreclosure totaled $835,000 as of March 31, 2021, and $784,000 as of December 31, 2020.

Mortgage Banking

Mortgage Banking	3 Months Ended
	Mar. 31, 2021
Mortgage Banking [Abstract]
Mortgage Banking	9 . Mortgage Banking Net revenues from servicing Three Months Ended March 31, 2021 2020 (In Thousands) Gain from sale of mortgage loans $ 5,640 $ 4,902 Mortgage loans servicing revenue (expense): Mortgage loans servicing revenue 1,917 1,594 Amortization of mortgage servicing rights (2,344 ) (1,163 ) Mortgage servicing rights valuation adjustments 5,320 (4,485 ) 4,893 (4,054 ) Net revenue from sale and servicing of mortgage loans $ 10,533 $ 848 The unpaid principal balance of residential mortgage loans serviced for third parties was $2.9 billion at March 31, 2021, and $3.0 billion at December 31, 2020. Activity for capitalized mortgage servicing rights and the related valuation allowance follows for the three months ended March 31, 2021 and 2020: Three Months Ended March 31, 2021 2020 (In Thousands) Mortgage servicing assets: Balance at beginning of period $ 21,666 $ 10,801 Loans sold, servicing retained 2,374 1,376 Mortgage servicing rights acquired — 9,747 Amortization (2,344 ) (1,163 ) Carrying value before valuation allowance at end of period 21,696 20,761 Valuation allowance: Balance at beginning of period (8,513 ) (534 ) Impairment recovery (charges) 5,320 (4,485 ) Balance at end of period (3,193 ) (5,019 ) Net carrying value of MSRs at end of period $ 18,503 $ 15,742 Fair value of MSRs at end of period $ 18,695 $ 16,105 Amortization of mortgage servicing rights is computed based on payments and payoffs of the related mortgage loans serviced. Estimates of future amortization expense are not easily estimable. The Company has no accrual for secondary market buy-back activity at March 31, 2021 based on management’s estimate of potential losses from this activity. A liability of $43,000 was accrued at December 31, 2020. The Company recognized a credit of $43,000 related to the reduction of the accrual in the three months ended March 31, 2021. There was no expense or credit recognized in the three months ended March 31, 2020.

Leases

Leases	3 Months Ended
	Mar. 31, 2021
Leases [Abstract]
Leases	10. Leases The Company’s lease agreements have maturity dates ranging from April 2021 to September 2044, some of which include options for multiple five and ten year extensions. The weighted average remaining life of the lease term for these leases was 14.84 years as of March 31, 2021 and 15.09 years as of December 31, 2020. The weighted average discount rate for leases was 2.59% as of March 31, 2021 and 2.61% as of December 31, 2020. The total operating lease costs were $664,000 for the three months ended March 31, 2021, and $517,000 for the three months ended March 31, 2020. The right-of-use asset, included in other assets, was $16.9 million and $16.9 million at March 31, 2021 and December 31, 2020, respectively. The lease liabilities, included in other liabilities, were $17.7 million and $17.8 million as of March 31, 2021 and December 31, 2020, respectively. Undiscounted cash flows included in lease liabilities have expected contractual payments as follows: (in thousands) March 31, 2021 2021 $ 1,764 2022 2,020 2023 1,638 2024 1,412 2025 1,259 Thereafter 13,761 Total undiscounted minimum lease payments $ 21,854 Present value adjustment (4,132 ) Total lease liabilities $ 17,722

Deposits

Deposits	3 Months Ended
	Mar. 31, 2021
Deposits [Abstract]
Deposits	1 1 . Deposits A summary of deposit March 31, 2021 December 31, 2020 (In Thousands) Non-interest-bearing checking accounts $ 1,728,895 $ 1,597,262 Interest-bearing checking and money market accounts 2,806,271 2,627,669 Savings deposits 761,899 700,480 Retail certificates of deposit less than $250,000 842,624 912,006 Retail certificates of deposit greater than $250,000 212,230 210,424 $ 6,351,919 $ 6,047,841

Borrowings

Borrowings	3 Months Ended
	Mar. 31, 2021
Subordinated Borrowings [Abstract]
Borrowings	1 2 . Borrowings Premier had no FHLB advances outstanding at either March 31, 2021 or December 31, 2020. Premier’s junior subordinated debentures owed to unconsolidated subsidiary trusts and subordinated debentures are comprised of the following: March 31, 2021 December 31, 2020 (In Thousands) Junior subordinated debentures owed to unconsolidated subsidiary trusts $ 36,083 $ 36,083 Subordinated debentures 48,798 48,777 In September 2020, the Company completed the issuance of $50.0 million aggregate principal amount, fixed-to-floating rate subordinated notes due September 30, 2030 in a private offering exempt from the registration requirements under the Securities Act of 1933, as amended. The notes carry a fixed rate of 4.0% for five years at which time they will convert to a floating rate based on the secured overnight borrowing rate, plus a spread of In March 2007, the Company sponsored an affiliated trust, First Defiance Statutory Trust II (“Trust Affiliate II”) that issued $15.0 million of Guaranteed Capital Trust Securities (“Trust Preferred Securities”). In connection with this transaction, the Company issued $15.5 million of Junior Subordinated Deferrable Interest Debentures (Subordinated Debentures) to Trust Affiliate II. The Company formed Trust Affiliate II for the purpose of issuing Trust Preferred Securities to third-party investors and investing the proceeds from the sale of these capital securities solely in Subordinated Debentures of the Company. The Subordinated Debentures held by Trust Affiliate II are the sole assets of that trust. The Company is not considered the primary beneficiary of Trust Affiliate II (variable interest entity), therefore the trust is not consolidated in the Company’s financial statements, but rather the subordinated debentures are shown as a liability. The Trust Preferred Securities issued by Trust Affiliate II are subject to mandatory redemption, in whole or part, upon repayment of the Subordinated Debentures. The Company has entered into an agreement that fully and unconditionally guarantees the Trust Preferred Securities subject to the terms of the guarantee. The Trust Preferred Securities and Subordinated Debentures mature on September 15, 2037, but can be redeemed at the Company’s option at any time now. The Company also sponsored an affiliated trust, First Defiance Statutory Trust I (“Trust Affiliate I”) that issued $20.0 million of Trust Preferred Securities in 2005. In connection with this transaction, the Company issued $20.6 million of Subordinated Debentures to Trust Affiliate I. Trust Affiliate I was formed for the purpose of issuing Trust Preferred Securities to third-party investors and investing the proceeds from the sale of these capital securities solely in Subordinated Debentures of the Company. The Junior Debentures held by Trust Affiliate I are the sole assets of the trust. The Company is not considered the primary beneficiary of Trust Affiliate I (variable interest entity), therefore the trust is not consolidated in the Company’s financial statements, but rather the subordinated debentures are shown as a liability. The Trust Preferred Securities issued by Trust Affiliate I are subject to mandatory redemption, in whole or in part, upon repayment of the Subordinated Debentures. The Company has entered into an agreement that fully and unconditionally guarantees the Trust Preferred Securities subject to the terms of the guarantee. The Trust Preferred Securities and Subordinated Debentures mature on December 15, 2035, but can be redeemed at the Company’s option at any time now. The Subordinated Debentures related to the Trust Preferred Securities may be included in Tier 1 capital (with certain limitations applicable) under current regulatory guidelines and interpretations. Interest on both issues of Trust Preferred Securities may be deferred for a period of up to five years at the option of the issuer.

Commitments, Guarantees and Con

Commitments, Guarantees and Contingent Liabilities	3 Months Ended
	Mar. 31, 2021
Commitments And Contingencies Disclosure [Abstract]
Commitments, Guarantees and Contingent Liabilities	1 3 . Commitments, Guarantees and Contingent Liabilities Loan commitments are made to accommodate the financial needs of Premier’s customers commitments that result in market risk. Standby letters of credit commit the Company to make payments on behalf of customers when certain specified future events occur. They primarily are issued to facilitate customers’ trade transactions. Both arrangements have credit risk, essentially the same as that involved in extending loans to customers, and are subject to the Company’s normal credit policies. Collateral (e.g., securities, receivables, inventory and equipment) is obtained based on a credit assessment of the customer. The Company’s maximum obligation to extend credit for loan commitments (unfunded loans and unused lines of credit) and standby letters of credit outstanding as of the periods stated below were as follows (in thousands): March 31, 2021 December 31, 2020 Commitments to make loans $ 773,625 $ 702,103 Unused lines of credit 927,333 918,470 Standby letters of credit 23,268 22,250 Total $ 1,724,226 $ 1,642,823 Commitments to make loans are generally made for periods of 60 days or less.

Income Taxes

Income Taxes	3 Months Ended
	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Income Taxes	1 4 . Income Taxes The Company and its subsidiaries are subject to U.S. federal income tax as well as income tax in the state of Indiana and West Virginia. The Company is no longer subject to examination by taxing authorities for years before 2017. The Company currently operates primarily in the states of Ohio, Michigan and Pennsylvania which tax financial institutions based on their equity rather than their income. The components of income tax expense (benefit) are as follows: For the Three Months Ended March 31, 2021 2020 (In Thousands) Current: Federal $ 6,362 $ (5,140 ) State and local 163 75 Deferred 3,427 (545 ) $ 9,952 $ (5,610 ) The effective tax rates differ from federal statutory rate applied to income due to the following: For the Three Months Ended March 31, 2021 2020 (In Thousands) Tax expense (benefit) at statutory rate (21%) $ 10,699 $ (5,899 ) Increases (decreases) in taxes from: State income tax - net of federal tax benefit 128 59 Tax exempt interest income, net of TEFRA (200 ) (198 ) Bank owned life insurance (245 ) (164 ) Captive insurance (90 ) (92 ) Other (340 ) 684 Totals $ 9,952 $ (5,610 )

Derivative Financial Instrument

Derivative Financial Instruments	3 Months Ended
	Mar. 31, 2021
Derivative Instruments And Hedging Activities Disclosure [Abstract]
Derivative Financial Instruments	1 5 . Derivative Financial Instruments At March 31, 2021, the Company had approximately $133.8 million of interest rate lock commitments and $322.0 million of forward sales of mortgage backed securities. These commitments are considered derivatives. The Company had $135.7 million of interest rate lock commitments and $265.0 million of forward commitments at December 31, 2020. The fair value of these mortgage banking derivatives are reflected by a derivative asset recorded in other assets in the Consolidated Statements of Financial Condition. The table below provides data about the carrying values of these derivative instrument assets: March 31, 2021 December 31, 2020 Assets Assets Carrying Carrying Value Value (In Thousands) Derivatives not designated as hedging instruments Mortgage Banking Derivatives $ 7,957 $ 3,833 The table below provides data about the amount of gains and losses recognized in income on derivative instruments not designated as hedging instruments. The difference in derivative carrying value at March 31, 2021 and 2020 represents a fair value adjustment that runs through mortgage banking income. Three Months Ended March 31, 2021 2020 (In Thousands) Derivatives not designated as hedging instruments Mortgage Banking Derivatives – Gain (Loss) $ 4,124 $ 471 Interest Rate Swaps The Company maintains an interest rate protection program for commercial loan customers that were acquired in the Merger. Under this program, the Company provides a customer with a fixed rate loan while creating a variable rate asset for the Company by the customer entering into an interest rate swap with terms that match the loan. The Company offsets its risk exposure by entering into an offsetting interest rate swap with an unaffiliated institution. The Company had interest rate swaps associated with commercial loans with a notional value of $87.2 million and fair value of $406,000 in other assets and $375,000 in other liabilities at March 31, 2021. As of December 31, 2020, the Company had interest rate swaps associated with commercial loans with a notional value of $87.8 million and fair value of $1.9 million in other assets and $2.0 million in other liabilities. The difference in fair value of $31,000 between the asset and liability at March 31, 2021 represents a credit valuation adjustment that flows through noninterest income. For the three months ended March 31, 2021 and 2020, $198,000 and $(108,000) flowed through noninterest income. Equity Linked Time Deposit The Company also acquired time deposits in its acquisition of UCFC that have written and purchased option derivatives to facilitate an equity linked time deposit product. The time deposit provides the purchaser a guaranteed return of principal at maturity plus a potential equity return (a written option), while the Bank receives a known stream of funds based on the equity return (a purchase option). The written and purchased options are mirror derivative instruments which are carried at fair value on the consolidated statement of financial condition. At March 3 1 , 2021 and December 31, 2020 , the balance of the equity linked time deposits was $ 3.2 million and $ 5.7 million , respectively, and the written and purchased options each had a fair value of $ and $ 56,000 , respectively .

Other Comprehensive (Loss) Inco

Other Comprehensive (Loss) Income	3 Months Ended
	Mar. 31, 2021
Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract]
Other Comprehensive (Loss) Income	1 6 . Other Comprehensive (Loss) Income The before and after tax amounts allocated to each component of other comprehensive income (loss) are presented in the table below. Reclassification adjustments related to securities available for sale are included in gains on sale of securities in the accompanying consolidated condensed statements of income. Before Tax Amount Tax (Expense) Benefit Net of Tax Amount (In Thousands) Three months ended March 31, 2021: Securities available for sale: Change in net unrealized gain/loss during the period $ (19,112 ) $ 4,014 $ (15,098 ) Reclassification adjustment for net gains included in net income (516 ) 108 (408 ) Total other comprehensive loss $ (19,628 ) $ 4,122 $ (15,506 ) Before Tax Amount Tax (Expense) Benefit Net of Tax Amount (In Thousands) Three months ended March 31, 2020: Securities available for sale: Change in net unrealized gain/loss during the period $ 9,458 $ (1,985 ) $ 7,473 Reclassification adjustment for net gains included in net income — — — Total other comprehensive loss $ 9,458 $ (1,985 ) $ 7,473 Activity in accumulated other comprehensive income (loss), net of tax, was as follows: Securities Available For Sale Post- retirement Benefit Accumulated Other Comprehensive Income (Loss) (In Thousands) Balance January 1, 2021 $ 15,083 $ (79 ) $ 15,004 Other comprehensive income/(loss) before reclassifications (15,098 ) — (15,098 ) Amounts reclassified from accumulated other comprehensive income (408 ) — (408 ) Net other comprehensive income/(loss) during period (15,506 ) — (15,506 ) Balance March 31, 2021 $ (423 ) $ (79 ) $ (502 ) Balance January 1, 2020 $ 4,839 $ (244 ) $ 4,595 Other comprehensive income (loss) before reclassifications 7,473 — 7,473 Amounts reclassified from accumulated other comprehensive income — — 0 Net other comprehensive income during period 7,473 — 7,473 Balance March 31, 2020 $ 12,312 $ (244 ) $ 12,068

Business Combinations

Business Combinations	3 Months Ended
	Mar. 31, 2021
Business Combinations [Abstract]
Business Combinations	1 7 . Business Combinations The Merger became effective January 31, 2020. Immediately following the Merger, Home Savings was merged with and into the Bank, with the Bank surviving. In addition, UCFC’s wholly-owned insurance subsidiaries, HSB Insurance, LLC, and United American Financial Services, Inc., each merged with and into First Insurance. UCFC’s consolidated assets and equity (unaudited) as of January 31, 2020 totaled $2.8 billion and $324.5 million, respectively. The Company accounted for the transaction under the acquisition method of accounting, which means that the acquired assets and liabilities were recorded at fair value at the date of acquisition. The fair value estimates included in these financial statements are based on preliminary valuations. In accordance with ASC 805, the Company expensed approximately $11.5 million of direct acquisition costs during the three months ended March 31, 2020, respectively. The Company recorded $217.9 million of goodwill and $33.0 million of intangible assets in 2020 as a result of the combination. Goodwill represents the future economic benefits arising from net assets acquired that are not individually identified and separately recognized and is attributable to synergies expected to be derived from the combination of the two entities. The Merger was consistent with the Company’s strategy to enhance and expand its presence in northern Ohio. The Merger offers the Company the opportunity to increase profitability by introducing existing products and services to the acquired customer base as well as add new customers in the expanded market area. The intangible assets are related to core deposits, which are being amortized over 10 years on an accelerated basis, and customer relationships, which are being amortized over 10 years on a straight-line basis. For tax purposes, goodwill is non-deductible but will be evaluated annually for impairment. January 31, 2020 (In Thousands) Cash Consideration $ 132 Fair Value of Options Exchanged $ 461 Equity - Dollar Value of Issued Shares 526,850 Fair Value of Total Consideration Transferred 527,443 Recognized Amounts of Identifiable Assets Acquired and Liabilities Assumed: Cash and Cash Equivalents 52,580 Securities available for sale 262,753 Net loans, including loans held for sale and allowance 2,340,701 FHLB Stock 12,753 Office Properties and Equipment 20,253 Intangible Assets 33,014 Bank Owned Life Insurance 65,934 Mortgage Servicing Rights 9,747 Accrued Interest Receivable and Other Assets 35,943 Deposits - Non-Interest Bearing (430,921 ) Deposits - Interest Bearing (1,651,669 ) Advances from FHLB (381,000 ) Accrued Interest Payable and Other Liabilities (60,524 ) Total Identifiable Net Assets 309,564 Goodwill $ 217,879 As a result of the Merger and in accordance with the Merger Agreement, each share of UCFC common stock issued and outstanding immediately prior to the effective time was converted into 0.3715 share of Premier common stock. No fractional shares of Premier common stock were issued in the Merger, and UCFC’s shareholders became entitled to receive cash in lieu of fractional shares. The Company issued 17,926,174 common shares and paid approximately $132,000 to UCFC shareholders as a result of the Merger. The fair value of Premier common shares issued as part of the consideration paid for the UCFC common shares was determined based on the closing price of the Company’s common shares on the effective date of the Merger.

