Heartland Financial USA (HTLF) 10-Q 8 Nov 23 2023 Q3 Quarterly report Financial data

Cover

Cover - shares	9 Months Ended
	Sep. 30, 2023	Nov. 08, 2023
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2023
Document Transition Report	false
Entity File Number	001-15393
Entity Registrant Name	HEARTLAND FINANCIAL USA, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	42-1405748
Entity Address, Address Line One	1800 Larimer Street, Suite 1800
Entity Address, City or Town	Denver
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80202
City Area Code	303
Local Phone Number	285-9200
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		42,661,604
Entity Central Index Key	0000920112
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q3
Amendment Flag	false
Common Stock, par value $1.00 per share
Entity Information [Line Items]
Title of 12(b) Security	Common Stock, par value $1.00 per share
Trading Symbol	HTLF
Security Exchange Name	NASDAQ
Depositary Shares, each representing 1/400th interest in a share of 7.00% Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series E
Entity Information [Line Items]
Title of 12(b) Security	Depositary Shares, each representing 1/400th interest in a share of 7.00% Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series E
Trading Symbol	HTLFP
Security Exchange Name	NASDAQ

CONSOLIDATED BALANCE SHEETS

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
ASSETS
Cash and due from banks	$ 248,756	$ 309,045
Interest bearing deposits with other banks and other short-term investments	99,239	54,042
Cash and cash equivalents	347,995	363,087
Time deposits in other financial institutions	1,490	1,740
Securities:
Carried at fair value (cost of $6,229,280 at September 30, 2023, and $6,788,729 at December 31, 2022)	5,482,687	6,147,144
Held to maturity, net of allowance for credit losses of $0 at both September 30, 2023, and December 31, 2022 (fair value of $758,626 at September 30, 2023, and $776,557 at December 31, 2022)	835,468	829,403
Other investments, at cost	90,001	74,567
Loans held for sale	6,262	5,277
Loans receivable:
Held to maturity	11,872,436	11,428,352
Allowance for credit losses	(110,208)	(109,483)
Loans receivable, net	11,762,228	11,318,869
Premises, furniture and equipment, net	184,638	190,479
Premises, furniture and equipment held for sale	2,798	6,851
Other real estate, net	14,362	8,401
Goodwill	576,005	576,005
Core deposit intangibles and customer relationship intangibles, net	20,026	25,154
Servicing rights, net	0	7,840
Cash surrender value on life insurance	196,694	193,403
Other assets	609,139	496,008
TOTAL ASSETS	20,129,793	20,244,228
Deposits:
Demand	4,792,813	5,701,340
Savings	8,754,911	9,994,391
Time	3,553,269	1,817,278
Total deposits	17,100,993	17,513,009
Short-term borrowings	392,634	376,117
Other borrowings	372,059	371,753
Accrued expenses and other liabilities	438,577	248,294
TOTAL LIABILITIES	18,304,263	18,509,173
STOCKHOLDERS' EQUITY:
Common stock (par value $1 per share; 60,000,000 shares authorized at both September 30, 2023, and December 31, 2022; issued 42,656,303 shares at September 30, 2023, and 42,467,394 shares at December 31, 2022)	42,656	42,467
Capital surplus	1,088,267	1,080,964
Retained earnings	1,226,740	1,120,925
Accumulated other comprehensive loss	(642,838)	(620,006)
TOTAL STOCKHOLDERS' EQUITY	1,825,530	1,735,055
TOTAL LIABILITIES AND EQUITY	20,129,793	20,244,228
Preferred Stock
STOCKHOLDERS' EQUITY:
Preferred stock	$ 0	$ 0
Preferred stock, shares outstanding (in shares)	0	0
Series E Fixed-Rate Reset Cumulative Perpetual Preferred Stock
STOCKHOLDERS' EQUITY:
Preferred stock	$ 110,705	$ 110,705
Preferred stock, shares outstanding (in shares)	11,500	11,500

CONSOLIDATED BALANCE SHEETS (Pa

CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Marketable securities, amortized cost	$ 6,229,280	$ 6,788,729
Held to maturity, fair value	$ 835,468	$ 829,403
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	60,000,000	60,000,000
Common stock, shares issued (in shares)	42,656,303	42,467,394
Preferred Stock
Preferred stock, par value (in dollars per share)	$ 1	$ 1
Preferred stock, shares authorized (in shares)	188,500	6,104
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Series E Fixed-Rate Reset Cumulative Perpetual Preferred Stock
Preferred stock, par value (in dollars per share)	$ 1	$ 1
Preferred stock, shares authorized (in shares)	11,500	11,500
Preferred stock, shares issued (in shares)	11,500	11,500
Preferred stock, shares outstanding (in shares)	11,500	11,500
Significant Other Observable Inputs (Level 2)
Held to maturity, fair value	$ 758,626	$ 776,557
Obligations of states and political subdivisions
Held to maturity, allowance for credit losses	0	0
Held to maturity, fair value	$ 835,468	$ 829,403

CONSOLIDATED STATEMENTS OF INCO

CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
INTEREST INCOME:
Interest and fees on loans	$ 182,394	$ 122,913	$ 505,136	$ 334,000
Interest on securities:
Taxable	54,800	45,648	168,948	116,366
Nontaxable	6,584	6,164	18,990	17,874
Interest on federal funds sold	3	0	3	0
Interest on interest bearing deposits in other financial institutions	1,651	1,081	4,833	1,715
TOTAL INTEREST INCOME	245,432	175,806	697,910	469,955
INTEREST EXPENSE:
Interest on deposits	92,744	15,158	231,617	24,665
Interest on short-term borrowings	1,167	360	4,437	494
Interest on other borrowings (includes $(63) and $189 of interest (income) expense related to derivatives reclassified from accumulated other comprehensive loss for the three months ended September 30, 2023 and 2022, respectively, and $638 and $552 of interest expense related to derivatives reclassified from accumulated other comprehensive income (loss) for the nine months ended September 30, 2023 and 2022, respectively)	5,765	4,412	16,756	11,780
TOTAL INTEREST EXPENSE	99,676	19,930	252,810	36,939
NET INTEREST INCOME	145,756	155,876	445,100	433,016
Provision for credit losses	1,516	5,492	9,969	11,983
NET INTEREST INCOME AFTER PROVISION FOR CREDIT LOSSES	144,240	150,384	435,131	421,033
NONINTEREST INCOME:
Loan servicing income	278	831	1,403	1,951
Securities losses, net (includes $59 and $(1,070) of net security gains (losses) reclassified from accumulated other comprehensive loss for the three months ended September 30, 2023 and 2022, respectively, and $(1,370) and $(1,720) of net security losses reclassified from accumulated other comprehensive income (loss) for the nine months ended September 30, 2023 and 2022, respectively)	(114)	(1,055)	(1,532)	(272)
Unrealized gain (loss) on equity securities, net	13	(211)	165	(615)
Net gains on sale of loans held for sale	905	1,832	3,786	8,144
Valuation adjustment on servicing rights	0	0	0	1,658
Income on bank owned life insurance	858	694	3,042	1,741
Other noninterest income	619	1,978	2,489	5,877
TOTAL NONINTEREST INCOME	28,383	29,181	90,875	98,289
NONINTEREST EXPENSES:
Salaries and employee benefits	62,262	62,661	186,510	192,867
Occupancy	6,438	6,794	20,338	21,250
Furniture and equipment	2,720	2,928	8,698	9,480
Professional fees	13,616	14,289	41,607	42,286
FDIC insurance assessments	3,313	1,988	9,627	5,134
Advertising	1,633	1,554	6,670	4,392
Core deposit and customer relationship intangibles amortization	1,625	1,856	5,128	5,993
Other real estate and loan collection expenses	481	304	984	577
Loss (gain) on sales/valuations of assets, net	108	(251)	(2,149)	(3,435)
Acquisition, integration and restructuring costs	2,429	2,156	5,994	5,144
Partnership investment in tax credit projects	1,136	979	1,828	1,793
Other noninterest expenses	15,292	13,625	46,307	40,678
TOTAL NONINTEREST EXPENSES	111,053	108,883	331,542	326,159
INCOME BEFORE INCOME TAXES	61,570	70,682	194,464	193,163
Income taxes (includes $9,877 and $302 of income tax benefit reclassified from accumulated other comprehensive loss for the three months ended September 30, 2023 and 2022, respectively, and $19,253 and $466 of income tax benefit reclassified from accumulated other comprehensive income (loss) for the nine months ended September 30, 2023 and 2022, respectively)	13,479	14,118	44,181	41,637
NET INCOME	48,091	56,564	150,283	151,526
Preferred dividends	(2,013)	(2,013)	(6,038)	(6,038)
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS	$ 46,078	$ 54,551	$ 144,245	$ 145,488
EARNINGS PER COMMON SHARE - BASIC (in dollars per share)	$ 1.08	$ 1.28	$ 3.38	$ 3.43
EARNINGS PER COMMON SHARE - DILUTED (in dollars per share)	1.08	1.28	3.37	3.42
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.30	$ 0.27	$ 0.90	$ 0.81
Reclassification out of accumulated other comprehensive income (loss) | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
INTEREST EXPENSE:
Interest on other borrowings (includes $(63) and $189 of interest (income) expense related to derivatives reclassified from accumulated other comprehensive loss for the three months ended September 30, 2023 and 2022, respectively, and $638 and $552 of interest expense related to derivatives reclassified from accumulated other comprehensive income (loss) for the nine months ended September 30, 2023 and 2022, respectively)	$ (63)	$ 189	$ 638	$ 552
Reclassification out of accumulated other comprehensive income (loss) | Accumulated Net Unrealized Investment Gain (Loss)
NONINTEREST INCOME:
Securities losses, net (includes $59 and $(1,070) of net security gains (losses) reclassified from accumulated other comprehensive loss for the three months ended September 30, 2023 and 2022, respectively, and $(1,370) and $(1,720) of net security losses reclassified from accumulated other comprehensive income (loss) for the nine months ended September 30, 2023 and 2022, respectively)	59	(1,070)	(1,370)	(1,720)
Reclassification out of accumulated other comprehensive income (loss) | Accumulated Other Comprehensive Loss
NONINTEREST EXPENSES:
Income taxes (includes $9,877 and $302 of income tax benefit reclassified from accumulated other comprehensive loss for the three months ended September 30, 2023 and 2022, respectively, and $19,253 and $466 of income tax benefit reclassified from accumulated other comprehensive income (loss) for the nine months ended September 30, 2023 and 2022, respectively)	9,877	302	19,253	466
Service charges and fees
NONINTEREST INCOME:
Revenue from contract with customers	18,553	17,282	55,316	50,599
Trust fees
NONINTEREST INCOME:
Revenue from contract with customers	4,734	5,372	15,810	17,130
Brokerage and insurance commissions
NONINTEREST INCOME:
Revenue from contract with customers	692	649	2,065	2,357
Capital markets fees
NONINTEREST INCOME:
Revenue from contract with customers	$ 1,845	$ 1,809	$ 8,331	$ 9,719

CONSOLIDATED STATEMENTS OF IN_2

CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest benefit	$ 5,765	$ 4,412	$ 16,756	$ 11,780
Net security gains (loss)	(114)	(1,055)	(1,532)	(272)
Income tax expense (benefit)	13,479	14,118	44,181	41,637
Reclassification out of accumulated other comprehensive income (loss) | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
Interest benefit	(63)	189	638	552
Reclassification out of accumulated other comprehensive income (loss) | Accumulated Net Unrealized Investment Gain (Loss)
Net security gains (loss)	59	(1,070)	(1,370)	(1,720)
Reclassification out of accumulated other comprehensive income (loss) | Accumulated Other Comprehensive Loss
Income tax expense (benefit)	$ 9,877	$ 302	$ 19,253	$ 466

CONSOLIDATED STATEMENTS OF COMP

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
NET INCOME	$ 48,091	$ 56,564	$ 150,283	$ 151,526
Changes in available for sale ("AFS") securities:
Net change in unrealized loss on securities	(128,987)	(218,463)	(106,378)	(860,365)
Reclassification adjustment for net losses on hedged AFS securities	36,362	0	65,872	0
Reclassification adjustment for net (gains) losses realized in net income	(59)	1,070	1,370	1,720
Income tax benefit	22,943	53,529	8,388	213,328
Other comprehensive loss on AFS securities	(69,741)	(163,864)	(30,748)	(645,317)
Changes in securities held to maturity:
Net amortization of unrealized losses on securities transferred from AFS	2,893	0	8,401	0
Income tax expense	(709)	0	(2,462)	0
Other comprehensive income on held to maturity securities	2,184	0	5,939	0
Change in cash flow hedges:
Net change in unrealized gain on derivatives	0	0	1,952	0
Reclassification adjustment for net (gains) losses on derivatives realized in net income	(63)	189	638	552
Income tax benefit (expense)	22	(43)	(613)	(119)
Other comprehensive income (loss) on cash flow hedges	(41)	146	1,977	433
Other comprehensive loss	(67,598)	(163,718)	(22,832)	(644,884)
TOTAL COMPREHENSIVE INCOME (LOSS)	$ (19,507)	$ (107,154)	$ 127,451	$ (493,358)

CONSOLIDATED STATEMENTS OF CASH

CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 48,091	$ 56,564	$ 150,283	$ 151,526
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization			15,467	18,758
Provision for credit losses	1,516	5,492	9,969	11,983
Net amortization of premium on securities			23,332	50,886
Securities losses, net	114	1,055	1,532	272
Unrealized (gain) loss on equity securities, net			(165)	615
Stock based compensation			7,742	7,411
Loans originated for sale			(122,764)	(244,908)
Proceeds on sales of loans held for sale			138,603	263,904
Net gains on sale of loans held for sale			(3,762)	(6,926)
Increase in accrued interest receivable			(9,203)	(5,348)
Decrease in prepaid expenses			964	1,479
Increase in accrued interest payable			46,697	483
Capitalization of servicing rights			(24)	(1,218)
Valuation adjustment on servicing rights	0	0	0	(1,658)
Gain on sales/valuations of assets, net			(2,149)	(390)
Net excess tax benefit (expense) from stock based compensation			(115)	129
Other, net			140,670	66,142
NET CASH PROVIDED BY OPERATING ACTIVITIES			397,077	313,140
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from the sale of securities available for sale	44,457	57,610	331,196	1,031,521
Proceeds from the sale of securities held to maturity			0	2,337
Proceeds from the maturity of and principal paydowns on securities available for sale			480,362	758,453
Proceeds from the maturity of and principal paydowns on securities held to maturity			2,325	2,500
Proceeds from the maturity of time deposits in other financial institutions			250	1,154
Proceeds from the sale, maturity of, redemption of and principal paydowns on other investments			13,255	13,674
Purchase of securities available for sale			(276,635)	(1,982,073)
Purchase of other investments			(28,851)	(10,045)
Net increase in loans			(505,924)	(1,002,220)
Purchase of bank owned life insurance policies			(226)	(209)
Proceeds from bank owned life insurance policies			0	502
Proceeds from sale of mortgage servicing rights			6,714	0
Capital expenditures			(5,701)	(12,276)
Proceeds from the sale of equipment			4,446	6,789
Net cash expended in divestitures			0	(50,616)
Proceeds on sale of OREO and other repossessed assets			5,672	2,564
NET CASH PROVIDED (USED) BY INVESTING ACTIVITIES			26,883	(1,237,945)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net decrease in demand deposits			(908,527)	(396,552)
Net (decrease) increase in savings deposits			(1,239,480)	1,204,574
Net increase in time deposit accounts			1,735,991	105,695
Net (decrease) increase in short-term borrowings			(285,255)	14,003
Proceeds from short term advances			617,391	236,000
Repayments of short term advances			(315,619)	(236,000)
Repayments of other borrowings			(740)	(198)
Proceeds from issuance of common stock			1,527	1,896
Dividends paid			(44,340)	(40,352)
NET CASH (USED) PROVIDED BY FINANCING ACTIVITIES			(439,052)	889,066
Net decrease in cash and cash equivalents			(15,092)	(35,739)
Cash and cash equivalents at beginning of year			363,087	435,599	$ 435,599
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 347,995	$ 399,860	347,995	399,860	$ 363,087
Supplemental disclosures:
Cash paid for income/franchise taxes			47,240	33,412
Cash paid for interest			206,113	36,456
Loans transferred to OREO			12,776	8,458
Transfer of premises from premises, furniture and equipment, net, to premises, furniture and equipment held for sale			4,091	4,555
Transfer of premises from premises, furniture and equipment held for sale to premises, furniture and equipment, net			5,825	0
Dividends declared, not paid			2,141	2,013
Transfer of available for sale securities to held to maturity securities			$ 0	$ 748,252

CONSOLIDATED STATEMENTS OF CHAN

CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Capital Surplus	Retained Earnings	Accumulated Other Comprehensive Loss
Balance at beginning of period at Dec. 31, 2021	$ 2,182,178	$ 110,705	$ 42,275	$ 1,071,956	$ 962,994	$ (5,752)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive (loss) income	(493,358)				151,526	(644,884)
Cash dividends declared:
Preferred	(6,038)				(6,038)
Common	(34,314)				(34,314)
Issuance of shares of common stock	79		169	(90)
Stock based compensation	7,411			7,411
Balance at end of period at Sep. 30, 2022	1,655,958	110,705	42,444	1,079,277	1,074,168	(650,636)
Balance at beginning of period at Jun. 30, 2022	1,774,068	110,705	42,439	1,076,766	1,031,076	(486,918)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive (loss) income	(107,154)				56,564	(163,718)
Cash dividends declared:
Preferred	(2,013)				(2,013)
Common	(11,459)				(11,459)
Issuance of shares of common stock	195		5	190
Stock based compensation	2,321			2,321
Balance at end of period at Sep. 30, 2022	1,655,958	110,705	42,444	1,079,277	1,074,168	(650,636)
Balance at beginning of period at Dec. 31, 2022	1,735,055	110,705	42,467	1,080,964	1,120,925	(620,006)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive (loss) income	127,451				150,283	(22,832)
Cash dividends declared:
Preferred	(6,038)				(6,038)
Common	(38,430)				(38,430)
Issuance of shares of common stock	(250)		189	(439)
Stock based compensation	7,742			7,742
Balance at end of period at Sep. 30, 2023	1,825,530	110,705	42,656	1,088,267	1,226,740	(642,838)
Balance at beginning of period at Jun. 30, 2023	1,858,990	110,705	42,645	1,087,358	1,193,522	(575,240)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive (loss) income	(19,507)				48,091	(67,598)
Cash dividends declared:
Preferred	(2,013)				(2,013)
Common	(12,860)				(12,860)
Issuance of shares of common stock	71		11	60
Stock based compensation	849			849
Balance at end of period at Sep. 30, 2023	$ 1,825,530	$ 110,705	$ 42,656	$ 1,088,267	$ 1,226,740	$ (642,838)

CONSOLIDATED STATEMENTS OF CH_2

CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited) (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Stockholders' Equity [Abstract]
Cash dividends per share preferred stock (in dollars per share)	$ 175	$ 175	$ 525	$ 525
Cash dividends per share common stock (in dollars per share)	$ 0.30	$ 0.27	$ 0.90	$ 0.81
Shares of common stock issued (in shares)	11,759	4,667	188,909	168,842

BASIS OF PRESENTATION

BASIS OF PRESENTATION	9 Months Ended
	Sep. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
BASIS OF PRESENTATION	BASIS OF PRESENTATION The interim unaudited consolidated financial statements contained herein should be read in conjunction with the audited consolidated financial statements and accompanying notes to the consolidated financial statements for the fiscal year ended December 31, 2022, included in the Annual Report on Form 10-K of Heartland Financial USA, Inc. ("HTLF") filed with the Securities and Exchange Commission ("SEC") on February 23, 2023 . Foot note disclosures to the interim unaudited consolidated financial statements which would substantially duplicate the disclosure contained in the footnotes to the audited consolidated financial statements have been omitted. The financial information included herein has been prepared in accordance with U.S. generally accepted accounting principles for interim financial reporting and has been prepared pursuant to the rules and regulations for reporting on Form 10-Q and Rule 10-01 of Regulation S-X. Such information reflects all adjustments (consisting of normal recurring adjustments), that are, in the opinion of management, necessary for a fair presentation of the financial position and results of operations for the periods presented. The results of the interim period ended September 30, 2023, are not necessarily indicative of the results expected for the year ending December 31, 2023. During the first quarter of 2023, HTLF reclassified swap and loan syndication income (collectively, "capital markets fees") to capital markets fees from other noninterest income on the consolidated statements of income, and all prior periods have been adjusted. During the second quarter of 2023, HTLF reclassified Federal Deposit Insurance Corporation ("FDIC") insurance premiums to FDIC insurance assessments from professional fees on the consolidated statements of income, and all prior periods have been adjusted. In the second quarter of 2023, HTLF amended and restated its Certificate of Incorporation and filed Certificates of Elimination with the state of Delaware with respect to Series A, B, C, and D preferred stock issuances, which returned these previously designated shares to authorized but unissued. The following shows the details of Series A, B, C and D preferred stock at December 31, 2022: • Series A Junior Participating preferred stock-par value $1 per share; authorized 16,000 shares; none issued or outstanding at December 31, 2022 • Series B Fixed Rate Cumulative Perpetual Preferred Stock-par value $1 per share; 81,698 shares authorized at December 31, 2022; none issued or outstanding at December 31, 2022 • Series C Senior Non-Cumulative Perpetual Preferred Stock-par value $1 per share; 81,698 shares authorized at December 31, 2022; none issued or outstanding at December 31, 2022 • Series D Senior Non-Cumulative Perpetual Convertible Preferred Stock-par value $1 per share; 3,000 shares authorized at December 31, 2022; none issued or outstanding at December 31, 2022 After the cancellation of Series A, B, C and D preferred shares, total undesignated preferred shares authorized increased to 188,500 from 6,104 at December 31, 2022, of which none were issued or outstanding at both September 30, 2023 and December 31, 2022. Earnings Per Share Basic earnings per share is determined using net income available to common stockholders and weighted average common shares outstanding. Diluted earnings per share is computed by dividing net income available to common stockholders by the weighted average common shares and assumed incremental common shares issued. Amounts used in the determination of basic and diluted earnings per share for the three- and nine- months ended September 30, 2023 and 2022, are shown in the table below, dollars and number of shares in thousands, except per share data: Three Months Ended 2023 2022 Net income $ 48,091 $ 56,564 Preferred dividends (2,013) (2,013) Net income available to common stockholders $ 46,078 $ 54,551 Weighted average common shares outstanding for basic earnings per share 42,761 42,575 Assumed incremental common shares issued upon vesting of outstanding restricted stock units 52 69 Weighted average common shares for diluted earnings per share 42,813 42,644 Earnings per common share — basic $ 1.08 $ 1.28 Earnings per common share — diluted $ 1.08 $ 1.28 Number of antidilutive common stock equivalents excluded from diluted earnings per share computation 204 4 Number of antidilutive stock options excluded from diluted earnings per share computation 58 — Nine Months Ended 2023 2022 Net income $ 150,283 $ 151,526 Preferred dividends (6,038) (6,038) Net income available to stockholders $ 144,245 $ 145,488 Weighted average common shares outstanding for basic earnings per share 42,681 42,471 Assumed incremental common shares issued upon vesting of outstanding restricted stock units 89 125 Weighted average common shares for diluted earnings per share 42,770 42,596 Earnings per common share — basic $ 3.38 $ 3.43 Earnings per common share — diluted $ 3.37 $ 3.42 Number of antidilutive common stock equivalents excluded from diluted earnings per share computation 107 8 Number of antidilutive stock options excluded from diluted earnings per share computation 62 — Subsequent Events - HTLF has evaluated subsequent events that may require recognition or disclosure through the filing date of this Quarterly Report on Form 10-Q with the SEC. Subsequent to September 30, 2023, in late October and early November, in responses to changes in interest rates, HTLF sold investment securities with a combined yield of approximately 2.48% in a series of sale transactions, resulting in proceeds totaling approximately $667.9 million and a pre-tax loss of approximately $103.5 million or approximately $77.7 million after tax. Effect of New Financial Accounting Standards ASU 2022-01 In March 2022, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2022-01, "Derivatives and Hedging (Topic 815): Fair Value Hedging-Portfolio Layer Method," which expands the current last-of-layer method by allowing multiple hedged layers to be designated for a single closed portfolio of financial assets or one or more beneficial interests secured by a portfolio of financial instruments. HTLF adopted this ASU on January 1, 2023, and these amendments were applied prospectively. ASU 2022-02 In March 2022, the FASB issued ASU 2022-02, " Financial Instruments-Credit Losses (Topic 326): Troubled Debt Restructurings and Vintage Disclosures." These amendments eliminate the troubled debt restructurings ("TDR") recognition and measurement guidance and require instead that an entity evaluate (consistent with the accounting for other loan modifications) whether the modification represents a new loan or a continuation of an existing loan. The amendments also enhance existing disclosure requirements and introduce new requirements related to certain modifications of receivables made to borrowers experiencing financial difficulty. These amendments also require that an entity disclose current-period gross charge-offs by year of origination for loans receivable within the scope of Subtopic 326-20. The guidance was effective for entities that have adopted ASU 2016-13 for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years. HTLF adopted this ASU on January 1, 2023, as required, and these amendments were applied prospectively. ASU 2023-02 In March 2023, the FASB issued ASU 2023-02 " Investments-Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method (a consensus of the Emerging Issues Task Force)." ASU 2023-02 expands the permitted use of the proportional amortization method, which is currently only available to low-income housing tax credit investments, to other tax equity investments if certain conditions are met. Under the proportional amortization method, the initial cost of an investment is amortized in proportion to the income tax benefits received and both the amortization of the investment and the income tax benefits received are recognized as a component of income tax expense. This ASU is effective on January 1, 2024 and may be applied on either a modified retrospective or retrospective basis or, for certain changes, on a prospective basis, and early adoption is permitted. The amendments in this ASU are not expected to have a material impact on the results of operations or financial position. ASU 2023-06 In October 2023, the FASB issued ASU 2023-06, "Disclosure Improvements: Codification Amendments in Response to the SEC's Disclosure Update and Simplification Initiative."