Significant Accounting Polici_2

Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2021
Accounting Policies [Abstract]
Accounting Standards Update	Accounting Standards Update ASU 2016-13, Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments: Issued in June 2016, ASU 2016-13 will add FASB ASC Topic 326, “Financial Instruments-Credit Losses” and finalizes amendments to FASB ASC Subtopic 825-15, “Financial Instruments-Credit Losses.” The amendments of ASU 2016-13 are intended to provide financial statement users with more decision-useful information related to expected credit losses on financial instruments and other commitments to extend credit by replacing the current incurred loss impairment methodology with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information to determine credit loss estimates. The amendments of ASU 2016-13 eliminate the probable initial recognition threshold and, in turn, reflect an entity’s current estimate of all expected credit losses. ASU 2016-13 does not specify the method for measuring expected credit losses, and an entity is allowed to apply methods that reasonably reflect its expectations of the credit loss estimate. The amendments of ASU 2016-13, and all subsequent ASUs issued by FASB to provide additional guidance and clarification related to this Topic, became effective for the Company on January 1, 2020. As a result of adopting the amendments of ASU 2016-13, the Company recorded an increase to its allowance for credit losses of $2.4 million and an increase to its allowance for credit losses on off-balance sheet credit exposures of $0.9 million resulting in a one-time cumulative effect adjustment through retained earnings of $2.6 million net of $0.7 million tax at the date of adoption. This adjustment included a qualitative adjustment to the allowance for credit losses related to loans and an allowance on off-balance sheet credit exposures. The Company estimates losses over an approximate one-year forecast period using Moody’s baseline economic forecasts, and then reverts to longer term historical loss experience over a three-year period.
Accounting Standards Not Yet Adopted	Accounting Standards not yet adopted: ASU No. 2020-04: Reference Rate Reform – Facilitation of the Effects of Reference Rate Reform on Financial Reporting (Topic 848): This guidance provides temporary options to ease the potential burden in accounting for reference rate reform. It is intended to help stakeholders during the global market-wide reference rate transition period. The guidance is effective as of March 12, 2021, through December 31, 2022. The Company anticipates being fully prepared to implement a replacement for the reference rate and has determined that any change will not have a material impact to the consolidated financial statements.

Fair Value (Tables)

Fair Value (Tables)	3 Months Ended
	Mar. 31, 2021
Fair Value Disclosures [Abstract]
Schedule of financial assets measured at fair value on a recurring basis	The following table summarizes the financial assets measured at fair value on a recurring basis segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value: Assets and Liabilities Measured on a Recurring Basis March 31, 2021 Level 1 Inputs Level 2 Inputs Level 3 Inputs Total Fair Value (In Thousands) Assets: Available for sale securities: Obligations of U.S. federal government corporations and agencies $ — $ 38,793 $ — $ 38,793 Mortgage-backed securities — 243,022 — 243,022 Collateralized mortgage obligations — 110,227 — 110,227 Asset-backed securities — 191,913 — 191,913 Corporate bonds — 55,258 — 55,258 Obligations of state and political subdivisions — 279,377 — 279,377 Equity securities 13,753 — — 13,753 Loans held for sale, at fair value — 81,307 134,638 215,945 Purchased certificate of deposit option — 59 — 59 Interest rate swaps — 406 — 406 Mortgage banking derivative — 7,957 — 7,957 Liabilities: Written certificate of deposit option — 59 — 59 Interest rate swaps — 375 — 375 December 31, 2020 Level 1 Inputs Level 2 Inputs Level 3 Inputs Total Fair Value (In Thousands) Assets: Available for sale securities: Obligations of U.S. federal government corporations and agencies $ — $ 40,940 $ — $ 40,940 Mortgage-backed securities — 277,182 — 277,182 Collateralized mortgage obligations — 106,299 — 106,299 Asset-backed securities — 30,546 — 30,546 Corporate bonds — 44,169 — 44,169 Obligations of state and political subdivisions — 237,518 — 237,518 Equity securities 1,090 — — 1,090 Loans held for sale, at fair value — 98,587 123,029 221,616 Purchased certificate of deposit option — 56 — 56 Interest rate swaps — 1,870 — 1,870 Mortgage banking derivative - asset — 3,833 — 3,833 Liabilities: Written certificate of deposit option — 56 — 56 Interest rate swaps — 2,036 — 2,036
Summary of Reconciliation of all Assets Measured at Fair Value on Recurring Basis using Significant Unobservable Inputs (Level 3)	The tables below present a reconciliation of all assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the three month periods ended March 31, 2021 and 2020. Construction loans held for sale Three Months Ended March 31, 2021 2020 Balance of recurring Level 3 assets at beginning of period $ 123,029 $ — Total gains (losses) for the period Included in change in fair value of loans held for sale (5,568 ) 4,962 Originations 34,003 9,581 Acquired in acquisition — 37,711 Sales (16,826 ) (7,834 ) Balance of recurring Level 3 assets at end of period $ 134,638 $ 44,420 Securities available-for-sale Three Months Ended March 31, 2021 2020 Balance of recurring Level 3 assets at beginning of period $ — $ 3,411 Balance of assets classified as Level 3 assets during the period — 2,419 Balance of recurring Level 3 assets at end of period $ — $ 5,830
Schedule of Level 3 assets and liabilities measured at fair value on a recurring or nonrecurring basis	For Level 3 assets and liabilities measured at fair value on a recurring basis, the significant unobservable inputs used in the fair value measurements were as follows: March 31, 2021 Fair Value Valuation Technique Unobservable Inputs Range of Inputs (Dollars in Thousands) Construction loans held for sale $ 134,638 Comparable sales Time discount using the 60 day forward contract 0.00% - 2.18% December 31, 2020 Fair Value Valuation Technique Unobservable Inputs Range of Inputs (Dollars in Thousands) Construction loans held for sale $ 123,029 Comparable sales Time discount using the 60 day forward contract 0.00% - 0.24% For Level 3 assets and liabilities measured at fair value on a non-recurring basis as of March 31, 2021, the significant unobservable inputs used in the fair value measurements were as follows: Fair Value Valuation Technique Unobservable Inputs Range of Inputs Weighted Average (Dollars in Thousands) Individually analyzed Loans- Applies to all loan classes $ 12,398 Appraisals which utilize sales comparison, net income and cost approach Discounts for collection issues and changes in market conditions 10-35% 16.23 % For Level 3 assets and liabilities measured at fair value on a non-recurring basis as of December 31, 2020, the significant unobservable inputs used in the fair value measurements were as follows: Fair Value Valuation Technique Unobservable Inputs Range of Inputs Weighted Average (Dollars in Thousands) Individually analyzed Loans- Applies to all loan classes $ 11,752 Appraisals which utilize sales comparison, net income and cost approach Discounts for collection issues and changes in market conditions 5-37% 24.17 %
Schedule of financial assets measured at fair value on a non-recurring basis	The following table summarizes the financial assets measured at fair value on a non-recurring basis segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value: Assets and Liabilities Measured on a Non-Recurring Basis March 31, 2021 Level 1 Inputs Level 2 Inputs Level 3 Inputs Total Fair Value (In Thousands) Individually analyzed loans Commercial real estate $ - $ - $ 7,617 $ 7,617 Commercial — — 4,781 4,781 Total individually analyzed loans — — 12,398 12,398 Mortgage servicing rights — 13,868 — 13,868 December 31, 2020 Level 1 Inputs Level 2 Inputs Level 3 Inputs Total Fair Value (In Thousands) Individually analyzed loans Commercial real estate $ — $ — $ 4,601 $ 4,601 Commercial — — 7,151 7,151 Total individually analyzed loans — — 11,752 11,752 Mortgage servicing rights — 13,153 — 13,153
Schedule of FHLB advances with maturities	FHLB advances with maturities greater than 90 days are valued based on a DCF analysis, using interest rates currently being quoted for similar characteristics and maturities resulting in a Level 2 classification. The cost or value of any call or put options is based on the estimated cost to settle the option at March 31, 2021. Fair Value Measurements at March 31, 2021 (In Thousands) Carrying Value Total Level 1 Level 2 Level 3 Financial Assets: Cash and cash equivalents $ 303,747 $ 303,747 $ 303,747 $ — $ — Securities available for sale 918,590 918,590 — 918,590 — Equity securities 13,753 13,753 13,753 — — Federal Home Loan Bank Stock 9,328 N/A N/A N/A N/A Loans receivable, net 5,384,929 5,428,651 — — 5,428,651 Loans held for sale, carried at fair value 215,945 215,945 — 81,307 134,638 Financial Liabilities: Deposits $ 6,351,919 $ 6,358,858 $ 5,297,065 $ 1,061,793 $ — Subordinated debentures 84,881 83,707 — 83,707 — Fair Value Measurements at December 31, 2020 (In Thousands) Carrying Value Total Level 1 Level 2 Level 3 Financial Assets: Cash and cash equivalents $ 159,266 $ 159,266 $ 159,266 $ — $ — Securities available for sale 736,654 736,654 — 736,654 — Equity securities 1,090 1,090 1,090 — — Federal Home Loan Bank Stock 16,026 N/A N/A N/A N/A Loans receivable, net 5,409,161 5,412,814 — — 5,412,814 Loans held for sale, carried at fair value 221,616 221,616 — 98,587 123,029 Financial Liabilities: Deposits $ 6,047,841 $ 6,056,426 $ 4,925,411 $ 1,131,015 $ — Subordinated debentures 84,860 83,237 — — 83,237

Stock Compensation Plans (Table

Stock Compensation Plans (Tables)	3 Months Ended
	Mar. 31, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Schedule of stock option activity under the plans	Following is stock option activity under the plans during the three months ended March 31, 2021: Options Outstanding Weighted Average Exercise Price Weighted Average Remaining Contractual Term (in years) Aggregate Intrinsic Value (in 000’s) Options outstanding, January 1, 2021 36,261 $ 21.59 Forfeited or cancelled Exercised (600 ) 13.80 Granted — — Options outstanding, March 31, 2021 35,661 $ 21.72 5.57 $ 411 Exercisable at March 31, 2021 35,661 $ 21.72 5.57 $ 411
Schedule of proceeds, related tax benefits realized from options exercised and intrinsic value of options exercised	Proceeds, related tax benefits realized from options exercised and intrinsic value of options exercised were as follows (in thousands): Three Months Ended March 31, 2021 2020 Proceeds of options exercised $ 8 $ — Related tax benefit recognized — — Intrinsic value of options exercised 11 —
Schedule of restricted stock units and stock grants	Total expense of $1.0 million was recorded during each of the three months ended March 31, 2021 and 2020. There was approximately $2.3 million and $3.2 million included within other liabilities at March 31, 2021, and December 31, 2020, respectively, related to the STIP. Performance Stock Units Restricted Stock Units Restricted Stock Grants Unvested Shares Shares Weighted- Average Grant Date Fair Value Shares Weighted- Average Grant Date Fair Value Shares Weighted- Average Grant Date Fair Value Unvested at January 1, 2021 90,891 $ 26.48 55,759 $ 25.18 41,057 $ 26.93 Granted 86,058 30.32 20,664 29.11 13,708 29.37 Vested — — (30,099 ) 26.15 (20,349 ) 26.75 Forfeited — — — — — — Unvested at March 31, 2021 176,949 $ 28.35 46,324 $ 26.29 34,416 $ 28.01

Earnings (Loss) Per Common Sh_2

Earnings (Loss) Per Common Share (Tables)	3 Months Ended
	Mar. 31, 2021
Earnings Per Share [Abstract]
Schedule of computation of basic and diluted earnings (loss) per common share	The following table sets forth the computation of basic and diluted earnings (loss) per common share: Three Months Ended March 31, 2021 2020 (In Thousands, except per share data) Basic Earnings (Loss) Per Share: Net income (loss) available to common shareholders $ 40,996 $ (22,482 ) Less: income (loss) allocated to participating securities 43 (39 ) Net income (loss) allocated to common shareholders 40,953 (22,443 ) Weighted average common shares outstanding including participating securities 37,332 31,721 Less: Participating securities 39 55 Average common shares 37,293 31,666 Basic earnings (loss) per common share $ 1.10 $ (0.71 ) Diluted Earnings (Loss) Per Share: Net income (loss) allocated to common shareholders $ 40,953 $ (22,443 ) Weighted average common shares outstanding for basic earnings (loss) per common share 37,293 31,666 Add: Dilutive effects of stock options and restricted stock units 64 — Average shares and dilutive potential common shares 37,357 31,666 Diluted earnings (loss) per common share $ 1.10 $ (0.71 )

Investment Securities (Tables)