SECURITIES

SECURITIES	9 Months Ended
	Sep. 30, 2023
Investments, Debt and Equity Securities [Abstract]
SECURITIES	SECURITIES The amortized cost, gross unrealized gains and losses, and estimated fair values of debt securities available for sale and equity securities with a readily determinable fair value that are carried at fair value as of September 30, 2023, and December 31, 2022, are summarized in the table below, in thousands: Amortized Gross Gross Estimated September 30, 2023 U.S. treasuries $ 32,436 $ — $ (631) $ 31,805 U.S. agencies 48,022 — (6,918) 41,104 Obligations of states and political subdivisions 982,570 — (207,883) 774,687 Mortgage-backed securities - agency 1,910,725 48 (316,378) 1,594,395 Mortgage-backed securities - non-agency 2,058,422 20 (163,362) 1,895,080 Commercial mortgage-backed securities - agency 98,497 — (17,053) 81,444 Commercial mortgage-backed securities - non-agency 621,163 — (18,730) 602,433 Asset-backed securities 397,410 — (13,031) 384,379 Corporate bonds 59,197 — (2,675) 56,522 Total debt securities 6,208,442 68 (746,661) 5,461,849 Equity securities with a readily determinable fair value 20,838 — — 20,838 Total $ 6,229,280 $ 68 $ (746,661) $ 5,482,687 December 31, 2022 U.S. treasuries $ 32,369 $ 8 $ (678) $ 31,699 U.S. agencies 49,437 — (6,302) 43,135 Obligations of states and political subdivisions 1,049,578 14 (170,155) 879,437 Mortgage-backed securities - agency 2,042,092 56 (270,043) 1,772,105 Mortgage-backed securities - non-agency 2,327,308 1,417 (146,849) 2,181,876 Commercial mortgage-backed securities - agency 100,518 — (15,395) 85,123 Commercial mortgage-backed securities - non-agency 679,511 — (20,052) 659,459 Asset-backed securities 428,397 — (12,343) 416,054 Corporate bonds 59,205 — (1,263) 57,942 Total debt securities 6,768,415 1,495 (643,080) 6,126,830 Equity securities with a readily determinable fair value 20,314 — — 20,314 Total $ 6,788,729 $ 1,495 $ (643,080) $ 6,147,144 The amortized cost, gross unrealized gains and losses and estimated fair values of held to maturity securities as of September 30, 2023, and December 31, 2022, are summarized in the table below, in thousands: Amortized Gross Gross Estimated September 30, 2023 Obligations of states and political subdivisions $ 835,468 $ 1,307 (78,149) $ 758,626 Total $ 835,468 $ 1,307 $ (78,149) $ 758,626 December 31, 2022 Obligations of states and political subdivisions $ 829,403 $ 3,096 $ (55,942) $ 776,557 Total $ 829,403 $ 3,096 $ (55,942) $ 776,557 As of September 30, 2023, and December 31, 2022, HTLF had $30.1 million and $33.0 million, respectively, of accrued interest receivable, which is included in other assets on the consolidated balance sheets. HTLF does not consider accrued interest receivable in the carrying amount of financial assets held at amortized cost basis or in the allowance for credit losses calculation. The amortized cost and estimated fair value of investment securities carried at fair value at September 30, 2023, by contractual maturity, are as follows, in thousands. Expected maturities will differ from contractual maturities because issuers may have the right to call or prepay obligations with or without penalties. September 30, 2023 Amortized Cost Estimated Fair Value Due in 1 year or less $ 22,124 $ 21,736 Due in 1 to 5 years 65,617 63,728 Due in 5 to 10 years 49,120 39,808 Due after 10 years 985,364 778,846 Total debt securities 1,122,225 904,118 Mortgage and asset-backed securities 5,086,217 4,557,731 Equity securities with a readily determinable fair value 20,838 20,838 Total investment securities $ 6,229,280 $ 5,482,687 The amortized cost and estimated fair value of debt securities held to maturity at September 30, 2023, by contractual maturity, are as follows, in thousands. Expected maturities will differ from contractual maturities because issuers may have the right to call or prepay obligations with or without penalties. September 30, 2023 Amortized Cost Estimated Fair Value Due in 1 year or less $ 5,584 $ 5,573 Due in 1 to 5 years 86,908 85,469 Due in 5 to 10 years 156,899 147,931 Due after 10 years 586,077 519,653 Total debt securities $ 835,468 $ 758,626 As of September 30, 2023, and December 31, 2022, securities with a carrying value of $2.66 billion and $1.49 billion, respectively, were pledged to secure public and trust deposits, short-term borrowings and for other purposes as required or permitted by law. Gross gains and losses realized related to the sales of securities carried at fair value for the three and nine months ended September 30, 2023 and 2022, are summarized as follows, in thousands: Three Months Ended Nine Months Ended 2023 2022 2023 2022 Proceeds from sales $ 44,457 $ 57,610 $ 331,196 $ 1,031,521 Gross security gains 803 — 1,286 7,298 Gross security losses 744 1,070 2,656 9,018 The following table summarizes, in thousands, the amount of unrealized losses, defined as the amount by which cost or amortized cost exceeds fair value, and the related fair value of investments with unrealized losses in the securities portfolio as of September 30, 2023, and December 31, 2022. The investments were segregated into two categories: those that have been in a continuous unrealized loss position for less than 12 months and those that have been in a continuous unrealized loss position for 12 months or more. The reference point for determining how long an investment was in an unrealized loss position w as September 30, 2022, and December 31, 2021 , respectively. Debt securities available for sale Less than 12 months 12 months or longer Total Fair Unrealized Count Fair Unrealized Count Fair Unrealized Count September 30, 2023 U.S. treasuries $ 5,917 $ (72) 2 $ 25,888 $ (559) 3 $ 31,805 $ (631) 5 U.S. agencies — — — 41,104 (6,918) 6 41,104 (6,918) 6 Obligations of states and political subdivisions 3,360 (470) 4 771,031 (207,413) 163 774,391 (207,883) 167 Mortgage-backed securities - agency 1,958 (62) 11 1,591,796 (316,316) 215 1,593,754 (316,378) 226 Mortgage-backed securities - non-agency 488,800 (41,299) 14 1,282,494 (122,063) 43 1,771,294 (163,362) 57 Commercial mortgage-backed securities - agency — — — 81,444 (17,053) 19 81,444 (17,053) 19 Commercial mortgage-backed securities - non-agency 9,695 (344) 1 584,871 (18,386) 17 594,566 (18,730) 18 Asset-backed securities — — — 139,217 (13,031) 11 139,217 (13,031) 11 Corporate bonds 48,634 (1,365) 1 7,888 (1,310) 7 56,522 (2,675) 8 Total temporarily impaired securities $ 558,364 $ (43,612) 33 $ 4,525,733 $ (703,049) 484 $ 5,084,097 $ (746,661) 517 December 31, 2022 U.S. treasuries $ 28,699 $ (678) 4 $ — $ — — $ 28,699 $ (678) 4 U.S. agencies 16,487 (222) 5 26,648 (6,080) 2 43,135 (6,302) 7 Obligations of states and political subdivisions 288,457 (28,378) 69 589,641 (141,777) 113 878,098 (170,155) 182 Mortgage-backed securities - agency 241,288 (21,420) 99 1,528,951 (248,623) 126 1,770,239 (270,043) 225 Mortgage-backed securities - non-agency 950,054 (70,213) 25 693,531 (76,636) 25 1,643,585 (146,849) 50 Commercial mortgage-backed securities - agency 27,732 (2,291) 12 57,392 (13,104) 7 85,124 (15,395) 19 Commercial mortgage-backed securities - non-agency 530,541 (16,830) 15 84,619 (3,222) 4 615,160 (20,052) 19 Asset-backed securities 118,613 (6,107) 7 56,621 (6,236) 6 175,234 (12,343) 13 Corporate bonds 57,544 (1,257) 7 398 (6) 1 57,942 (1,263) 8 Total temporarily impaired securities $ 2,259,415 $ (147,396) 243 $ 3,037,801 $ (495,684) 284 $ 5,297,216 $ (643,080) 527 Securities held to maturity Less than 12 months 12 months or longer Total Fair Unrealized Count Fair Unrealized Count Fair Unrealized Count September 30, 2023 Obligations of states and political subdivisions $ 164,348 $ (14,240) 38 $ 531,005 $ (63,909) 129 $ 695,353 $ (78,149) 167 Total temporarily impaired securities $ 164,348 (14,240) 38 $ 531,005 $ (63,909) 129 $ 695,353 (78,149) 167 December 31, 2022 Obligations of states and political subdivisions $ 697,424 $ (55,942) 155 $ — $ — — $ 697,424 $ (55,942) 155 Total temporarily impaired securities $ 697,424 $ (55,942) 155 $ — $ — — $ 697,424 $ (55,942) 155 HTLF reviews each security in the investment securities portfolio on a quarterly basis for potential credit losses, taking into consideration numerous factors, and the relative significance of any single factor can vary by security. Some factors HTLF may consider include changes in security ratings, financial condition of the issuer, and security and industry specific economic conditions. With regard to debt securities, HTLF may also evaluate payment structure, whether there are defaulted payments or expected defaults, prepayment speeds and the value of any underlying collateral. For certain debt securities in unrealized loss positions, HTLF prepares cash flow analyses to compare the present value of cash flows expected to be collected from the security with the amortized cost basis of the security. The unrealized losses on HTLF's commercial mortgage, mortgage and asset-backed securities are the result of changes in market interest rates or widening of market spreads subsequent to HTLF's purchase of the securities. The losses are not related to concerns regarding the underlying credit of the issuers or the underlying collateral. It is expected that the securities will not be settled at a price less than the amortized cost of the investment. Because the decline in fair value is attributable to changes in interest rates or widening market spreads and not credit quality, and because, as of September 30, 2023, HTLF has the intent and ability to hold these investments until a market price recovery or to maturity and does not believe it will be required to sell the securities before maturity, no credit losses were recognized on these securities during the three and nine months ended September 30, 2023 and 2022. The unrealized losses on HTLF's obligations of states and political subdivisions available for sale are the result of changes in market interest rates or widening of market spreads subsequent to the initial purchase of the securities. Management monitors the published credit ratings of these securities and the stability of the underlying municipalities. Because the declines in fair value are attributable to changes in interest rates or widening market spreads due to insurance company downgrades and not underlying credit quality, and because, as of September 30, 2023, HTLF has the intent and ability to hold these investments until a market price recovery or to maturity and does not believe it will be required to sell the securities before maturity, no credit losses were recognized on these securities during the three and nine months ended September 30, 2023 and 2022. Based on HTLF's credit loss methodology applicable to held to maturity debt securities, no allowance for credit losses was required at both September 30, 2023, and December 31, 2022. The following table summarizes, in thousands, the carrying amount of HTLF's held to maturity debt securities by investment rating as of September 30, 2023, and December 31, 2022, which are updated quarterly and used to monitor the credit quality of the securities: September 30, 2023 December 31, 2022 Rating AAA $ 88,254 $ 79,598 AA, AA+, AA- 583,188 588,354 A+, A, A- 138,885 136,624 BBB 20,113 20,623 Not Rated 5,028 4,204 Total $ 835,468 $ 829,403 Included in other investments were shares of stock in each Federal Home Loan Bank (the "FHLB") of which each of its Banks is a member at an amortized cost of $24.9 million at September 30, 2023, and $12.3 million at December 31, 2022. The HTLF banks are required by federal law to maintain FHLB stock as members of the various FHLBs. These equity securities are "restricted" in that they can only be sold back to the respective institutions from which they were acquired or another member institution at par. Therefore, the FHLB stock is less liquid than other marketable equity securities, and the fair value approximates amortized cost. HTLF considers its FHLB stock as a long-term investment that provides access to competitive products and liquidity. HTLF evaluates impairment in these investments based on the ultimate recoverability of the par value and, at September 30, 2023, and December 31, 2022, did not consider the investments to be impaired.

LOANS

LOANS	9 Months Ended
	Sep. 30, 2023
Receivables [Abstract]
LOANS	LOANS Loans as of September 30, 2023, and December 31, 2022, were as follows, in thousands: September 30, 2023 December 31, 2022 Loans receivable held to maturity: Commercial and industrial $ 3,591,809 $ 3,464,414 Paycheck Protection Program ("PPP") 3,750 11,025 Owner occupied commercial real estate 2,429,659 2,265,307 Non-owner occupied commercial real estate 2,656,358 2,330,940 Real estate construction 1,029,554 1,076,082 Agricultural and agricultural real estate 842,116 920,510 Residential real estate 813,803 853,361 Consumer 505,387 506,713 Total loans receivable held to maturity 11,872,436 11,428,352 Allowance for credit losses (110,208) (109,483) Loans receivable, net $ 11,762,228 $ 11,318,869 As of September 30, 2023, and December 31, 2022, HTLF had $61.3 million and $49.1 million, respectively, of accrued interest receivable, which is included in other assets on the consolidated balance sheets. HTLF does not consider accrued interest receivable in the allowance for credit losses calculation. The following table shows the balance in the allowance for credit losses at September 30, 2023, and December 31, 2022, and the related loan balances, disaggregated on the basis of measurement methodology, in thousands. If a loan no longer shares similar risk characteristics with other loans in the pool, it is evaluated on an individual basis and is not included in the collective evaluation. Lending relationships on nonaccrual with $500,000 or more of total exposure are individually assessed using a collateral dependency calculation. All other loans are collectively evaluated for losses. Allowance For Credit Losses Gross Loans Receivable Held to Maturity Individually Evaluated for Credit Losses Collectively Evaluated for Credit Losses Total Loans Individually Evaluated for Credit Losses Loans Collectively Evaluated for Credit Losses Total September 30, 2023 Commercial and industrial $ 6,712 $ 21,584 $ 28,296 $ 15,242 $ 3,576,567 $ 3,591,809 PPP — — — — 3,750 3,750 Owner occupied commercial real estate — 14,674 14,674 4,411 2,425,248 2,429,659 Non-owner occupied commercial real estate 257 17,027 17,284 6,580 2,649,778 2,656,358 Real estate construction — 28,979 28,979 910 1,028,644 1,029,554 Agricultural and agricultural real estate 2,021 2,383 4,404 6,964 835,152 842,116 Residential real estate — 7,107 7,107 2,216 811,587 813,803 Consumer — 9,464 9,464 — 505,387 505,387 Total $ 8,990 $ 101,218 $ 110,208 $ 36,323 $ 11,836,113 $ 11,872,436 December 31, 2022 Commercial and industrial $ 6,670 $ 22,401 $ 29,071 $ 18,712 $ 3,445,702 $ 3,464,414 PPP — — — — 11,025 11,025 Owner occupied commercial real estate 376 13,572 13,948 7,932 2,257,375 2,265,307 Non-owner occupied commercial real estate — 16,539 16,539 11,371 2,319,569 2,330,940 Real estate construction — 29,998 29,998 1,518 1,074,564 1,076,082 Agricultural and agricultural real estate 63 2,571 2,634 3,851 916,659 920,510 Residential real estate — 7,711 7,711 1,607 851,754 853,361 Consumer — 9,582 9,582 — 506,713 506,713 Total $ 7,109 $ 102,374 $ 109,483 $ 44,991 $ 11,383,361 $ 11,428,352 The following tables show the amortized cost basis as of September 30, 2023, of the loans modified during the three and nine months ended September 30, 2023, to borrowers experiencing financial difficulty by loan category and type of concession granted, dollars in thousands. For the Three Months Ended September 30, 2023 Loan Modifications Made to Borrowers Term Extension Term Extension and Amortized % of Loan Amortized % of Loan Commercial $ — — % $ — — % Owner occupied commercial real estate — — — — Real estate construction — — — — Agricultural and agricultural real estate 1,992 0.24 — — Residential real estate — — — — Total $ 1,992 0.02 % $ — — % For the Nine Months Ended September 30, 2023 Loan Modifications Made to Borrowers Term Extension Term Extension and Amortized % of Loan Amortized % of Loan Commercial $ 4,233 0.12 % $ — — % Owner occupied commercial real estate — — 5,043 0.21 Real estate construction 1,453 0.14 — — Agricultural and agricultural real estate 3,546 0.42 — — Residential real estate 741 0.09 — — Total $ 9,973 0.08 % $ 5,043 0.04 % The following table describes the financial effect of the modifications made to borrowers experiencing financial difficulty in the nine months ending September 30, 2023. Loan Type Weighted Average Weighted Average Term Extension Commercial and industrial 8 0 Owner occupied commercial real estate 0 12 Real estate construction 6 0 Agricultural and agricultural real estate 11 0 Residential real estate 12 0 At September 30, 2023, there were $98,000 in unfunded commitments to extend credit to the borrowers experiencing financial difficulty. HTLF had no loans to borrowers experiencing financial difficulty that had a payment default during the three months and nine months ended September 30, 2023, that had been modified in the twelve-month period prior to the default. HTLF closely monitors the performance of the loans that are modified to borrowers experiencing financial difficulty to understand the effectiveness of its modification efforts. The following table shows the performance of loans that have been modified in the nine months ended September 30, 2023, dollars in thousands. Accruing Loans 30-59 60-89 90 Days or Total Past Due Current Nonaccrual September 30, 2023 Commercial and industrial $ — $ — $ — $ — $ 4,233 $ — Owner occupied commercial real estate — — — — 5,043 — Real estate construction — — — — — 1,453 Agricultural and agricultural real estate — — — — 3,546 — Residential real estate — — — — — 741 Total $ — $ — $ — $ — $ 12,822 $ 2,194 HTLF's internal rating system is a series of grades reflecting management's credit risk assessment, based on its analysis of the borrower's financial condition. The "pass" category consists of all loans that are not in the "nonpass" category and consists of a range of loan grades that reflect increasing, though still acceptable, risk. Movement of risk through the various grade levels in the pass category is monitored for early identification of credit deterioration and risk rating migration analysis. The "nonpass" category consists of watch, substandard, doubtful and loss rated loans. The "watch" rating is attached to loans where the borrower exhibits negative trends in financial circumstances due to borrower specific or systemic conditions that, if left uncorrected, threaten the borrower's capacity to meet its debt obligations. The borrower is believed to have sufficient financial flexibility to react to and resolve its negative financial situation. These credits are closely monitored for improvement or deterioration. The "substandard" rating is assigned to loans that are inadequately protected by the current net worth and repaying capacity of the borrower and that may be further at risk due to deterioration in the value of collateral pledged. Well-defined weaknesses jeopardize liquidation of the debt. These loans are still considered collectible; however, a distinct possibility exists that HTLF will sustain some loss if deficiencies are not corrected. Substandard loans may exhibit some or all of the following weaknesses: deteriorating financial trends, insufficient earnings, inadequate debt service capacity, excessive debt and/or lack of liquidity. The "doubtful" rating is assigned to loans where identified weaknesses in the borrowers' ability to repay these loans make collection or liquidation in full, on the basis of existing facts, conditions and values, highly questionable and improbable. These borrowers are usually in default, lack liquidity, capital, and the resources necessary to remain as an operating entity. Specific pending events, such as capital injections, liquidations or perfection of liens on additional collateral, may strengthen the credit, thus deferring the rating of the loan as "loss" until the exact status of the loan can be determined. The "loss" rating is assigned to loans considered uncollectible. HTLF had no loans classified as "loss" or "doubtful" as of September 30, 2023, and December 31, 2022. The following table shows the risk category of loans by loan category, year of origination and charge-offs as of September 30, 2023, in thousands: As of September 30, 2023 Amortized Cost Basis of Term Loans by Year of Origination 2023 2022 2021 2020 2019 2018 and Prior Revolving Total Commercial and industrial Pass $ 371,612 $ 844,387 $ 359,961 $ 207,736 $ 86,378 $ 331,567 $ 1,232,550 $ 3,434,191 Watch 4,078 23,685 253 3,266 3,200 10,002 26,000 70,484 Substandard 18,954 12,849 4,005 6,025 18,761 7,971 18,569 87,134 Commercial and industrial total $ 394,644 $ 880,921 $ 364,219 $ 217,027 $ 108,339 $ 349,540 $ 1,277,119 $ 3,591,809 Commercial and industrial charge-offs $ — $ 567 $ 196 $ 1,414 $ 554 $ 1,938 $ 1,812 $ 6,481 PPP Pass $ — $ — $ 2,968 $ 59 $ — $ — $ — $ 3,027 Watch — — 636 — — — — 636 Substandard — — 87 — — — — 87 PPP total $ — $ — $ 3,691 $ 59 $ — $ — $ — $ 3,750 PPP charge-offs $ — $ — $ — $ — $ — $ — $ — $ — As of September 30, 2023 Amortized Cost Basis of Term Loans by Year of Origination 2023 2022 2021 2020 2019 2018 and Prior Revolving Total Owner occupied commercial real estate Pass $ 283,766 $ 501,294 $ 770,707 $ 228,578 $ 242,952 $ 236,637 $ 43,522 $ 2,307,456 Watch 15,369 11,034 15,380 2,690 10,724 6,661 — 61,858 Substandard 23,354 12,824 3,479 12,050 4,132 4,506 — 60,345 Owner occupied commercial real estate total $ 322,489 $ 525,152 $ 789,566 $ 243,318 $ 257,808 $ 247,804 $ 43,522 $ 2,429,659 Owner occupied commercial real estate charge-offs $ — $ — $ — $ 5 $ — $ 14 $ — $ 19 Non-owner occupied commercial real estate Pass $ 479,766 $ 743,063 $ 480,475 $ 219,733 $ 242,084 $ 276,518 $ 43,226 $ 2,484,865 Watch 28,925 3,673 437 2,412 27,620 51,230 — 114,297 Substandard — 6,697 690 652 14,816 34,341 — 57,196 Non-owner occupied commercial real estate total $ 508,691 $ 753,433 $ 481,602 $ 222,797 $ 284,520 $ 362,089 $ 43,226 $ 2,656,358 Non-owner occupied commercial real estate charge-offs $ — $ 62 $ — $ 29 $ 398 $ 147 $ — $ 636 Real estate construction Pass $ 207,371 $ 529,810 $ 207,672 $ 35,069 $ 11,885 $ 3,834 $ 8,438 $ 1,004,079 Watch — 12,808 1,823 74 — 100 — 14,805 Substandard 394 9,275 665 336 — — — 10,670 Real estate construction total $ 207,765 $ 551,893 $ 210,160 $ 35,479 $ 11,885 $ 3,934 $ 8,438 $ 1,029,554 Real estate construction charge-offs $ — $ — $ — $ — $ — $ — $ — $ — Agricultural and agricultural real estate Pass $ 130,711 $ 231,769 $ 119,184 $ 68,386 $ 29,310 $ 49,609 $ 178,635 $ 807,604 Watch 2,626 359 740 2,033 150 438 2,292 8,638 Substandard 1,496 7,635 1,770 35 912 13,454 572 25,874 Agricultural and agricultural real estate total $ 134,833 $ 239,763 $ 121,694 $ 70,454 $ 30,372 $ 63,501 $ 181,499 $ 842,116 Agricultural and agricultural real estate charge-offs $ — $ — $ — $ 9 $ — $ 1 $ 5,309 $ 5,319 Residential real estate Pass $ 60,769 $ 183,291 $ 247,584 $ 75,960 $ 44,007 $ 166,554 $ 18,715 $ 796,880 Watch 63 1,479 1,666 614 674 4,194 — 8,690 Substandard 741 — 2,728 768 265 3,332 399 8,233 Residential real estate total $ 61,573 $ 184,770 $ 251,978 $ 77,342 $ 44,946 $ 174,080 $ 19,114 $ 813,803 Residential real estate charge-offs $ — $ 59 $ — $ — $ — $ — $ — $ 59 Consumer Pass $ 41,649 $ 66,162 $ 38,254 $ 9,007 $ 4,167 $ 14,394 $ 325,015 $ 498,648 Watch 618 91 710 26 44 430 1,582 3,501 Substandard 2 282 320 69 145 2,039 381 3,238 Consumer total $ 42,269 $ 66,535 $ 39,284 $ 9,102 $ 4,356 $ 16,863 $ 326,978 $ 505,387 Consumer charge-offs $ — $ 210 $ 112 $ 23 $ 18 $ 27 $ 2,824 $ 3,214 Total Pass $ 1,575,644 $ 3,099,776 $ 2,226,805 $ 844,528 $ 660,783 $ 1,079,113 $ 1,850,101 $ 11,336,750 Total Watch 51,679 53,129 21,645 11,115 42,412 73,055 29,874 282,909 Total Substandard 44,941 49,562 13,744 19,935 39,031 65,643 19,921 252,777 Total Loans $ 1,672,264 $ 3,202,467 $ 2,262,194 $ 875,578 $ 742,226 $ 1,217,811 $ 1,899,896 $ 11,872,436 Total Charge-offs $ — $ 898 $ 308 $ 1,480 $ 970 $ 2,127 $ 9,945 $ 15,728 The following table shows the risk category of loans by loan category and year of origination as of December 31, 2022, in thousands. As of December 31, 2022 Amortized Cost Basis of Term Loans by Year of Origination 2022 2021 2020 2019 2018 2017 and Prior Revolving Total Commercial and industrial Pass $ 967,103 $ 442,001 $ 260,021 $ 101,998 $ 57,776 $ 421,312 $ 1,064,333 $ 3,314,544 Watch 12,638 1,370 685 5,487 2,882 3,315 21,984 48,361 Substandard 6,691 14,366 9,369 22,171 5,546 6,758 36,608 101,509 Commercial and industrial total $ 986,432 $ 457,737 $ 270,075 $ 129,656 $ 66,204 $ 431,385 $ 1,122,925 $ 3,464,414 PPP Pass $ — $ 7,807 $ 526 $ — $ — $ — $ — $ 8,333 Watch — 7 — — — — — 7 Substandard — 2,685 — — — — — 2,685 PPP total $ — $ 10,499 $ 526 $ — $ — $ — $ — $ 11,025 Owner occupied commercial real estate Pass $ 511,547 $ 781,946 $ 255,476 $ 266,228 $ 103,943 $ 179,503 $ 34,117 $ 2,132,760 Watch 22,079 3,410 12,346 8,520 3,645 11,899 — 61,899 Substandard 2,971 23,802 26,490 6,358 2,574 7,353 1,100 70,648 Owner occupied commercial real estate total $ 536,597 $ 809,158 $ 294,312 $ 281,106 $ 110,162 $ 198,755 $ 35,217 $ 2,265,307 Non-owner occupied commercial real estate Pass $ 756,059 $ 515,075 $ 227,383 $ 261,964 $ 127,400 $ 210,289 $ 70,398 $ 2,168,568 Watch 8,131 792 2,849 38,218 38,510 16,180 547 105,227 Substandard 202 6,784 1,838 16,019 22,332 9,970 — 57,145 Non-owner occupied commercial real estate total $ 764,392 $ 522,651 $ 232,070 $ 316,201 $ 188,242 $ 236,439 $ 70,945 $ 2,330,940 Real estate construction Pass $ 597,370 $ 328,391 $ 88,660 $ 21,221 $ 2,568 $ 6,274 $ 8,252 $ 1,052,736 Watch 665 16,218 1,257 — — 122 — 18,262 Substandard 2,587 356 173 446 1,478 44 — 5,084 Real estate construction total $ 600,622 $ 344,965 $ 90,090 $ 21,667 $ 4,046 $ 6,440 $ 8,252 $ 1,076,082 Agricultural and agricultural real estate Pass $ 324,791 $ 140,252 $ 79,307 $ 34,447 $ 22,600 $ 38,672 $ 239,686 $ 879,755 Watch 3,795 515 3,865 641 444 672 902 10,834 Substandard 8,674 3,224 204 1,859 12,323 2,682 955 29,921 Agricultural and agricultural real estate total $ 337,260 $ 143,991 $ 83,376 $ 36,947 $ 35,367 $ 42,026 $ 241,543 $ 920,510 Residential real estate Pass $ 189,133 $ 268,561 $ 64,627 $ 39,468 $ 34,863 $ 217,489 $ 23,331 $ 837,472 Watch 706 1,095 88 957 2,296 2,237 399 7,778 Substandard 28 1,273 1,024 99 792 4,895 — 8,111 Residential real estate total $ 189,867 $ 270,929 $ 65,739 $ 40,524 $ 37,951 $ 224,621 $ 23,730 $ 853,361 Consumer Pass $ 80,592 $ 47,787 $ 11,722 $ 6,022 $ 4,840 $ 24,655 $ 325,247 $ 500,865 Watch 20 191 35 119 74 1,584 953 2,976 Substandard 188 331 242 303 75 1,539 194 2,872 Consumer total $ 80,800 $ 48,309 $ 11,999 $ 6,444 $ 4,989 $ 27,778 $ 326,394 $ 506,713 Total Pass $ 3,426,595 $ 2,531,820 $ 987,722 $ 731,348 $ 353,990 $ 1,098,194 $ 1,765,364 $ 10,895,033 Total Watch 48,034 23,598 21,125 53,942 47,851 36,009 24,785 255,344 Total Substandard 21,341 52,821 39,340 47,255 45,120 33,241 38,857 277,975 Total Loans $ 3,495,970 $ 2,608,239 $ 1,048,187 $ 832,545 $ 446,961 $ 1,167,444 $ 1,829,006 $ 11,428,352 Included in the nonpass loans at September 30, 2023, and December 31, 2022, were $723,000 and $2.7 million, respectively, of nonpass PPP loans as a result of risk ratings on non-PPP related credits. HTLF's risk rating methodology assigns a risk rating to the whole lending relationship. HTLF has no allowance recorded related to the PPP loans because of the 100% government guarantee through the United States Small Business Administration. Changes in credit risk are monitored on a continuous basis as part of relationship management, and changes in risk ratings are made when credit quality improves or deteriorates in accordance with HTLF's credit risk rating framework. All individually assessed loans are reviewed at least annually. As of September 30, 2023, HTLF had $63,000 of loans secured by residential real estate property that were in the process of foreclosure. The following table sets forth information regarding accruing and nonaccrual loans at September 30, 2023, and December 31, 2022, in thousands: Accruing Loans 30-59 60-89 90 Days or Total Current Nonaccrual Total Loans September 30, 2023 Commercial and industrial $ 2,736 $ 653 $ 152 $ 3,541 $ 3,568,215 $ 20,053 $ 3,591,809 PPP 597 35 20 652 3,098 — 3,750 Owner occupied commercial real estate 707 — 318 1,025 2,422,914 5,720 2,429,659 Non-owner occupied commercial real estate 125 — — 125 2,649,460 6,773 2,656,358 Real estate construction 4,752 — — 4,752 1,022,040 2,762 1,029,554 Agricultural and agricultural real estate — 12 — 12 832,609 9,495 842,116 Residential real estate 1,310 777 21 2,108 806,638 5,057 813,803 Consumer 1,933 179 — 2,112 501,831 1,444 505,387 Total gross loans receivable held to maturity $ 12,160 $ 1,656 $ 511 $ 14,327 $ 11,806,805 $ 51,304 $ 11,872,436 December 31, 2022 Commercial and industrial $ 1,099 $ 356 $ 131 $ 1,586 $ 3,440,062 $ 22,766 $ 3,464,414 PPP — — — — 11,006 19 11,025 Owner occupied commercial real estate 12 127 — 139 2,256,365 8,803 2,265,307 Non-owner occupied commercial real estate — — — — 2,319,282 11,658 2,330,940 Real estate construction 16 28 — 44 1,073,687 2,351 1,076,082 Agricultural and agricultural real estate 48 — 142 190 914,088 6,232 920,510 Residential real estate 1,206 152 — 1,358 846,739 5,264 853,361 Consumer 1,526 196 — 1,722 503,853 1,138 506,713 Total gross loans receivable held to maturity $ 3,907 $ 859 $ 273 $ 5,039 $ 11,365,082 $ 58,231 $ 11,428,352 Loans delinquent 30 to 89 days as a percent of total loans were 0.12% at September 30, 2023, compared to 0.04% at December 31, 2022. HTLF recognized $0 of interest income on nonaccrual loans during the three and nine months ended September 30, 2023 and September 30, 2022. As of September 30, 2023, and December 31, 2022, HTLF had $17.4 million and $26.7 million of nonaccrual loans with no related allowance, respectively.