Investment Securities (Tables)	3 Months Ended
	Mar. 31, 2021
Marketable Securities [Abstract]
Summary of available-for-sale securities	The following is a summary of available-for-sale securities: Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Fair Value (In Thousands) At March 31, 2021 Available-for-Sale Securities: Obligations of U.S. government corporations and agencies $ 38,868 $ 771 $ (846 ) $ 38,793 Mortgage-backed securities 243,126 3,284 (3,388 ) 243,022 Collateralized mortgage obligations 109,552 1,225 (550 ) 110,227 Asset-backed securities 191,788 484 (359 ) 191,913 Corporate bonds 55,049 524 (315 ) 55,258 Obligations of state and political subdivisions 280,743 6,051 (7,417 ) 279,377 Total Available-for-Sale $ 919,126 $ 12,339 $ (12,875 ) $ 918,590 As a result of the Merger, securities with a fair value of $262.8 million were acquired on January 31, 2020. Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Fair Value (In Thousands) At December 31, 2020 Available-for-sale Obligations of U.S. government corporations and agencies $ 39,233 $ 1,707 $ — $ 40,940 Mortgage-backed securities 270,683 6,746 (247 ) 277,182 Collateralized mortgage obligations 103,532 2,927 (160 ) 106,299 Asset-backed securities 30,643 1 (98 ) 30,546 Corporate bonds 43,826 489 (146 ) 44,169 Obligations of state and political subdivisions 229,645 8,069 (196 ) 237,518 Total Available-for-Sale $ 717,562 $ 19,939 $ (847 ) $ 736,654
Schedule of investments classified by contractual maturity date	The amortized cost and fair value of the investment securities portfolio at March 31, 2021, are shown below by contractual maturity. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. For purposes of the maturity table, mortgage-backed securities (“MBS”), CMOs and asset-backed securities (“ABS”), which are not due at a single maturity date, have not been allocated over the maturity groupings. These securities may mature earlier than their weighted-average contractual maturities because of principal prepayments. Available-for-Sale Amortized Cost Fair Value (In Thousands) Due in one year or less $ 5,853 $ 5,869 Due after one year through five years 29,787 30,284 Due after five years through ten years 93,585 95,386 Due after ten years 245,435 241,889 MBS/CMO/ABS 544,466 545,162 $ 919,126 $ 918,590
Schedule of securities that were in an unrealized loss position	The following tables summarize Premier’s securities that were in an unrealized loss position at March 31, 2021, and December 31, 2020: Duration of Unrealized Loss Position Less than 12 Months 12 Months or Longer Total Fair Value Gross Unrealized Loss Fair Value Gross Unrealized Loss Fair Value Unrealized Losses (In Thousands) At March 31, 2021 Available-for-sale securities: Obligations of U.S. government corporations and agencies $ 9,520 $ (846 ) $ - $ - $ 9,520 $ (846 ) Mortgage-backed securities 152,648 (3,388 ) — — 152,648 (3,388 ) Collateralized mortgage obligations 26,477 (550 ) — — 26,477 (550 ) Asset-backed securities 76,023 (359 ) — — 76,023 (359 ) Corporate bonds 24,995 (256 ) 2,528 (59 ) 27,523 (315 ) Obligations of state and political subdivisions 132,120 (7,417 ) — — 132,120 (7,417 ) Total available-for-sale $ 421,783 $ (12,816 ) $ 2,528 $ (59 ) $ 424,311 $ (12,875 ) Duration of Unrealized Loss Position Less than 12 Months 12 Months or Longer Total Fair Value Gross Unrealized Loss Fair Value Gross Unrealized Loss Fair Value Unrealized Losses (In Thousands) At December 31, 2020 Available-for-sale securities: Mortgage-backed securities-residential $ 26,361 $ (247 ) $ — $ — $ 26,361 $ (247 ) Collateralized mortgage obligations 5,161 (160 ) — — 5,161 (160 ) Asset-backed securities 18,439 (98 ) — — 18,439 (98 ) Corporate bonds 12,177 (146 ) — — 12,177 (146 ) Obligations of state and political subdivisions 41,088 (196 ) — — 41,088 (196 ) Total available-for-sale $ 103,226 $ (847 ) $ — $ — $ 103,226 $ (847 )

Loans (Tables)

Loans (Tables)	3 Months Ended
	Mar. 31, 2021
Loans And Leases Receivable Net Reported Amount [Abstract]
Schedule of Loans Receivable	Loan segments have been identified by evaluating the portfolio based on collateral and credit risk characteristics. Loans receivable consist of the following: March 31, 2021 December 31, 2020 (In Thousands) Real Estate: Residential $ 1,168,559 $ 1,201,051 Commercial 2,402,067 2,383,001 Construction 749,190 667,649 4,319,816 4,251,701 Other Loans: Commercial 1,172,910 1,202,353 Home equity and improvement 257,764 272,701 Consumer finance 117,539 120,729 1,548,213 1,595,783 Loans before deferred loan origination fees and costs 5,868,029 5,847,484 Deduct: Undisbursed construction loan funds (405,983 ) (355,065 ) Net deferred loan origination fees and costs (2,363 ) (1,179 ) Allowance for credit losses (74,754 ) (82,079 ) Total loans $ 5,384,929 $ 5,409,161
Schedule of Balance in the Allowance for Loan Losses and the Recorded Investment in Loans by Portfolio Segment and Based on Impairment Method	The following table discloses allowance for credit loss (“ACL”) activity for the three months ended March 31, 2021 and 2020 by portfolio segment (in thousands): Three Months Ended March 31, 2021 1-4 Family Residential Real Estate Commercial Real Estate Construction Commercial Home Equity and Improvement Consumer Finance Total Beginning Allowance $ 17,534 $ 43,417 $ 2,741 $ 11,665 $ 4,739 $ 1,983 $ 82,079 Charge-Offs — — — (70 ) (3 ) (36 ) (109 ) Recoveries 8 36 — 198 29 27 298 Provisions (34 ) (8,181 ) 35 398 416 (148 ) (7,514 ) Ending Allowance $ 17,508 $ 35,272 $ 2,776 $ 12,191 $ 5,181 $ 1,826 $ 74,754 Three Months Ended March 31, 2020 1-4 Family Residential Real Estate Commercial Real Estate Construction Commercial Home Equity and Improvement Consumer Finance Total Beginning Allowance $ 2,867 $ 16,302 $ 996 $ 9,003 $ 1,700 $ 375 $ 31,243 Impact of ASC 326 Adoption 1,765 3,682 (223 ) (2,263 ) (521 ) (86 ) 2,354 Acquisition related allowance for credit loss (PCD) 1,077 4,053 — 2,272 248 48 7,698 Charge-Offs (184 ) (16 ) — (96 ) (30 ) (108 ) (434 ) Recoveries 101 340 — 669 42 60 1,212 Provisions (1) 17,698 18,154 111 2,316 2,515 2,992 43,786 Ending Allowance $ 23,324 $ 42,515 $ 884 $ 11,901 $ 3,954 $ 3,281 $ 85,859 (1) Provision for the three months ended March 31, 2020, includes $25.9 million as a result of the Merger with UCFC.
Summary of Amortized Cost Basis of Collateral-Dependent Loans by Class of Loans and Collateral Type	The following table presents the amortized cost basis of collateral-dependent loans by class of loans and collateral type as of March 31, 2021 and December 31, 2020 (in thousands): March 31, 2021 Real Estate Equipment and Machinery Inventory and Receivables Vehicles Total Real Estate: Residential $ 1,008 $ — $ — $ — $ 1,008 Commercial 30,419 — — — 30,419 Construction — — — — — Other Loans: Commercial 2,530 672 6,613 33 9,848 Home equity and improvement — — — — — Consumer finance — — — — — Total $ 33,957 $ 672 $ 6,613 $ 33 $ 41,275 December 31, 2020 Real Estate Equipment and Machinery Inventory and Receivables Vehicles Total Real Estate: Residential $ 1,024 $ — $ — $ — $ 1,024 Commercial 33,999 — — — 33,999 Construction — — — — — Other Loans: Commercial 1,426 5,317 4,943 125 11,811 Home equity and improvement — — — — — Consumer finance — — — — — Total $ 36,449 $ 5,317 $ 4,943 $ 125 $ 46,834
Schedule of current balance of the aggregate amounts of non-performing assets, comprised of non-performing loans and real estate owned	Non-performing loans include both smaller balance homogeneous loans that are collectively evaluated for impairment and individually analyzed loans. All loans greater than 90 days past due are placed on non-accrual status. The following table presents the current balance of the aggregate amounts of non-performing assets, comprised of non-performing loans and real estate owned as of the dates indicated: March 31, 2021 December 31, 2020 (In Thousands) Non-accrual loans with reserve $ 35,835 $ 35,234 Non-accrual loans without reserve $ 13,463 $ 16,448 Loans over 90 days past due and still accruing — — Total non-performing loans 49,298 51,682 Real estate and other assets held for sale 54 343 Total non-performing assets $ 49,352 $ 52,025 Troubled debt restructuring, still accruing $ 6,068 $ 7,173
Schedule of Aging of the Amortized Cost/ Recorded Investment in Past Due and Non- Accrual Loans	The following table presents the aging of the amortized cost in past due and non-accrual loans as of March 31, 2021, by class of loans (in thousands): Current 30 - 59 days 60 - 89 days 90 + days Total Past Due Total Non- Accrual Real Estate: Residential 1,145,380 757 4,624 8,182 13,563 9,197 Commercial 2,381,959 216 574 957 1,747 11,799 Construction 342,379 21 564 243 828 243 Other Loans: Commercial 1,145,483 235 63 389 687 1,686 Home equity and improvement 250,442 727 233 1,647 2,607 2,173 Consumer finance 114,402 878 461 1,577 2,916 1,676 PCD 41,778 728 344 14,440 15,512 22,524 Total Loans $ 5,421,823 $ 3,562 $ 6,863 $ 27,435 $ 37,860 $ 49,298 The following table presents the aging of the recorded investment in past due and non-accrual loans as of December 31, 2020, by class of loans (in thousands): Current 30 - 59 days 60 - 89 days 90 + days Total Past Due Total Non Accrual Real Estate: Residential $ 1,173,979 $ 433 $ 7,669 $ 9,000 $ 17,102 $ 10,178 Commercial 2,357,909 1,033 369 844 2,246 11,980 Construction 310,152 — 1,626 806 2,432 806 Other Loans: Commercial 1,172,636 9 4 394 407 1,365 Home equity and improvement 262,373 3,440 839 1,137 5,416 1,537 Consumer finance 117,088 1,687 491 1,521 3,699 1,624 PCD 50,218 402 1,882 13,299 15,583 24,192 Total Loans $ 5,444,355 $ 7,004 $ 12,880 $ 27,001 $ 46,885 $ 51,682
Summary of Breakout of Commercial Deferrals	A breakout of deferrals by loan category is as follows (in thousands): March 31, 2021 Balance deferred December 31, 2020 Balance deferred Residential real estate $ 3,399 $ 7,016 Commercial real estate 31,232 34,831 Construction 13 9,579 Commercial 1,125 1,628 Home equity and improvement - 114 Consumer finance 15 282 Total $ 35,784 $ 53,450 The following table is a breakout of commercial deferrals by expiration (in thousands): Commercial deferral expirations Balance April $ 25,320 May 7,050 June - July - August - September - Total $ 32,370
Summary of Breakout of Deferrals by Loan Category	A breakout of deferrals by loan category is as follows (in thousands): March 31, 2021 Balance deferred December 31, 2020 Balance deferred Residential real estate $ 3,399 $ 7,016 Commercial real estate 31,232 34,831 Construction 13 9,579 Commercial 1,125 1,628 Home equity and improvement - 114 Consumer finance 15 282 Total $ 35,784 $ 53,450
Schedule of Present Loans by Class Modified as TDRs that Occurred	The following tables present loans by class modified as TDRs that occurred during the three months ended March 31, 2021, and March 31, 2020: Loans Modified as a TDR for the Three Months Ended March 31, 2021 ($ in thousands) Troubled Debt Restructurings Number of Loans Recorded Investment (as of period end) Real Estate: Residential 2 $ 150 Commercial Construction — — Other Loans: Commercial 3 709 Home equity and improvement Consumer finance — — Total 5 $ 859 The loans described above increased the ACL by $6,000 in the three months ended March 31, 2021. Loans Modified as a TDR for the Three Months Ended March 31, 2020 ($ in thousands) Troubled Debt Restructurings Number of Loans Recorded Investment (as of period end) Real Estate: Residential 2 $ 378 Commercial 1 93 Construction — — Other Loans: Commercial 5 156 Home equity and improvement 1 26 Consumer finance — — Total 9 $ 653
Schedule of Present Loans by Class Modified as TDRs for Which there was a Payment Default within Twelve Months	There were no TDRs that subsequently defaulted as of March 31, 2021. The following table presents loans by class modified as TDRs for which there was a payment default within twelve months following the modification during the three months ended March 31, 2020: Three Months Ended March 31, 2020 ($ in thousands) Troubled Debt Restructurings That Subsequently Defaulted Number of Loans Recorded Investment (as of period end) Real Estate: Residential 3 $ 268 Commercial 1 172 Construction — — Other Loans: Commercial 1 132 Home equity and improvement 1 146 Consumer finance — — Total 6 $ 718
Schedule of Risk Category of Loans by Class of Loans	As of March 31, 2021, and based on the most recent analysis performed, the risk category of loans by class of loans is as follows (in thousands): Class Unclassified Special Mention Substandard Doubtful Total classified Total Real Estate: Residential 1,150,158 1,173 7,612 — 7,612 1,158,943 Commercial 2,219,717 115,758 48,231 — 48,231 2,383,706 Construction 321,838 21,126 243 — 243 343,207 Other Loans: Commercial 1,097,603 25,400 23,167 — 23,167 1,146,170 Home equity and improvement 250,944 — 2,105 — 2,105 253,049 Consumer finance 115,639 — 1,679 — 1,679 117,318 PCD 23,956 1,748 31,586 — 31,586 57,290 Total Loans $ 5,179,855 $ 165,205 $ 114,623 $ — $ 114,623 $ 5,459,683 As of December 31, 2020, and based on the most recent analysis performed, the risk category of loans by class of loans is as follows (in thousands): Class Unclassified Special Mention Substandard Doubtful Total classified Total Real Estate: Residential 1,187,923 795 2,363 — 2,363 1,191,081 Commercial 2,203,652 111,039 45,464 — 45,464 2,360,155 Construction 299,866 12,718 — — — 312,584 Other Loans: Commercial 1,142,289 23,907 6,847 — 6,847 1,173,043 Home equity and improvement 267,350 — 439 — 439 267,789 Consumer finance 120,682 — 105 — 105 120,787 PCD 26,829 3,813 35,159 — 35,159 65,801 Total Loans $ 5,248,591 $ 152,272 $ 90,377 $ — $ 90,377 $ 5,491,240
Summary of Amortized Cost Basis of Loans by Credit Quality Indicator and Class of Loans	The tables below presents the amortized cost basis of loans by credit quality indicator and class of loans as of March 31, 2021 and December 31, 2020 (in thousands): Term of loans by origination 2021 2020 2019 2018 2017 Prior Revolving Loans Total As of March 31, 2021 Real Estate Residential: Risk Rating Pass $ 24,792 $ 315,724 $ 163,589 $ 114,232 $ 110,887 $ 419,110 $ 1,824 $ 1,150,158 Special Mention — 197 — — 61 222 693 1,173 Substandard — — 812 957 816 5,027 — 7,612 Doubtful — — — — — — — — Total $ 24,792 $ 315,921 $ 164,401 $ 115,189 $ 111,764 $ 424,359 $ 2,517 $ 1,158,943 Commercial: Risk Rating Pass $ 94,527 $ 524,710 $ 451,219 $ 284,383 $ 279,152 $ 570,348 $ 15,378 $ 2,219,717 Special Mention — 5,992 6,768 13,063 59,870 29,170 895 115,758 Substandard — 439 6,967 16,886 1,106 20,703 2,130 48,231 Doubtful — — — — — — — — Total $ 94,527 $ 531,141 $ 464,954 $ 314,332 $ 340,128 $ 620,221 $ 18,403 $ 2,383,706 Construction: Risk Rating Pass $ 25,201 $ 121,539 $ 89,755 $ 71,267 $ 10,548 $ 3,528 $ - $ 321,838 Special Mention — 6,767 — 13,302 1,057 — — 21,126 Substandard — — 243 — — — — 243 Doubtful — — — — — — — — Total $ 25,201 $ 128,306 $ 89,998 $ 84,569 $ 11,605 $ 3,528 $ - $ 343,207 Other Loans Commercial: Risk Rating Pass $ 191,460 $ 431,081 $ 118,396 $ 73,640 $ 35,277 $ 34,149 $ 213,600 $ 1,097,603 Special Mention — 999 5,546 2,363 1,849 5,095 9,548 25,400 Substandard 100 16,676 1,290 429 812 467 3,393 23,167 Doubtful — — — — — — — — Total $ 191,560 $ 448,756 $ 125,232 $ 76,432 $ 37,938 $ 39,711 $ 226,541 $ 1,146,170 Home equity and Improvement: Risk Rating Pass $ 4,768 $ 8,419 $ 6,740 $ 4,014 $ 7,113 $ 35,013 $ 184,877 $ 250,944 Special Mention — — — — — — — — Substandard — — 28 52 19 552 1,454 2,105 Doubtful — — — — — — — — Total $ 4,768 $ 8,419 $ 6,768 $ 4,066 $ 7,132 $ 35,565 $ 186,331 $ 253,049 Consumer Finance: Risk Rating Pass $ 8,784 $ 33,962 $ 33,007 $ 16,542 $ 8,571 $ 5,926 $ 8,847 $ 115,639 Special Mention — — — — — — — — Substandard — 639 696 111 42 164 27 1,679 Doubtful — — — — — — — — Total $ 8,784 $ 34,601 $ 33,703 $ 16,653 $ 8,613 $ 6,090 $ 8,874 $ 117,318 PCD: Risk Rating Pass $ - $ - $ 219 $ 2,236 $ 1,907 $ 16,895 $ 2,699 $ 23,956 Special Mention — — — — — 1,748 — 1,748 Substandard — — 35 90 14,766 10,551 6,144 31,586 Doubtful — — — — — — — — Total $ - $ - $ 254 $ 2,326 $ 16,673 $ 29,194 $ 8,843 $ 57,290 Term of loans by origination 2020 2019 2018 2017 2016 Prior Revolving Loans Total As of December 31, 2020 Real Estate Residential: Risk Rating Pass $ 250,979 $ 196,158 $ 136,247 $ 130,759 $ 137,581 $ 333,572 $ 2,627 $ 1,187,923 Special Mention 199 — — 62 116 211 207 795 Substandard — 74 289 252 136 1,612 2,363 Doubtful — — — — — — — — Total $ 251,178 $ 196,232 $ 136,536 $ 131,073 $ 137,833 $ 335,395 $ 2,834 $ 1,191,081 Commercial: Risk Rating Pass $ 517,691 $ 457,905 $ 299,072 $ 300,573 $ 198,247 $ 414,082 $ 16,082 $ 2,203,652 Special Mention 6,014 7,239 10,452 60,712 7,977 17,723 922 111,039 Substandard — 279 18,851 1,937 3,143 19,107 2,147 45,464 Doubtful — — — — — — — — Total $ 523,705 $ 465,423 $ 328,375 $ 363,222 $ 209,367 $ 450,912 $ 19,151 $ 2,360,155 Construction: Risk Rating Pass $ 101,616 $ 100,553 $ 82,972 $ 11,666 $ 2,911 $ 148 $ - $ 299,866 Special Mention 5,587 — 7,131 — — — — 12,718 Substandard — — — — — — — — Doubtful — — — — — — — — Total $ 107,203 $ 100,553 $ 90,103 $ 11,666 $ 2,911 $ 148 $ - $ 312,584 Other Loans Commercial: Risk Rating Pass $ 568,678 $ 144,977 $ 82,492 $ 42,421 $ 21,262 $ 21,969 $ 260,490 $ 1,142,289 Special Mention 1,180 2,026 2,514 2,109 37 5,121 10,920 23,907 Substandard 148 201 497 543 257 269 4,932 6,847 Doubtful — — — — — — — — Total $ 570,006 $ 147,204 $ 85,503 $ 45,073 $ 21,556 $ 27,359 $ 276,342 $ 1,173,043 Home equity and Improvement: Risk Rating Pass $ 8,736 $ 7,483 $ 4,508 $ 7,963 $ 7,748 $ 31,382 $ 199,530 $ 267,350 Special Mention — — — — — — — — Substandard — — — — — 86 353 439 Doubtful — — — — — — — — Total $ 8,736 $ 7,483 $ 4,508 $ 7,963 $ 7,748 $ 31,468 $ 199,883 $ 267,789 Consumer Finance: Risk Rating Pass $ 38,665 $ 37,601 $ 19,401 $ 10,607 $ 4,393 $ 3,272 $ 6,743 $ 120,682 Special Mention — — — — — — — — Substandard — 98 3 — 4 — — 105 Doubtful — — — — — — — — Total $ 38,665 $ 37,699 $ 19,404 $ 10,607 $ 4,397 $ 3,272 $ 6,743 $ 120,787 PCD: Risk Rating Pass $ - $ 45 $ 2,378 $ 2,547 $ 1,524 $ 18,998 $ 1,337 $ 26,829 Special Mention — — — 1,160 509 1,758 386 3,813 Substandard — — — 14,371 2,502 7,207 11,079 35,159 Doubtful — — — — — — — — Total $ - $ 45 $ 2,378 $ 18,078 $ 4,535 $ 27,963 $ 12,802 $ 65,801
Summary of Credit Loss Estimation	Portfolio Segments Loan Pool Methodology Loss Drivers Residential real estate 1-4 Family nonowner occupied DCF National unemployment 1-4 Family owner occupied DCF National unemployment Commercial real estate Commercial real estate nonowner occupied DCF National unemployment Commercial real estate owner occupied DCF National unemployment Multi Family DCF National unemployment Agriculture Land DCF National unemployment Other commercial real estate DCF National unemployment Construction secured by real estate Construction PD/LGD Call report loss history Commercial Commercial working capital PD/LGD Call report loss history Agriculture production PD/LGD Call report loss history Other commercial PD/LGD Call report loss history Home equity and improvement Home equity and improvement PD/LGD Call report loss history Consumer finance Consumer finance Remaining life Call report loss history
Schedule of Par Value of Purchased Loans	Par value of purchased loans follows (in thousands): 2020 Par value of acquired loans at acquisition $ 2,247,317 Credit discount (34,610 ) Non-credit (discount)/premium at acquisition 8,497 Purchase price of loans at acquisition $ 2,221,204
Schedule of Outstanding Balance and Related Allowance on Loans	The outstanding balance and related allowance on these loans as of March 31, 2021 and December 31, 2020 is as follows (in thousands): As of March 31, 2021 As of December 31, 2020 Loan Balance ACL Balance Loan Balance ACL Balance (In Thousands) (In Thousands) Real Estate: Residential $ 14,418 $ 278 $ 14,895 $ 201 Commercial 21,380 2,098 24,334 2,286 Construction — — — — 35,798 2,376 39,229 2,487 Other Loans: Commercial 15,962 2,149 20,990 1,896 Home equity and improvement 4,715 235 4,912 214 Consumer finance 815 15 670 20 21,492 2,399 26,572 2,130 Total $ 57,290 $ 4,775 $ 65,801 $ 4,617

Mortgage Banking (Tables)

Mortgage Banking (Tables)	3 Months Ended
	Mar. 31, 2021
Mortgage Banking [Abstract]
Schedule of net revenues from the sales and servicing of mortgage loans	Net revenues from servicing Three Months Ended March 31, 2021 2020 (In Thousands) Gain from sale of mortgage loans $ 5,640 $ 4,902 Mortgage loans servicing revenue (expense): Mortgage loans servicing revenue 1,917 1,594 Amortization of mortgage servicing rights (2,344 ) (1,163 ) Mortgage servicing rights valuation adjustments 5,320 (4,485 ) 4,893 (4,054 ) Net revenue from sale and servicing of mortgage loans $ 10,533 $ 848
Schedule of capitalized mortgage and valuation allowance	Activity for capitalized mortgage servicing rights and the related valuation allowance follows for the three months ended March 31, 2021 and 2020: Three Months Ended March 31, 2021 2020 (In Thousands) Mortgage servicing assets: Balance at beginning of period $ 21,666 $ 10,801 Loans sold, servicing retained 2,374 1,376 Mortgage servicing rights acquired — 9,747 Amortization (2,344 ) (1,163 ) Carrying value before valuation allowance at end of period 21,696 20,761 Valuation allowance: Balance at beginning of period (8,513 ) (534 ) Impairment recovery (charges) 5,320 (4,485 ) Balance at end of period (3,193 ) (5,019 ) Net carrying value of MSRs at end of period $ 18,503 $ 15,742 Fair value of MSRs at end of period $ 18,695 $ 16,105

Leases (Tables)

Leases (Tables)	3 Months Ended
	Mar. 31, 2021
Leases [Abstract]
Schedule of Undiscounted Cash Flows Included in Lease Liabilities	Undiscounted cash flows included in lease liabilities have expected contractual payments as follows: (in thousands) March 31, 2021 2021 $ 1,764 2022 2,020 2023 1,638 2024 1,412 2025 1,259 Thereafter 13,761 Total undiscounted minimum lease payments $ 21,854 Present value adjustment (4,132 ) Total lease liabilities $ 17,722

Deposits (Tables)

Deposits (Tables)	3 Months Ended
	Mar. 31, 2021
Deposits [Abstract]
Summary of deposit balances	A summary of deposit March 31, 2021 December 31, 2020 (In Thousands) Non-interest-bearing checking accounts $ 1,728,895 $ 1,597,262 Interest-bearing checking and money market accounts 2,806,271 2,627,669 Savings deposits 761,899 700,480 Retail certificates of deposit less than $250,000 842,624 912,006 Retail certificates of deposit greater than $250,000 212,230 210,424 $ 6,351,919 $ 6,047,841

Borrowings (Tables)

Borrowings (Tables)	3 Months Ended
	Mar. 31, 2021
Subordinated Borrowings [Abstract]
Schedule of Federal Home Loan Bank Advances, Junior Subordinated Debentures and Subordinated Debentures	Premier’s junior subordinated debentures owed to unconsolidated subsidiary trusts and subordinated debentures are comprised of the following: March 31, 2021 December 31, 2020 (In Thousands) Junior subordinated debentures owed to unconsolidated subsidiary trusts $ 36,083 $ 36,083 Subordinated debentures 48,798 48,777

Commitments, Guarantees and C_2

Commitments, Guarantees and Contingent Liabilities (Tables)	3 Months Ended
	Mar. 31, 2021
Commitments And Contingencies Disclosure [Abstract]
Schedule of line of credit facilities	The Company’s maximum obligation to extend credit for loan commitments (unfunded loans and unused lines of credit) and standby letters of credit outstanding as of the periods stated below were as follows (in thousands): March 31, 2021 December 31, 2020 Commitments to make loans $ 773,625 $ 702,103 Unused lines of credit 927,333 918,470 Standby letters of credit 23,268 22,250 Total $ 1,724,226 $ 1,642,823

Income Taxes (Tables)

Income Taxes (Tables)	3 Months Ended
	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Schedule of components of income tax expense (benefit)	The components of income tax expense (benefit) are as follows: For the Three Months Ended March 31, 2021 2020 (In Thousands) Current: Federal $ 6,362 $ (5,140 ) State and local 163 75 Deferred 3,427 (545 ) $ 9,952 $ (5,610 )
Schedule of effective income tax rate reconciliation	The effective tax rates differ from federal statutory rate applied to income due to the following: For the Three Months Ended March 31, 2021 2020 (In Thousands) Tax expense (benefit) at statutory rate (21%) $ 10,699 $ (5,899 ) Increases (decreases) in taxes from: State income tax - net of federal tax benefit 128 59 Tax exempt interest income, net of TEFRA (200 ) (198 ) Bank owned life insurance (245 ) (164 ) Captive insurance (90 ) (92 ) Other (340 ) 684 Totals $ 9,952 $ (5,610 )

Derivative Financial Instrume_2

Derivative Financial Instruments (Tables)	3 Months Ended
	Mar. 31, 2021
Derivative Instruments And Hedging Activities Disclosure [Abstract]
Schedule of carrying values of the derivative instrument assets	The table below provides data about the carrying values of these derivative instrument assets: March 31, 2021 December 31, 2020 Assets Assets Carrying Carrying Value Value (In Thousands) Derivatives not designated as hedging instruments Mortgage Banking Derivatives $ 7,957 $ 3,833
Schedule of amount of gains and losses recognized in income on derivative instruments not designated as hedging instruments	The table below provides data about the amount of gains and losses recognized in income on derivative instruments not designated as hedging instruments. The difference in derivative carrying value at March 31, 2021 and 2020 represents a fair value adjustment that runs through mortgage banking income. Three Months Ended March 31, 2021 2020 (In Thousands) Derivatives not designated as hedging instruments Mortgage Banking Derivatives – Gain (Loss) $ 4,124 $ 471

Other Comprehensive (Loss) In_2

Other Comprehensive (Loss) Income (Tables)	3 Months Ended
	Mar. 31, 2021
Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract]
Schedule of reclassification adjustments related to securities available for sale are included in gains on sale of securities	Reclassification adjustments related to securities available for sale are included in gains on sale of securities in the accompanying consolidated condensed statements of income. Before Tax Amount Tax (Expense) Benefit Net of Tax Amount (In Thousands) Three months ended March 31, 2021: Securities available for sale: Change in net unrealized gain/loss during the period $ (19,112 ) $ 4,014 $ (15,098 ) Reclassification adjustment for net gains included in net income (516 ) 108 (408 ) Total other comprehensive loss $ (19,628 ) $ 4,122 $ (15,506 ) Before Tax Amount Tax (Expense) Benefit Net of Tax Amount (In Thousands) Three months ended March 31, 2020: Securities available for sale: Change in net unrealized gain/loss during the period $ 9,458 $ (1,985 ) $ 7,473 Reclassification adjustment for net gains included in net income — — — Total other comprehensive loss $ 9,458 $ (1,985 ) $ 7,473
Schedule of accumulated other comprehensive income (loss), net of tax	Activity in accumulated other comprehensive income (loss), net of tax, was as follows: Securities Available For Sale Post- retirement Benefit Accumulated Other Comprehensive Income (Loss) (In Thousands) Balance January 1, 2021 $ 15,083 $ (79 ) $ 15,004 Other comprehensive income/(loss) before reclassifications (15,098 ) — (15,098 ) Amounts reclassified from accumulated other comprehensive income (408 ) — (408 ) Net other comprehensive income/(loss) during period (15,506 ) — (15,506 ) Balance March 31, 2021 $ (423 ) $ (79 ) $ (502 ) Balance January 1, 2020 $ 4,839 $ (244 ) $ 4,595 Other comprehensive income (loss) before reclassifications 7,473 — 7,473 Amounts reclassified from accumulated other comprehensive income — — 0 Net other comprehensive income during period 7,473 — 7,473 Balance March 31, 2020 $ 12,312 $ (244 ) $ 12,068

Business Combinations (Tables)

Business Combinations (Tables)	3 Months Ended
	Mar. 31, 2021
Business Combinations [Abstract]
Summary of Fair Value of Consideration Transferred and Fair Value of Identifiable Assets and Liabilities Assumed	The following table summarizes the fair value of the total consideration transferred as part of the Merger as well as the fair value of identifiable assets and liabilities assumed as of the effective date of the transaction. January 31, 2020 (In Thousands) Cash Consideration $ 132 Fair Value of Options Exchanged $ 461 Equity - Dollar Value of Issued Shares 526,850 Fair Value of Total Consideration Transferred 527,443 Recognized Amounts of Identifiable Assets Acquired and Liabilities Assumed: Cash and Cash Equivalents 52,580 Securities available for sale 262,753 Net loans, including loans held for sale and allowance 2,340,701 FHLB Stock 12,753 Office Properties and Equipment 20,253 Intangible Assets 33,014 Bank Owned Life Insurance 65,934 Mortgage Servicing Rights 9,747 Accrued Interest Receivable and Other Assets 35,943 Deposits - Non-Interest Bearing (430,921 ) Deposits - Interest Bearing (1,651,669 ) Advances from FHLB (381,000 ) Accrued Interest Payable and Other Liabilities (60,524 ) Total Identifiable Net Assets 309,564 Goodwill $ 217,879