ALLOWANCE FOR CREDIT LOSSES

ALLOWANCE FOR CREDIT LOSSES	9 Months Ended
	Sep. 30, 2023
Loans and Leases Receivable Disclosure [Abstract]
ALLOWANCE FOR CREDIT LOSSES	ALLOWANCE FOR CREDIT LOSSES Changes in the allowance for credit losses on loans for the three- and nine- months ended September 30, 2023, and September 30, 2022, were as follows, in thousands: Commercial Owner Occupied Commercial Non-Owner Occupied Commercial Real Estate Real Estate Agricultural and Agricultural Residential Consumer Total Balance at June 30, 2023 $ 29,396 $ 14,709 $ 17,976 $ 28,246 $ 3,511 $ 7,644 $ 9,716 $ 111,198 Charge-offs (1,344) — (607) — (10) — (2,003) (3,964) Recoveries 167 1 — 7 — — 127 302 Provision (benefit) 77 (36) (85) 726 903 (537) 1,624 2,672 Balance at September 30, 2023 $ 28,296 $ 14,674 $ 17,284 $ 28,979 $ 4,404 $ 7,107 $ 9,464 $ 110,208 Commercial Owner Occupied Commercial Non-Owner Occupied Commercial Real Estate Real Estate Agricultural and Agricultural Residential Consumer Total Balance at December 31, 2022 $ 29,071 $ 13,948 $ 16,539 $ 29,998 $ 2,634 $ 7,711 $ 9,582 $ 109,483 Charge-offs (6,481) (19) (636) — (5,319) (59) (3,214) (15,728) Recoveries 2,007 113 — 26 11 19 1,592 3,768 Provision (benefit) 3,699 632 1,381 (1,045) 7,078 (564) 1,504 12,685 Balance at September 30, 2023 $ 28,296 $ 14,674 $ 17,284 $ 28,979 $ 4,404 $ 7,107 $ 9,464 $ 110,208 Commercial Owner Occupied Commercial Non-Owner Occupied Commercial Real Estate Real Estate Agricultural and Agricultural Residential Consumer Total Balance at June 30, 2022 $ 27,668 $ 17,658 $ 15,738 $ 19,391 $ 2,948 $ 8,571 $ 9,379 $ 101,353 Charge-offs (385) — — (35) (34) (1) (483) (938) Recoveries 506 — 20 3 76 — 307 912 Provision (benefit) 2,474 (686) (949) 4,911 (423) (1,144) 205 4,388 Balance at September 30, 2022 $ 30,263 $ 16,972 $ 14,809 $ 24,270 $ 2,567 $ 7,426 $ 9,408 $ 105,715 Commercial Owner Occupied Commercial Non-Owner Occupied Commercial Real Estate Real Estate Agricultural and Agricultural Residential Consumer Total Balance at December 31, 2021 $ 27,738 $ 19,214 $ 17,908 $ 22,538 $ 5,213 $ 8,427 $ 9,050 $ 110,088 Charge-offs (5,528) — (322) (35) (3,163) (138) (6,442) (15,628) Recoveries 1,157 40 53 12 653 — 779 2,694 Provision (benefit) 6,896 (2,282) (2,830) 1,755 (136) (863) 6,021 8,561 Balance at September 30, 2022 $ 30,263 $ 16,972 $ 14,809 $ 24,270 $ 2,567 $ 7,426 $ 9,408 $ 105,715 Management allocates the allowance for credit losses by pools of risk within each loan portfolio. The total allowance for credit losses is available to absorb losses from any segment of the loan portfolio. Changes in the allowance for credit losses for unfunded commitments for the three and nine months ended September 30, 2023, and September 30, 2022, were as follows: For the Three Months Ended September 30, 2023 2022 Balance at June 30, $ 18,636 $ 17,780 Provision (benefit) (1,156) 1,104 Balance at September 30, $ 17,480 $ 18,884 For the Nine Months Ended September 30, 2023 2022 Balance at December 31, $ 20,196 $ 15,462 Provision (benefit) (2,716) 3,422 Balance at September 30, $ 17,480 $ 18,884

GOODWILL, CORE DEPOSIT PREMIUM

GOODWILL, CORE DEPOSIT PREMIUM AND OTHER INTANGIBLE ASSETS	9 Months Ended
	Sep. 30, 2023
Goodwill and Intangible Assets Disclosure [Abstract]
GOODWILL, CORE DEPOSIT PREMIUM AND OTHER INTANGIBLE ASSETS	GOODWILL, CORE DEPOSIT PREMIUM AND OTHER INTANGIBLE ASSETS HTLF had goodwill of $576.0 million at both September 30, 2023, and December 31, 2022. HTLF conducts its annual internal assessment of the goodwill both at the consolidated level and at its subsidiaries in the fourth quarter of every year as of September 30. The sustained decline in HTLF's stock price, which management deemed to be a triggering event, caused management to perform a quantitative impairment test on its goodwill in the second quarter of 2023. Management concluded that none of the goodwill at any of HTLF's reporting units was impaired. The gross carrying amount of other intangible assets, which consisted of core deposit intangibles and mortgage servicing rights, and the associated accumulated amortization at September 30, 2023, and December 31, 2022, are presented in the table below, in thousands: September 30, 2023 December 31, 2022 Gross Accumulated Net Gross Accumulated Net Amortizing intangible assets: Core deposit intangibles $ 101,185 $ 81,159 $ 20,026 $ 101,185 $ 76,031 $ 25,154 Mortgage servicing rights — — — 13,700 5,860 7,840 Total $ 101,185 $ 81,159 $ 20,026 $ 114,885 $ 81,891 $ 32,994 The following table shows the estimated future amortization expense for amortizable intangible assets, in thousands: Core Deposit Intangibles Three months ending December 31, 2023 $ 1,611 Year ending December 31, 2024 5,591 2025 4,700 2026 3,533 2027 2,601 2028 1,287 Thereafter 703 Total $ 20,026 On March 31, 2023, First Bank & Trust, a division of HTLF Bank, closed on the sale of its mortgage servicing rights portfolio, which contained loans with an unpaid principal balance of $698.5 million, to two unrelated third-parties. The transaction qualified as a sale, and $7.7 million of mortgage servicing rights were de-recognized on the consolidated balance sheet as of March 31, 2023. Cash of approximately $6.7 million was received on March 31, 2023, and an estimated loss of $203,000 was recorded. A receivable of approximately $580,000 was recorded in other assets on the consolidated balance sheet as of March 31, 2023, due to the timing of the servicing transfer per the terms of the sale agreement. First Bank & Trust provided interim servicing of the loans until the transfer date, which was May 1, 2023. The following table summarizes, in thousands, the changes in mortgage servicing rights for the nine months ended September 30, 2023, and September 30, 2022: 2023 2022 Balance at January 1, $ 7,840 $ 6,412 Originations 24 1,218 Amortization (210) (909) Sale of mortgage servicing rights (7,654) — Valuation adjustment — 1,658 Balance at period end $ — $ 8,379 Mortgage servicing rights, net to servicing portfolio — % 1.14 % The following table summarizes, in thousands, the book value, the fair value of each tranche of the mortgage servicing rights and any recorded valuation allowance at December 31, 2022. Book Value 15-Year Tranche Fair Value 15-Year Tranche Valuation Allowance Book Value 30-Year Tranche Fair Value 30-Year Tranche Valuation Allowance December 31, 2022 $ 1,388 $ 1,388 $ — $ 6,452 $ 6,452 $ —

DERIVATIVE FINANCIAL INSTRUMENT

DERIVATIVE FINANCIAL INSTRUMENTS	9 Months Ended
	Sep. 30, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]
DERIVATIVE FINANCIAL INSTRUMENTS	DERIVATIVE FINANCIAL INSTRUMENTS HTLF considers and uses derivative financial instruments as part of its interest rate risk management strategy, which may include interest rate swaps, fair value hedges, risk participation agreements, caps, floors, collars, and certain interest rate lock commitments and forward sales of securities related to mortgage banking activities. HTLF's current strategy includes the use of interest rate swaps, interest rate lock commitments and forward sales of mortgage securities. In addition, HTLF facilitates back-to-back loan swaps to assist customers in managing their interest rate risk while executing offsetting interest rate swaps with dealer counterparties. HTLF's objectives are to add stability to its net interest margin and to manage its exposure to movements in interest rates. The contract or notional amount of a derivative is used to determine, along with the other terms of the derivative, the amounts to be exchanged between the counterparties. HTLF is exposed to credit risk in the event of nonperformance by counterparties to financial instruments. HTLF minimizes this risk by entering into derivative contracts with counterparties that meet HTLF’s credit standards, and the contracts contain collateral provisions protecting the at-risk party. HTLF has not experienced any losses from nonperformance by these counterparties. HTLF monitors counterparty risk in accordance with the provisions of ASC 815. HTLF was required to post $587,000 of collateral at September 30, 2023, compared to $793,000 as of December 31, 2022, related to derivative financial instruments. HTLF's counterparties were required to pledge $179.4 million at September 30, 2023, compared to $45.1 million at December 31, 2022. HTLF's derivative and hedging instruments are recorded at fair value on the consolidated balance sheets. See Note 7, "Fair Value," for additional fair value information and disclosures. Cash Flow Hedges In 2021, two interest rate swap transactions were terminated, and the debt was converted to variable rate subordinated debentures. For the next twelve months, HTLF estimates cash payments and reclassification from accumulated other comprehensive income (loss) to interest expense related to the terminated swaps will total $411,000. In the first quarter of 2023, HTLF terminated its interest rate swap agreement, which effectively converted $500.0 million of variable rate loans to fixed rate loans. For the next twelve months, HTLF estimates cash payments and reclassification from accumulated other comprehensive income (loss) to interest expense will total $985,000. HTLF had no derivative instruments designated as cash flow hedges at September 30, 2023. The table below identifies the balance sheet category and fair value of HTLF's derivative instrument designated as a cash flow hedge at December 31, 2022, in thousands: Notional Amount Fair Value Balance Sheet Category December 31, 2022 Interest rate swap $ 500,000 $ 13 Other Assets The table below identifies the gains and losses recognized on HTLF's terminated derivative instruments designated as cash flow hedges for the three and nine months ended September 30, 2023, and September 30, 2022, in thousands: Recognized in OCI Reclassified from AOCI into Income Amount of Gain (Loss) Category Amount of Gain (Loss) Three Months Ended September 30, 2023 Interest rate swap $ — Interest income $ 63 Nine Months Ended September 30, 2023 Interest rate swap $ 1,952 Interest income $ (638) Three Months Ended September 30, 2022 Interest rate swap $ — Interest income $ — Nine Months Ended September 30, 2022 Interest rate swap $ — Interest income $ — Fair Value Hedges HTLF uses interest rate swaps to convert certain long term fixed rate loans to floating rates to hedge interest rate risk exposure. HTLF also uses interest rate swaps to mitigate the risk of changes in the fair market value of certain municipal and mortgage-backed securities. The changes in the fair values of derivatives that have been designated and qualify for fair value hedge accounting are recorded in the same line item in the consolidated statements of income as the changes in the fair value of the hedged items attributable to the risk being hedged. HTLF uses statistical regression to assess hedge effectiveness, both at the inception of the hedge as well as on a continual basis. The regression analysis involves regressing the periodic change in the fair value of the hedging instrument against the periodic changes in the fair value of the asset being hedged due to changes in the hedge risk. During 2023, HTLF entered into interest rate swaps designated as fair value hedges with initial notional amounts totaling $838.1 million primarily designed to provide protection for unrealized securities losses against the impact of higher mid-to-long term interest rates. HTLF also executed interest rate swaps designated as a fair value hedges with total original notional amounts of $2.5 billion to convert certain long-term fixed rate loans to floating rates to hedge interest rate risk exposure using the portfolio layer method, which allows HTLF to designate as the hedged item a stated amount of the assets that are not expected to be affected by prepayments, defaults and other factors that would affect the timing and amount of cash flow. The table below identifies the fair value of the interest rate swaps designated as fair value hedges and the balance sheet category of the interest rate swaps as of September 30, 2023 and December 31, 2022, in thousands: Fair Value Balance Sheet Category September 30, 2023 Interest rate swaps-loans receivable held to maturity $ 24,998 Other assets Interest rate swaps-securities carried at fair value 66,853 Other assets December 31, 2022 Interest rate swaps-loans receivable held to maturity 54 Other assets The table below identifies the carrying amount of the hedged assets and cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged assets that are designated as fair value hedge accounting relationships at September 30, 2023, and December 31, 2022, in thousands: Location in the consolidated Carrying Amount of Cumulative Amount of Fair Value September 30, 2023 Interest rate swap Loans receivable held to maturity $ 2,476,983 $ (23,707) Interest rate swap Securities carried at fair value 729,528 (64,820) December 31, 2022 Interest rate swap Loans receivable held to maturity $ 1,185 $ (54) The table below identifies the net impact to interest income recognized on HTLF's fair value hedges specific to the fair value remeasurements and the income statement classification where it is recorded in comparison to the total amount of interest income presented on the consolidated statements of income for the three- and nine- months ended September 30, 2023, and September 30, 2022, in thousands: Three Months Ended Nine Months Ended 2023 2022 2023 2022 Gain (loss) recognized in interest income and fees on loans $ (375) $ 5 $ (371) $ 44 Total amount of interest and fees on loans 182,394 122,913 505,136 334,000 Gain (loss) recognized in interest income on securities-taxable (1,126) — (1,052) — Total amount of interest on securities-taxable 54,800 45,648 168,948 116,366 The table below identifies the effect of fair value hedge accounting on the consolidated statements of income, in thousands: Three Months Ended Nine Months Ended 2023 2022 2023 2022 Hedged item (loans receivable held to maturity) $ (11,144) $ (34) $ (24,026) $ (117) Hedged item (securities carried at fair value) (36,362) — (65,872) — Derivatives designated as hedging instruments on loans receivable held to maturity 10,769 39 23,655 161 Derivatives designated as hedging instruments on securities carried at fair value 35,236 — 64,820 — Embedded Derivatives HTLF has fixed rate loans with embedded derivatives. These loans contain terms that affect the cash flows or value of the loan similar to a derivative instrument, and therefore are considered to contain an embedded derivative. The embedded derivatives are bifurcated from the loans because the terms of the derivative instrument are not clearly and closely related to the loans. The embedded derivatives are recorded at fair value on the consolidated balance sheets as a part of other assets, and changes in the fair value are a component of noninterest income. The table below identifies the notional amount, fair value and balance sheet category of the embedded derivatives at September 30, 2023, and December 31, 2022, in thousands: Notional Amount Fair Value Balance Sheet Category September 30, 2023 Embedded derivatives $ 4,185 $ 109 Other assets December 31, 2022 Embedded derivatives $ 6,028 $ 135 Other assets The table below identifies the gains and losses recognized on HTLF's embedded derivatives for the three- and nine- months ended September 30, 2023, and September 30, 2022, in thousands: Three Months Ended Nine Months Ended 2023 2022 2023 2022 Gain (loss) recognized in other noninterest income on embedded derivatives $ (9) $ 121 $ (26) $ 446 Back-to-Back Loan Swaps HTLF has loan interest rate swap relationships with customers to assist them in managing their interest rate risk. Upon entering into these loan swaps, HTLF enters into offsetting positions with counterparties in order to minimize interest rate risk to HTLF. These back-to-back loan swaps qualify as free standing financial derivatives with the fair values reported in other assets and other liabilities on the consolidated balance sheets. Any gains and losses on these back-to-back swaps are recorded in noninterest income on the consolidated statements of income, and for the three and nine months ended September 30, 2023, and September 30, 2022, no gain or loss was recognized. HTLF recognized $1.6 million and $6.7 million in fee income for the three and nine months ended September 30, 2023, respectively, compared to $1.3 million and $5.8 million for the three and nine months ended September 30, 2022, respectively. The table below identifies the balance sheet category and fair values of the derivative instruments designated as loan swaps at September 30, 2023, and December 31, 2022, in thousands: Notional Fair Balance Sheet September 30, 2023 Customer interest rate swaps $ 1,500,715 $ 75,965 Other assets Customer interest rate swaps 1,500,715 (75,965) Other liabilities December 31, 2022 Customer interest rate swaps $ 819,662 $ 46,091 Other assets Customer interest rate swaps 819,662 (46,091) Other liabilities Other Free Standing Derivatives HTLF has entered into interest rate lock commitments to originate residential mortgage loans held for sale and forward commitments to sell residential mortgage loans and mortgage backed securities that are considered derivative instruments. HTLF enters into forward commitments for the future delivery of residential mortgage loans when interest rate lock commitments are entered into and to economically hedge the effect of future changes in interest rates on the commitments to fund the loans as well as on residential mortgage loans available for sale. The fair value of these commitments is recorded on the consolidated balance sheets, with the changes in fair value recorded in the consolidated statements of income as a component of gains on sale of loans held for sale. These derivative contracts are designated as free standing derivative contracts and are not designated against specific assets and liabilities on the consolidated balance sheets or forecasted transactions and therefore do not qualify for hedge accounting treatment. HTLF was required to pledge no collateral at both September 30, 2023, and December 31, 2022. HTLF's counterparties were required to pledge no collateral at both September 30, 2023, and December 31, 2022, as collateral for these forward commitments. HTLF acquired undesignated interest rate swaps in 2015. These swaps were entered into primarily for the benefit of customers seeking to manage their interest rate risk and are not designated against specific assets or liabilities on the consolidated balance sheets or forecasted transactions and therefore do not qualify for hedge accounting in accordance with ASC 815. These swaps are carried at fair value on the consolidated balance sheets as a component of other liabilities, with changes in the fair value recorded as a component of other noninterest income. The table below identifies the balance sheet category and fair values of HTLF's other free standing derivative instruments not designated as hedging instruments at September 30, 2023, and December 31, 2022, in thousands: Balance Sheet Category Notional Amount Fair Value September 30, 2023 Interest rate lock commitments (mortgage) Other assets $ 4,000 $ 99 Forward commitments Other assets 7,500 41 Forward commitments Other liabilities 1,750 (5) Undesignated interest rate swaps Other liabilities 4,185 (109) December 31, 2022 Interest rate lock commitments (mortgage) Other assets $ 9,340 $ 174 Forward commitments Other assets 6,400 47 Forward commitments Other liabilities 5,750 (99) Undesignated interest rate swaps Other liabilities 6,028 (135) HTLF recognizes gains and losses on other free standing derivatives in two separate income statement categories. Interest rate lock commitments and forward commitments are recognized in net gains on sale of loans held for sale and undesignated interest rate swaps are recognized in other noninterest income. The table below identifies the gains and losses recognized in income on HTLF's other free standing derivative instruments not designated as hedging instruments for the three- and nine- months ended September 30, 2023, and September 30, 2022, in thousands: Three Months Ended Nine Months Ended 2023 2022 2023 2022 Interest rate lock commitments (mortgage) $ (352) $ (1,337) $ (70) $ (2,009) Forward commitments (4) 813 87 881 Undesignated interest rate swaps 9 (121) 26 (446)