Basis of Presentation - Additio

Basis of Presentation - Additional Information (Details)	3 Months Ended
	Mar. 31, 2021Subsidiary
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Number of additional subsidiaries acquired	2

Significant Accounting Polici_3

Significant Accounting Policies - Additional information (Details) - ASC 326 [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Property Plant And Equipment [Line Items]
Accounting standards update, adoption date	Jan. 1, 2020
Increase in allowance for credit losses	$ 2,400
Off-balance sheet credit exposures	900
Cumulative effect adjustment through retained earnings, net of tax	2,600	$ (2,566)
Cumulative effect adjustment through retained earnings, tax	$ 700

Fair Value - Additional informa

Fair Value - Additional information (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Fair Value Option Quantitative Disclosures [Line Items]
Fair value determination of loans held for sale description	The fair value of conventional loans held for sale is determined using the current 15 day forward contract price for either 15 or 30 year conventional mortgages (Level 2). The fair value of permanent construction loans held for sale is determined using the current 60 day forward contract price for 15 or 30 years conventional mortgages which is then adjusted for unobservable market data such as estimated fall out rates and estimated time from origination to completion of construction (Level 3).
Loans held for sale, fair value disclosure	$ 215,945,000	$ 221,616,000
Residential Mortgage Loans [Member]
Fair Value Option Quantitative Disclosures [Line Items]
Loans held for sale, fair value disclosure	81,300,000	98,600,000
Loans held for sale, contractual balance	80,200,000	93,200,000
Gain on sale of loans held for sale for the change in fair value	(4,300,000)	31,000
Permanent Construction Loans [Member]
Fair Value Option Quantitative Disclosures [Line Items]
Loans held for sale, fair value disclosure	134,600,000	123,000,000
Loans held for sale, contractual balance	126,700,000	109,500,000
Gain on sale of loans held for sale for the change in fair value	$ (5,600,000)	$ 5,000,000
Minimum [Member] | Real Estate held for sale [Member]
Fair Value Option Quantitative Disclosures [Line Items]
Fair value input discount rate	0.00%
Maximum [Member] | Real Estate held for sale [Member]
Fair Value Option Quantitative Disclosures [Line Items]
Fair value input discount rate	30.00%

Fair Value - Assets and Liabili

Fair Value - Assets and Liabilities Measured on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Available for sale securities:
Securities available-for-sale, carried at fair value	$ 918,590	$ 736,654
Collateralized mortgage obligations [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	110,227	106,299
Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	918,590	736,654
Fair Value, Inputs, Level 2 [Member] | Collateralized mortgage obligations [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	110,227	106,299
Obligations of U.S. government corporations and agencies [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	38,793	40,940
Obligations of U.S. government corporations and agencies [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	38,793	40,940
Mortgage-Backed Securities [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	243,022	277,182
Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	243,022	277,182
Asset-backed Securities [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	191,913	30,546
Asset-backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	191,913	30,546
Corporate bonds [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	55,258	44,169
Corporate bonds [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	55,258	44,169
Obligations of state and political subdivisions [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	279,377	237,518
Obligations of state and political subdivisions [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	279,377	237,518
Equity Securities [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	13,753	1,090
Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	13,753	1,090
Loans Held for Sale, at Fair Value [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	215,945	221,616
Loans Held for Sale, at Fair Value [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	81,307	98,587
Loans Held for Sale, at Fair Value [Member] | Fair Value, Inputs, Level 3 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	134,638	123,029
Purchased Certificate of Deposit Option [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	59	56
Purchased Certificate of Deposit Option [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	59	56
Interest Rate Swap Assets [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	406	1,870
Interest Rate Swap Assets [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	406	1,870
Mortgage banking derivative - asset [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	7,957	3,833
Mortgage banking derivative - asset [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	7,957	3,833
Written Certificate of Deposit Option [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	59	56
Written Certificate of Deposit Option [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	59	56
Interest Rate Swap Liability [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	375	2,036
Interest Rate Swap Liability [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	$ 375	$ 2,036

Fair Value - Summary of Reconci

Fair Value - Summary of Reconciliation of all Assets Measured at Fair Value on Recurring Basis using Significant Unobservable Inputs (Level 3) (Details) - Fair Value, Inputs, Level 3 [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Construction Loans Held for Sale [Member]
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Balance of recurring Level 3 assets at beginning of period	$ 123,029
Total gains (losses) for the period, Included in change in fair value of loans held for sale	(5,568)	$ 4,962
Originations	34,003	9,581
Acquired in acquisition		37,711
Sales	(16,826)	(7,834)
Balance of recurring Level 3 assets at end of period	$ 134,638	44,420
Securities Available-For-Sale [Member]
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Balance of recurring Level 3 assets at beginning of period		3,411
Balance of assets classified as Level 3 assets during the period		2,419
Balance of recurring Level 3 assets at end of period		$ 5,830

Fair Value - Schedule of Level

Fair Value - Schedule of Level 3 Assets and Liabilities Measured At Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Loans held for sale, carried at fair value	$ 215,945	$ 221,616
Fair Value Measurements, Valuation Processes, Description	Appraisals which utilize sales comparison, net income and cost approach	Appraisals which utilize sales comparison, net income and cost approach
Unobservable Inputs, Fair Value	Discounts for collection issues and changes in market conditions	Discounts for collection issues and changes in market conditions
Fair Value, Range of Input, Minimum	10.00%	5.00%
Fair Value, Range of Input, Maximum	35.00%	37.00%
Range of Input 0.00% - 2.18% [Member]
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Loans held for sale, carried at fair value	$ 134,638
Fair Value Measurements, Valuation Processes, Description	Comparable sales
Unobservable Inputs, Fair Value	Time discount using the 60 day forward contract
Fair Value, Range of Input, Minimum	0.00%
Fair Value, Range of Input, Maximum	2.18%
Range of Input 0.00% - 0.24% [Member]
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Loans held for sale, carried at fair value		$ 123,029
Fair Value Measurements, Valuation Processes, Description		Comparable sales
Unobservable Inputs, Fair Value		Time discount using the 60 day forward contract
Fair Value, Range of Input, Minimum		0.00%
Fair Value, Range of Input, Maximum		0.24%

Fair Value - Assets and Liabi_2

Fair Value - Assets and Liabilities Measured on a Non-Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Individually analyzed loans
Total individually analyzed loans	$ 12,398	$ 11,752
Mortgage servicing rights	13,868	13,153
Commercial Real Estate [Member]
Individually analyzed loans
Total individually analyzed loans	7,617	4,601
Commercial [Member]
Individually analyzed loans
Total individually analyzed loans	4,781	7,151
Fair Value, Inputs, Level 2 [Member]
Individually analyzed loans
Mortgage servicing rights	13,868	13,153
Fair Value, Inputs, Level 3 [Member]
Individually analyzed loans
Total individually analyzed loans	12,398	11,752
Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate [Member]
Individually analyzed loans
Total individually analyzed loans	7,617	4,601
Fair Value, Inputs, Level 3 [Member] | Commercial [Member]
Individually analyzed loans
Total individually analyzed loans	$ 4,781	$ 7,151

Fair Value - Schedule of Leve_2

Fair Value - Schedule of Level 3 Assets and Liabilities Measured At Fair Value on a Non-Recurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Fair Value Disclosures [Abstract]
Individually analyzed Loans- Applies to all loan classes	$ 12,398	$ 11,752
Fair Value Measurements, Valuation Processes, Description	Appraisals which utilize sales comparison, net income and cost approach	Appraisals which utilize sales comparison, net income and cost approach
Unobservable Inputs, Fair Value	Discounts for collection issues and changes in market conditions	Discounts for collection issues and changes in market conditions
Fair Value, Range of Input, Minimum	10.00%	5.00%
Fair Value, Range of Input, Maximum	35.00%	37.00%
Fair Value Measurement Weighted Average Range	16.23%	24.17%
Total individually analyzed loans	$ 12,398	$ 11,752

Fair Value - Balance Sheet Grou

Fair Value - Balance Sheet Grouping (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Financial Assets, Carrying Value:
Cash and cash equivalents, Carrying Value	$ 303,747	$ 159,266	$ 145,217	$ 131,254
Securities available for sale, Carrying Value	918,590	736,654
Equity securities, Carrying Value	13,753	1,090
Federal Home Loan Bank Stock, Carrying Value	9,328	16,026
Loans receivable, net, Carrying Value	5,384,929	5,409,161
Loans held for sale, Carrying Value	215,945	221,616
Financial Liabilities, Carrying Value:
Deposits, Carrying Value	6,351,919	6,047,841
Subordinated debentures, Carrying Value	84,881	84,860
Financial Assets, Fair Value:
Cash and cash equivalents, Fair Value	303,747	159,266
Securities available-for-sale, carried at fair value	918,590	736,654
Equity securities, Fair Value	13,753	1,090
Loans receivable, net, Fair Value	5,428,651	5,412,814
Loans held for sale, fair value disclosure	215,945	221,616
Financial Liabilities, Fair Value:
Deposits, Fair Value	6,358,858	6,056,426
Subordinated debentures, Fair Value	83,707	83,237
Fair Value, Inputs, Level 1 [Member]
Financial Assets, Fair Value:
Cash and cash equivalents, Fair Value	303,747	159,266
Equity securities, Fair Value	13,753	1,090
Financial Liabilities, Fair Value:
Deposits, Fair Value	5,297,065	4,925,411
Fair Value, Inputs, Level 2 [Member]
Financial Assets, Fair Value:
Securities available-for-sale, carried at fair value	918,590	736,654
Loans held for sale, fair value disclosure	81,307	98,587
Financial Liabilities, Fair Value:
Deposits, Fair Value	1,061,793	1,131,015
Subordinated debentures, Fair Value	83,707
Fair Value, Inputs, Level 3 [Member]
Financial Assets, Fair Value:
Loans receivable, net, Fair Value	5,428,651	5,412,814
Loans held for sale, fair value disclosure	$ 134,638	123,029
Financial Liabilities, Fair Value:
Subordinated debentures, Fair Value		$ 83,237

Stock Compensation Plans - Addi

Stock Compensation Plans - Additional information (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	35,661		36,261
Conversion of outstanding stock options	39,983
Stock Option Period, Description	All options expire ten years from the date of grant. Vested options of retirees expire on the earlier of the scheduled expiration date or three months after the retirement date.
Allocated Share-based Compensation Expense	$ 1	$ 1
Compensation Expense, Maximum	4.9
Estimated Compensation Expense, Excepted	3.3
Unrecognized Compensation Expense	$ 2.4
Executive Long-Term Equity Incentive Plan [Member]
Stock Option Period, Description	The amount of benefit under the 2020 and 2021 Executive LTIPs will be determined individually at the end of the 36 month performance period ending December 31. The benefits earned under these LTIPs will be paid out in equity in the first quarter following the end of the performance period. The participants are required to be employed on the day of payout in order to receive the payment.
Share-based Compensation, Performance Period	3 years
Executive Long-Term Equity Incentive Plan [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate	20.00%
Executive Long-Term Equity Incentive Plan [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate	50.00%
Equity Plan 2018 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	900,000
UCFC 2015 Plan [Member]
Common shares available for issuance immediately after effective time of Merger	126,758
Short Term Equity Incentive Plan 2015 [Member]
Stock Option Period, Description	The final amount of benefits under the STIPs is determined as of December 31 of the same year and paid out in cash in the first quarter of the following year.
Performance Stock Units (PSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	86,058
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	176,949		90,891
Performance Stock Units (PSUs) [Member] | Executive Long-Term Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	86,058
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	20,664
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	3,122
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	46,324		55,759
Restricted Stock Units (RSUs) [Member] | Key Long-Term Equity Incentive Plan 2015 [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate	5.00%
Restricted Stock Units (RSUs) [Member] | Key Long-Term Equity Incentive Plan 2015 [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate	10.00%
Restricted Stock Units (RSUs) [Member] | 2021 Key LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	17,542
Restricted Stock Grants [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	13,708
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	13,708
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	34,416		41,057
Restricted Stock Grants [Member] | Share-based Compensation Award, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	13,708
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	1 year
Short Term Equity Incentive Plan 2011 [Member]
Allocated Share-based Compensation Expense	$ 2.3		$ 3.2

Stock Compensation Plans - Stoc

Stock Compensation Plans - Stock option activity (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021USD ($)$ / sharesshares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Options outstanding, January 1, 2021 | shares	36,261
Option Outstanding, Exercised | shares	(600)
Options outstanding, March 31, 2021 | shares	35,661
Exercisable at March 31, 2021 | shares	35,661
Weighted Average Exercise Price, Options outstanding, January 1, 2021 | $ / shares	$ 21.59
Weighted Average Exercise Price, Exercised | $ / shares	13.80
Weighted Average Exercise Price, Options outstanding, March 31, 2021 | $ / shares	21.72
Weighted Average Exercise Price, Exercisable at March 31, 2021 | $ / shares	$ 21.72
Weighted Average Remaining Contractual Term (In years), outstanding, March 31, 2021	5 years 6 months 25 days
Weighted Average Remaining Contractual Terms (In years), Exercisable at March 31, 2021	5 years 6 months 25 days
Aggregate Intrinsic Value, outstanding, March 31, 2021 | $	$ 411
Aggregate Intrinsic Value, Exercisable at March 31, 2021 | $	$ 411

Stock Compensation Plans - Tax

Stock Compensation Plans - Tax benefits realized (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021USD ($)
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Proceeds of options exercised	$ 8
Intrinsic value of options exercised	$ 11

Stock Compensation Plans - Rest

Stock Compensation Plans - Restricted stock grants (Details)	3 Months Ended
	Mar. 31, 2021$ / sharesshares
Performance Stock Units [Member]
Shares, Unvested at January 1, 2021 | shares	90,891
Shares, Granted | shares	86,058
Shares, Unvested at March 31, 2021 | shares	176,949
Weighted -Average Grant Date Fair Value, Unvested at January 1, 2021 | $ / shares	$ 26.48
Weighted-Average Grant Date Fair Value, Granted | $ / shares	30.32
Weighted-Average Grant Date Fair Value, Unvested at March 31, 2021 | $ / shares	$ 28.35
Restricted Stock Units (RSUs) [Member]
Shares, Unvested at January 1, 2021 | shares	55,759
Shares, Granted | shares	20,664
Shares, Vested | shares	(30,099)
Shares, Unvested at March 31, 2021 | shares	46,324
Weighted -Average Grant Date Fair Value, Unvested at January 1, 2021 | $ / shares	$ 25.18
Weighted-Average Grant Date Fair Value, Granted | $ / shares	29.11
Weighted-Average Grant Date Fair Value, Vested | $ / shares	26.15
Weighted-Average Grant Date Fair Value, Unvested at March 31, 2021 | $ / shares	$ 26.29
Restricted Stock Grants [Member]
Shares, Unvested at January 1, 2021 | shares	41,057
Shares, Granted | shares	13,708
Shares, Vested | shares	(20,349)
Shares, Unvested at March 31, 2021 | shares	34,416
Weighted -Average Grant Date Fair Value, Unvested at January 1, 2021 | $ / shares	$ 26.93
Weighted-Average Grant Date Fair Value, Granted | $ / shares	29.37
Weighted-Average Grant Date Fair Value, Vested | $ / shares	26.75
Weighted-Average Grant Date Fair Value, Unvested at March 31, 2021 | $ / shares	$ 28.01

Dividends on Common Stock (Deta

Dividends on Common Stock (Details) - $ / shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Dividends Common Stock [Abstract]
Common Stock, Dividends, Per Share, Cash Paid	$ 0.24	$ 0.22
Common Stock, Dividends, Per Share, Declared	$ 0.24	$ 0.22

Earnings (Loss) Per Common Sh_3

Earnings (Loss) Per Common Share - Computation of basic and diluted earnings (Loss) per common share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Basic Earnings (Loss) Per Share:
Net income (loss) available to common shareholders	$ 40,996	$ (22,482)
Less: income (loss) allocated to participating securities	43	(39)
Net income (loss) allocated to common shareholders	$ 40,953	$ (22,443)
Weighted average common shares outstanding including participating securities	37,332	31,721
Less: Participating securities	39	55
Average common shares	37,293	31,666
Basic earnings (loss) per common share	$ 1.10	$ (0.71)
Diluted Earnings (Loss) Per Share:
Net income (loss) allocated to common shareholders	$ 40,953	$ (22,443)
Weighted average common shares outstanding for basic earnings (loss) per common share	37,293	31,666
Add: Dilutive effects of stock options and restricted stock units	64
Average shares and dilutive potential common shares	37,357	31,666
Diluted earnings (loss) per common share	$ 1.10	$ (0.71)

Earnings (Loss) Per Common Sh_4

Earnings (Loss) Per Common Share - Additional Information (Details) - shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Earnings Per Share Basic [Abstract]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0	0

Investment Securities - Summary

Investment Securities - Summary of available-for-sale securities - (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Marketable Securities [Line Items]
Available-for-Sale Securities, Amortized Cost	$ 919,126	$ 717,562
Available-for-Sale Securities, Gross Unrealized Gains	12,339	19,939
Available-for-Sale Securities, Gross Unrealized Losses	(12,875)	(847)
Available-for-Sale Securities, Fair Value	918,590	736,654
Obligations of U.S. government corporations and agencies [Member]
Marketable Securities [Line Items]
Available-for-Sale Securities, Amortized Cost	38,868	39,233
Available-for-Sale Securities, Gross Unrealized Gains	771	1,707
Available-for-Sale Securities, Gross Unrealized Losses	(846)
Available-for-Sale Securities, Fair Value	38,793	40,940
Mortgage-Backed Securities [Member]
Marketable Securities [Line Items]
Available-for-Sale Securities, Amortized Cost	243,126	270,683
Available-for-Sale Securities, Gross Unrealized Gains	3,284	6,746
Available-for-Sale Securities, Gross Unrealized Losses	(3,388)	(247)
Available-for-Sale Securities, Fair Value	243,022	277,182
Collateralized mortgage obligations [Member]
Marketable Securities [Line Items]
Available-for-Sale Securities, Amortized Cost	109,552	103,532
Available-for-Sale Securities, Gross Unrealized Gains	1,225	2,927
Available-for-Sale Securities, Gross Unrealized Losses	(550)	(160)
Available-for-Sale Securities, Fair Value	110,227	106,299
Asset-backed securities [Member]
Marketable Securities [Line Items]
Available-for-Sale Securities, Amortized Cost	191,788	30,643
Available-for-Sale Securities, Gross Unrealized Gains	484	1
Available-for-Sale Securities, Gross Unrealized Losses	(359)	(98)
Available-for-Sale Securities, Fair Value	191,913	30,546
Corporate bonds [Member]
Marketable Securities [Line Items]
Available-for-Sale Securities, Amortized Cost	55,049	43,826
Available-for-Sale Securities, Gross Unrealized Gains	524	489
Available-for-Sale Securities, Gross Unrealized Losses	(315)	(146)
Available-for-Sale Securities, Fair Value	55,258	44,169
Obligations of state and political subdivisions [Member]
Marketable Securities [Line Items]
Available-for-Sale Securities, Amortized Cost	280,743	229,645
Available-for-Sale Securities, Gross Unrealized Gains	6,051	8,069
Available-for-Sale Securities, Gross Unrealized Losses	(7,417)	(196)
Available-for-Sale Securities, Fair Value	$ 279,377	$ 237,518

Investment Securities - Additio

Investment Securities - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Jan. 31, 2020
Marketable Securities [Line Items]
Securities acquired in merger, fair value				$ 262,800,000
Security Owned and Pledged as Collateral Carrying Value	$ 388,900,000
Realized available-for-sale securities gains (losses)	516,000	$ 0
Preferred and common stock held as investment securities	13,753,000		$ 1,090,000
Unrealized gain on equity securities	1,610,000	$ 0
Preferred and Common Stock [Member]
Marketable Securities [Line Items]
Preferred and common stock held as investment securities	$ 13,800,000		$ 1,100,000

Investment Securities - Schedul

Investment Securities - Schedule of Investments Classified by Contractual Maturity Date (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Marketable Securities [Abstract]
Available-for-sale, Due in one year or less, Amortized Cost	$ 5,853
Available-for-sale, Due after one year through five years, Amortized Cost	29,787
Available-for-sale, Due after five years through ten years, Amortized Cost	93,585
Available-for-sale, Due after ten years, Amortized Cost	245,435
Available-for-sale, MBS/CMO/ABS, Amortized Cost	544,466
Available-for-Sale Securities, Amortized Cost	919,126	$ 717,562
Available-for-sale, Due in one year or less, Fair Value	5,869
Available-for-sale, Due after one year through five years, Fair Value	30,284
Available-for-sale, Due after five years through ten years, Fair Value	95,386
Available-for-sale, Due after ten years, Fair Value	241,889
Available-for-sale,MBS/CMO/ABS, Fair Value	545,162
Available-for-sale, Fair Value	$ 918,590	$ 736,654

Investment Securities - Unreali

Investment Securities - Unrealized Gain (Loss) on Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Available-for-sale securities, Duration of Unrealized Loss Position, Less than 12 Month, Fair Value	$ 421,783	$ 103,226
Available-for-sale Securities, Duration of Unrealized Loss Position, Less than 12 Month, Gross Unrealized Loss	(12,816)	(847)
Available-for-sale securities, Duration of Unrealized Loss Position, 12 Month or Longer, Fair Value	2,528
Available-for-sale Securities, Duration of Unrealized Loss Position, 12 Month or Longer, Gross Unrealized Loss	(59)
Available-for-sale securities, Total, Fair Value	424,311	103,226
Available-for-sale securities, Total, Unrealized Loss	(12,875)	(847)
Obligations of U.S. government corporations and agencies [Member]
Available-for-sale securities, Duration of Unrealized Loss Position, Less than 12 Month, Fair Value	9,520
Available-for-sale Securities, Duration of Unrealized Loss Position, Less than 12 Month, Gross Unrealized Loss	(846)
Available-for-sale securities, Total, Fair Value	9,520
Available-for-sale securities, Total, Unrealized Loss	(846)
Mortgage-Backed Securities [Member]
Available-for-sale securities, Duration of Unrealized Loss Position, Less than 12 Month, Fair Value	152,648
Available-for-sale Securities, Duration of Unrealized Loss Position, Less than 12 Month, Gross Unrealized Loss	(3,388)
Available-for-sale securities, Total, Fair Value	152,648
Available-for-sale securities, Total, Unrealized Loss	(3,388)
Mortgage-backed - residential [Member]
Available-for-sale securities, Duration of Unrealized Loss Position, Less than 12 Month, Fair Value		26,361
Available-for-sale Securities, Duration of Unrealized Loss Position, Less than 12 Month, Gross Unrealized Loss		(247)
Available-for-sale securities, Total, Fair Value		26,361
Available-for-sale securities, Total, Unrealized Loss		(247)
Collateralized mortgage obligations [Member]
Available-for-sale securities, Duration of Unrealized Loss Position, Less than 12 Month, Fair Value	26,477	5,161
Available-for-sale Securities, Duration of Unrealized Loss Position, Less than 12 Month, Gross Unrealized Loss	(550)	(160)
Available-for-sale securities, Total, Fair Value	26,477	5,161
Available-for-sale securities, Total, Unrealized Loss	(550)	(160)
Corporate bonds [Member]
Available-for-sale securities, Duration of Unrealized Loss Position, Less than 12 Month, Fair Value	24,995	12,177
Available-for-sale Securities, Duration of Unrealized Loss Position, Less than 12 Month, Gross Unrealized Loss	(256)	(146)
Available-for-sale securities, Duration of Unrealized Loss Position, 12 Month or Longer, Fair Value	2,528
Available-for-sale Securities, Duration of Unrealized Loss Position, 12 Month or Longer, Gross Unrealized Loss	(59)
Available-for-sale securities, Total, Fair Value	27,523	12,177
Available-for-sale securities, Total, Unrealized Loss	(315)	(146)
Obligations of state and political subdivisions [Member]
Available-for-sale securities, Duration of Unrealized Loss Position, Less than 12 Month, Fair Value	132,120	41,088
Available-for-sale Securities, Duration of Unrealized Loss Position, Less than 12 Month, Gross Unrealized Loss	(7,417)	(196)
Available-for-sale securities, Total, Fair Value	132,120	41,088
Available-for-sale securities, Total, Unrealized Loss	(7,417)	(196)
Asset-backed securities [Member]
Available-for-sale securities, Duration of Unrealized Loss Position, Less than 12 Month, Fair Value	76,023	18,439
Available-for-sale Securities, Duration of Unrealized Loss Position, Less than 12 Month, Gross Unrealized Loss	(359)	(98)
Available-for-sale securities, Total, Fair Value	76,023	18,439
Available-for-sale securities, Total, Unrealized Loss	$ (359)	$ (98)

Loans - Loans receivable (Detai

Loans - Loans receivable (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Real Estate:
Real Estate	$ 4,319,816	$ 4,251,701
Other Loans:
Loans before deferred loan origination fees and costs	5,868,029	5,847,484
Deduct:
Undisbursed construction loan funds	(405,983)	(355,065)
Net deferred loan origination fees and costs	(2,363)	(1,179)
Allowance for credit losses	(74,754)	(82,079)	$ (85,859)	$ (31,243)
Total loans	5,384,929	5,409,161
Other Loan [Member]
Other Loans:
Total loans	1,548,213	1,595,783
Residential Real Estate [Member]
Real Estate:
Real Estate	1,168,559	1,201,051
Commercial Real Estate [Member]
Real Estate:
Real Estate	2,402,067	2,383,001
Construction Loans [Member]
Real Estate:
Real Estate	749,190	667,649
Commercial [Member]
Other Loans:
Total loans	1,172,910	1,202,353
Deduct:
Allowance for credit losses	(12,191)	(11,665)	(11,901)	(9,003)
Home Equity and Improvement [Member]
Other Loans:
Total loans	257,764	272,701
Consumer Finance [Member]
Other Loans:
Total loans	117,539	120,729
Deduct:
Allowance for credit losses	$ (1,826)	$ (1,983)	$ (3,281)	$ (375)

Loans - Additional Information

Loans - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Jan. 31, 2020
Cash paid for paycheck protection program	$ 600,000,000
Anticipated credit losses	(7,514,000)	$ 43,786,000
Loans and Leases Receivable, Loans in Process	405,983,000		$ 355,065,000
Loan Purchase [Member]
Purchase price of loans at acquisition	2,221,204,000
Fair value of purchase price of loans at acquisition	2,247,317,000			$ 79,100,000
Financing receivable credit discount				7,700,000
Financing receivable non credit discount				$ 4,100,000
Scenario Plan [Member]
Anticipated credit losses	6,000,000
Subsequently Defaulted [Member]
Financing Receivable, Allowance for Credit Losses, Period Increase (decrease)	0
TDRs [Member]
Financing Receivable, Modifications, Recorded Investment	12,500,000		16,600,000
Specified Reserves, Provision for Troubled Debt Restructurings	697,000		883,000
Loans and Leases Receivable, Impaired, Commitment to Lend	277,000		303,000
Loans receivable deferred	35,784,000		53,450,000
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down	6,500,000
Financing Receivable, Allowance for Credit Losses, Period Increase (decrease)	$ 6,000	29,000
TDRs [Member] | Subsequently Defaulted [Member]
Financing Receivable, Allowance for Credit Losses, Period Increase (decrease)		$ 15,000
TDRs [Member] | Minimum [Member] | COVID-19 [Member]
Loan modification payment term for either interest only deferral or principal and interest deferral	1 month
TDRs [Member] | Maximum [Member] | COVID-19 [Member]
Loan modification payment term for either interest only deferral or principal and interest deferral	9 months
Consumer Portfolio Segment [Member]
Loans and Leases Receivable, Loans in Process	$ 835,000		$ 784,000
Other Loans [Member] | Commercial [Member]
PPP loans	443,800,000
Unfunded Loan Commitments [Member]
Unfunded loan commitments	$ 1,400,000,000

Loans - Allowance for credit lo

Loans - Allowance for credit loss activity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Allowance	$ 82,079	$ 31,243
Impact of ASC 326 Adoption		2,354
Acquisition related allowance for credit loss (PCD)		7,698
Charge-Offs	(109)	(434)
Recoveries	298	1,212
Provisions	(7,514)	43,786	[1]
Ending Allowance	74,754	85,859
One To Four Family Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Allowance	17,534	2,867
Impact of ASC 326 Adoption		1,765
Acquisition related allowance for credit loss (PCD)		1,077
Charge-Offs		(184)
Recoveries	8	101
Provisions	(34)	17,698	[1]
Ending Allowance	17,508	23,324
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Allowance	43,417	16,302
Impact of ASC 326 Adoption		3,682
Acquisition related allowance for credit loss (PCD)		4,053
Charge-Offs		(16)
Recoveries	36	340
Provisions	(8,181)	18,154	[1]
Ending Allowance	35,272	42,515
Construction Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Allowance	2,741	996
Impact of ASC 326 Adoption		(223)
Provisions	35	111	[1]
Ending Allowance	2,776	884
Home Equity and Improvement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Allowance	4,739	1,700
Impact of ASC 326 Adoption		(521)
Acquisition related allowance for credit loss (PCD)		248
Charge-Offs	(3)	(30)
Recoveries	29	42
Provisions	416	2,515	[1]
Ending Allowance	5,181	3,954
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Allowance	11,665	9,003
Impact of ASC 326 Adoption		(2,263)
Acquisition related allowance for credit loss (PCD)		2,272
Charge-Offs	(70)	(96)
Recoveries	198	669
Provisions	398	2,316	[1]
Ending Allowance	12,191	11,901
Consumer Finance [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Allowance	1,983	375
Impact of ASC 326 Adoption		(86)
Acquisition related allowance for credit loss (PCD)		48
Charge-Offs	(36)	(108)
Recoveries	27	60
Provisions	(148)	2,992	[1]
Ending Allowance	$ 1,826	$ 3,281
[1]	Provision for the three months ended March 31, 2020, includes $25.9 million as a result of the Merger with UCFC.