FAIR VALUE

FAIR VALUE	9 Months Ended
	Sep. 30, 2023
Fair Value Disclosures [Abstract]
FAIR VALUE	FAIR VALUE HTLF utilizes fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. Securities carried at fair value, which include available for sale, trading securities and equity securities with a readily determinable fair value, and derivatives are recorded in the consolidated balance sheets at fair value on a recurring basis. Additionally, from time to time, HTLF may be required to record at fair value other assets on a nonrecurring basis such as loans held for sale, loans held to maturity and certain other assets including, but not limited to, mortgage servicing rights, commercial servicing rights and other real estate owned. These nonrecurring fair value adjustments typically involve application of the lower of cost or fair value accounting or write-downs of individual assets. Fair Value Hierarchy Under ASC 820, assets and liabilities are grouped at fair value in three levels, based on the markets in which the assets and liabilities are traded and the reliability of the assumptions used to determine fair value. These levels are: Level 1 — Valuation is based upon quoted prices for identical instruments in active markets. Level 2 — Valuation is based upon quoted prices for similar instruments in active markets, or similar instruments in markets that are not active, and model-based valuation techniques for all significant assumptions are observable in the market. Level 3 — Valuation is generated from model-based techniques that use at least one significant assumption not observable in the market. These unobservable assumptions reflect estimates of assumptions that market participants would use in pricing the asset or liability. Valuation techniques include use of option pricing models, discounted cash flow models and similar techniques. The following is a description of valuation methodologies used for assets and liabilities recorded at fair value on a recurring or non-recurring basis. Securities Available for Sale and Held to Maturity Securities available for sale are recorded at fair value on a recurring basis. Securities held to maturity are generally recorded at cost. Fair value measurement is based upon quoted prices, if available. If quoted prices are not available, fair values are measured using independent pricing models or other model-based valuation techniques such as the present value of future cash flows, adjusted for the security's credit rating, prepayment assumptions and other factors such as credit loss assumptions. Level 1 securities include those traded on an active exchange, such as the New York Stock Exchange, as well as U.S. Treasury securities. Level 2 securities include U.S. government and agency securities, mortgage and asset-backed securities and private collateralized mortgage obligations, municipal bonds and corporate debt securities. On a quarterly basis, a secondary independent pricing service is used for the securities portfolio to validate the pricing from HTLF's primary pricing service. Equity Securities with a Readily Determinable Fair Value Equity securities with a readily determinable fair value generally include Community Reinvestment Act mutual funds and are classified as Level 2 due to the infrequent trading of these securities. The fair value is based on the price per share. Loans Held for Sale Loans held for sale are carried at the lower of cost or fair value on an aggregate basis. The fair value of loans held for sale is based on what secondary markets are currently offering for portfolios with similar characteristics. As such, HTLF classifies loans held for sale subjected to nonrecurring fair value adjustments as Level 2. Loans Held to Maturity HTLF does not record loans held to maturity at fair value on a recurring basis. However, from time to time, certain loans are considered collateral dependent and an allowance for credit losses is established. The fair value of individually assessed loans is measured using the fair value of the collateral. In accordance with ASC 820, individually assessed loans measured at fair value are classified as nonrecurring Level 3 in the fair value hierarchy. Premises, Furniture and Equipment Held for Sale HTLF considers third party appraisals less estimated disposal costs, as well as independent fair value assessments from realtors or persons involved in selling bank premises, furniture and equipment, in determining the fair value of particular properties held for sale. Accordingly, the valuation of premises, furniture and equipment held for sale is subject to significant external and internal judgment. HTLF periodically reviews premises, furniture and equipment held for sale to determine if the fair value of the property, less disposal costs, has declined below its recorded book value and records any adjustments accordingly. Premises, furniture and equipment held for sale are classified as nonrecurring Level 3 in the fair value hierarchy. Mortgage Servicing Rights Mortgage servicing rights assets represent the value associated with servicing residential real estate loans that have been sold to outside investors with servicing retained. The fair value for servicing assets is determined through discounted cash flow analysis and utilizes discount rates, prepayment speeds and delinquency rate assumptions as inputs. All of the assumptions in the discounted cash flow analysis require a significant degree of management estimation and judgment. Mortgage servicing rights are subject to impairment testing. The carrying values of these rights are reviewed quarterly for impairment based upon the calculation of fair value as performed by an outside third party. For purposes of measuring impairment, the rights are stratified into certain risk characteristics including note type and note term. If the valuation model reflects a fair value less than the carrying value, mortgage servicing rights are adjusted to fair value through a valuation allowance. HTLF classifies mortgage servicing rights as nonrecurring with Level 3 measurement inputs. On March 31, 2023, HTLF sold its mortgage servicing rights portfolio. The transaction qualified as a sale, and $7.7 million of mortgage servicing rights were de-recognized on the consolidated balance sheet as of March 31, 2023. The book value and fair value were both $0 as of March 31, 2023. Derivative Financial Instruments HTLF's current interest rate risk strategy includes interest rate swaps. The valuation of these instruments is determined using widely accepted valuation techniques including discounted cash flow analysis on the expected cash flows of each derivative. This analysis reflects the contractual terms of the derivatives, including the period to maturity, and uses observable market-based inputs, including interest rate curves and implied volatilities. To comply with the provisions of ASC 820, HTLF incorporates credit valuation adjustments to appropriately reflect both its own nonperformance risk and the respective counterparty's nonperformance risk in the fair value measurements. In adjusting the fair value of its derivative contracts for the effect of nonperformance risk, HTLF has considered the impact of netting any applicable credit enhancements, such as collateral postings, thresholds, mutual puts, and guarantees. Although HTLF has determined that the majority of the inputs used to value its derivatives fall within Level 2 of the fair value hierarchy, the credit valuation adjustments associated with its derivatives utilize Level 3 inputs, such as estimates of current credit spreads to evaluate the likelihood of default by itself and its counterparties. However, as of September 30, 2023, and December 31, 2022, HTLF has assessed the significance of the impact of the credit valuation adjustments on the overall valuation of its derivative positions and has determined that the credit valuation adjustments are not significant to the overall valuation of its derivatives. As a result, HTLF has determined that its derivative valuations in their entirety are classified in Level 2 of the fair value hierarchy. Interest rate lock commitments HTLF uses an internal valuation model that relies on internally developed inputs to estimate the fair value of its interest rate lock commitments which is based on unobservable inputs that reflect management's assumptions and specific information about each borrower. Interest rate lock commitments are classified in Level 3 of the fair value hierarchy. Forward commitments The fair value of forward commitments are estimated using an internal valuation model, which includes current trade pricing for similar financial instruments in active markets that HTLF has the ability to access and are classified in Level 2 of the fair value hierarchy. Other Real Estate Owned Other real estate owned ("OREO") represents property acquired through foreclosures and settlements of loans. Property acquired is carried at the fair value of the property at the time of acquisition (representing the property's cost basis), plus any acquisition costs, or the estimated fair value of the property, less disposal costs. HTLF considers third party appraisals, as well The table below presents HTLF's assets and liabilities that are measured at fair value on a recurring basis as of September 30, 2023, and December 31, 2022, in thousands, aggregated by the level in the fair value hierarchy within which those measurements fall: Total Fair Value Level 1 Level 2 Level 3 September 30, 2023 Assets Securities available for sale U.S. treasuries $ 31,805 $ 31,805 $ — $ — U.S. agencies 41,104 — 41,104 — Obligations of states and political subdivisions 774,687 — 774,687 — Mortgage-backed securities - agency 1,594,395 — 1,594,395 — Mortgage-backed securities - non-agency 1,895,080 — 1,895,080 — Commercial mortgage-backed securities - agency 81,444 — 81,444 — Commercial mortgage-backed securities - non-agency 602,433 — 602,433 — Asset-backed securities 384,379 — 384,379 — Corporate bonds 56,522 — 56,522 — Equity securities with a readily determinable fair value 20,838 — 20,838 — Derivative financial instruments (1) 167,925 — 167,925 — Interest rate lock commitments 99 — — 99 Forward commitments 41 — 41 — Total assets at fair value $ 5,650,752 $ 31,805 $ 5,618,848 $ 99 Liabilities Derivative financial instruments (2) $ 76,074 $ — $ 76,074 $ — Forward commitments 5 — 5 — Total liabilities at fair value $ 76,079 $ — $ 76,079 $ — December 31, 2022 Assets Securities available for sale U.S. treasuries $ 31,699 $ 31,699 $ — $ — U.S. agencies 43,135 — 43,135 — Obligations of states and political subdivisions 879,437 — 879,437 — Mortgage-backed securities - agency 1,772,105 — 1,772,105 — Mortgage-backed securities - non-agency 2,181,876 — 2,181,876 — Commercial mortgage-backed securities - agency 85,123 — 85,123 — Commercial mortgage-backed securities - non-agency 659,459 — 659,459 — Asset-backed securities 416,054 — 416,054 — Corporate bonds 57,942 — 57,942 — Equity securities with a readily determinable fair value 20,314 — 20,314 — Derivative financial instruments (2) 46,293 — 46,293 — Interest rate lock commitments 174 — — 174 Forward commitments 47 — 47 — Total assets at fair value $ 6,193,658 $ 31,699 $ 6,161,785 $ 174 Liabilities Derivative financial instruments (1) $ 46,226 $ — $ 46,226 $ — Forward commitments 99 — 99 — Total liabilities at fair value $ 46,325 $ — $ 46,325 $ — (1) Includes interest rate swaps, embedded derivatives and back-to-back loan swaps. (2) Includes back-to-back loan swaps and free standing derivatives. The tables below present HTLF's assets that are measured at fair value on a nonrecurring basis, in thousands: Fair Value Measurements at September 30, 2023 Total Quoted Prices in Significant Other Significant Year-to- Collateral dependent individually assessed loans: Commercial and industrial $ 8,530 $ — $ — $ 8,530 $ 554 Owner occupied commercial real estate 4,411 — — 4,411 — Non-owner occupied commercial real estate 6,323 — — 6,323 — Real estate construction 910 — — 910 — Agricultural and agricultural real estate 4,943 — — 4,943 5,309 Residential real estate 2,216 — — 2,216 — Total collateral dependent individually assessed loans $ 27,333 $ — $ — $ 27,333 $ 5,863 Loans held for sale $ 6,262 $ — $ 6,262 $ — $ (121) Other real estate owned 14,362 — — 14,362 1,010 Premises, furniture and equipment held for sale 2,798 — — 2,798 1,455 Fair Value Measurements at December 31, 2022 Total Quoted Prices in Significant Other Significant Year-to- Collateral dependent individually assessed loans: Commercial and industrial $ 12,042 $ — $ — $ 12,042 $ 4,186 Owner occupied commercial real estate 7,556 — — 7,556 — Non-owner occupied commercial real estate 11,371 — — 11,371 — Real estate construction 1,518 — — 1,518 — Agricultural and agricultural real estate 3,788 — — 3,788 — Residential real estate 1,607 — — 1,607 — Total collateral dependent individually assessed loans $ 37,882 $ — $ — $ 37,882 $ 4,186 Loans held for sale $ 5,277 $ — $ 5,277 $ — $ (116) Other real estate owned 8,401 — — 8,401 180 Premises, furniture and equipment held for sale 6,851 — — 6,851 1,562 Servicing rights 7,840 — — 7,840 516 The following tables present additional quantitative information about assets measured at fair value on a recurring and nonrecurring basis and for which HTLF has utilized Level 3 inputs to determine fair value, in thousands: Fair Value at Valuation Unobservable Range (Weighted Interest rate lock commitments $ 99 Discounted cash flows Closing ratio 0-99% (89%) (1) Other real estate owned 14,362 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Premises, furniture and equipment held for sale 2,798 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Collateral dependent individually assessed loans: Commercial 8,530 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Owner occupied commercial real estate 4,411 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Non-owner occupied commercial real estate 6,323 Modified appraised value Third party appraisal (2) Appraisal discount 0-8% (3) Real estate construction 910 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Agricultural and agricultural real estate 4,943 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Residential real estate 2,216 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) (1) The significant unobservable input used in the fair value measurement is the closing ratio, which represents the percentage of loans currently in a lock position which management estimates will ultimately close. The closing ratio calculation takes into consideration historical data and loan-level data. (2) Third party appraisals are obtained and updated at least annually to establish the value of the underlying asset, but the disclosure of the unobservable inputs used by the appraisers would not be meaningful because the range will vary widely from appraisal to appraisal. (3) Discounts applied to the appraised values primarily include estimated sales costs, but also consider the age of the appraisal, changes in local market conditions and changes in the current condition of the collateral. Fair Value at 12/31/2022 Valuation Unobservable Range (Weighted Average) Interest rate lock commitments $ 174 Discounted cash flows Closing ratio 0-99% (88%) (1) Other real estate owned 8,401 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Servicing rights 7,840 Discounted cash flows Discount rate 9.98 - 11.72% (10.02%) (4) Constant prepayment rate 7.8 - 14.2% (7.9%) (4) Premises, furniture and equipment held for sale 6,851 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Collateral dependent individually assessed loans: Commercial and industrial 12,042 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Owner occupied commercial real estate 7,556 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Non-owner occupied commercial real estate 11,371 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Real estate construction 1,518 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Agricultural and agricultural real estate 3,788 Modified appraised value Third party appraisal (2) Appraisal discount 0-15% (3) Residential real estate 1,607 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) (1) The significant unobservable input used in the fair value measurement is the closing ratio, which represents the percentage of loans currently in a lock position which management estimates will ultimately close. The closing ratio calculation takes into consideration historical data and loan-level data. (2) Third party appraisals are obtained and updated at least annually to establish the value of the underlying asset, but the disclosure of the unobservable inputs used by the appraisers would not be meaningful because the range will vary widely from appraisal to appraisal. (3) Discounts applied to the appraised values primarily include estimated sales costs, but also consider the age of the appraisal, changes in local market conditions and changes in the current condition of the collateral. (4) The significant unobservable input used in the discounted cash flow analysis are the discount rate and constant prepayment rate. The changes in fair value of the interest rate lock commitments, which are Level 3 financial instruments measured on a recurring basis, are summarized in the following table, in thousands: For the Nine Months Ended For the Year Ended Balance at January 1, $ 174 $ 1,306 Total net gains included in earnings (70) (1,828) Issuances 1,678 3,683 Settlements (1,683) (2,987) Balance at period end $ 99 $ 174 Included in gains (losses) on sale of loans held for sale attributable to interest rate lock commitments held at September 30, 2023, and December 31, 2022, were losses of $99,000 and gains of $174,000, respectively. The table below is a summary of the estimated fair value of HTLF's financial instruments (as defined by ASC 825) as of September 30, 2023, and December 31, 2022, in thousands. The carrying amounts in the following tables are recorded in the consolidated balance sheets under the indicated captions. In accordance with ASC 825, the assets and liabilities that are not financial instruments are not included in the disclosure, including the value of mortgage servicing rights, premises, furniture and equipment, premises, furniture and equipment held for sale, OREO, goodwill, and other intangibles and other liabilities. HTLF does not believe that the estimated information presented herein is representative of the earnings power or value of HTLF. The following analysis, which is inherently limited in depicting fair value, also does not consider any value associated with either existing customer relationships or the ability of HTLF to create value through loan origination, deposit gathering or fee generating activities. Many of the estimates presented herein are based upon the use of highly subjective information and assumptions and, accordingly, the results may not be precise. Management believes that fair value estimates may not be comparable between financial institutions due to the wide range of permitted valuation techniques and numerous estimates which must be made. Furthermore, because the disclosed fair value amounts were estimated as of the balance sheet date, the amounts actually realized or paid upon maturity or settlement of the various financial instruments could be significantly different. Fair Value Measurements at September 30, 2023 Carrying Estimated Quoted Prices in Significant Other Significant Financial assets: Cash and cash equivalents $ 347,995 $ 347,995 $ 347,995 $ — $ — Time deposits in other financial institutions 1,490 1,490 1,490 — — Securities: Carried at fair value 5,482,687 5,482,687 31,805 5,450,882 — Held to maturity 835,468 758,626 — 758,626 — Other investments 90,001 90,001 — 90,001 — Loans held for sale 6,262 6,262 — 6,262 — Loans, net: Commercial and industrial 3,563,513 3,371,432 — 3,362,902 8,530 PPP 3,750 3,750 — 3,750 — Owner occupied commercial real estate 2,414,985 2,225,107 — 2,220,696 4,411 Non-owner occupied commercial real estate 2,639,074 2,493,314 — 2,486,991 6,323 Real estate construction 1,000,575 977,316 — 976,406 910 Agricultural and agricultural real estate 837,712 760,022 — 755,079 4,943 Residential real estate 806,696 699,081 — 696,865 2,216 Consumer 495,923 476,515 — 476,515 — Total Loans, net 11,762,228 11,006,537 — 10,979,204 27,333 Cash surrender value on life insurance 196,694 196,694 — 196,694 — Derivative financial instruments (1) 167,925 167,925 — 167,925 — Interest rate lock commitments 99 99 — — 99 Forward commitments 41 41 — 41 — Financial liabilities: Deposits Demand deposits 4,792,813 4,792,813 — 4,792,813 — Savings deposits 8,754,911 8,754,911 — 8,754,911 — Time deposits 3,553,269 3,553,269 — 3,553,269 — Short term borrowings 392,634 392,634 — 392,634 — Other borrowings 372,059 373,681 — 373,681 — Derivative financial instruments (2) 76,074 76,074 — 76,074 — Forward commitments 5 5 — 5 — (1) Includes interest rate swaps, embedded derivatives and back-to-back loan swaps. (2) Includes back-to-back loan swaps and free standing derivative instruments. Fair Value Measurements at Carrying Estimated Quoted Prices in Significant Other Significant Financial assets: Cash and cash equivalents $ 363,087 $ 363,087 $ 363,087 $ — $ — Time deposits in other financial institutions 1,740 1,740 1,740 — — Securities: Carried at fair value 6,147,144 6,147,144 31,699 6,115,445 — Held to maturity 829,403 776,557 — 776,557 — Other investments 74,567 74,567 — 74,567 — Loans held for sale 5,277 5,277 — 5,277 — Loans, net: Commercial and industrial 3,435,343 3,270,127 — 3,258,085 12,042 PPP 11,025 11,025 — 11,025 — Owner occupied commercial real estate 2,251,359 2,084,665 — 2,077,109 7,556 Non-owner occupied commercial real estate 2,314,401 2,184,796 — 2,173,425 11,371 Real estate construction 1,046,084 1,039,244 — 1,037,726 1,518 Agricultural and agricultural real estate 917,876 842,637 — 838,849 3,788 Residential real estate 845,650 741,325 — 739,718 1,607 Consumer 497,131 480,018 — 480,018 — Total Loans, net 11,318,869 10,653,837 — 10,615,955 37,882 Cash surrender value on life insurance 193,403 193,403 — 193,403 — Derivative financial instruments (1) 46,293 46,293 — 46,293 — Interest rate lock commitments 174 174 — — 174 Forward commitments 47 47 — 47 — Financial liabilities: Deposits Demand deposits 5,701,340 5,701,340 — 5,701,340 — Savings deposits 9,994,391 9,994,391 — 9,994,391 — Time deposits 1,817,278 1,817,278 — 1,817,278 — Short term borrowings 376,117 376,117 — 376,117 — Other borrowings 371,753 372,473 — 372,473 — Derivative financial instruments (1) 46,226 46,226 — 46,226 — Forward commitments 99 99 — 99 — (1) Includes interest rate swaps, fair value hedges, embedded derivatives and back-to-back loan swaps. (2) Includes back-to-back loan swaps and undesignated interest rate swaps. Cash and Cash Equivalents — The carrying amount is a reasonable estimate of fair value due to the short-term nature of these instruments. Time Deposits in Other Financial Institutions — The carrying amount is a reasonable estimate of fair value due to the short-term nature of these instruments. Securities — For equity securities with a readily determinable fair value and debt securities either held to maturity, available for sale or trading, fair value equals quoted market price if available. If a quoted market price is not available, fair value is estimated using quoted market prices for similar securities. For Level 3 securities, HTLF utilizes independent pricing provided by third party vendors or brokers. Other Investments — Fair value measurement of other investments, which consists primarily of FHLB stock, are based on their redeemable value, which is at cost due to the restrictions placed on their transferability. The market for these securities is restricted to the issuer of the stock and subject to impairment evaluation. Loans — The fair value of loans is determined using an exit price methodology. The exit price estimation of fair value is based on the present value of the expected cash flows. The projected cash flows are based on the contractual terms of the loans, adjusted for prepayments and a discount rate based on the relative risk of the cash flows. Other considerations include the loan type, remaining life of the loan and credit risk. The fair value of individually assessed or impaired loans is measured using the fair value of the underlying collateral. The fair value of loans held for sale is estimated using quoted market prices. Cash surrender value on life insurance — Life insurance policies are held on certain officers. The carrying value of these policies approximates fair value as it is based on the cash surrender value adjusted for other charges or amounts due that are probable at settlement. As such, HTLF classifies the estimated fair value of the cash surrender value on life insurance as Level 2. Derivative Financial Instruments — The fair value of all derivatives is estimated based on the amount that HTLF would pay or would be paid to terminate the contract or agreement, using current rates and prices, and, when appropriate, the current creditworthiness of the counterparty. Interest Rate Lock Commitments — The fair value of interest rate lock commitments is estimated using an internal valuation model, which includes grouping the interest rate lock commitments by interest rate and terms, applying an estimated closing ratio based on historical experience, and then multiplying by quoted investor prices determined to be reasonably applicable to the loan commitment groups based on interest rate, terms, and rate lock expiration dates of the loan commitment group. Forward Commitments — The fair value of these instruments is estimated using an internal valuation model, which includes current trade pricing for similar financial instruments. Deposits — The fair value of demand deposits, savings accounts and certain money market deposits is the amount payable on demand at the reporting date. The fair value of fixed maturity certificates of deposit is estimated using the rates currently offered for deposits of similar remaining maturities. If the fair value of the fixed maturity certificates of deposit is calculated at less than the carrying amount, the carrying value of these deposits is reported as the fair value. Short-term and Other Borrowings — Rates currently available to HTLF for debt with similar terms and remaining maturities are used to estimate fair value of existing debt. Commitments to Extend Credit, Unused Lines of Credit and Standby Letters of Credit — Based upon management's analysis of the off balance sheet financial instruments, there are no significant unrealized gains or losses associated with these financial instruments based upon review of the fees currently charged to enter into similar agreements, taking into account the remaining terms of the agreements and the present creditworthiness of the counterparties.

STOCK COMPENSATION

STOCK COMPENSATION	9 Months Ended
	Sep. 30, 2023
Share-Based Payment Arrangement [Abstract]
STOCK COMPENSATION	STOCK COMPENSATION Under its 2020 Long-Term Incentive Plan (the "Plan"), HTLF's Compensation and Human Capital Committee, (the "Compensation Committee"), may grant non-qualified and incentive stock options, stock appreciation rights, stock awards, restricted stock, restricted stock units and cash incentive awards. The Plan authorized 1,460,000 shares of common stock for issuance, of which 739,466 shares of common stock were available as of September 30, 2023, for issuance of future awards to employees and directors of, and service providers to, HTLF or its subsidiaries. The cost each award is based upon its fair value estimated on the date of grant and recognized in the consolidated statements of income over the vesting period of the award. The fair market value of restricted stock and restricted stock units is based on the fair value of the underlying shares of common stock on the date of grant. Forfeitures are accounted for as they occur. HTLF's income tax expense included $115,000 of tax expense during the nine months ended September 30, 2023, and a tax benefit of $129,000 during the nine months ended September 30, 2022, related to the exercise, vesting and forfeiture of equity-based awards. Restricted Stock Units The Plan permits the Compensation Committee to grant restricted stock units ("RSUs"). The time-based RSUs are generally granted in the first quarter of each year and represent the right, without payment, to receive shares of HTLF common stock on a specified date in the future. Generally, the time-based RSUs vest over three years in equal installments in March of each of the three years following the year of the grant. The Compensation Committee has also granted three-year performance-based RSUs, generally in the first quarter of each year. These performance-based RSUs will be earned based on satisfaction of performance targets for the three-year performance period as defined in the RSU agreement. These performance-based RSUs or a portion thereof vest after measurement of performance in relation to the performance targets. The time-based RSUs may also vest upon death or disability, upon a change in control or upon a "qualified retirement" (as defined in the RSU agreement), and the three-year performance-based RSUs may also vest to the extent that they are earned upon death, disability, upon a change in control or upon a "qualified retirement" (as defined in the RSU agreement). All of HTLF's RSUs will be settled in common stock upon vesting. Most RSUs granted after March 2023 accrue dividends, which are paid without interest only upon vesting. Dividend equivalents with respect to RSUs forfeited are also forfeited. RSUs granted prior to 2023 are not entitled to dividend equivalents. A summary of the RSUs outstanding as of September 30, 2023, and September 30, 2022, and changes during the nine months ended September 30, 2023 and 2022, follows: 2023 2022 Shares Weighted-Average Grant Date Shares Weighted-Average Grant Date Outstanding at January 1, 424,086 $ 46.15 389,885 $ 44.19 Granted 272,465 45.33 238,495 48.41 Vested (175,313) 41.74 (158,702) 45.04 Forfeited (42,091) 46.25 (27,316) 46.69 Outstanding at September 30, 479,147 $ 47.29 442,362 $ 46.01 Total compensation costs recorded for RSUs were $7.4 million during both the nine months ended September 30, 2023 and 2022. As of September 30, 2023, there were $11.0 million of total unrecognized compensation costs related to the Plan for RSUs that are expected to be recognized through 2026. Stock Options The Plan provides the Compensation Committee the authority to grant stock options. During the year ended December 31, 2022, 64,518 options were granted, and the fair value of the options granted was determined using the Black-Scholes valuation model. The options granted generally vest over the first four years in equal installments on the anniversary date of the grant. The options may also vest upon death, disability, upon a change in control or upon a "qualified retirement" as defined in the stock option agreement. The exercise price of the stock options was established by the Compensation Committee, but the exercise price may not be less than the fair market value of the shares on the date the options are granted. A summary of the status of stock options as of September 30, 2023, and changes during the nine months ended September 30, 2023, is shown in the table below. There were no options outstanding at September 30, 2022. 2023 Shares Weighted Average Outstanding January 1, 64,518 $ 48.79 Granted — — Exercised — — Forfeited (6,452) 48.79 Outstanding at September 30, 58,066 48.79 Options exercisable at September 30, — $ —

Pay vs Performance Disclosure

Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Pay vs Performance Disclosure
Net income	$ 48,091	$ 56,564	$ 150,283	$ 151,526

BASIS OF PRESENTATION (Policies

BASIS OF PRESENTATION (Policies)	9 Months Ended
	Sep. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	The interim unaudited consolidated financial statements contained herein should be read in conjunction with the audited consolidated financial statements and accompanying notes to the consolidated financial statements for the fiscal year ended December 31, 2022, included in the Annual Report on Form 10-K of Heartland Financial USA, Inc. ("HTLF") filed with the Securities and Exchange Commission ("SEC") on February 23, 2023 . Foot note disclosures to the interim unaudited consolidated financial statements which would substantially duplicate the disclosure contained in the footnotes to the audited consolidated financial statements have been omitted. The financial information included herein has been prepared in accordance with U.S. generally accepted accounting principles for interim financial reporting and has been prepared pursuant to the rules and regulations for reporting on Form 10-Q and Rule 10-01 of Regulation S-X. Such information reflects all adjustments (consisting of normal recurring adjustments), that are, in the opinion of management, necessary for a fair presentation of the financial position and results of operations for the periods presented. The results of the interim period ended September 30, 2023, are not necessarily indicative of the results expected for the year ending December 31, 2023. During the first quarter of 2023, HTLF reclassified swap and loan syndication income (collectively, "capital markets fees") to capital markets fees from other noninterest income on the consolidated statements of income, and all prior periods have been adjusted.
Earnings Per Share	Basic earnings per share is determined using net income available to common stockholders and weighted average common shares outstanding. Diluted earnings per share is computed by dividing net income available to common stockholders by the weighted average common shares and assumed incremental common shares issued.
Subsequent Events	HTLF has evaluated subsequent events that may require recognition or disclosure through the filing date of this Quarterly Report on Form 10-Q with the SEC.
Effect of New Financial Accounting Standards	ASU 2022-01 In March 2022, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2022-01, "Derivatives and Hedging (Topic 815): Fair Value Hedging-Portfolio Layer Method," which expands the current last-of-layer method by allowing multiple hedged layers to be designated for a single closed portfolio of financial assets or one or more beneficial interests secured by a portfolio of financial instruments. HTLF adopted this ASU on January 1, 2023, and these amendments were applied prospectively. ASU 2022-02 In March 2022, the FASB issued ASU 2022-02, " Financial Instruments-Credit Losses (Topic 326): Troubled Debt Restructurings and Vintage Disclosures." These amendments eliminate the troubled debt restructurings ("TDR") recognition and measurement guidance and require instead that an entity evaluate (consistent with the accounting for other loan modifications) whether the modification represents a new loan or a continuation of an existing loan. The amendments also enhance existing disclosure requirements and introduce new requirements related to certain modifications of receivables made to borrowers experiencing financial difficulty. These amendments also require that an entity disclose current-period gross charge-offs by year of origination for loans receivable within the scope of Subtopic 326-20. The guidance was effective for entities that have adopted ASU 2016-13 for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years. HTLF adopted this ASU on January 1, 2023, as required, and these amendments were applied prospectively. ASU 2023-02 In March 2023, the FASB issued ASU 2023-02 " Investments-Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method (a consensus of the Emerging Issues Task Force)." ASU 2023-02 expands the permitted use of the proportional amortization method, which is currently only available to low-income housing tax credit investments, to other tax equity investments if certain conditions are met. Under the proportional amortization method, the initial cost of an investment is amortized in proportion to the income tax benefits received and both the amortization of the investment and the income tax benefits received are recognized as a component of income tax expense. This ASU is effective on January 1, 2024 and may be applied on either a modified retrospective or retrospective basis or, for certain changes, on a prospective basis, and early adoption is permitted. The amendments in this ASU are not expected to have a material impact on the results of operations or financial position. ASU 2023-06 In October 2023, the FASB issued ASU 2023-06, "Disclosure Improvements: Codification Amendments in Response to the SEC's Disclosure Update and Simplification Initiative."
Fair Value Hierarchy	Under ASC 820, assets and liabilities are grouped at fair value in three levels, based on the markets in which the assets and liabilities are traded and the reliability of the assumptions used to determine fair value. These levels are: Level 1 — Valuation is based upon quoted prices for identical instruments in active markets. Level 2 — Valuation is based upon quoted prices for similar instruments in active markets, or similar instruments in markets that are not active, and model-based valuation techniques for all significant assumptions are observable in the market. Level 3 — Valuation is generated from model-based techniques that use at least one significant assumption not observable in the market. These unobservable assumptions reflect estimates of assumptions that market participants would use in pricing the asset or liability. Valuation techniques include use of option pricing models, discounted cash flow models and similar techniques. The following is a description of valuation methodologies used for assets and liabilities recorded at fair value on a recurring or non-recurring basis. Securities Available for Sale and Held to Maturity Securities available for sale are recorded at fair value on a recurring basis. Securities held to maturity are generally recorded at cost. Fair value measurement is based upon quoted prices, if available. If quoted prices are not available, fair values are measured using independent pricing models or other model-based valuation techniques such as the present value of future cash flows, adjusted for the security's credit rating, prepayment assumptions and other factors such as credit loss assumptions. Level 1 securities include those traded on an active exchange, such as the New York Stock Exchange, as well as U.S. Treasury securities. Level 2 securities include U.S. government and agency securities, mortgage and asset-backed securities and private collateralized mortgage obligations, municipal bonds and corporate debt securities. On a quarterly basis, a secondary independent pricing service is used for the securities portfolio to validate the pricing from HTLF's primary pricing service. Equity Securities with a Readily Determinable Fair Value Equity securities with a readily determinable fair value generally include Community Reinvestment Act mutual funds and are classified as Level 2 due to the infrequent trading of these securities. The fair value is based on the price per share. Loans Held for Sale Loans held for sale are carried at the lower of cost or fair value on an aggregate basis. The fair value of loans held for sale is based on what secondary markets are currently offering for portfolios with similar characteristics. As such, HTLF classifies loans held for sale subjected to nonrecurring fair value adjustments as Level 2. Loans Held to Maturity HTLF does not record loans held to maturity at fair value on a recurring basis. However, from time to time, certain loans are considered collateral dependent and an allowance for credit losses is established. The fair value of individually assessed loans is measured using the fair value of the collateral. In accordance with ASC 820, individually assessed loans measured at fair value are classified as nonrecurring Level 3 in the fair value hierarchy. Premises, Furniture and Equipment Held for Sale HTLF considers third party appraisals less estimated disposal costs, as well as independent fair value assessments from realtors or persons involved in selling bank premises, furniture and equipment, in determining the fair value of particular properties held for sale. Accordingly, the valuation of premises, furniture and equipment held for sale is subject to significant external and internal judgment. HTLF periodically reviews premises, furniture and equipment held for sale to determine if the fair value of the property, less disposal costs, has declined below its recorded book value and records any adjustments accordingly. Premises, furniture and equipment held for sale are classified as nonrecurring Level 3 in the fair value hierarchy. Mortgage Servicing Rights Mortgage servicing rights assets represent the value associated with servicing residential real estate loans that have been sold to outside investors with servicing retained. The fair value for servicing assets is determined through discounted cash flow analysis and utilizes discount rates, prepayment speeds and delinquency rate assumptions as inputs. All of the assumptions in the discounted cash flow analysis require a significant degree of management estimation and judgment. Mortgage servicing rights are subject to impairment testing. The carrying values of these rights are reviewed quarterly for impairment based upon the calculation of fair value as performed by an outside third party. For purposes of measuring impairment, the rights are stratified into certain risk characteristics including note type and note term. If the valuation model reflects a fair value less than the carrying value, mortgage servicing rights are adjusted to fair value through a valuation allowance. HTLF classifies mortgage servicing rights as nonrecurring with Level 3 measurement inputs. On March 31, 2023, HTLF sold its mortgage servicing rights portfolio. The transaction qualified as a sale, and $7.7 million of mortgage servicing rights were de-recognized on the consolidated balance sheet as of March 31, 2023. The book value and fair value were both $0 as of March 31, 2023. Derivative Financial Instruments HTLF's current interest rate risk strategy includes interest rate swaps. The valuation of these instruments is determined using widely accepted valuation techniques including discounted cash flow analysis on the expected cash flows of each derivative. This analysis reflects the contractual terms of the derivatives, including the period to maturity, and uses observable market-based inputs, including interest rate curves and implied volatilities. To comply with the provisions of ASC 820, HTLF incorporates credit valuation adjustments to appropriately reflect both its own nonperformance risk and the respective counterparty's nonperformance risk in the fair value measurements. In adjusting the fair value of its derivative contracts for the effect of nonperformance risk, HTLF has considered the impact of netting any applicable credit enhancements, such as collateral postings, thresholds, mutual puts, and guarantees. Although HTLF has determined that the majority of the inputs used to value its derivatives fall within Level 2 of the fair value hierarchy, the credit valuation adjustments associated with its derivatives utilize Level 3 inputs, such as estimates of current credit spreads to evaluate the likelihood of default by itself and its counterparties. However, as of September 30, 2023, and December 31, 2022, HTLF has assessed the significance of the impact of the credit valuation adjustments on the overall valuation of its derivative positions and has determined that the credit valuation adjustments are not significant to the overall valuation of its derivatives. As a result, HTLF has determined that its derivative valuations in their entirety are classified in Level 2 of the fair value hierarchy. Interest rate lock commitments HTLF uses an internal valuation model that relies on internally developed inputs to estimate the fair value of its interest rate lock commitments which is based on unobservable inputs that reflect management's assumptions and specific information about each borrower. Interest rate lock commitments are classified in Level 3 of the fair value hierarchy. Forward commitments The fair value of forward commitments are estimated using an internal valuation model, which includes current trade pricing for similar financial instruments in active markets that HTLF has the ability to access and are classified in Level 2 of the fair value hierarchy. Other Real Estate Owned Other real estate owned ("OREO") represents property acquired through foreclosures and settlements of loans. Property acquired is carried at the fair value of the property at the time of acquisition (representing the property's cost basis), plus any acquisition costs, or the estimated fair value of the property, less disposal costs. HTLF considers third party appraisals, as well