Loans - Allowance for credit _2

Loans - Allowance for credit loss activity - Additional Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021USD ($)
UCFC [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Merger with UCFC	$ 25.9

Loans - Summary of Amortized Co

Loans - Summary of Amortized Cost Basis of Collateral-dependent Loans by Class of Loans and Collateral Type (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 5,384,929	$ 5,409,161
Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	33,957	36,449
Equipment and Machinery [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	672	5,317
Inventory and Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	6,613	4,943
Vehicles [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	33	125
Collateral Pledged [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	41,275	46,834
Real Estate Loans [Member] | Real Estate [Member] | Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,008	1,024
Real Estate Loans [Member] | Real Estate [Member] | Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	30,419	33,999
Real Estate Loans [Member] | Collateral Pledged [Member] | Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,008	1,024
Real Estate Loans [Member] | Collateral Pledged [Member] | Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	30,419	33,999
Other Loans [Member] | Real Estate [Member] | Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	2,530	1,426
Other Loans [Member] | Equipment and Machinery [Member] | Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	672	5,317
Other Loans [Member] | Inventory and Receivables [Member] | Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	6,613	4,943
Other Loans [Member] | Vehicles [Member] | Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	33	125
Other Loans [Member] | Collateral Pledged [Member] | Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 9,848	$ 11,811

Loans - Schedule of Non-Perform

Loans - Schedule of Non-Performing Loans and Real Estate Owned (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Loans And Leases Receivable Net Reported Amount [Abstract]
Non-accrual loans with reserve	$ 35,835	$ 35,234
Non-accrual loans without reserve	13,463	16,448
Total non-performing loans	49,298	51,682
Real estate and other assets held for sale	54	343
Total non-performing assets	49,352	52,025
Troubled debt restructuring, still accruing	$ 6,068	$ 7,173

Loans - Schedule of Financing R

Loans - Schedule of Financing Receivables, Non Accrual Status (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	$ 5,421,823	$ 5,444,355
Total Past Due	37,860	46,885
Total Non-Accrual	49,298	51,682
Financing Receivables, 30 to 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	3,562	7,004
Financing Receivables, 60 to 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	6,863	12,880
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	27,435	27,001
Real Estate Loans [Member] | Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	1,145,380	1,173,979
Total Past Due	13,563	17,102
Total Non-Accrual	9,197	10,178
Real Estate Loans [Member] | Residential [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	757	433
Real Estate Loans [Member] | Residential [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	4,624	7,669
Real Estate Loans [Member] | Residential [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	8,182	9,000
Real Estate Loans [Member] | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	2,381,959	2,357,909
Total Past Due	1,747	2,246
Total Non-Accrual	11,799	11,980
Real Estate Loans [Member] | Commercial Real Estate [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	216	1,033
Real Estate Loans [Member] | Commercial Real Estate [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	574	369
Real Estate Loans [Member] | Commercial Real Estate [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	957	844
Real Estate Loans [Member] | Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	342,379	310,152
Total Past Due	828	2,432
Total Non-Accrual	243	806
Real Estate Loans [Member] | Construction [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	21
Real Estate Loans [Member] | Construction [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	564	1,626
Real Estate Loans [Member] | Construction [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	243	806
Other Loans [Member] | Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	1,145,483	1,172,636
Total Past Due	687	407
Total Non-Accrual	1,686	1,365
Other Loans [Member] | Commercial [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	235	9
Other Loans [Member] | Commercial [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	63	4
Other Loans [Member] | Commercial [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	389	394
Other Loans [Member] | Home Equity and Improvement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	250,442	262,373
Total Past Due	2,607	5,416
Total Non-Accrual	2,173	1,537
Other Loans [Member] | Home Equity and Improvement [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	727	3,440
Other Loans [Member] | Home Equity and Improvement [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	233	839
Other Loans [Member] | Home Equity and Improvement [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,647	1,137
Other Loans [Member] | Consumer Finance [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	114,402	117,088
Total Past Due	2,916	3,699
Total Non-Accrual	1,676	1,624
Other Loans [Member] | Consumer Finance [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	878	1,687
Other Loans [Member] | Consumer Finance [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	461	491
Other Loans [Member] | Consumer Finance [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,577	1,521
PCD [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	41,778	50,218
Total Past Due	15,512	15,583
Total Non-Accrual	22,524	24,192
PCD [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	728	402
PCD [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	344	1,882
PCD [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	$ 14,440	$ 13,299

Loans - Summary of Breakout of

Loans - Summary of Breakout of Deferrals by Loan Category (Details) - TDRs [Member] - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable deferred	$ 35,784	$ 53,450
Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable deferred	3,399	7,016
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable deferred	31,232	34,831
Construction Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable deferred	13	9,579
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable deferred	1,125	1,628
Home Equity and Improvement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable deferred		114
Consumer Finance [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable deferred	$ 15	$ 282

Loans - Summary of Breakout o_2

Loans - Summary of Breakout of Commercial Deferrals (Details) - TDRs [Member] $ in Thousands	Mar. 31, 2021USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial deferral expirations balance	$ 32,370
April [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial deferral expirations balance	25,320
May [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial deferral expirations balance	$ 7,050

Loans - Troubled Debt Restructu

Loans - Troubled Debt Restructurings on Financing Receivables (Details) - TDRs [Member] $ in Thousands	3 Months Ended
	Mar. 31, 2021USD ($)Loan	Mar. 31, 2020USD ($)Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans | Loan	5	9
Troubled Debt Restructurings, Recorded Investment | $	$ 859	$ 653
Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans | Loan	2	2
Troubled Debt Restructurings, Recorded Investment | $	$ 150	$ 378
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans | Loan		1
Troubled Debt Restructurings, Recorded Investment | $		$ 93
Home Equity and Improvement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans | Loan		1
Troubled Debt Restructurings, Recorded Investment | $		$ 26
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans | Loan	3	5
Troubled Debt Restructurings, Recorded Investment | $	$ 709	$ 156

Loans - Troubled Debt Restruc_2

Loans - Troubled Debt Restructurings on Payments (Details) - Subsequently Defaulted [Member] $ in Thousands	3 Months Ended
	Mar. 31, 2020USD ($)Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings That Subsequently Defaulted, Number of Loans | Loan	6
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment | $	$ 718
Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings That Subsequently Defaulted, Number of Loans | Loan	3
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment | $	$ 268
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings That Subsequently Defaulted, Number of Loans | Loan	1
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment | $	$ 172
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings That Subsequently Defaulted, Number of Loans | Loan	1
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment | $	$ 132
Home Equity and Improvement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings That Subsequently Defaulted, Number of Loans | Loan	1
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment | $	$ 146

Loans - Financing Receivable Cr

Loans - Financing Receivable Credit Quality Indicators (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	$ 5,459,683	$ 5,491,240
Unclassified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	5,179,855	5,248,591
Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	165,205	152,272
Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	114,623	90,377
Total Classified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	114,623	90,377
Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	1,158,943	1,191,081
Residential Real Estate [Member] | Unclassified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	1,150,158	1,187,923
Residential Real Estate [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	1,173	795
Residential Real Estate [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	7,612	2,363
Residential Real Estate [Member] | Total Classified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	7,612	2,363
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	2,383,706	2,360,155
Commercial Real Estate [Member] | Unclassified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	2,219,717	2,203,652
Commercial Real Estate [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	115,758	111,039
Commercial Real Estate [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	48,231	45,464
Commercial Real Estate [Member] | Total Classified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	48,231	45,464
Construction Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	343,207	312,584
Construction Loans [Member] | Unclassified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	321,838	299,866
Construction Loans [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	21,126	12,718
Construction Loans [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	243
Construction Loans [Member] | Total Classified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	243
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	1,146,170	1,173,043
Commercial [Member] | Unclassified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	1,097,603	1,142,289
Commercial [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	25,400	23,907
Commercial [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	23,167	6,847
Commercial [Member] | Total Classified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	23,167	6,847
Home Equity and Improvement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	253,049	267,789
Home Equity and Improvement [Member] | Unclassified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	250,944	267,350
Home Equity and Improvement [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	2,105	439
Home Equity and Improvement [Member] | Total Classified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	2,105	439
PCD [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	57,290	65,801
PCD [Member] | Unclassified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	23,956	26,829
PCD [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	1,748	3,813
PCD [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	31,586	35,159
PCD [Member] | Total Classified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	31,586	35,159
Consumer Finance [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	117,318	120,787
Consumer Finance [Member] | Unclassified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	115,639	120,682
Consumer Finance [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	1,679	105
Consumer Finance [Member] | Total Classified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	$ 1,679	$ 105

Loans - Schedule of Amortized C

Loans - Schedule of Amortized Cost Basis of Loans by Credit Quality Indicator and Class of Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable Recorded Investment [Line Items]
Total	$ 5,459,683	$ 5,491,240
Residential [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	24,792	251,178
Year 1	315,921	196,232
Year 2	164,401	136,536
Year 3	115,189	131,073
Year 4	111,764	137,833
Prior	424,359	335,395
Revolving Loans	2,517	2,834
Total	1,158,943	1,191,081
Commercial [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	94,527	523,705
Year 1	531,141	465,423
Year 2	464,954	328,375
Year 3	314,332	363,222
Year 4	340,128	209,367
Prior	620,221	450,912
Revolving Loans	18,403	19,151
Total	2,383,706	2,360,155
Construction [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	25,201	107,203
Year 1	128,306	100,553
Year 2	89,998	90,103
Year 3	84,569	11,666
Year 4	11,605	2,911
Prior	3,528	148
Total	343,207	312,584
Commercial [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	191,560	570,006
Year 1	448,756	147,204
Year 2	125,232	85,503
Year 3	76,432	45,073
Year 4	37,938	21,556
Prior	39,711	27,359
Revolving Loans	226,541	276,342
Total	1,146,170	1,173,043
Home Equity and Improvement [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	4,768	8,736
Year 1	8,419	7,483
Year 2	6,768	4,508
Year 3	4,066	7,963
Year 4	7,132	7,748
Prior	35,565	31,468
Revolving Loans	186,331	199,883
Total	253,049	267,789
Consumer Finance [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	8,784	38,665
Year 1	34,601	37,699
Year 2	33,703	19,404
Year 3	16,653	10,607
Year 4	8,613	4,397
Prior	6,090	3,272
Revolving Loans	8,874	6,743
Total	117,318	120,787
PCD [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Year 1		45
Year 2	254	2,378
Year 3	2,326	18,078
Year 4	16,673	4,535
Prior	29,194	27,963
Revolving Loans	8,843	12,802
Total	57,290	65,801
Pass [Member] | Residential [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	24,792	250,979
Year 1	315,724	196,158
Year 2	163,589	136,247
Year 3	114,232	130,759
Year 4	110,887	137,581
Prior	419,110	333,572
Revolving Loans	1,824	2,627
Total	1,150,158	1,187,923
Pass [Member] | Commercial [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	94,527	517,691
Year 1	524,710	457,905
Year 2	451,219	299,072
Year 3	284,383	300,573
Year 4	279,152	198,247
Prior	570,348	414,082
Revolving Loans	15,378	16,082
Total	2,219,717	2,203,652
Pass [Member] | Construction [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	25,201	101,616
Year 1	121,539	100,553
Year 2	89,755	82,972
Year 3	71,267	11,666
Year 4	10,548	2,911
Prior	3,528	148
Total	321,838	299,866
Pass [Member] | Commercial [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	191,460	568,678
Year 1	431,081	144,977
Year 2	118,396	82,492
Year 3	73,640	42,421
Year 4	35,277	21,262
Prior	34,149	21,969
Revolving Loans	213,600	260,490
Total	1,097,603	1,142,289
Pass [Member] | Home Equity and Improvement [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	4,768	8,736
Year 1	8,419	7,483
Year 2	6,740	4,508
Year 3	4,014	7,963
Year 4	7,113	7,748
Prior	35,013	31,382
Revolving Loans	184,877	199,530
Total	250,944	267,350
Pass [Member] | Consumer Finance [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	8,784	38,665
Year 1	33,962	37,601
Year 2	33,007	19,401
Year 3	16,542	10,607
Year 4	8,571	4,393
Prior	5,926	3,272
Revolving Loans	8,847	6,743
Total	115,639	120,682
Pass [Member] | PCD [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Year 1		45
Year 2	219	2,378
Year 3	2,236	2,547
Year 4	1,907	1,524
Prior	16,895	18,998
Revolving Loans	2,699	1,337
Total	23,956	26,829
Special Mention [Member]
Financing Receivable Recorded Investment [Line Items]
Total	165,205	152,272
Special Mention [Member] | Residential [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Current year		199
Year 1	197
Year 3		62
Year 4	61	116
Prior	222	211
Revolving Loans	693	207
Total	1,173	795
Special Mention [Member] | Commercial [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Current year		6,014
Year 1	5,992	7,239
Year 2	6,768	10,452
Year 3	13,063	60,712
Year 4	59,870	7,977
Prior	29,170	17,723
Revolving Loans	895	922
Total	115,758	111,039
Special Mention [Member] | Construction [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Current year		5,587
Year 1	6,767
Year 2		7,131
Year 3	13,302
Year 4	1,057
Total	21,126	12,718
Special Mention [Member] | Commercial [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Current year		1,180
Year 1	999	2,026
Year 2	5,546	2,514
Year 3	2,363	2,109
Year 4	1,849	37
Prior	5,095	5,121
Revolving Loans	9,548	10,920
Total	25,400	23,907
Special Mention [Member] | PCD [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Year 3		1,160
Year 4		509
Prior	1,748	1,758
Revolving Loans		386
Total	1,748	3,813
Substandard [Member]
Financing Receivable Recorded Investment [Line Items]
Total	114,623	90,377
Substandard [Member] | Residential [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Year 1		74
Year 2	812	289
Year 3	957	252
Year 4	816	136
Prior	5,027	1,612
Total	7,612	2,363
Substandard [Member] | Commercial [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Year 1	439	279
Year 2	6,967	18,851
Year 3	16,886	1,937
Year 4	1,106	3,143
Prior	20,703	19,107
Revolving Loans	2,130	2,147
Total	48,231	45,464
Substandard [Member] | Construction [Member] | Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Year 2	243
Total	243
Substandard [Member] | Commercial [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Current year	100	148
Year 1	16,676	201
Year 2	1,290	497
Year 3	429	543
Year 4	812	257
Prior	467	269
Revolving Loans	3,393	4,932
Total	23,167	6,847
Substandard [Member] | Home Equity and Improvement [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Year 2	28
Year 3	52
Year 4	19
Prior	552	86
Revolving Loans	1,454	353
Total	2,105	439
Substandard [Member] | Consumer Finance [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Year 1	639	98
Year 2	696	3
Year 3	111
Year 4	42	4
Prior	164
Revolving Loans	27
Total	1,679	105
Substandard [Member] | PCD [Member] | Other Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Year 2	35
Year 3	90	14,371
Year 4	14,766	2,502
Prior	10,551	7,207
Revolving Loans	6,144	11,079
Total	$ 31,586	$ 35,159

Loans - Summary of Credit Loss

Loans - Summary of Credit Loss Estimation (Details)	3 Months Ended
	Mar. 31, 2021
Residential Portfolio Segment [Member] | Real Estate [Member] | 1-4 Family Nonowner Occupied [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Residential real estate
Loan Pool	1-4 Family nonowner occupied
Methodology	DCF
Loss Drivers	National unemployment
Residential Portfolio Segment [Member] | Real Estate [Member] | 1-4 Family Owner Occupied [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Residential real estate
Loan Pool	1-4 Family owner occupied
Methodology	DCF
Loss Drivers	National unemployment
Commercial Real Estate [Member] | Real Estate [Member] | Commercial Real Estate Nonowner Occupied [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Commercial real estate
Loan Pool	Commercial real estate nonowner occupied
Methodology	DCF
Loss Drivers	National unemployment
Commercial Real Estate [Member] | Real Estate [Member] | Commercial Real Estate Owner Occupied [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Commercial real estate
Loan Pool	Commercial real estate owner occupied
Methodology	DCF
Loss Drivers	National unemployment
Commercial Real Estate [Member] | Real Estate [Member] | Multi Family [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Commercial real estate
Loan Pool	Multi Family
Methodology	DCF
Loss Drivers	National unemployment
Commercial Real Estate [Member] | Real Estate [Member] | Agriculture Land [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Commercial real estate
Loan Pool	Agriculture Land
Methodology	DCF
Loss Drivers	National unemployment
Commercial Real Estate [Member] | Real Estate [Member] | Commercial Loans Other [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Commercial real estate
Loan Pool	Other commercial real estate
Methodology	DCF
Loss Drivers	National unemployment
Construction Portfolio Segment [Member] | Real Estate [Member] | Construction Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Construction secured by real estate
Loan Pool	Construction
Methodology	PD/LGD
Loss Drivers	Call report loss history
Commercial Loan Portfolio Segment [Member] | Other Loans [Member] | Commercial Loans Other [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Commercial
Loan Pool	Other commercial
Methodology	PD/LGD
Loss Drivers	Call report loss history
Commercial Loan Portfolio Segment [Member] | Other Loans [Member] | Commercial Working Capital [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Commercial
Loan Pool	Commercial working capital
Methodology	PD/LGD
Loss Drivers	Call report loss history
Commercial Loan Portfolio Segment [Member] | Other Loans [Member] | Agriculture Production [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Commercial
Loan Pool	Agriculture production
Methodology	PD/LGD
Loss Drivers	Call report loss history
Home Equity and Improvement Portfolio Segment [Member] | Other Loans [Member] | Home Equity and Improvement [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Home equity and improvement
Loan Pool	Home equity and improvement
Methodology	PD/LGD
Loss Drivers	Call report loss history
Consumer Finance [Member] | Other Loans [Member] | Consumer Finance [Member]
Financing Receivable Recorded Investment [Line Items]
Portfolio Segments	Consumer finance
Loan Pool	Consumer finance
Methodology	Remaining life
Loss Drivers	Call report loss history