BASIS OF PRESENTATION (Tables)

BASIS OF PRESENTATION (Tables)	9 Months Ended
	Sep. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Schedule of Earnings Per Share, Basic and Diluted	Amounts used in the determination of basic and diluted earnings per share for the three- and nine- months ended September 30, 2023 and 2022, are shown in the table below, dollars and number of shares in thousands, except per share data: Three Months Ended 2023 2022 Net income $ 48,091 $ 56,564 Preferred dividends (2,013) (2,013) Net income available to common stockholders $ 46,078 $ 54,551 Weighted average common shares outstanding for basic earnings per share 42,761 42,575 Assumed incremental common shares issued upon vesting of outstanding restricted stock units 52 69 Weighted average common shares for diluted earnings per share 42,813 42,644 Earnings per common share — basic $ 1.08 $ 1.28 Earnings per common share — diluted $ 1.08 $ 1.28 Number of antidilutive common stock equivalents excluded from diluted earnings per share computation 204 4 Number of antidilutive stock options excluded from diluted earnings per share computation 58 — Nine Months Ended 2023 2022 Net income $ 150,283 $ 151,526 Preferred dividends (6,038) (6,038) Net income available to stockholders $ 144,245 $ 145,488 Weighted average common shares outstanding for basic earnings per share 42,681 42,471 Assumed incremental common shares issued upon vesting of outstanding restricted stock units 89 125 Weighted average common shares for diluted earnings per share 42,770 42,596 Earnings per common share — basic $ 3.38 $ 3.43 Earnings per common share — diluted $ 3.37 $ 3.42 Number of antidilutive common stock equivalents excluded from diluted earnings per share computation 107 8 Number of antidilutive stock options excluded from diluted earnings per share computation 62 —

SECURITIES (Tables)

SECURITIES (Tables)	9 Months Ended
	Sep. 30, 2023
Investments, Debt and Equity Securities [Abstract]
Schedule of Available for Sale Securities	The amortized cost, gross unrealized gains and losses, and estimated fair values of debt securities available for sale and equity securities with a readily determinable fair value that are carried at fair value as of September 30, 2023, and December 31, 2022, are summarized in the table below, in thousands: Amortized Gross Gross Estimated September 30, 2023 U.S. treasuries $ 32,436 $ — $ (631) $ 31,805 U.S. agencies 48,022 — (6,918) 41,104 Obligations of states and political subdivisions 982,570 — (207,883) 774,687 Mortgage-backed securities - agency 1,910,725 48 (316,378) 1,594,395 Mortgage-backed securities - non-agency 2,058,422 20 (163,362) 1,895,080 Commercial mortgage-backed securities - agency 98,497 — (17,053) 81,444 Commercial mortgage-backed securities - non-agency 621,163 — (18,730) 602,433 Asset-backed securities 397,410 — (13,031) 384,379 Corporate bonds 59,197 — (2,675) 56,522 Total debt securities 6,208,442 68 (746,661) 5,461,849 Equity securities with a readily determinable fair value 20,838 — — 20,838 Total $ 6,229,280 $ 68 $ (746,661) $ 5,482,687 December 31, 2022 U.S. treasuries $ 32,369 $ 8 $ (678) $ 31,699 U.S. agencies 49,437 — (6,302) 43,135 Obligations of states and political subdivisions 1,049,578 14 (170,155) 879,437 Mortgage-backed securities - agency 2,042,092 56 (270,043) 1,772,105 Mortgage-backed securities - non-agency 2,327,308 1,417 (146,849) 2,181,876 Commercial mortgage-backed securities - agency 100,518 — (15,395) 85,123 Commercial mortgage-backed securities - non-agency 679,511 — (20,052) 659,459 Asset-backed securities 428,397 — (12,343) 416,054 Corporate bonds 59,205 — (1,263) 57,942 Total debt securities 6,768,415 1,495 (643,080) 6,126,830 Equity securities with a readily determinable fair value 20,314 — — 20,314 Total $ 6,788,729 $ 1,495 $ (643,080) $ 6,147,144
Schedule of Held to Maturity Securities	The amortized cost, gross unrealized gains and losses and estimated fair values of held to maturity securities as of September 30, 2023, and December 31, 2022, are summarized in the table below, in thousands: Amortized Gross Gross Estimated September 30, 2023 Obligations of states and political subdivisions $ 835,468 $ 1,307 (78,149) $ 758,626 Total $ 835,468 $ 1,307 $ (78,149) $ 758,626 December 31, 2022 Obligations of states and political subdivisions $ 829,403 $ 3,096 $ (55,942) $ 776,557 Total $ 829,403 $ 3,096 $ (55,942) $ 776,557 Securities held to maturity Less than 12 months 12 months or longer Total Fair Unrealized Count Fair Unrealized Count Fair Unrealized Count September 30, 2023 Obligations of states and political subdivisions $ 164,348 $ (14,240) 38 $ 531,005 $ (63,909) 129 $ 695,353 $ (78,149) 167 Total temporarily impaired securities $ 164,348 (14,240) 38 $ 531,005 $ (63,909) 129 $ 695,353 (78,149) 167 December 31, 2022 Obligations of states and political subdivisions $ 697,424 $ (55,942) 155 $ — $ — — $ 697,424 $ (55,942) 155 Total temporarily impaired securities $ 697,424 $ (55,942) 155 $ — $ — — $ 697,424 $ (55,942) 155
Investments Classified by Contractual Maturity Date	The amortized cost and estimated fair value of investment securities carried at fair value at September 30, 2023, by contractual maturity, are as follows, in thousands. Expected maturities will differ from contractual maturities because issuers may have the right to call or prepay obligations with or without penalties. September 30, 2023 Amortized Cost Estimated Fair Value Due in 1 year or less $ 22,124 $ 21,736 Due in 1 to 5 years 65,617 63,728 Due in 5 to 10 years 49,120 39,808 Due after 10 years 985,364 778,846 Total debt securities 1,122,225 904,118 Mortgage and asset-backed securities 5,086,217 4,557,731 Equity securities with a readily determinable fair value 20,838 20,838 Total investment securities $ 6,229,280 $ 5,482,687 The amortized cost and estimated fair value of debt securities held to maturity at September 30, 2023, by contractual maturity, are as follows, in thousands. Expected maturities will differ from contractual maturities because issuers may have the right to call or prepay obligations with or without penalties. September 30, 2023 Amortized Cost Estimated Fair Value Due in 1 year or less $ 5,584 $ 5,573 Due in 1 to 5 years 86,908 85,469 Due in 5 to 10 years 156,899 147,931 Due after 10 years 586,077 519,653 Total debt securities $ 835,468 $ 758,626
Schedule of Realized Gross Gains (Losses)	Gross gains and losses realized related to the sales of securities carried at fair value for the three and nine months ended September 30, 2023 and 2022, are summarized as follows, in thousands: Three Months Ended Nine Months Ended 2023 2022 2023 2022 Proceeds from sales $ 44,457 $ 57,610 $ 331,196 $ 1,031,521 Gross security gains 803 — 1,286 7,298 Gross security losses 744 1,070 2,656 9,018
Schedule of Debt Securities Available-for-sale	The following table summarizes, in thousands, the amount of unrealized losses, defined as the amount by which cost or amortized cost exceeds fair value, and the related fair value of investments with unrealized losses in the securities portfolio as of September 30, 2023, and December 31, 2022. The investments were segregated into two categories: those that have been in a continuous unrealized loss position for less than 12 months and those that have been in a continuous unrealized loss position for 12 months or more. The reference point for determining how long an investment was in an unrealized loss position w as September 30, 2022, and December 31, 2021 , respectively. Debt securities available for sale Less than 12 months 12 months or longer Total Fair Unrealized Count Fair Unrealized Count Fair Unrealized Count September 30, 2023 U.S. treasuries $ 5,917 $ (72) 2 $ 25,888 $ (559) 3 $ 31,805 $ (631) 5 U.S. agencies — — — 41,104 (6,918) 6 41,104 (6,918) 6 Obligations of states and political subdivisions 3,360 (470) 4 771,031 (207,413) 163 774,391 (207,883) 167 Mortgage-backed securities - agency 1,958 (62) 11 1,591,796 (316,316) 215 1,593,754 (316,378) 226 Mortgage-backed securities - non-agency 488,800 (41,299) 14 1,282,494 (122,063) 43 1,771,294 (163,362) 57 Commercial mortgage-backed securities - agency — — — 81,444 (17,053) 19 81,444 (17,053) 19 Commercial mortgage-backed securities - non-agency 9,695 (344) 1 584,871 (18,386) 17 594,566 (18,730) 18 Asset-backed securities — — — 139,217 (13,031) 11 139,217 (13,031) 11 Corporate bonds 48,634 (1,365) 1 7,888 (1,310) 7 56,522 (2,675) 8 Total temporarily impaired securities $ 558,364 $ (43,612) 33 $ 4,525,733 $ (703,049) 484 $ 5,084,097 $ (746,661) 517 December 31, 2022 U.S. treasuries $ 28,699 $ (678) 4 $ — $ — — $ 28,699 $ (678) 4 U.S. agencies 16,487 (222) 5 26,648 (6,080) 2 43,135 (6,302) 7 Obligations of states and political subdivisions 288,457 (28,378) 69 589,641 (141,777) 113 878,098 (170,155) 182 Mortgage-backed securities - agency 241,288 (21,420) 99 1,528,951 (248,623) 126 1,770,239 (270,043) 225 Mortgage-backed securities - non-agency 950,054 (70,213) 25 693,531 (76,636) 25 1,643,585 (146,849) 50 Commercial mortgage-backed securities - agency 27,732 (2,291) 12 57,392 (13,104) 7 85,124 (15,395) 19 Commercial mortgage-backed securities - non-agency 530,541 (16,830) 15 84,619 (3,222) 4 615,160 (20,052) 19 Asset-backed securities 118,613 (6,107) 7 56,621 (6,236) 6 175,234 (12,343) 13 Corporate bonds 57,544 (1,257) 7 398 (6) 1 57,942 (1,263) 8 Total temporarily impaired securities $ 2,259,415 $ (147,396) 243 $ 3,037,801 $ (495,684) 284 $ 5,297,216 $ (643,080) 527
Schedule of Financing Receivable Credit Quality Indicators	The following table summarizes, in thousands, the carrying amount of HTLF's held to maturity debt securities by investment rating as of September 30, 2023, and December 31, 2022, which are updated quarterly and used to monitor the credit quality of the securities: September 30, 2023 December 31, 2022 Rating AAA $ 88,254 $ 79,598 AA, AA+, AA- 583,188 588,354 A+, A, A- 138,885 136,624 BBB 20,113 20,623 Not Rated 5,028 4,204 Total $ 835,468 $ 829,403 The following table shows the risk category of loans by loan category, year of origination and charge-offs as of September 30, 2023, in thousands: As of September 30, 2023 Amortized Cost Basis of Term Loans by Year of Origination 2023 2022 2021 2020 2019 2018 and Prior Revolving Total Commercial and industrial Pass $ 371,612 $ 844,387 $ 359,961 $ 207,736 $ 86,378 $ 331,567 $ 1,232,550 $ 3,434,191 Watch 4,078 23,685 253 3,266 3,200 10,002 26,000 70,484 Substandard 18,954 12,849 4,005 6,025 18,761 7,971 18,569 87,134 Commercial and industrial total $ 394,644 $ 880,921 $ 364,219 $ 217,027 $ 108,339 $ 349,540 $ 1,277,119 $ 3,591,809 Commercial and industrial charge-offs $ — $ 567 $ 196 $ 1,414 $ 554 $ 1,938 $ 1,812 $ 6,481 PPP Pass $ — $ — $ 2,968 $ 59 $ — $ — $ — $ 3,027 Watch — — 636 — — — — 636 Substandard — — 87 — — — — 87 PPP total $ — $ — $ 3,691 $ 59 $ — $ — $ — $ 3,750 PPP charge-offs $ — $ — $ — $ — $ — $ — $ — $ — As of September 30, 2023 Amortized Cost Basis of Term Loans by Year of Origination 2023 2022 2021 2020 2019 2018 and Prior Revolving Total Owner occupied commercial real estate Pass $ 283,766 $ 501,294 $ 770,707 $ 228,578 $ 242,952 $ 236,637 $ 43,522 $ 2,307,456 Watch 15,369 11,034 15,380 2,690 10,724 6,661 — 61,858 Substandard 23,354 12,824 3,479 12,050 4,132 4,506 — 60,345 Owner occupied commercial real estate total $ 322,489 $ 525,152 $ 789,566 $ 243,318 $ 257,808 $ 247,804 $ 43,522 $ 2,429,659 Owner occupied commercial real estate charge-offs $ — $ — $ — $ 5 $ — $ 14 $ — $ 19 Non-owner occupied commercial real estate Pass $ 479,766 $ 743,063 $ 480,475 $ 219,733 $ 242,084 $ 276,518 $ 43,226 $ 2,484,865 Watch 28,925 3,673 437 2,412 27,620 51,230 — 114,297 Substandard — 6,697 690 652 14,816 34,341 — 57,196 Non-owner occupied commercial real estate total $ 508,691 $ 753,433 $ 481,602 $ 222,797 $ 284,520 $ 362,089 $ 43,226 $ 2,656,358 Non-owner occupied commercial real estate charge-offs $ — $ 62 $ — $ 29 $ 398 $ 147 $ — $ 636 Real estate construction Pass $ 207,371 $ 529,810 $ 207,672 $ 35,069 $ 11,885 $ 3,834 $ 8,438 $ 1,004,079 Watch — 12,808 1,823 74 — 100 — 14,805 Substandard 394 9,275 665 336 — — — 10,670 Real estate construction total $ 207,765 $ 551,893 $ 210,160 $ 35,479 $ 11,885 $ 3,934 $ 8,438 $ 1,029,554 Real estate construction charge-offs $ — $ — $ — $ — $ — $ — $ — $ — Agricultural and agricultural real estate Pass $ 130,711 $ 231,769 $ 119,184 $ 68,386 $ 29,310 $ 49,609 $ 178,635 $ 807,604 Watch 2,626 359 740 2,033 150 438 2,292 8,638 Substandard 1,496 7,635 1,770 35 912 13,454 572 25,874 Agricultural and agricultural real estate total $ 134,833 $ 239,763 $ 121,694 $ 70,454 $ 30,372 $ 63,501 $ 181,499 $ 842,116 Agricultural and agricultural real estate charge-offs $ — $ — $ — $ 9 $ — $ 1 $ 5,309 $ 5,319 Residential real estate Pass $ 60,769 $ 183,291 $ 247,584 $ 75,960 $ 44,007 $ 166,554 $ 18,715 $ 796,880 Watch 63 1,479 1,666 614 674 4,194 — 8,690 Substandard 741 — 2,728 768 265 3,332 399 8,233 Residential real estate total $ 61,573 $ 184,770 $ 251,978 $ 77,342 $ 44,946 $ 174,080 $ 19,114 $ 813,803 Residential real estate charge-offs $ — $ 59 $ — $ — $ — $ — $ — $ 59 Consumer Pass $ 41,649 $ 66,162 $ 38,254 $ 9,007 $ 4,167 $ 14,394 $ 325,015 $ 498,648 Watch 618 91 710 26 44 430 1,582 3,501 Substandard 2 282 320 69 145 2,039 381 3,238 Consumer total $ 42,269 $ 66,535 $ 39,284 $ 9,102 $ 4,356 $ 16,863 $ 326,978 $ 505,387 Consumer charge-offs $ — $ 210 $ 112 $ 23 $ 18 $ 27 $ 2,824 $ 3,214 Total Pass $ 1,575,644 $ 3,099,776 $ 2,226,805 $ 844,528 $ 660,783 $ 1,079,113 $ 1,850,101 $ 11,336,750 Total Watch 51,679 53,129 21,645 11,115 42,412 73,055 29,874 282,909 Total Substandard 44,941 49,562 13,744 19,935 39,031 65,643 19,921 252,777 Total Loans $ 1,672,264 $ 3,202,467 $ 2,262,194 $ 875,578 $ 742,226 $ 1,217,811 $ 1,899,896 $ 11,872,436 Total Charge-offs $ — $ 898 $ 308 $ 1,480 $ 970 $ 2,127 $ 9,945 $ 15,728 The following table shows the risk category of loans by loan category and year of origination as of December 31, 2022, in thousands. As of December 31, 2022 Amortized Cost Basis of Term Loans by Year of Origination 2022 2021 2020 2019 2018 2017 and Prior Revolving Total Commercial and industrial Pass $ 967,103 $ 442,001 $ 260,021 $ 101,998 $ 57,776 $ 421,312 $ 1,064,333 $ 3,314,544 Watch 12,638 1,370 685 5,487 2,882 3,315 21,984 48,361 Substandard 6,691 14,366 9,369 22,171 5,546 6,758 36,608 101,509 Commercial and industrial total $ 986,432 $ 457,737 $ 270,075 $ 129,656 $ 66,204 $ 431,385 $ 1,122,925 $ 3,464,414 PPP Pass $ — $ 7,807 $ 526 $ — $ — $ — $ — $ 8,333 Watch — 7 — — — — — 7 Substandard — 2,685 — — — — — 2,685 PPP total $ — $ 10,499 $ 526 $ — $ — $ — $ — $ 11,025 Owner occupied commercial real estate Pass $ 511,547 $ 781,946 $ 255,476 $ 266,228 $ 103,943 $ 179,503 $ 34,117 $ 2,132,760 Watch 22,079 3,410 12,346 8,520 3,645 11,899 — 61,899 Substandard 2,971 23,802 26,490 6,358 2,574 7,353 1,100 70,648 Owner occupied commercial real estate total $ 536,597 $ 809,158 $ 294,312 $ 281,106 $ 110,162 $ 198,755 $ 35,217 $ 2,265,307 Non-owner occupied commercial real estate Pass $ 756,059 $ 515,075 $ 227,383 $ 261,964 $ 127,400 $ 210,289 $ 70,398 $ 2,168,568 Watch 8,131 792 2,849 38,218 38,510 16,180 547 105,227 Substandard 202 6,784 1,838 16,019 22,332 9,970 — 57,145 Non-owner occupied commercial real estate total $ 764,392 $ 522,651 $ 232,070 $ 316,201 $ 188,242 $ 236,439 $ 70,945 $ 2,330,940 Real estate construction Pass $ 597,370 $ 328,391 $ 88,660 $ 21,221 $ 2,568 $ 6,274 $ 8,252 $ 1,052,736 Watch 665 16,218 1,257 — — 122 — 18,262 Substandard 2,587 356 173 446 1,478 44 — 5,084 Real estate construction total $ 600,622 $ 344,965 $ 90,090 $ 21,667 $ 4,046 $ 6,440 $ 8,252 $ 1,076,082 Agricultural and agricultural real estate Pass $ 324,791 $ 140,252 $ 79,307 $ 34,447 $ 22,600 $ 38,672 $ 239,686 $ 879,755 Watch 3,795 515 3,865 641 444 672 902 10,834 Substandard 8,674 3,224 204 1,859 12,323 2,682 955 29,921 Agricultural and agricultural real estate total $ 337,260 $ 143,991 $ 83,376 $ 36,947 $ 35,367 $ 42,026 $ 241,543 $ 920,510 Residential real estate Pass $ 189,133 $ 268,561 $ 64,627 $ 39,468 $ 34,863 $ 217,489 $ 23,331 $ 837,472 Watch 706 1,095 88 957 2,296 2,237 399 7,778 Substandard 28 1,273 1,024 99 792 4,895 — 8,111 Residential real estate total $ 189,867 $ 270,929 $ 65,739 $ 40,524 $ 37,951 $ 224,621 $ 23,730 $ 853,361 Consumer Pass $ 80,592 $ 47,787 $ 11,722 $ 6,022 $ 4,840 $ 24,655 $ 325,247 $ 500,865 Watch 20 191 35 119 74 1,584 953 2,976 Substandard 188 331 242 303 75 1,539 194 2,872 Consumer total $ 80,800 $ 48,309 $ 11,999 $ 6,444 $ 4,989 $ 27,778 $ 326,394 $ 506,713 Total Pass $ 3,426,595 $ 2,531,820 $ 987,722 $ 731,348 $ 353,990 $ 1,098,194 $ 1,765,364 $ 10,895,033 Total Watch 48,034 23,598 21,125 53,942 47,851 36,009 24,785 255,344 Total Substandard 21,341 52,821 39,340 47,255 45,120 33,241 38,857 277,975 Total Loans $ 3,495,970 $ 2,608,239 $ 1,048,187 $ 832,545 $ 446,961 $ 1,167,444 $ 1,829,006 $ 11,428,352

LOANS (Tables)

LOANS (Tables)	9 Months Ended
	Sep. 30, 2023
Receivables [Abstract]
Schedule of Loans	Loans as of September 30, 2023, and December 31, 2022, were as follows, in thousands: September 30, 2023 December 31, 2022 Loans receivable held to maturity: Commercial and industrial $ 3,591,809 $ 3,464,414 Paycheck Protection Program ("PPP") 3,750 11,025 Owner occupied commercial real estate 2,429,659 2,265,307 Non-owner occupied commercial real estate 2,656,358 2,330,940 Real estate construction 1,029,554 1,076,082 Agricultural and agricultural real estate 842,116 920,510 Residential real estate 813,803 853,361 Consumer 505,387 506,713 Total loans receivable held to maturity 11,872,436 11,428,352 Allowance for credit losses (110,208) (109,483) Loans receivable, net $ 11,762,228 $ 11,318,869
Allowance for Loan and Lease Losses, Based on Impairment Methodology	The following table shows the balance in the allowance for credit losses at September 30, 2023, and December 31, 2022, and the related loan balances, disaggregated on the basis of measurement methodology, in thousands. If a loan no longer shares similar risk characteristics with other loans in the pool, it is evaluated on an individual basis and is not included in the collective evaluation. Lending relationships on nonaccrual with $500,000 or more of total exposure are individually assessed using a collateral dependency calculation. All other loans are collectively evaluated for losses. Allowance For Credit Losses Gross Loans Receivable Held to Maturity Individually Evaluated for Credit Losses Collectively Evaluated for Credit Losses Total Loans Individually Evaluated for Credit Losses Loans Collectively Evaluated for Credit Losses Total September 30, 2023 Commercial and industrial $ 6,712 $ 21,584 $ 28,296 $ 15,242 $ 3,576,567 $ 3,591,809 PPP — — — — 3,750 3,750 Owner occupied commercial real estate — 14,674 14,674 4,411 2,425,248 2,429,659 Non-owner occupied commercial real estate 257 17,027 17,284 6,580 2,649,778 2,656,358 Real estate construction — 28,979 28,979 910 1,028,644 1,029,554 Agricultural and agricultural real estate 2,021 2,383 4,404 6,964 835,152 842,116 Residential real estate — 7,107 7,107 2,216 811,587 813,803 Consumer — 9,464 9,464 — 505,387 505,387 Total $ 8,990 $ 101,218 $ 110,208 $ 36,323 $ 11,836,113 $ 11,872,436 December 31, 2022 Commercial and industrial $ 6,670 $ 22,401 $ 29,071 $ 18,712 $ 3,445,702 $ 3,464,414 PPP — — — — 11,025 11,025 Owner occupied commercial real estate 376 13,572 13,948 7,932 2,257,375 2,265,307 Non-owner occupied commercial real estate — 16,539 16,539 11,371 2,319,569 2,330,940 Real estate construction — 29,998 29,998 1,518 1,074,564 1,076,082 Agricultural and agricultural real estate 63 2,571 2,634 3,851 916,659 920,510 Residential real estate — 7,711 7,711 1,607 851,754 853,361 Consumer — 9,582 9,582 — 506,713 506,713 Total $ 7,109 $ 102,374 $ 109,483 $ 44,991 $ 11,383,361 $ 11,428,352
Financing Receivable, Loan Modification	The following tables show the amortized cost basis as of September 30, 2023, of the loans modified during the three and nine months ended September 30, 2023, to borrowers experiencing financial difficulty by loan category and type of concession granted, dollars in thousands. For the Three Months Ended September 30, 2023 Loan Modifications Made to Borrowers Term Extension Term Extension and Amortized % of Loan Amortized % of Loan Commercial $ — — % $ — — % Owner occupied commercial real estate — — — — Real estate construction — — — — Agricultural and agricultural real estate 1,992 0.24 — — Residential real estate — — — — Total $ 1,992 0.02 % $ — — % For the Nine Months Ended September 30, 2023 Loan Modifications Made to Borrowers Term Extension Term Extension and Amortized % of Loan Amortized % of Loan Commercial $ 4,233 0.12 % $ — — % Owner occupied commercial real estate — — 5,043 0.21 Real estate construction 1,453 0.14 — — Agricultural and agricultural real estate 3,546 0.42 — — Residential real estate 741 0.09 — — Total $ 9,973 0.08 % $ 5,043 0.04 % The following table describes the financial effect of the modifications made to borrowers experiencing financial difficulty in the nine months ending September 30, 2023. Loan Type Weighted Average Weighted Average Term Extension Commercial and industrial 8 0 Owner occupied commercial real estate 0 12 Real estate construction 6 0 Agricultural and agricultural real estate 11 0 Residential real estate 12 0 Accruing Loans 30-59 60-89 90 Days or Total Past Due Current Nonaccrual September 30, 2023 Commercial and industrial $ — $ — $ — $ — $ 4,233 $ — Owner occupied commercial real estate — — — — 5,043 — Real estate construction — — — — — 1,453 Agricultural and agricultural real estate — — — — 3,546 — Residential real estate — — — — — 741 Total $ — $ — $ — $ — $ 12,822 $ 2,194
Schedule of Financing Receivable Credit Quality Indicators	The following table summarizes, in thousands, the carrying amount of HTLF's held to maturity debt securities by investment rating as of September 30, 2023, and December 31, 2022, which are updated quarterly and used to monitor the credit quality of the securities: September 30, 2023 December 31, 2022 Rating AAA $ 88,254 $ 79,598 AA, AA+, AA- 583,188 588,354 A+, A, A- 138,885 136,624 BBB 20,113 20,623 Not Rated 5,028 4,204 Total $ 835,468 $ 829,403 The following table shows the risk category of loans by loan category, year of origination and charge-offs as of September 30, 2023, in thousands: As of September 30, 2023 Amortized Cost Basis of Term Loans by Year of Origination 2023 2022 2021 2020 2019 2018 and Prior Revolving Total Commercial and industrial Pass $ 371,612 $ 844,387 $ 359,961 $ 207,736 $ 86,378 $ 331,567 $ 1,232,550 $ 3,434,191 Watch 4,078 23,685 253 3,266 3,200 10,002 26,000 70,484 Substandard 18,954 12,849 4,005 6,025 18,761 7,971 18,569 87,134 Commercial and industrial total $ 394,644 $ 880,921 $ 364,219 $ 217,027 $ 108,339 $ 349,540 $ 1,277,119 $ 3,591,809 Commercial and industrial charge-offs $ — $ 567 $ 196 $ 1,414 $ 554 $ 1,938 $ 1,812 $ 6,481 PPP Pass $ — $ — $ 2,968 $ 59 $ — $ — $ — $ 3,027 Watch — — 636 — — — — 636 Substandard — — 87 — — — — 87 PPP total $ — $ — $ 3,691 $ 59 $ — $ — $ — $ 3,750 PPP charge-offs $ — $ — $ — $ — $ — $ — $ — $ — As of September 30, 2023 Amortized Cost Basis of Term Loans by Year of Origination 2023 2022 2021 2020 2019 2018 and Prior Revolving Total Owner occupied commercial real estate Pass $ 283,766 $ 501,294 $ 770,707 $ 228,578 $ 242,952 $ 236,637 $ 43,522 $ 2,307,456 Watch 15,369 11,034 15,380 2,690 10,724 6,661 — 61,858 Substandard 23,354 12,824 3,479 12,050 4,132 4,506 — 60,345 Owner occupied commercial real estate total $ 322,489 $ 525,152 $ 789,566 $ 243,318 $ 257,808 $ 247,804 $ 43,522 $ 2,429,659 Owner occupied commercial real estate charge-offs $ — $ — $ — $ 5 $ — $ 14 $ — $ 19 Non-owner occupied commercial real estate Pass $ 479,766 $ 743,063 $ 480,475 $ 219,733 $ 242,084 $ 276,518 $ 43,226 $ 2,484,865 Watch 28,925 3,673 437 2,412 27,620 51,230 — 114,297 Substandard — 6,697 690 652 14,816 34,341 — 57,196 Non-owner occupied commercial real estate total $ 508,691 $ 753,433 $ 481,602 $ 222,797 $ 284,520 $ 362,089 $ 43,226 $ 2,656,358 Non-owner occupied commercial real estate charge-offs $ — $ 62 $ — $ 29 $ 398 $ 147 $ — $ 636 Real estate construction Pass $ 207,371 $ 529,810 $ 207,672 $ 35,069 $ 11,885 $ 3,834 $ 8,438 $ 1,004,079 Watch — 12,808 1,823 74 — 100 — 14,805 Substandard 394 9,275 665 336 — — — 10,670 Real estate construction total $ 207,765 $ 551,893 $ 210,160 $ 35,479 $ 11,885 $ 3,934 $ 8,438 $ 1,029,554 Real estate construction charge-offs $ — $ — $ — $ — $ — $ — $ — $ — Agricultural and agricultural real estate Pass $ 130,711 $ 231,769 $ 119,184 $ 68,386 $ 29,310 $ 49,609 $ 178,635 $ 807,604 Watch 2,626 359 740 2,033 150 438 2,292 8,638 Substandard 1,496 7,635 1,770 35 912 13,454 572 25,874 Agricultural and agricultural real estate total $ 134,833 $ 239,763 $ 121,694 $ 70,454 $ 30,372 $ 63,501 $ 181,499 $ 842,116 Agricultural and agricultural real estate charge-offs $ — $ — $ — $ 9 $ — $ 1 $ 5,309 $ 5,319 Residential real estate Pass $ 60,769 $ 183,291 $ 247,584 $ 75,960 $ 44,007 $ 166,554 $ 18,715 $ 796,880 Watch 63 1,479 1,666 614 674 4,194 — 8,690 Substandard 741 — 2,728 768 265 3,332 399 8,233 Residential real estate total $ 61,573 $ 184,770 $ 251,978 $ 77,342 $ 44,946 $ 174,080 $ 19,114 $ 813,803 Residential real estate charge-offs $ — $ 59 $ — $ — $ — $ — $ — $ 59 Consumer Pass $ 41,649 $ 66,162 $ 38,254 $ 9,007 $ 4,167 $ 14,394 $ 325,015 $ 498,648 Watch 618 91 710 26 44 430 1,582 3,501 Substandard 2 282 320 69 145 2,039 381 3,238 Consumer total $ 42,269 $ 66,535 $ 39,284 $ 9,102 $ 4,356 $ 16,863 $ 326,978 $ 505,387 Consumer charge-offs $ — $ 210 $ 112 $ 23 $ 18 $ 27 $ 2,824 $ 3,214 Total Pass $ 1,575,644 $ 3,099,776 $ 2,226,805 $ 844,528 $ 660,783 $ 1,079,113 $ 1,850,101 $ 11,336,750 Total Watch 51,679 53,129 21,645 11,115 42,412 73,055 29,874 282,909 Total Substandard 44,941 49,562 13,744 19,935 39,031 65,643 19,921 252,777 Total Loans $ 1,672,264 $ 3,202,467 $ 2,262,194 $ 875,578 $ 742,226 $ 1,217,811 $ 1,899,896 $ 11,872,436 Total Charge-offs $ — $ 898 $ 308 $ 1,480 $ 970 $ 2,127 $ 9,945 $ 15,728 The following table shows the risk category of loans by loan category and year of origination as of December 31, 2022, in thousands. As of December 31, 2022 Amortized Cost Basis of Term Loans by Year of Origination 2022 2021 2020 2019 2018 2017 and Prior Revolving Total Commercial and industrial Pass $ 967,103 $ 442,001 $ 260,021 $ 101,998 $ 57,776 $ 421,312 $ 1,064,333 $ 3,314,544 Watch 12,638 1,370 685 5,487 2,882 3,315 21,984 48,361 Substandard 6,691 14,366 9,369 22,171 5,546 6,758 36,608 101,509 Commercial and industrial total $ 986,432 $ 457,737 $ 270,075 $ 129,656 $ 66,204 $ 431,385 $ 1,122,925 $ 3,464,414 PPP Pass $ — $ 7,807 $ 526 $ — $ — $ — $ — $ 8,333 Watch — 7 — — — — — 7 Substandard — 2,685 — — — — — 2,685 PPP total $ — $ 10,499 $ 526 $ — $ — $ — $ — $ 11,025 Owner occupied commercial real estate Pass $ 511,547 $ 781,946 $ 255,476 $ 266,228 $ 103,943 $ 179,503 $ 34,117 $ 2,132,760 Watch 22,079 3,410 12,346 8,520 3,645 11,899 — 61,899 Substandard 2,971 23,802 26,490 6,358 2,574 7,353 1,100 70,648 Owner occupied commercial real estate total $ 536,597 $ 809,158 $ 294,312 $ 281,106 $ 110,162 $ 198,755 $ 35,217 $ 2,265,307 Non-owner occupied commercial real estate Pass $ 756,059 $ 515,075 $ 227,383 $ 261,964 $ 127,400 $ 210,289 $ 70,398 $ 2,168,568 Watch 8,131 792 2,849 38,218 38,510 16,180 547 105,227 Substandard 202 6,784 1,838 16,019 22,332 9,970 — 57,145 Non-owner occupied commercial real estate total $ 764,392 $ 522,651 $ 232,070 $ 316,201 $ 188,242 $ 236,439 $ 70,945 $ 2,330,940 Real estate construction Pass $ 597,370 $ 328,391 $ 88,660 $ 21,221 $ 2,568 $ 6,274 $ 8,252 $ 1,052,736 Watch 665 16,218 1,257 — — 122 — 18,262 Substandard 2,587 356 173 446 1,478 44 — 5,084 Real estate construction total $ 600,622 $ 344,965 $ 90,090 $ 21,667 $ 4,046 $ 6,440 $ 8,252 $ 1,076,082 Agricultural and agricultural real estate Pass $ 324,791 $ 140,252 $ 79,307 $ 34,447 $ 22,600 $ 38,672 $ 239,686 $ 879,755 Watch 3,795 515 3,865 641 444 672 902 10,834 Substandard 8,674 3,224 204 1,859 12,323 2,682 955 29,921 Agricultural and agricultural real estate total $ 337,260 $ 143,991 $ 83,376 $ 36,947 $ 35,367 $ 42,026 $ 241,543 $ 920,510 Residential real estate Pass $ 189,133 $ 268,561 $ 64,627 $ 39,468 $ 34,863 $ 217,489 $ 23,331 $ 837,472 Watch 706 1,095 88 957 2,296 2,237 399 7,778 Substandard 28 1,273 1,024 99 792 4,895 — 8,111 Residential real estate total $ 189,867 $ 270,929 $ 65,739 $ 40,524 $ 37,951 $ 224,621 $ 23,730 $ 853,361 Consumer Pass $ 80,592 $ 47,787 $ 11,722 $ 6,022 $ 4,840 $ 24,655 $ 325,247 $ 500,865 Watch 20 191 35 119 74 1,584 953 2,976 Substandard 188 331 242 303 75 1,539 194 2,872 Consumer total $ 80,800 $ 48,309 $ 11,999 $ 6,444 $ 4,989 $ 27,778 $ 326,394 $ 506,713 Total Pass $ 3,426,595 $ 2,531,820 $ 987,722 $ 731,348 $ 353,990 $ 1,098,194 $ 1,765,364 $ 10,895,033 Total Watch 48,034 23,598 21,125 53,942 47,851 36,009 24,785 255,344 Total Substandard 21,341 52,821 39,340 47,255 45,120 33,241 38,857 277,975 Total Loans $ 3,495,970 $ 2,608,239 $ 1,048,187 $ 832,545 $ 446,961 $ 1,167,444 $ 1,829,006 $ 11,428,352
Past Due Financing Receivables	The following table sets forth information regarding accruing and nonaccrual loans at September 30, 2023, and December 31, 2022, in thousands: Accruing Loans 30-59 60-89 90 Days or Total Current Nonaccrual Total Loans September 30, 2023 Commercial and industrial $ 2,736 $ 653 $ 152 $ 3,541 $ 3,568,215 $ 20,053 $ 3,591,809 PPP 597 35 20 652 3,098 — 3,750 Owner occupied commercial real estate 707 — 318 1,025 2,422,914 5,720 2,429,659 Non-owner occupied commercial real estate 125 — — 125 2,649,460 6,773 2,656,358 Real estate construction 4,752 — — 4,752 1,022,040 2,762 1,029,554 Agricultural and agricultural real estate — 12 — 12 832,609 9,495 842,116 Residential real estate 1,310 777 21 2,108 806,638 5,057 813,803 Consumer 1,933 179 — 2,112 501,831 1,444 505,387 Total gross loans receivable held to maturity $ 12,160 $ 1,656 $ 511 $ 14,327 $ 11,806,805 $ 51,304 $ 11,872,436 December 31, 2022 Commercial and industrial $ 1,099 $ 356 $ 131 $ 1,586 $ 3,440,062 $ 22,766 $ 3,464,414 PPP — — — — 11,006 19 11,025 Owner occupied commercial real estate 12 127 — 139 2,256,365 8,803 2,265,307 Non-owner occupied commercial real estate — — — — 2,319,282 11,658 2,330,940 Real estate construction 16 28 — 44 1,073,687 2,351 1,076,082 Agricultural and agricultural real estate 48 — 142 190 914,088 6,232 920,510 Residential real estate 1,206 152 — 1,358 846,739 5,264 853,361 Consumer 1,526 196 — 1,722 503,853 1,138 506,713 Total gross loans receivable held to maturity $ 3,907 $ 859 $ 273 $ 5,039 $ 11,365,082 $ 58,231 $ 11,428,352

ALLOWANCE FOR CREDIT LOSSES (Ta

ALLOWANCE FOR CREDIT LOSSES (Tables)	9 Months Ended
	Sep. 30, 2023
Loans and Leases Receivable Disclosure [Abstract]
Changes in the Allowance for Loan and Leases Losses	Changes in the allowance for credit losses on loans for the three- and nine- months ended September 30, 2023, and September 30, 2022, were as follows, in thousands: Commercial Owner Occupied Commercial Non-Owner Occupied Commercial Real Estate Real Estate Agricultural and Agricultural Residential Consumer Total Balance at June 30, 2023 $ 29,396 $ 14,709 $ 17,976 $ 28,246 $ 3,511 $ 7,644 $ 9,716 $ 111,198 Charge-offs (1,344) — (607) — (10) — (2,003) (3,964) Recoveries 167 1 — 7 — — 127 302 Provision (benefit) 77 (36) (85) 726 903 (537) 1,624 2,672 Balance at September 30, 2023 $ 28,296 $ 14,674 $ 17,284 $ 28,979 $ 4,404 $ 7,107 $ 9,464 $ 110,208 Commercial Owner Occupied Commercial Non-Owner Occupied Commercial Real Estate Real Estate Agricultural and Agricultural Residential Consumer Total Balance at December 31, 2022 $ 29,071 $ 13,948 $ 16,539 $ 29,998 $ 2,634 $ 7,711 $ 9,582 $ 109,483 Charge-offs (6,481) (19) (636) — (5,319) (59) (3,214) (15,728) Recoveries 2,007 113 — 26 11 19 1,592 3,768 Provision (benefit) 3,699 632 1,381 (1,045) 7,078 (564) 1,504 12,685 Balance at September 30, 2023 $ 28,296 $ 14,674 $ 17,284 $ 28,979 $ 4,404 $ 7,107 $ 9,464 $ 110,208 Commercial Owner Occupied Commercial Non-Owner Occupied Commercial Real Estate Real Estate Agricultural and Agricultural Residential Consumer Total Balance at June 30, 2022 $ 27,668 $ 17,658 $ 15,738 $ 19,391 $ 2,948 $ 8,571 $ 9,379 $ 101,353 Charge-offs (385) — — (35) (34) (1) (483) (938) Recoveries 506 — 20 3 76 — 307 912 Provision (benefit) 2,474 (686) (949) 4,911 (423) (1,144) 205 4,388 Balance at September 30, 2022 $ 30,263 $ 16,972 $ 14,809 $ 24,270 $ 2,567 $ 7,426 $ 9,408 $ 105,715 Commercial Owner Occupied Commercial Non-Owner Occupied Commercial Real Estate Real Estate Agricultural and Agricultural Residential Consumer Total Balance at December 31, 2021 $ 27,738 $ 19,214 $ 17,908 $ 22,538 $ 5,213 $ 8,427 $ 9,050 $ 110,088 Charge-offs (5,528) — (322) (35) (3,163) (138) (6,442) (15,628) Recoveries 1,157 40 53 12 653 — 779 2,694 Provision (benefit) 6,896 (2,282) (2,830) 1,755 (136) (863) 6,021 8,561 Balance at September 30, 2022 $ 30,263 $ 16,972 $ 14,809 $ 24,270 $ 2,567 $ 7,426 $ 9,408 $ 105,715
Schedule of New Accounting Pronouncements and Changes in Accounting Principles	Changes in the allowance for credit losses for unfunded commitments for the three and nine months ended September 30, 2023, and September 30, 2022, were as follows: For the Three Months Ended September 30, 2023 2022 Balance at June 30, $ 18,636 $ 17,780 Provision (benefit) (1,156) 1,104 Balance at September 30, $ 17,480 $ 18,884 For the Nine Months Ended September 30, 2023 2022 Balance at December 31, $ 20,196 $ 15,462 Provision (benefit) (2,716) 3,422 Balance at September 30, $ 17,480 $ 18,884

GOODWILL, CORE DEPOSIT PREMIU_2

GOODWILL, CORE DEPOSIT PREMIUM AND OTHER INTANGIBLE ASSETS (Tables)	9 Months Ended
	Sep. 30, 2023
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Gross Carrying Amount and Accumulated Amortization of Other Intangible Assets	The gross carrying amount of other intangible assets, which consisted of core deposit intangibles and mortgage servicing rights, and the associated accumulated amortization at September 30, 2023, and December 31, 2022, are presented in the table below, in thousands: September 30, 2023 December 31, 2022 Gross Accumulated Net Gross Accumulated Net Amortizing intangible assets: Core deposit intangibles $ 101,185 $ 81,159 $ 20,026 $ 101,185 $ 76,031 $ 25,154 Mortgage servicing rights — — — 13,700 5,860 7,840 Total $ 101,185 $ 81,159 $ 20,026 $ 114,885 $ 81,891 $ 32,994
Schedule of Estimated Future Amortization Expense of Amortizable Intangible Assets	The following table shows the estimated future amortization expense for amortizable intangible assets, in thousands: Core Deposit Intangibles Three months ending December 31, 2023 $ 1,611 Year ending December 31, 2024 5,591 2025 4,700 2026 3,533 2027 2,601 2028 1,287 Thereafter 703 Total $ 20,026
Summary of Changes in Servicing Rights	The following table summarizes, in thousands, the changes in mortgage servicing rights for the nine months ended September 30, 2023, and September 30, 2022: 2023 2022 Balance at January 1, $ 7,840 $ 6,412 Originations 24 1,218 Amortization (210) (909) Sale of mortgage servicing rights (7,654) — Valuation adjustment — 1,658 Balance at period end $ — $ 8,379 Mortgage servicing rights, net to servicing portfolio — % 1.14 %
Schedule of Servicing Asset at Fair Value and Amortized Cost	The following table summarizes, in thousands, the book value, the fair value of each tranche of the mortgage servicing rights and any recorded valuation allowance at December 31, 2022. Book Value 15-Year Tranche Fair Value 15-Year Tranche Valuation Allowance Book Value 30-Year Tranche Fair Value 30-Year Tranche Valuation Allowance December 31, 2022 $ 1,388 $ 1,388 $ — $ 6,452 $ 6,452 $ —

DERIVATIVE FINANCIAL INSTRUME_2

DERIVATIVE FINANCIAL INSTRUMENTS (Tables)	9 Months Ended
	Sep. 30, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Balance Sheet Category and Fair Values of Embedded Derivatives	The table below identifies the balance sheet category and fair value of HTLF's derivative instrument designated as a cash flow hedge at December 31, 2022, in thousands: Notional Amount Fair Value Balance Sheet Category December 31, 2022 Interest rate swap $ 500,000 $ 13 Other Assets Three Months Ended Nine Months Ended 2023 2022 2023 2022 Hedged item (loans receivable held to maturity) $ (11,144) $ (34) $ (24,026) $ (117) Hedged item (securities carried at fair value) (36,362) — (65,872) — Derivatives designated as hedging instruments on loans receivable held to maturity 10,769 39 23,655 161 Derivatives designated as hedging instruments on securities carried at fair value 35,236 — 64,820 — Notional Amount Fair Value Balance Sheet Category September 30, 2023 Embedded derivatives $ 4,185 $ 109 Other assets December 31, 2022 Embedded derivatives $ 6,028 $ 135 Other assets The table below identifies the gains and losses recognized on HTLF's embedded derivatives for the three- and nine- months ended September 30, 2023, and September 30, 2022, in thousands: Three Months Ended Nine Months Ended 2023 2022 2023 2022 Gain (loss) recognized in other noninterest income on embedded derivatives $ (9) $ 121 $ (26) $ 446
Gains (Losses) on Derivative Instruments	The table below identifies the gains and losses recognized on HTLF's terminated derivative instruments designated as cash flow hedges for the three and nine months ended September 30, 2023, and September 30, 2022, in thousands: Recognized in OCI Reclassified from AOCI into Income Amount of Gain (Loss) Category Amount of Gain (Loss) Three Months Ended September 30, 2023 Interest rate swap $ — Interest income $ 63 Nine Months Ended September 30, 2023 Interest rate swap $ 1,952 Interest income $ (638) Three Months Ended September 30, 2022 Interest rate swap $ — Interest income $ — Nine Months Ended September 30, 2022 Interest rate swap $ — Interest income $ — The table below identifies the net impact to interest income recognized on HTLF's fair value hedges specific to the fair value remeasurements and the income statement classification where it is recorded in comparison to the total amount of interest income presented on the consolidated statements of income for the three- and nine- months ended September 30, 2023, and September 30, 2022, in thousands: Three Months Ended Nine Months Ended 2023 2022 2023 2022 Gain (loss) recognized in interest income and fees on loans $ (375) $ 5 $ (371) $ 44 Total amount of interest and fees on loans 182,394 122,913 505,136 334,000 Gain (loss) recognized in interest income on securities-taxable (1,126) — (1,052) — Total amount of interest on securities-taxable 54,800 45,648 168,948 116,366
Balance Sheet Category and Fair Values of Derivative Instruments	The table below identifies the fair value of the interest rate swaps designated as fair value hedges and the balance sheet category of the interest rate swaps as of September 30, 2023 and December 31, 2022, in thousands: Fair Value Balance Sheet Category September 30, 2023 Interest rate swaps-loans receivable held to maturity $ 24,998 Other assets Interest rate swaps-securities carried at fair value 66,853 Other assets December 31, 2022 Interest rate swaps-loans receivable held to maturity 54 Other assets The table below identifies the carrying amount of the hedged assets and cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged assets that are designated as fair value hedge accounting relationships at September 30, 2023, and December 31, 2022, in thousands: Location in the consolidated Carrying Amount of Cumulative Amount of Fair Value September 30, 2023 Interest rate swap Loans receivable held to maturity $ 2,476,983 $ (23,707) Interest rate swap Securities carried at fair value 729,528 (64,820) December 31, 2022 Interest rate swap Loans receivable held to maturity $ 1,185 $ (54) The table below identifies the balance sheet category and fair values of the derivative instruments designated as loan swaps at September 30, 2023, and December 31, 2022, in thousands: Notional Fair Balance Sheet September 30, 2023 Customer interest rate swaps $ 1,500,715 $ 75,965 Other assets Customer interest rate swaps 1,500,715 (75,965) Other liabilities December 31, 2022 Customer interest rate swaps $ 819,662 $ 46,091 Other assets Customer interest rate swaps 819,662 (46,091) Other liabilities
Schedule of Other Derivatives Not Designated as Hedging Instruments, Balance Sheet and Income Category	The table below identifies the balance sheet category and fair values of HTLF's other free standing derivative instruments not designated as hedging instruments at September 30, 2023, and December 31, 2022, in thousands: Balance Sheet Category Notional Amount Fair Value September 30, 2023 Interest rate lock commitments (mortgage) Other assets $ 4,000 $ 99 Forward commitments Other assets 7,500 41 Forward commitments Other liabilities 1,750 (5) Undesignated interest rate swaps Other liabilities 4,185 (109) December 31, 2022 Interest rate lock commitments (mortgage) Other assets $ 9,340 $ 174 Forward commitments Other assets 6,400 47 Forward commitments Other liabilities 5,750 (99) Undesignated interest rate swaps Other liabilities 6,028 (135) HTLF recognizes gains and losses on other free standing derivatives in two separate income statement categories. Interest rate lock commitments and forward commitments are recognized in net gains on sale of loans held for sale and undesignated interest rate swaps are recognized in other noninterest income. The table below identifies the gains and losses recognized in income on HTLF's other free standing derivative instruments not designated as hedging instruments for the three- and nine- months ended September 30, 2023, and September 30, 2022, in thousands: Three Months Ended Nine Months Ended 2023 2022 2023 2022 Interest rate lock commitments (mortgage) $ (352) $ (1,337) $ (70) $ (2,009) Forward commitments (4) 813 87 881 Undesignated interest rate swaps 9 (121) 26 (446)

FAIR VALUE (Tables)