Loans - Schedule of Deteriorati

Loans - Schedule of Deterioration of Credit Quality Contractual Purchased Loans (Details) - Loan Purchase [Member] - USD ($) $ in Thousands	Mar. 31, 2021	Jan. 31, 2020
Par value of acquired loans at acquisition	$ 2,247,317	$ 79,100
Credit discount	(34,610)
Non-credit (discount)/premium at acquisition	8,497
Purchase price of loans at acquisition	$ 2,221,204

Loans - Schedule of Outstanding

Loans - Schedule of Outstanding Balance and Related Allowance on Loans (Details) - Loan Purchase [Member] - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Loan Balance	$ 57,290	$ 65,801
ACL Balance	4,775	4,617
Real Estate [Member]
Loan Balance	35,798	39,229
ACL Balance	2,376	2,487
Real Estate [Member] | Residential [Member]
Loan Balance	14,418	14,895
ACL Balance	278	201
Real Estate [Member] | Commercial Real Estate [Member]
Loan Balance	21,380	24,334
ACL Balance	2,098	2,286
Other Loans [Member]
Loan Balance	21,492	26,572
ACL Balance	2,399	2,130
Other Loans [Member] | Commercial [Member]
Loan Balance	15,962	20,990
ACL Balance	2,149	1,896
Other Loans [Member] | Home Equity and Improvement [Member]
Loan Balance	4,715	4,912
ACL Balance	235	214
Other Loans [Member] | Consumer Finance [Member]
Loan Balance	815	670
ACL Balance	$ 15	$ 20

Mortgage Banking - Net revenues

Mortgage Banking - Net revenues (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Mortgage Banking [Abstract]
Gain from sale of mortgage loans	$ 5,640	$ 4,902
Mortgage loans servicing revenue (expense):
Mortgage loans servicing revenue	1,917	1,594
Amortization of mortgage servicing rights	(2,344)	(1,163)
Mortgage servicing rights valuation adjustments	5,320	(4,485)
Mortgage loans servicing revenue (expense), Total	4,893	(4,054)
Net revenue from sale and servicing of mortgage loans	$ 10,533	$ 848

Mortgage Banking - Additional i

Mortgage Banking - Additional information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 30, 2021	Dec. 31, 2020
Mortgage Banking [Abstract]
Residential Mortgage Loans, Unpaid Balance			$ 2,900,000,000	$ 3,000,000,000
Accrued Liabilities and Other Liabilities				$ 43,000
Expenses (credit) relating to secondary market buy-back activity	$ (43,000)	$ 0

Mortgage Banking - Capitalized

Mortgage Banking - Capitalized Mortgage and Valuation Allowance (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Mortgage servicing assets:
Balance at beginning of period	$ 21,666	$ 10,801
Loans sold, servicing retained	2,374	1,376
Mortgage servicing rights acquired		9,747
Amortization	(2,344)	(1,163)
Carrying value before valuation allowance at end of period	21,696	20,761
Valuation allowance:
Balance at beginning of period	(8,513)	(534)
Impairment recovery (charges)	5,320	(4,485)
Balance at end of period	(3,193)	(5,019)
Net carrying value of MSRs at end of period	18,503	15,742
Fair value of MSRs at end of period	$ 18,695	$ 16,105

Leases - Additional Information

Leases - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Lessee Lease Description [Line Items]
Option extensions	true
Operating lease, option to extend	five and ten year
Operating lease, weighted average remaining lease term	14 years 10 months 2 days		15 years 1 month 2 days
Operating lease, weighted average discount rate	2.59%		2.61%
Operating Lease, Cost	$ 664,000	$ 517,000
Operating Lease, Right-of-Use Asset	$ 16,900,000		$ 16,900,000
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other Assets [Member]		Other Assets [Member]
Operating Lease, Liability	$ 17,722,000		$ 17,800,000
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Other Liabilities [Member]		Other Liabilities [Member]
Minimum [Member]
Lessee Lease Description [Line Items]
Lessee, Operating Lease, Renewal Term	5 years
Maximum [Member]
Lessee Lease Description [Line Items]
Lessee, Operating Lease, Renewal Term	10 years

Leases - Schedule of Undiscount

Leases - Schedule of Undiscounted Cash Flows Included in Lease Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Leases [Abstract]
2021	$ 1,764
2022	2,020
2023	1,638
2024	1,412
2025	1,259
Thereafter	13,761
Total undiscounted minimum lease payments	21,854
Present value adjustment	(4,132)
Total lease liabilities	$ 17,722	$ 17,800

Deposits - Summary of Deposit B

Deposits - Summary of Deposit Balances (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Deposits [Abstract]
Non-interest-bearing checking accounts	$ 1,728,895	$ 1,597,262
Interest-bearing checking and money market accounts	2,806,271	2,627,669
Savings deposits	761,899	700,480
Retail certificates of deposit less than $250,000	842,624	912,006
Retail certificates of deposit greater than $250,000	212,230	210,424
Total	$ 6,351,919	$ 6,047,841

Borrowings - Additional Informa

Borrowings - Additional Information (Details) - USD ($)	3 Months Ended	9 Months Ended
	Mar. 31, 2021	Sep. 30, 2020	Dec. 31, 2020
Debt Instrument [Line Items]
Outstanding federal home loan bank advances	$ 0		$ 0
Period for Interest Deferral on Trust Preferred Securities	5 years
Premier Statutory Trust II [Member]
Debt Instrument [Line Items]
Proceeds from Issuance of Subordinated Long-term Debt	$ 15,500,000
Proceeds from Issuance of Trust Preferred Securities	$ 15,000,000
Coupon Rate on Preferred Securities, Period End	1.68%		1.72%
Preferred Securities Variable Interest Rate	LIBOR rate plus 1.5%
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Description	The Trust Preferred Securities and Subordinated Debentures mature on September 15, 2037, but can be redeemed at the Company’s option at any time now.
Premier Statutory Trust I [Member]
Debt Instrument [Line Items]
Proceeds from Issuance of Subordinated Long-term Debt	$ 20,600,000
Proceeds from Issuance of Trust Preferred Securities	$ 20,000,000
Coupon Rate on Preferred Securities, Period End	1.56%		1.60%
Preferred Securities Variable Interest Rate	LIBOR rate plus 1.38%
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Description	The Trust Preferred Securities and Subordinated Debentures mature on December 15, 2035, but can be redeemed at the Company’s option at any time now.
Subordinated Debt [Member]
Debt Instrument [Line Items]
Aggregate principal amount		$ 50,000,000
Subordinated notes, due date		Sep. 30, 2030
Subordinated notes, fixed Interest rate		4.00%
Subordinated notes, fixed interest rate, period		5 years
Basis spread on variable rate		3.885%
Proceeds from Issuance of Subordinated Long-term Debt		$ 48,700,000

Borrowings - Schedule of Federa

Borrowings - Schedule of Federal Home Loan Bank Advances, Junior Subordinated Debentures and Subordinated Debentures (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Advances From Federal Home Loan Banks [Abstract]
Junior subordinated debentures owed to unconsolidated subsidiary trusts	$ 36,083	$ 36,083
Subordinated debentures	$ 48,798	$ 48,777

Commitments, Guarantees and C_3

Commitments, Guarantees and Contingent Liabilities - Maximum obligation to extend credit (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Commitments And Contingencies Disclosure [Abstract]
Commitments to make loans	$ 773,625	$ 702,103
Unused lines of credit	927,333	918,470
Standby letters of credit	23,268	22,250
Total	$ 1,724,226	$ 1,642,823

Commitments, Guarantees and C_4

Commitments, Guarantees and Contingent Liabilities - Additional Information (Details)	3 Months Ended
	Mar. 31, 2021
Commitments And Contingencies Disclosure [Abstract]
Loan Commitments Maturities Range Description	60 days or less

Income Taxes - Schedule of Comp

Income Taxes - Schedule of Components of Income Tax Expense (Benefit) - (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Current:
Federal	$ 6,362	$ (5,140)
State and local	163	75
Deferred	3,427	(545)
Income Tax Expense (Benefit)	$ 9,952	$ (5,610)

Income Taxes - Schedule of Effe

Income Taxes - Schedule of Effective Income Tax Rate Reconciliation - (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Tax Disclosure [Abstract]
Tax expense (benefit) at statutory rate (21%)	$ 10,699	$ (5,899)
Increases (decreases) in taxes from:
State income tax - net of federal tax benefit	128	59
Tax exempt interest income, net of TEFRA	(200)	(198)
Bank owned life insurance	(245)	(164)
Captive insurance	(90)	(92)
Other	(340)	684
Income Tax Expense (Benefit)	$ 9,952	$ (5,610)

Income Taxes - Schedule of Ef_2

Income Taxes - Schedule of Effective Income Tax Rate Reconciliation - (Parenthetical) - (Details)	3 Months Ended
	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%

Derivative Financial Instrume_3

Derivative Financial Instruments - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Derivatives Fair Value [Line Items]
Interest Rate Derivative Instruments Not Designated as Hedging Instruments at Fair Value, Net	$ 133,800,000		$ 135,700,000
Notional Amount of Interest Rate Derivative Instruments Not Designated as Hedging Instruments	322,000,000		265,000,000
Interest Rate Swaps [Member]
Derivatives Fair Value [Line Items]
Notional Amount of Interest Rate Derivative Instruments Not Designated as Hedging Instruments	87,200,000		87,800,000
Difference in fair value of asset and liability	31,000
Noninterest income expense	198,000	$ (108,000)
Equity Linked Time Deposit [Member]
Derivatives Fair Value [Line Items]
Time deposits	3,200,000		5,700,000
Written option at fair value	59,000		56,000
Purchased option at fair value	59,000		56,000
Other Assets [Member] | Interest Rate Swaps [Member]
Derivatives Fair Value [Line Items]
Fair value of derivative assets	406,000		1,900,000
Other Liabilities [Member] | Interest Rate Swaps [Member]
Derivatives Fair Value [Line Items]
Fair value of derivative liabilities	$ 375,000		$ 2,000,000

Derivative Financial Instrume_4

Derivative Financial Instruments - Carrying values (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Derivatives not designated as hedging instruments
Mortgage Banking Derivatives Assets, Carrying Value	$ 7,957	$ 3,833

Derivative Financial Instrume_5

Derivative Financial Instruments - Amount of gains and losses recognized (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Derivatives not designated as hedging instruments
Mortgage Banking Derivatives – Gain (Loss)	$ 4,124	$ 471

Other Comprehensive (Loss) In_3

Other Comprehensive (Loss) Income - Reclassification adjustments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Securities available for sale and transferred securities: Before Tax Amount
Change in net unrealized gain/loss during the period	$ (19,112)	$ 9,458
Reclassification adjustment for net gains included in net income	(516)
Total other comprehensive loss	(19,628)	9,458
Securities available for sale and transferred securities: Tax (Expense) Benefit
Change in net unrealized gain/loss during the period	4,014	(1,985)
Reclassification adjustment for net gains included in net income	108
Total other comprehensive loss	4,122	(1,985)
Securities available for sale and transferred securities:
Change in net unrealized gain/loss during the period	(15,098)	7,473
Reclassification adjustment for net gains included in net income	(408)
Total other comprehensive income (loss)	$ (15,506)	$ 7,473

Other Comprehensive (Loss) In_4

Other Comprehensive (Loss) Income - Activity in AOCI, net of tax (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract]
Securities Available For Sale, Beginning balance	$ 15,083	$ 4,839
Securities Available For Sale, Other comprehensive income/(loss) before reclassifications	(15,098)	7,473
Securities Available For Sale, Amounts reclassified from accumulated other comprehensive income	(408)
Securities Available For Sale, Net other comprehensive income/(loss) during period	(15,506)	7,473
Securities Available For Sale, Ending balance	(423)	12,312
Post-retirement Benefit, Beginning balance	(79)	(244)
Post-retirement Benefit, Ending balance	(79)	(244)
Accumulated Other Comprehensive Income (Loss), Beginning balance	15,004	4,595
Accumulated Other Comprehensive Income (Loss), Other comprehensive income/(loss) before reclassifications	(15,098)	7,473
Accumulated Other Comprehensive Income (Loss), Amounts reclassified from accumulated other comprehensive income	(408)	0
Accumulated Other Comprehensive Income (loss), Net other comprehensive income/(loss) during period	(15,506)	7,473
Accumulated Other Comprehensive Income (Loss), Ending balance	$ (502)	$ 12,068

Business Combinations - Additio

Business Combinations - Additional Information (Details)	1 Months Ended	3 Months Ended
	Jan. 31, 2020USD ($)shares	Mar. 31, 2021USD ($)	Mar. 31, 2020USD ($)	Dec. 31, 2020USD ($)
Business Combination, Acquisition Related Costs			$ 11,486,000
Labor and Related Expense		$ 21,997,000	17,585,000
Goodwill		$ 317,948,000		$ 317,948,000
Number of entities for merger		2
UCFC [Member]
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets	$ 2,800,000,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	324,500,000
Business Combination, Acquisition Related Costs			$ 11,500,000
Goodwill	217,879,000			217,900,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 33,014,000			$ 33,000,000
Outstanding shares converted into common stock | shares	0.3715
Capital stock issuance (in shares) | shares	17,926,174
Payments to Acquire Businesses, Gross	$ 132,000
UCFC [Member] | Customer Relationships [Member]
Number of years for amortization expense		10 years

Business Combinations - Schedul

Business Combinations - Schedule of Business Acquisitions, by Acquisition (Details) - USD ($)	1 Months Ended
	Jan. 31, 2020	Mar. 31, 2021	Dec. 31, 2020
Recognized Amounts of Identifiable Assets Acquired and Liabilities Assumed:
Goodwill		$ 317,948,000	$ 317,948,000
UCFC [Member]
Cash Consideration	$ 132,000
Fair Value of Options Exchanged	461,000
Equity - Dollar Value of Issued Shares	526,850,000
Fair Value of Total Consideration Transferred	527,443,000
Recognized Amounts of Identifiable Assets Acquired and Liabilities Assumed:
Cash and Cash Equivalents	52,580,000
Securities available for sale	262,753,000
Net loans, including loans held for sale and allowance	2,340,701,000
FHLB Stock	12,753,000
Office Properties and Equipment	20,253,000
Intangible Assets	33,014,000		33,000,000
Bank Owned Life Insurance	65,934,000
Mortgage Servicing Rights	9,747,000
Accrued Interest Receivable and Other Assets	35,943,000
Deposits - Non-Interest Bearing	(430,921,000)
Deposits - Interest Bearing	(1,651,669,000)
Advances from FHLB	(381,000,000)
Accrued Interest Payable and Other Liabilities	(60,524,000)
Total Identifiable Net Assets	309,564,000
Goodwill	$ 217,879,000		$ 217,900,000