FAIR VALUE (Tables)	9 Months Ended
	Sep. 30, 2023
Fair Value Disclosures [Abstract]
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis	The table below presents HTLF's assets and liabilities that are measured at fair value on a recurring basis as of September 30, 2023, and December 31, 2022, in thousands, aggregated by the level in the fair value hierarchy within which those measurements fall: Total Fair Value Level 1 Level 2 Level 3 September 30, 2023 Assets Securities available for sale U.S. treasuries $ 31,805 $ 31,805 $ — $ — U.S. agencies 41,104 — 41,104 — Obligations of states and political subdivisions 774,687 — 774,687 — Mortgage-backed securities - agency 1,594,395 — 1,594,395 — Mortgage-backed securities - non-agency 1,895,080 — 1,895,080 — Commercial mortgage-backed securities - agency 81,444 — 81,444 — Commercial mortgage-backed securities - non-agency 602,433 — 602,433 — Asset-backed securities 384,379 — 384,379 — Corporate bonds 56,522 — 56,522 — Equity securities with a readily determinable fair value 20,838 — 20,838 — Derivative financial instruments (1) 167,925 — 167,925 — Interest rate lock commitments 99 — — 99 Forward commitments 41 — 41 — Total assets at fair value $ 5,650,752 $ 31,805 $ 5,618,848 $ 99 Liabilities Derivative financial instruments (2) $ 76,074 $ — $ 76,074 $ — Forward commitments 5 — 5 — Total liabilities at fair value $ 76,079 $ — $ 76,079 $ — December 31, 2022 Assets Securities available for sale U.S. treasuries $ 31,699 $ 31,699 $ — $ — U.S. agencies 43,135 — 43,135 — Obligations of states and political subdivisions 879,437 — 879,437 — Mortgage-backed securities - agency 1,772,105 — 1,772,105 — Mortgage-backed securities - non-agency 2,181,876 — 2,181,876 — Commercial mortgage-backed securities - agency 85,123 — 85,123 — Commercial mortgage-backed securities - non-agency 659,459 — 659,459 — Asset-backed securities 416,054 — 416,054 — Corporate bonds 57,942 — 57,942 — Equity securities with a readily determinable fair value 20,314 — 20,314 — Derivative financial instruments (2) 46,293 — 46,293 — Interest rate lock commitments 174 — — 174 Forward commitments 47 — 47 — Total assets at fair value $ 6,193,658 $ 31,699 $ 6,161,785 $ 174 Liabilities Derivative financial instruments (1) $ 46,226 $ — $ 46,226 $ — Forward commitments 99 — 99 — Total liabilities at fair value $ 46,325 $ — $ 46,325 $ — (1) Includes interest rate swaps, embedded derivatives and back-to-back loan swaps. (2) Includes back-to-back loan swaps and free standing derivatives.
Fair Value Measurements, Nonrecurring	The tables below present HTLF's assets that are measured at fair value on a nonrecurring basis, in thousands: Fair Value Measurements at September 30, 2023 Total Quoted Prices in Significant Other Significant Year-to- Collateral dependent individually assessed loans: Commercial and industrial $ 8,530 $ — $ — $ 8,530 $ 554 Owner occupied commercial real estate 4,411 — — 4,411 — Non-owner occupied commercial real estate 6,323 — — 6,323 — Real estate construction 910 — — 910 — Agricultural and agricultural real estate 4,943 — — 4,943 5,309 Residential real estate 2,216 — — 2,216 — Total collateral dependent individually assessed loans $ 27,333 $ — $ — $ 27,333 $ 5,863 Loans held for sale $ 6,262 $ — $ 6,262 $ — $ (121) Other real estate owned 14,362 — — 14,362 1,010 Premises, furniture and equipment held for sale 2,798 — — 2,798 1,455 Fair Value Measurements at December 31, 2022 Total Quoted Prices in Significant Other Significant Year-to- Collateral dependent individually assessed loans: Commercial and industrial $ 12,042 $ — $ — $ 12,042 $ 4,186 Owner occupied commercial real estate 7,556 — — 7,556 — Non-owner occupied commercial real estate 11,371 — — 11,371 — Real estate construction 1,518 — — 1,518 — Agricultural and agricultural real estate 3,788 — — 3,788 — Residential real estate 1,607 — — 1,607 — Total collateral dependent individually assessed loans $ 37,882 $ — $ — $ 37,882 $ 4,186 Loans held for sale $ 5,277 $ — $ 5,277 $ — $ (116) Other real estate owned 8,401 — — 8,401 180 Premises, furniture and equipment held for sale 6,851 — — 6,851 1,562 Servicing rights 7,840 — — 7,840 516
Fair Value Inputs, Assets, Quantitative Information	The following tables present additional quantitative information about assets measured at fair value on a recurring and nonrecurring basis and for which HTLF has utilized Level 3 inputs to determine fair value, in thousands: Fair Value at Valuation Unobservable Range (Weighted Interest rate lock commitments $ 99 Discounted cash flows Closing ratio 0-99% (89%) (1) Other real estate owned 14,362 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Premises, furniture and equipment held for sale 2,798 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Collateral dependent individually assessed loans: Commercial 8,530 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Owner occupied commercial real estate 4,411 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Non-owner occupied commercial real estate 6,323 Modified appraised value Third party appraisal (2) Appraisal discount 0-8% (3) Real estate construction 910 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Agricultural and agricultural real estate 4,943 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Residential real estate 2,216 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) (1) The significant unobservable input used in the fair value measurement is the closing ratio, which represents the percentage of loans currently in a lock position which management estimates will ultimately close. The closing ratio calculation takes into consideration historical data and loan-level data. (2) Third party appraisals are obtained and updated at least annually to establish the value of the underlying asset, but the disclosure of the unobservable inputs used by the appraisers would not be meaningful because the range will vary widely from appraisal to appraisal. (3) Discounts applied to the appraised values primarily include estimated sales costs, but also consider the age of the appraisal, changes in local market conditions and changes in the current condition of the collateral. Fair Value at 12/31/2022 Valuation Unobservable Range (Weighted Average) Interest rate lock commitments $ 174 Discounted cash flows Closing ratio 0-99% (88%) (1) Other real estate owned 8,401 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Servicing rights 7,840 Discounted cash flows Discount rate 9.98 - 11.72% (10.02%) (4) Constant prepayment rate 7.8 - 14.2% (7.9%) (4) Premises, furniture and equipment held for sale 6,851 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Collateral dependent individually assessed loans: Commercial and industrial 12,042 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Owner occupied commercial real estate 7,556 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Non-owner occupied commercial real estate 11,371 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Real estate construction 1,518 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) Agricultural and agricultural real estate 3,788 Modified appraised value Third party appraisal (2) Appraisal discount 0-15% (3) Residential real estate 1,607 Modified appraised value Third party appraisal (2) Appraisal discount 0-10% (3) (1) The significant unobservable input used in the fair value measurement is the closing ratio, which represents the percentage of loans currently in a lock position which management estimates will ultimately close. The closing ratio calculation takes into consideration historical data and loan-level data. (2) Third party appraisals are obtained and updated at least annually to establish the value of the underlying asset, but the disclosure of the unobservable inputs used by the appraisers would not be meaningful because the range will vary widely from appraisal to appraisal. (3) Discounts applied to the appraised values primarily include estimated sales costs, but also consider the age of the appraisal, changes in local market conditions and changes in the current condition of the collateral. (4) The significant unobservable input used in the discounted cash flow analysis are the discount rate and constant prepayment rate.
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation	The changes in fair value of the interest rate lock commitments, which are Level 3 financial instruments measured on a recurring basis, are summarized in the following table, in thousands: For the Nine Months Ended For the Year Ended Balance at January 1, $ 174 $ 1,306 Total net gains included in earnings (70) (1,828) Issuances 1,678 3,683 Settlements (1,683) (2,987) Balance at period end $ 99 $ 174
Fair Value, by Balance Sheet Grouping	HTLF does not believe that the estimated information presented herein is representative of the earnings power or value of HTLF. The following analysis, which is inherently limited in depicting fair value, also does not consider any value associated with either existing customer relationships or the ability of HTLF to create value through loan origination, deposit gathering or fee generating activities. Many of the estimates presented herein are based upon the use of highly subjective information and assumptions and, accordingly, the results may not be precise. Management believes that fair value estimates may not be comparable between financial institutions due to the wide range of permitted valuation techniques and numerous estimates which must be made. Furthermore, because the disclosed fair value amounts were estimated as of the balance sheet date, the amounts actually realized or paid upon maturity or settlement of the various financial instruments could be significantly different. Fair Value Measurements at September 30, 2023 Carrying Estimated Quoted Prices in Significant Other Significant Financial assets: Cash and cash equivalents $ 347,995 $ 347,995 $ 347,995 $ — $ — Time deposits in other financial institutions 1,490 1,490 1,490 — — Securities: Carried at fair value 5,482,687 5,482,687 31,805 5,450,882 — Held to maturity 835,468 758,626 — 758,626 — Other investments 90,001 90,001 — 90,001 — Loans held for sale 6,262 6,262 — 6,262 — Loans, net: Commercial and industrial 3,563,513 3,371,432 — 3,362,902 8,530 PPP 3,750 3,750 — 3,750 — Owner occupied commercial real estate 2,414,985 2,225,107 — 2,220,696 4,411 Non-owner occupied commercial real estate 2,639,074 2,493,314 — 2,486,991 6,323 Real estate construction 1,000,575 977,316 — 976,406 910 Agricultural and agricultural real estate 837,712 760,022 — 755,079 4,943 Residential real estate 806,696 699,081 — 696,865 2,216 Consumer 495,923 476,515 — 476,515 — Total Loans, net 11,762,228 11,006,537 — 10,979,204 27,333 Cash surrender value on life insurance 196,694 196,694 — 196,694 — Derivative financial instruments (1) 167,925 167,925 — 167,925 — Interest rate lock commitments 99 99 — — 99 Forward commitments 41 41 — 41 — Financial liabilities: Deposits Demand deposits 4,792,813 4,792,813 — 4,792,813 — Savings deposits 8,754,911 8,754,911 — 8,754,911 — Time deposits 3,553,269 3,553,269 — 3,553,269 — Short term borrowings 392,634 392,634 — 392,634 — Other borrowings 372,059 373,681 — 373,681 — Derivative financial instruments (2) 76,074 76,074 — 76,074 — Forward commitments 5 5 — 5 — (1) Includes interest rate swaps, embedded derivatives and back-to-back loan swaps. (2) Includes back-to-back loan swaps and free standing derivative instruments. Fair Value Measurements at Carrying Estimated Quoted Prices in Significant Other Significant Financial assets: Cash and cash equivalents $ 363,087 $ 363,087 $ 363,087 $ — $ — Time deposits in other financial institutions 1,740 1,740 1,740 — — Securities: Carried at fair value 6,147,144 6,147,144 31,699 6,115,445 — Held to maturity 829,403 776,557 — 776,557 — Other investments 74,567 74,567 — 74,567 — Loans held for sale 5,277 5,277 — 5,277 — Loans, net: Commercial and industrial 3,435,343 3,270,127 — 3,258,085 12,042 PPP 11,025 11,025 — 11,025 — Owner occupied commercial real estate 2,251,359 2,084,665 — 2,077,109 7,556 Non-owner occupied commercial real estate 2,314,401 2,184,796 — 2,173,425 11,371 Real estate construction 1,046,084 1,039,244 — 1,037,726 1,518 Agricultural and agricultural real estate 917,876 842,637 — 838,849 3,788 Residential real estate 845,650 741,325 — 739,718 1,607 Consumer 497,131 480,018 — 480,018 — Total Loans, net 11,318,869 10,653,837 — 10,615,955 37,882 Cash surrender value on life insurance 193,403 193,403 — 193,403 — Derivative financial instruments (1) 46,293 46,293 — 46,293 — Interest rate lock commitments 174 174 — — 174 Forward commitments 47 47 — 47 — Financial liabilities: Deposits Demand deposits 5,701,340 5,701,340 — 5,701,340 — Savings deposits 9,994,391 9,994,391 — 9,994,391 — Time deposits 1,817,278 1,817,278 — 1,817,278 — Short term borrowings 376,117 376,117 — 376,117 — Other borrowings 371,753 372,473 — 372,473 — Derivative financial instruments (1) 46,226 46,226 — 46,226 — Forward commitments 99 99 — 99 — (1) Includes interest rate swaps, fair value hedges, embedded derivatives and back-to-back loan swaps. (2) Includes back-to-back loan swaps and undesignated interest rate swaps.

STOCK COMPENSATION (Tables)

STOCK COMPENSATION (Tables)	9 Months Ended
	Sep. 30, 2023
Share-Based Payment Arrangement [Abstract]
Summary of Status of RSUs	A summary of the RSUs outstanding as of September 30, 2023, and September 30, 2022, and changes during the nine months ended September 30, 2023 and 2022, follows: 2023 2022 Shares Weighted-Average Grant Date Shares Weighted-Average Grant Date Outstanding at January 1, 424,086 $ 46.15 389,885 $ 44.19 Granted 272,465 45.33 238,495 48.41 Vested (175,313) 41.74 (158,702) 45.04 Forfeited (42,091) 46.25 (27,316) 46.69 Outstanding at September 30, 479,147 $ 47.29 442,362 $ 46.01
Share-Based Payment Arrangement, Option, Activity	A summary of the status of stock options as of September 30, 2023, and changes during the nine months ended September 30, 2023, is shown in the table below. There were no options outstanding at September 30, 2022. 2023 Shares Weighted Average Outstanding January 1, 64,518 $ 48.79 Granted — — Exercised — — Forfeited (6,452) 48.79 Outstanding at September 30, 58,066 48.79 Options exercisable at September 30, — $ —

BASIS OF PRESENTATION (Narrativ

BASIS OF PRESENTATION (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended
	Nov. 08, 2023	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022
Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Taxable investment securities sold, combined yield	2.48%
Proceeds from sale of investment securities	$ 667.9
Marketable security, realized gain (loss)	(103.5)
Marketable security, realized gain (loss), after tax	$ 77.7
Series A Junior Participating preferred stock
Equity, Class of Treasury Stock [Line Items]
Preferred stock, par value (in dollars per share)				$ 1
Preferred stock, shares authorized (in shares)				16,000
Preferred stock, shares issued (in shares)				0
Preferred stock, shares outstanding (in shares)				0
Series B Fixed Rate Cumulative Perpetual Preferred Stock
Equity, Class of Treasury Stock [Line Items]
Preferred stock, par value (in dollars per share)				$ 1
Preferred stock, shares authorized (in shares)				81,698
Preferred stock, shares issued (in shares)				0
Preferred stock, shares outstanding (in shares)				0
Series C Senior Non-Cumulative Perpetual Preferred Stock
Equity, Class of Treasury Stock [Line Items]
Preferred stock, par value (in dollars per share)				$ 1
Preferred stock, shares authorized (in shares)				81,698
Preferred stock, shares issued (in shares)				0
Preferred stock, shares outstanding (in shares)				0
Series D Senior Non-Cumulative Perpetual Convertible Preferred Stock
Equity, Class of Treasury Stock [Line Items]
Preferred stock, par value (in dollars per share)				$ 1
Preferred stock, shares authorized (in shares)				3,000
Preferred stock, shares issued (in shares)				0
Preferred stock, shares outstanding (in shares)				0
Preferred Stock
Equity, Class of Treasury Stock [Line Items]
Preferred stock, par value (in dollars per share)		$ 1		$ 1
Preferred stock, shares authorized (in shares)		188,500	188,500	6,104
Preferred stock, shares issued (in shares)		0		0
Preferred stock, shares outstanding (in shares)		0		0

BASIS OF PRESENTATION (Earnings

BASIS OF PRESENTATION (Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net income	$ 48,091	$ 56,564	$ 150,283	$ 151,526
Preferred dividends	(2,013)	(2,013)	(6,038)	(6,038)
Net income available to common stockholders	$ 46,078	$ 54,551	$ 144,245	$ 145,488
Weighted average common shares outstanding for basic earnings per share (in shares)	42,761	42,575	42,681	42,471
Assumed incremental common shares issued upon vesting of outstanding restricted stock units (in shares)	52	69	89	125
Weighted average common shares for diluted earnings per share (in shares)	42,813	42,644	42,770	42,596
EARNINGS PER COMMON SHARE - BASIC (in dollars per share)	$ 1.08	$ 1.28	$ 3.38	$ 3.43
EARNINGS PER COMMON SHARE - DILUTED (in dollars per share)	$ 1.08	$ 1.28	$ 3.37	$ 3.42
Common Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of antidilutive common stock equivalents and stock options excluded from diluted earnings per share computation (in shares)	204	4	107	8
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of antidilutive common stock equivalents and stock options excluded from diluted earnings per share computation (in shares)	58	0	62	0

SECURITIES (Securities availabl

SECURITIES (Securities available for sale) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Gross Unrealized Gains	$ 68	$ 1,495
Gross Unrealized Losses	(746,661)	(643,080)
Estimated Fair Value	904,118
Equity securities with a readily determinable fair value	20,838	20,314
Amortized Cost	6,229,280	6,788,729
Estimated Fair Value	5,482,687	6,147,144
Total debt securities
Debt Securities, Available-for-sale [Line Items]
Total debt securities	6,208,442	6,768,415
Gross Unrealized Gains	68	1,495
Gross Unrealized Losses	(746,661)	(643,080)
Estimated Fair Value	5,461,849	6,126,830
U.S. treasuries
Debt Securities, Available-for-sale [Line Items]
Total debt securities	32,436	32,369
Gross Unrealized Gains	0	8
Gross Unrealized Losses	(631)	(678)
Estimated Fair Value	31,805	31,699
U.S. agencies
Debt Securities, Available-for-sale [Line Items]
Total debt securities	48,022	49,437
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(6,918)	(6,302)
Estimated Fair Value	41,104	43,135
Obligations of states and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Total debt securities	982,570	1,049,578
Gross Unrealized Gains	0	14
Gross Unrealized Losses	(207,883)	(170,155)
Estimated Fair Value	774,687	879,437
Mortgage-backed securities - agency
Debt Securities, Available-for-sale [Line Items]
Total debt securities	1,910,725	2,042,092
Gross Unrealized Gains	48	56
Gross Unrealized Losses	(316,378)	(270,043)
Estimated Fair Value	1,594,395	1,772,105
Mortgage-backed securities - non-agency
Debt Securities, Available-for-sale [Line Items]
Total debt securities	2,058,422	2,327,308
Gross Unrealized Gains	20	1,417
Gross Unrealized Losses	(163,362)	(146,849)
Estimated Fair Value	1,895,080	2,181,876
Commercial mortgage-backed securities - agency
Debt Securities, Available-for-sale [Line Items]
Total debt securities	98,497	100,518
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(17,053)	(15,395)
Estimated Fair Value	81,444	85,123
Commercial mortgage-backed securities - non-agency
Debt Securities, Available-for-sale [Line Items]
Total debt securities	621,163	679,511
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(18,730)	(20,052)
Estimated Fair Value	602,433	659,459
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Total debt securities	397,410	428,397
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(13,031)	(12,343)
Estimated Fair Value	384,379	416,054
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Total debt securities	59,197	59,205
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(2,675)	(1,263)
Estimated Fair Value	$ 56,522	$ 57,942

SECURITIES (Held to maturity se

SECURITIES (Held to maturity securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 835,468	$ 829,403
Gross Unrealized Gains	1,307	3,096
Gross Unrealized Losses	(78,149)	(55,942)
Estimated Fair Value	758,626	776,557
Obligations of states and political subdivisions
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	835,468	829,403
Gross Unrealized Gains	1,307	3,096
Gross Unrealized Losses	(78,149)	(55,942)
Estimated Fair Value	$ 758,626	$ 776,557

SECURITIES (Narrative) (Details

SECURITIES (Narrative) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Debt and Equity Securities, FV-NI [Line Items]
Accrued interest receivable	$ 30,100	$ 33,000
Debt securities, trading and equity securities, carrying value	6,229,280
Amortized cost of FHLBs	24,900	12,300
Asset Pledged as Collateral
Debt and Equity Securities, FV-NI [Line Items]
Debt securities, trading and equity securities, carrying value	$ 2,660,000	$ 1,490,000

SECURITIES (Securities availa_2

SECURITIES (Securities available for sale debt maturities) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Amortized Cost
Due in 1 year or less	$ 22,124
Due in 1 to 5 years	65,617
Due in 5 to 10 years	49,120
Due after 10 years	985,364
Total debt securities	1,122,225
Mortgage and asset-backed securities	5,086,217
Equity securities with a readily determinable fair value	20,838
Total investment securities	6,229,280
Estimated Fair Value
Due in 1 year or less	21,736
Due in 1 to 5 years	63,728
Due in 5 to 10 years	39,808
Due after 10 years	778,846
Estimated Fair Value	904,118
Mortgage and asset-backed securities	4,557,731
Equity securities with a readily determinable fair value	20,838	$ 20,314
Total investment securities	$ 5,482,687

SECURITIES (Securities held to

SECURITIES (Securities held to maturity debt maturities) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Amortized Cost
Due in 1 year or less	$ 5,584
Due in 1 to 5 years	86,908
Due in 5 to 10 years	156,899
Due after 10 years	586,077
Total debt securities	835,468	$ 829,403
Estimated Fair Value
Due in 1 year or less	5,573
Due in 1 to 5 years	85,469
Due in 5 to 10 years	147,931
Due after 10 years	519,653
Estimated Fair Value	$ 758,626	$ 776,557

SECURITIES (Gross realized gain

SECURITIES (Gross realized gain (loss)) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Investments, Debt and Equity Securities [Abstract]
Proceeds from sales	$ 44,457	$ 57,610	$ 331,196	$ 1,031,521
Gross security gains	803	0	1,286	7,298
Gross security losses	$ 744	$ 1,070	$ 2,656	$ 9,018

SECURITIES (Debt securities ava

SECURITIES (Debt securities available for sale) (Details) $ in Thousands	Sep. 30, 2023 USD ($) security	Dec. 31, 2022 USD ($) security
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	$ 558,364	$ 2,259,415
Unrealized Losses, Less than 12 months	$ (43,612)	$ (147,396)
Count, Less than 12 months | security	33	243
Fair Value, 12 months or longer	$ 4,525,733	$ 3,037,801
Unrealized Losses, 12 months or longer	$ (703,049)	$ (495,684)
Count, 12 months or longer | security	484	284
Fair Value, Total	$ 5,084,097	$ 5,297,216
Unrealized Losses, Total	$ (746,661)	$ (643,080)
Count, Total | security	517	527
U.S. treasuries
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	$ 5,917	$ 28,699
Unrealized Losses, Less than 12 months	$ (72)	$ (678)
Count, Less than 12 months | security	2	4
Fair Value, 12 months or longer	$ 25,888	$ 0
Unrealized Losses, 12 months or longer	$ (559)	$ 0
Count, 12 months or longer | security	3	0
Fair Value, Total	$ 31,805	$ 28,699
Unrealized Losses, Total	$ (631)	$ (678)
Count, Total | security	5	4
U.S. agencies
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	$ 0	$ 16,487
Unrealized Losses, Less than 12 months	$ 0	$ (222)
Count, Less than 12 months | security	0	5
Fair Value, 12 months or longer	$ 41,104	$ 26,648
Unrealized Losses, 12 months or longer	$ (6,918)	$ (6,080)
Count, 12 months or longer | security	6	2
Fair Value, Total	$ 41,104	$ 43,135
Unrealized Losses, Total	$ (6,918)	$ (6,302)
Count, Total | security	6	7
Obligations of states and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	$ 3,360	$ 288,457
Unrealized Losses, Less than 12 months	$ (470)	$ (28,378)
Count, Less than 12 months | security	4	69
Fair Value, 12 months or longer	$ 771,031	$ 589,641
Unrealized Losses, 12 months or longer	$ (207,413)	$ (141,777)
Count, 12 months or longer | security	163	113
Fair Value, Total	$ 774,391	$ 878,098
Unrealized Losses, Total	$ (207,883)	$ (170,155)
Count, Total | security	167	182
Mortgage-backed securities - agency
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	$ 1,958	$ 241,288
Unrealized Losses, Less than 12 months	$ (62)	$ (21,420)
Count, Less than 12 months | security	11	99
Fair Value, 12 months or longer	$ 1,591,796	$ 1,528,951
Unrealized Losses, 12 months or longer	$ (316,316)	$ (248,623)
Count, 12 months or longer | security	215	126
Fair Value, Total	$ 1,593,754	$ 1,770,239
Unrealized Losses, Total	$ (316,378)	$ (270,043)
Count, Total | security	226	225
Mortgage-backed securities - non-agency
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	$ 488,800	$ 950,054
Unrealized Losses, Less than 12 months	$ (41,299)	$ (70,213)
Count, Less than 12 months | security	14	25
Fair Value, 12 months or longer	$ 1,282,494	$ 693,531
Unrealized Losses, 12 months or longer	$ (122,063)	$ (76,636)
Count, 12 months or longer | security	43	25
Fair Value, Total	$ 1,771,294	$ 1,643,585
Unrealized Losses, Total	$ (163,362)	$ (146,849)
Count, Total | security	57	50
Commercial mortgage-backed securities - agency
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	$ 0	$ 27,732
Unrealized Losses, Less than 12 months	$ 0	$ (2,291)
Count, Less than 12 months | security	0	12
Fair Value, 12 months or longer	$ 81,444	$ 57,392
Unrealized Losses, 12 months or longer	$ (17,053)	$ (13,104)
Count, 12 months or longer | security	19	7
Fair Value, Total	$ 81,444	$ 85,124
Unrealized Losses, Total	$ (17,053)	$ (15,395)
Count, Total | security	19	19
Commercial mortgage-backed securities - non-agency
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	$ 9,695	$ 530,541
Unrealized Losses, Less than 12 months	$ (344)	$ (16,830)
Count, Less than 12 months | security	1	15
Fair Value, 12 months or longer	$ 584,871	$ 84,619
Unrealized Losses, 12 months or longer	$ (18,386)	$ (3,222)
Count, 12 months or longer | security	17	4
Fair Value, Total	$ 594,566	$ 615,160
Unrealized Losses, Total	$ (18,730)	$ (20,052)
Count, Total | security	18	19
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	$ 0	$ 118,613
Unrealized Losses, Less than 12 months	$ 0	$ (6,107)
Count, Less than 12 months | security	0	7
Fair Value, 12 months or longer	$ 139,217	$ 56,621
Unrealized Losses, 12 months or longer	$ (13,031)	$ (6,236)
Count, 12 months or longer | security	11	6
Fair Value, Total	$ 139,217	$ 175,234
Unrealized Losses, Total	$ (13,031)	$ (12,343)
Count, Total | security	11	13
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	$ 48,634	$ 57,544
Unrealized Losses, Less than 12 months	$ (1,365)	$ (1,257)
Count, Less than 12 months | security	1	7
Fair Value, 12 months or longer	$ 7,888	$ 398
Unrealized Losses, 12 months or longer	$ (1,310)	$ (6)
Count, 12 months or longer | security	7	1
Fair Value, Total	$ 56,522	$ 57,942
Unrealized Losses, Total	$ (2,675)	$ (1,263)
Count, Total | security	8	8

SECURITIES (Securities held t_2

SECURITIES (Securities held to maturity) (Details) $ in Thousands	Sep. 30, 2023 USD ($) security	Dec. 31, 2022 USD ($) security
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	$ 164,348	$ 697,424
Unrealized Losses, Less than 12 months	$ (14,240)	$ (55,942)
Count, Less than 12 months | security	38	155
Fair Value, 12 months or longer	$ 531,005	$ 0
Unrealized Losses, 12 months or longer	$ (63,909)	$ 0
Count, 12 months or longer | security	129	0
Fair Value, Total	$ 695,353	$ 697,424
Unrealized Losses, Total	$ (78,149)	$ (55,942)
Count, Total | security	167	155
Obligations of states and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 months	$ 164,348	$ 697,424
Unrealized Losses, Less than 12 months	$ (14,240)	$ (55,942)
Count, Less than 12 months | security	38	155
Fair Value, 12 months or longer	$ 531,005	$ 0
Unrealized Losses, 12 months or longer	$ (63,909)	$ 0
Count, 12 months or longer | security	129	0
Fair Value, Total	$ 695,353	$ 697,424
Unrealized Losses, Total	$ (78,149)	$ (55,942)
Count, Total | security	167	155

SECURITIES (Schedule of financi

SECURITIES (Schedule of financing receivable credit quality indicators) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 835,468	$ 829,403
AAA
Financing Receivable, Credit Quality Indicator [Line Items]
Total	88,254	79,598
AA, AA+, AA-
Financing Receivable, Credit Quality Indicator [Line Items]
Total	583,188	588,354
A+, A, A-
Financing Receivable, Credit Quality Indicator [Line Items]
Total	138,885	136,624
BBB
Financing Receivable, Credit Quality Indicator [Line Items]
Total	20,113	20,623
Not Rated
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 5,028	$ 4,204

LOANS (Loans held to maturity)

LOANS (Loans held to maturity) (Details) - USD ($)	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	$ 11,872,436,000		$ 11,428,352,000
Allowance for credit losses	(110,208,000)	$ (111,198,000)	(109,483,000)	$ (105,715,000)	$ (101,353,000)	$ (110,088,000)
Loans receivable, net	11,762,228,000		11,318,869,000
Paycheck Protection Program ("PPP")
Loans and Leases Receivable Disclosure [Line Items]
Allowance for credit losses	0
Commercial and industrial | Commercial and industrial
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	3,591,809,000		3,464,414,000
Allowance for credit losses	(28,296,000)	(29,396,000)	(29,071,000)	(30,263,000)	(27,668,000)	(27,738,000)
Commercial and industrial | Paycheck Protection Program ("PPP")
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	3,750,000		11,025,000
Allowance for credit losses	0		0
Commercial and industrial | Owner occupied commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	2,429,659,000		2,265,307,000
Allowance for credit losses	(14,674,000)	(14,709,000)	(13,948,000)	(16,972,000)	(17,658,000)	(19,214,000)
Commercial and industrial | Non-owner occupied commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	2,656,358,000		2,330,940,000
Allowance for credit losses	(17,284,000)	(17,976,000)	(16,539,000)	(14,809,000)	(15,738,000)	(17,908,000)
Commercial and industrial | Real Estate Construction
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	1,029,554,000		1,076,082,000
Allowance for credit losses	(28,979,000)	(28,246,000)	(29,998,000)	(24,270,000)	(19,391,000)	(22,538,000)
Agricultural and agricultural real estate
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	842,116,000		920,510,000
Allowance for credit losses	(4,404,000)	(3,511,000)	(2,634,000)	(2,567,000)	(2,948,000)	(5,213,000)
Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	813,803,000		853,361,000
Allowance for credit losses	(7,107,000)	(7,644,000)	(7,711,000)	(7,426,000)	(8,571,000)	(8,427,000)
Consumer
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	505,387,000		506,713,000
Allowance for credit losses	$ (9,464,000)	$ (9,716,000)	$ (9,582,000)	$ (9,408,000)	$ (9,379,000)	$ (9,050,000)

LOANS (Narrative) (Details)

LOANS (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Loans and Leases [Line Items]
Accrued interest receivable	$ 61,300,000		$ 61,300,000			$ 49,100,000
Nonpass loans	11,872,436,000		11,872,436,000			11,428,352,000
Allowance for credit losses	110,208,000	$ 105,715,000	110,208,000	$ 105,715,000	$ 111,198,000	$ 109,483,000	$ 101,353,000	$ 110,088,000
Loans secured by residential real estate property in process of foreclosure	$ 63,000		$ 63,000
Loans delinquent 30 to 89 days, percentage	0.12%		0.12%			0.04%
Interest income on nonaccrual loans	$ 0	$ 0	$ 0	$ 0
Nonaccrual loans with no related allowance	17,400,000		17,400,000			$ 26,700,000
Unfunded commitments	98,000		98,000
Paycheck Protection Program ("PPP")
Loans and Leases [Line Items]
Allowance for credit losses	0		0
Paycheck Protection Program ("PPP") | Nonpass
Loans and Leases [Line Items]
Nonpass loans	$ 723,000		$ 723,000			$ 2,700,000

LOANS (Allowance for credit los

LOANS (Allowance for credit losses on financing receivables) (Details) - USD ($)	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Total exposure on lending relationships (or more)	$ 500,000
Individually Evaluated for Credit Losses	8,990,000		$ 7,109,000
Collectively Evaluated for Credit Losses	101,218,000		102,374,000
Total	110,208,000	$ 111,198,000	109,483,000	$ 105,715,000	$ 101,353,000	$ 110,088,000
Loans Individually Evaluated for Credit Losses	36,323,000		44,991,000
Loans Collectively Evaluated for Credit Losses	11,836,113,000		11,383,361,000
Total	11,872,436,000		11,428,352,000
Paycheck Protection Program ("PPP")
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	0
Commercial and industrial | Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually Evaluated for Credit Losses	6,712,000		6,670,000
Collectively Evaluated for Credit Losses	21,584,000		22,401,000
Total	28,296,000	29,396,000	29,071,000	30,263,000	27,668,000	27,738,000
Loans Individually Evaluated for Credit Losses	15,242,000		18,712,000
Loans Collectively Evaluated for Credit Losses	3,576,567,000		3,445,702,000
Total	3,591,809,000		3,464,414,000
Commercial and industrial | Paycheck Protection Program ("PPP")
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually Evaluated for Credit Losses	0		0
Collectively Evaluated for Credit Losses	0		0
Total	0		0
Loans Individually Evaluated for Credit Losses	0		0
Loans Collectively Evaluated for Credit Losses	3,750,000		11,025,000
Total	3,750,000		11,025,000
Commercial and industrial | Owner occupied commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually Evaluated for Credit Losses	0		376,000
Collectively Evaluated for Credit Losses	14,674,000		13,572,000
Total	14,674,000	14,709,000	13,948,000	16,972,000	17,658,000	19,214,000
Loans Individually Evaluated for Credit Losses	4,411,000		7,932,000
Loans Collectively Evaluated for Credit Losses	2,425,248,000		2,257,375,000
Total	2,429,659,000		2,265,307,000
Commercial and industrial | Non-owner occupied commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually Evaluated for Credit Losses	257,000		0
Collectively Evaluated for Credit Losses	17,027,000		16,539,000
Total	17,284,000	17,976,000	16,539,000	14,809,000	15,738,000	17,908,000
Loans Individually Evaluated for Credit Losses	6,580,000		11,371,000
Loans Collectively Evaluated for Credit Losses	2,649,778,000		2,319,569,000
Total	2,656,358,000		2,330,940,000
Commercial and industrial | Real estate construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually Evaluated for Credit Losses	0		0
Collectively Evaluated for Credit Losses	28,979,000		29,998,000
Total	28,979,000	28,246,000	29,998,000	24,270,000	19,391,000	22,538,000
Loans Individually Evaluated for Credit Losses	910,000		1,518,000
Loans Collectively Evaluated for Credit Losses	1,028,644,000		1,074,564,000
Total	1,029,554,000		1,076,082,000
Agricultural and agricultural real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually Evaluated for Credit Losses	2,021,000		63,000
Collectively Evaluated for Credit Losses	2,383,000		2,571,000
Total	4,404,000	3,511,000	2,634,000	2,567,000	2,948,000	5,213,000
Loans Individually Evaluated for Credit Losses	6,964,000		3,851,000
Loans Collectively Evaluated for Credit Losses	835,152,000		916,659,000
Total	842,116,000		920,510,000
Residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually Evaluated for Credit Losses	0		0
Collectively Evaluated for Credit Losses	7,107,000		7,711,000
Total	7,107,000	7,644,000	7,711,000	7,426,000	8,571,000	8,427,000
Loans Individually Evaluated for Credit Losses	2,216,000		1,607,000
Loans Collectively Evaluated for Credit Losses	811,587,000		851,754,000
Total	813,803,000		853,361,000
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually Evaluated for Credit Losses	0		0
Collectively Evaluated for Credit Losses	9,464,000		9,582,000
Total	9,464,000	$ 9,716,000	9,582,000	$ 9,408,000	$ 9,379,000	$ 9,050,000
Loans Individually Evaluated for Credit Losses	0		0
Loans Collectively Evaluated for Credit Losses	505,387,000		506,713,000
Total	$ 505,387,000		$ 506,713,000

LOANS (Loan modifications) (Det

LOANS (Loan modifications) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023
Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized Cost Basis	$ 1,992	$ 9,973
% of Loan Category	0.02%	0.08%
Term Extension and Interest Only Payments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized Cost Basis	$ 0	$ 5,043
% of Loan Category	0%	0.04%
Commercial and industrial | Commercial and industrial | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized Cost Basis	$ 0	$ 4,233
% of Loan Category	0%	0.12%
Commercial and industrial | Commercial and industrial | Term Extension and Interest Only Payments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized Cost Basis	$ 0	$ 0
% of Loan Category	0%	0%
Commercial and industrial | Owner occupied commercial real estate | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized Cost Basis	$ 0	$ 0
% of Loan Category	0%	0%
Commercial and industrial | Owner occupied commercial real estate | Term Extension and Interest Only Payments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized Cost Basis	$ 0	$ 5,043
% of Loan Category	0%	0.21%
Commercial and industrial | Real estate construction | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized Cost Basis	$ 0	$ 1,453
% of Loan Category	0%	0.14%
Commercial and industrial | Real estate construction | Term Extension and Interest Only Payments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized Cost Basis	$ 0	$ 0
% of Loan Category	0%	0%
Agricultural and agricultural real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of Loan Category		0%
Agricultural and agricultural real estate | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized Cost Basis	$ 1,992	$ 3,546
% of Loan Category	0.24%	0.42%
Agricultural and agricultural real estate | Term Extension and Interest Only Payments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized Cost Basis	$ 0	$ 0
% of Loan Category	0%
Residential real estate | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized Cost Basis	$ 0	$ 741
% of Loan Category	0%	0.09%
Residential real estate | Term Extension and Interest Only Payments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized Cost Basis	$ 0	$ 0
% of Loan Category	0%	0%

LOANS (Financial effect of loan

LOANS (Financial effect of loan modifications) (Details)	9 Months Ended
	Sep. 30, 2023
Commercial and industrial | Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted Average Term Extension (months)	8 months
Weighted Average Term Extension and Interest Only Payments (months)	0 months
Commercial and industrial | Owner occupied commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted Average Term Extension (months)	0 months
Weighted Average Term Extension and Interest Only Payments (months)	12 months
Commercial and industrial | Real Estate Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted Average Term Extension (months)	6 months
Weighted Average Term Extension and Interest Only Payments (months)	0 months
Commercial and industrial | Agricultural and agricultural real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted Average Term Extension (months)	11 months
Weighted Average Term Extension and Interest Only Payments (months)	0 months
Residential real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted Average Term Extension (months)	12 months
Weighted Average Term Extension and Interest Only Payments (months)	0 months

LOANS (Accruing loans - aging a

LOANS (Accruing loans - aging analysis) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	$ 2,194
Total Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
30-59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
60-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	12,822
Commercial and industrial | Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	0
Commercial and industrial | Commercial and industrial | Total Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Commercial and industrial | Commercial and industrial | 30-59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Commercial and industrial | Commercial and industrial | 60-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Commercial and industrial | Commercial and industrial | 90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Commercial and industrial | Commercial and industrial | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	4,233
Commercial and industrial | Owner occupied commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	0
Commercial and industrial | Owner occupied commercial real estate | Total Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Commercial and industrial | Owner occupied commercial real estate | 30-59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Commercial and industrial | Owner occupied commercial real estate | 60-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Commercial and industrial | Owner occupied commercial real estate | 90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Commercial and industrial | Owner occupied commercial real estate | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	5,043
Commercial and industrial | Real Estate Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	1,453
Commercial and industrial | Real Estate Construction | Total Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Commercial and industrial | Real Estate Construction | 30-59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Commercial and industrial | Real Estate Construction | 60-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Commercial and industrial | Real Estate Construction | 90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Commercial and industrial | Real Estate Construction | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Residential real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	741
Residential real estate | Total Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Residential real estate | 30-59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Residential real estate | 60-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Residential real estate | 90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Residential real estate | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Agricultural and agricultural real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	0
Agricultural and agricultural real estate | Total Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Agricultural and agricultural real estate | 30-59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Agricultural and agricultural real estate | 60-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Agricultural and agricultural real estate | 90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Agricultural and agricultural real estate | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	$ 3,546

LOANS (Loans by credit quality

LOANS (Loans by credit quality indicator) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Amortized Cost Basis of Term Loans by Year of Origination
Year One	$ 1,672,264		$ 1,672,264		$ 3,495,970
Year Two	3,202,467		3,202,467		2,608,239
Year Three	2,262,194		2,262,194		1,048,187
Year Four	875,578		875,578		832,545
Year Five	742,226		742,226		446,961
Year Six and Prior	1,217,811		1,217,811		1,167,444
Revolving	1,899,896		1,899,896		1,829,006
Total	11,872,436		11,872,436		11,428,352
Charge-offs
Year One			0
Year Two			898
Year Three			308
Year Four			1,480
Year Five			970
Year Six and Prior			2,127
Revolving			9,945
Total Charge-offs	3,964	$ 938	15,728	$ 15,628
Pass
Amortized Cost Basis of Term Loans by Year of Origination
Year One	1,575,644		1,575,644		3,426,595
Year Two	3,099,776		3,099,776		2,531,820
Year Three	2,226,805		2,226,805		987,722
Year Four	844,528		844,528		731,348
Year Five	660,783		660,783		353,990
Year Six and Prior	1,079,113		1,079,113		1,098,194
Revolving	1,850,101		1,850,101		1,765,364
Total	11,336,750		11,336,750		10,895,033
Watch
Amortized Cost Basis of Term Loans by Year of Origination
Year One	51,679		51,679		48,034
Year Two	53,129		53,129		23,598
Year Three	21,645		21,645		21,125
Year Four	11,115		11,115		53,942
Year Five	42,412		42,412		47,851
Year Six and Prior	73,055		73,055		36,009
Revolving	29,874		29,874		24,785
Total	282,909		282,909		255,344
Substandard
Amortized Cost Basis of Term Loans by Year of Origination
Year One	44,941		44,941		21,341
Year Two	49,562		49,562		52,821
Year Three	13,744		13,744		39,340
Year Four	19,935		19,935		47,255
Year Five	39,031		39,031		45,120
Year Six and Prior	65,643		65,643		33,241
Revolving	19,921		19,921		38,857
Total	252,777		252,777		277,975
Commercial and industrial | Commercial and industrial
Amortized Cost Basis of Term Loans by Year of Origination
Year One	394,644		394,644		986,432
Year Two	880,921		880,921		457,737
Year Three	364,219		364,219		270,075
Year Four	217,027		217,027		129,656
Year Five	108,339		108,339		66,204
Year Six and Prior	349,540		349,540		431,385
Revolving	1,277,119		1,277,119		1,122,925
Total	3,591,809		3,591,809		3,464,414
Charge-offs
Year One			0
Year Two			567
Year Three			196
Year Four			1,414
Year Five			554
Year Six and Prior			1,938
Revolving			1,812
Total Charge-offs	1,344	385	6,481	5,528
Commercial and industrial | Commercial and industrial | Pass
Amortized Cost Basis of Term Loans by Year of Origination
Year One	371,612		371,612		967,103
Year Two	844,387		844,387		442,001
Year Three	359,961		359,961		260,021
Year Four	207,736		207,736		101,998
Year Five	86,378		86,378		57,776
Year Six and Prior	331,567		331,567		421,312
Revolving	1,232,550		1,232,550		1,064,333
Total	3,434,191		3,434,191		3,314,544
Commercial and industrial | Commercial and industrial | Watch
Amortized Cost Basis of Term Loans by Year of Origination
Year One	4,078		4,078		12,638
Year Two	23,685		23,685		1,370
Year Three	253		253		685
Year Four	3,266		3,266		5,487
Year Five	3,200		3,200		2,882
Year Six and Prior	10,002		10,002		3,315
Revolving	26,000		26,000		21,984
Total	70,484		70,484		48,361
Commercial and industrial | Commercial and industrial | Substandard
Amortized Cost Basis of Term Loans by Year of Origination
Year One	18,954		18,954		6,691
Year Two	12,849		12,849		14,366
Year Three	4,005		4,005		9,369
Year Four	6,025		6,025		22,171
Year Five	18,761		18,761		5,546
Year Six and Prior	7,971		7,971		6,758
Revolving	18,569		18,569		36,608
Total	87,134		87,134		101,509
Commercial and industrial | Paycheck Protection Program ("PPP")
Amortized Cost Basis of Term Loans by Year of Origination
Year One	0		0		0
Year Two	0		0		10,499
Year Three	3,691		3,691		526
Year Four	59		59		0
Year Five	0		0		0
Year Six and Prior	0		0		0
Revolving	0		0		0
Total	3,750		3,750		11,025
Charge-offs
Year One			0
Year Two			0
Year Three			0
Year Four			0
Year Five			0
Year Six and Prior			0
Revolving			0
Total Charge-offs			0
Commercial and industrial | Paycheck Protection Program ("PPP") | Pass
Amortized Cost Basis of Term Loans by Year of Origination
Year One	0		0		0
Year Two	0		0		7,807
Year Three	2,968		2,968		526
Year Four	59		59		0
Year Five	0		0		0
Year Six and Prior	0		0		0
Revolving	0		0		0
Total	3,027		3,027		8,333
Commercial and industrial | Paycheck Protection Program ("PPP") | Watch
Amortized Cost Basis of Term Loans by Year of Origination
Year One	0		0		0
Year Two	0		0		7
Year Three	636		636		0
Year Four	0		0		0
Year Five	0		0		0
Year Six and Prior	0		0		0
Revolving	0		0		0
Total	636		636		7
Commercial and industrial | Paycheck Protection Program ("PPP") | Substandard
Amortized Cost Basis of Term Loans by Year of Origination
Year One	0		0		0
Year Two	0		0		2,685
Year Three	87		87		0
Year Four	0		0		0
Year Five	0		0		0
Year Six and Prior	0		0		0
Revolving	0		0		0
Total	87		87		2,685
Commercial and industrial | Owner occupied commercial real estate
Amortized Cost Basis of Term Loans by Year of Origination
Year One	322,489		322,489		536,597
Year Two	525,152		525,152		809,158
Year Three	789,566		789,566		294,312
Year Four	243,318		243,318		281,106
Year Five	257,808		257,808		110,162
Year Six and Prior	247,804		247,804		198,755
Revolving	43,522		43,522		35,217
Total	2,429,659		2,429,659		2,265,307
Charge-offs
Year One			0
Year Two			0
Year Three			0
Year Four			5
Year Five			0
Year Six and Prior			14
Revolving			0
Total Charge-offs	0	0	19	0
Commercial and industrial | Owner occupied commercial real estate | Pass
Amortized Cost Basis of Term Loans by Year of Origination
Year One	283,766		283,766		511,547
Year Two	501,294		501,294		781,946
Year Three	770,707		770,707		255,476
Year Four	228,578		228,578		266,228
Year Five	242,952		242,952		103,943
Year Six and Prior	236,637		236,637		179,503
Revolving	43,522		43,522		34,117
Total	2,307,456		2,307,456		2,132,760
Commercial and industrial | Owner occupied commercial real estate | Watch
Amortized Cost Basis of Term Loans by Year of Origination
Year One	15,369		15,369		22,079
Year Two	11,034		11,034		3,410
Year Three	15,380		15,380		12,346
Year Four	2,690		2,690		8,520
Year Five	10,724		10,724		3,645
Year Six and Prior	6,661		6,661		11,899
Revolving	0		0		0
Total	61,858		61,858		61,899
Commercial and industrial | Owner occupied commercial real estate | Substandard
Amortized Cost Basis of Term Loans by Year of Origination
Year One	23,354		23,354		2,971
Year Two	12,824		12,824		23,802
Year Three	3,479		3,479		26,490
Year Four	12,050		12,050		6,358
Year Five	4,132		4,132		2,574
Year Six and Prior	4,506		4,506		7,353
Revolving	0		0		1,100
Total	60,345		60,345		70,648
Commercial and industrial | Non-owner occupied commercial real estate
Amortized Cost Basis of Term Loans by Year of Origination
Year One	508,691		508,691		764,392
Year Two	753,433		753,433		522,651
Year Three	481,602		481,602		232,070
Year Four	222,797		222,797		316,201
Year Five	284,520		284,520		188,242
Year Six and Prior	362,089		362,089		236,439
Revolving	43,226		43,226		70,945
Total	2,656,358		2,656,358		2,330,940
Charge-offs
Year One			0
Year Two			62
Year Three			0
Year Four			29
Year Five			398
Year Six and Prior			147
Revolving			0
Total Charge-offs	607	0	636	322
Commercial and industrial | Non-owner occupied commercial real estate | Pass
Amortized Cost Basis of Term Loans by Year of Origination
Year One	479,766		479,766		756,059
Year Two	743,063		743,063		515,075
Year Three	480,475		480,475		227,383
Year Four	219,733		219,733		261,964
Year Five	242,084		242,084		127,400
Year Six and Prior	276,518		276,518		210,289
Revolving	43,226		43,226		70,398
Total	2,484,865		2,484,865		2,168,568
Commercial and industrial | Non-owner occupied commercial real estate | Watch
Amortized Cost Basis of Term Loans by Year of Origination
Year One	28,925		28,925		8,131
Year Two	3,673		3,673		792
Year Three	437		437		2,849
Year Four	2,412		2,412		38,218
Year Five	27,620		27,620		38,510
Year Six and Prior	51,230		51,230		16,180
Revolving	0		0		547
Total	114,297		114,297		105,227
Commercial and industrial | Non-owner occupied commercial real estate | Substandard
Amortized Cost Basis of Term Loans by Year of Origination
Year One	0		0		202
Year Two	6,697		6,697		6,784
Year Three	690		690		1,838
Year Four	652		652		16,019
Year Five	14,816		14,816		22,332
Year Six and Prior	34,341		34,341		9,970
Revolving	0		0		0
Total	57,196		57,196		57,145
Commercial and industrial | Real estate construction
Amortized Cost Basis of Term Loans by Year of Origination
Year One	207,765		207,765		600,622
Year Two	551,893		551,893		344,965
Year Three	210,160		210,160		90,090
Year Four	35,479		35,479		21,667
Year Five	11,885		11,885		4,046
Year Six and Prior	3,934		3,934		6,440
Revolving	8,438		8,438		8,252
Total	1,029,554		1,029,554		1,076,082
Charge-offs
Year One			0
Year Two			0
Year Three			0
Year Four			0
Year Five			0
Year Six and Prior			0
Revolving			0
Total Charge-offs	0	35	0	35
Commercial and industrial | Real estate construction | Pass
Amortized Cost Basis of Term Loans by Year of Origination
Year One	207,371		207,371		597,370
Year Two	529,810		529,810		328,391
Year Three	207,672		207,672		88,660
Year Four	35,069		35,069		21,221
Year Five	11,885		11,885		2,568
Year Six and Prior	3,834		3,834		6,274
Revolving	8,438		8,438		8,252
Total	1,004,079		1,004,079		1,052,736
Commercial and industrial | Real estate construction | Watch
Amortized Cost Basis of Term Loans by Year of Origination
Year One	0		0		665
Year Two	12,808		12,808		16,218
Year Three	1,823		1,823		1,257
Year Four	74		74		0
Year Five	0		0		0
Year Six and Prior	100		100		122
Revolving	0		0		0
Total	14,805		14,805		18,262
Commercial and industrial | Real estate construction | Substandard
Amortized Cost Basis of Term Loans by Year of Origination
Year One	394		394		2,587
Year Two	9,275		9,275		356
Year Three	665		665		173
Year Four	336		336		446
Year Five	0		0		1,478
Year Six and Prior	0		0		44
Revolving	0		0		0
Total	10,670		10,670		5,084
Agricultural and agricultural real estate
Amortized Cost Basis of Term Loans by Year of Origination
Year One	134,833		134,833		337,260
Year Two	239,763		239,763		143,991
Year Three	121,694		121,694		83,376
Year Four	70,454		70,454		36,947
Year Five	30,372		30,372		35,367
Year Six and Prior	63,501		63,501		42,026
Revolving	181,499		181,499		241,543
Total	842,116		842,116		920,510
Charge-offs
Year One			0
Year Two			0
Year Three			0
Year Four			9
Year Five			0
Year Six and Prior			1
Revolving			5,309
Total Charge-offs	10	34	5,319	3,163
Agricultural and agricultural real estate | Pass
Amortized Cost Basis of Term Loans by Year of Origination
Year One	130,711		130,711		324,791
Year Two	231,769		231,769		140,252
Year Three	119,184		119,184		79,307
Year Four	68,386		68,386		34,447
Year Five	29,310		29,310		22,600
Year Six and Prior	49,609		49,609		38,672
Revolving	178,635		178,635		239,686
Total	807,604		807,604		879,755
Agricultural and agricultural real estate | Watch
Amortized Cost Basis of Term Loans by Year of Origination
Year One	2,626		2,626		3,795
Year Two	359		359		515
Year Three	740		740		3,865
Year Four	2,033		2,033		641
Year Five	150		150		444
Year Six and Prior	438		438		672
Revolving	2,292		2,292		902
Total	8,638		8,638		10,834
Agricultural and agricultural real estate | Substandard
Amortized Cost Basis of Term Loans by Year of Origination
Year One	1,496		1,496		8,674
Year Two	7,635		7,635		3,224
Year Three	1,770		1,770		204
Year Four	35		35		1,859
Year Five	912		912		12,323
Year Six and Prior	13,454		13,454		2,682
Revolving	572		572		955
Total	25,874		25,874		29,921
Residential real estate
Amortized Cost Basis of Term Loans by Year of Origination
Year One	61,573		61,573		189,867
Year Two	184,770		184,770		270,929
Year Three	251,978		251,978		65,739
Year Four	77,342		77,342		40,524
Year Five	44,946		44,946		37,951
Year Six and Prior	174,080		174,080		224,621
Revolving	19,114		19,114		23,730
Total	813,803		813,803		853,361
Charge-offs
Year One			0
Year Two			59
Year Three			0
Year Four			0
Year Five			0
Year Six and Prior			0
Revolving			0
Total Charge-offs	0	1	59	138
Residential real estate | Pass
Amortized Cost Basis of Term Loans by Year of Origination
Year One	60,769		60,769		189,133
Year Two	183,291		183,291		268,561
Year Three	247,584		247,584		64,627
Year Four	75,960		75,960		39,468
Year Five	44,007		44,007		34,863
Year Six and Prior	166,554		166,554		217,489
Revolving	18,715		18,715		23,331
Total	796,880		796,880		837,472
Residential real estate | Watch
Amortized Cost Basis of Term Loans by Year of Origination
Year One	63		63		706
Year Two	1,479		1,479		1,095
Year Three	1,666		1,666		88
Year Four	614		614		957
Year Five	674		674		2,296
Year Six and Prior	4,194		4,194		2,237
Revolving	0		0		399
Total	8,690		8,690		7,778
Residential real estate | Substandard
Amortized Cost Basis of Term Loans by Year of Origination
Year One	741		741		28
Year Two	0		0		1,273
Year Three	2,728		2,728		1,024
Year Four	768		768		99
Year Five	265		265		792
Year Six and Prior	3,332		3,332		4,895
Revolving	399		399		0
Total	8,233		8,233		8,111
Consumer
Amortized Cost Basis of Term Loans by Year of Origination
Year One	42,269		42,269		80,800
Year Two	66,535		66,535		48,309
Year Three	39,284		39,284		11,999
Year Four	9,102		9,102		6,444
Year Five	4,356		4,356		4,989
Year Six and Prior	16,863		16,863		27,778
Revolving	326,978		326,978		326,394
Total	505,387		505,387		506,713
Charge-offs
Year One			0
Year Two			210
Year Three			112
Year Four			23
Year Five			18
Year Six and Prior			27
Revolving			2,824
Total Charge-offs	2,003	$ 483	3,214	$ 6,442
Consumer | Pass
Amortized Cost Basis of Term Loans by Year of Origination
Year One	41,649		41,649		80,592
Year Two	66,162		66,162		47,787
Year Three	38,254		38,254		11,722
Year Four	9,007		9,007		6,022
Year Five	4,167		4,167		4,840
Year Six and Prior	14,394		14,394		24,655
Revolving	325,015		325,015		325,247
Total	498,648		498,648		500,865
Consumer | Watch
Amortized Cost Basis of Term Loans by Year of Origination
Year One	618		618		20
Year Two	91		91		191
Year Three	710		710		35
Year Four	26		26		119
Year Five	44		44		74
Year Six and Prior	430		430		1,584
Revolving	1,582		1,582		953
Total	3,501		3,501		2,976
Consumer | Substandard
Amortized Cost Basis of Term Loans by Year of Origination
Year One	2		2		188
Year Two	282		282		331
Year Three	320		320		242
Year Four	69		69		303
Year Five	145		145		75
Year Six and Prior	2,039		2,039		1,539
Revolving	381		381		194
Total	$ 3,238		$ 3,238		$ 2,872

LOANS (Past due financing recei

LOANS (Past due financing receivables) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable, Past Due [Line Items]
Nonaccrual	$ 51,304	$ 58,231
Total Loans	11,872,436	11,428,352
Total Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	14,327	5,039
30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	12,160	3,907
60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	1,656	859
90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	511	273
Current
Financing Receivable, Past Due [Line Items]
Total Loans	11,806,805	11,365,082
Commercial and industrial | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Nonaccrual	20,053	22,766
Total Loans	3,591,809	3,464,414
Commercial and industrial | Commercial and industrial | Total Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	3,541	1,586
Commercial and industrial | Commercial and industrial | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	2,736	1,099
Commercial and industrial | Commercial and industrial | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	653	356
Commercial and industrial | Commercial and industrial | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	152	131
Commercial and industrial | Commercial and industrial | Current
Financing Receivable, Past Due [Line Items]
Total Loans	3,568,215	3,440,062
Commercial and industrial | Paycheck Protection Program ("PPP")
Financing Receivable, Past Due [Line Items]
Nonaccrual	0	19
Total Loans	3,750	11,025
Commercial and industrial | Paycheck Protection Program ("PPP") | Total Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	652	0
Commercial and industrial | Paycheck Protection Program ("PPP") | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	597	0
Commercial and industrial | Paycheck Protection Program ("PPP") | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	35	0
Commercial and industrial | Paycheck Protection Program ("PPP") | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	20	0
Commercial and industrial | Paycheck Protection Program ("PPP") | Current
Financing Receivable, Past Due [Line Items]
Total Loans	3,098	11,006
Commercial and industrial | Owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Nonaccrual	5,720	8,803
Total Loans	2,429,659	2,265,307
Commercial and industrial | Owner occupied commercial real estate | Total Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	1,025	139
Commercial and industrial | Owner occupied commercial real estate | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	707	12
Commercial and industrial | Owner occupied commercial real estate | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	0	127
Commercial and industrial | Owner occupied commercial real estate | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	318	0
Commercial and industrial | Owner occupied commercial real estate | Current
Financing Receivable, Past Due [Line Items]
Total Loans	2,422,914	2,256,365
Commercial and industrial | Non-owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Nonaccrual	6,773	11,658
Total Loans	2,656,358	2,330,940
Commercial and industrial | Non-owner occupied commercial real estate | Total Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	125	0
Commercial and industrial | Non-owner occupied commercial real estate | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	125	0
Commercial and industrial | Non-owner occupied commercial real estate | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	0	0
Commercial and industrial | Non-owner occupied commercial real estate | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	0	0
Commercial and industrial | Non-owner occupied commercial real estate | Current
Financing Receivable, Past Due [Line Items]
Total Loans	2,649,460	2,319,282
Commercial and industrial | Real estate construction
Financing Receivable, Past Due [Line Items]
Nonaccrual	2,762	2,351
Total Loans	1,029,554	1,076,082
Commercial and industrial | Real estate construction | Total Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	4,752	44
Commercial and industrial | Real estate construction | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	4,752	16
Commercial and industrial | Real estate construction | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	0	28
Commercial and industrial | Real estate construction | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	0	0
Commercial and industrial | Real estate construction | Current
Financing Receivable, Past Due [Line Items]
Total Loans	1,022,040	1,073,687
Agricultural and agricultural real estate
Financing Receivable, Past Due [Line Items]
Nonaccrual	9,495	6,232
Total Loans	842,116	920,510
Agricultural and agricultural real estate | Total Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	12	190
Agricultural and agricultural real estate | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	0	48
Agricultural and agricultural real estate | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	12	0
Agricultural and agricultural real estate | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	0	142
Agricultural and agricultural real estate | Current
Financing Receivable, Past Due [Line Items]
Total Loans	832,609	914,088
Residential real estate
Financing Receivable, Past Due [Line Items]
Nonaccrual	5,057	5,264
Total Loans	813,803	853,361
Residential real estate | Total Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	2,108	1,358
Residential real estate | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	1,310	1,206
Residential real estate | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	777	152
Residential real estate | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	21	0
Residential real estate | Current
Financing Receivable, Past Due [Line Items]
Total Loans	806,638	846,739
Consumer
Financing Receivable, Past Due [Line Items]
Nonaccrual	1,444	1,138
Total Loans	505,387	506,713
Consumer | Total Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	2,112	1,722
Consumer | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	1,933	1,526
Consumer | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	179	196
Consumer | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Total Loans	0	0
Consumer | Current
Financing Receivable, Past Due [Line Items]
Total Loans	$ 501,831	$ 503,853

ALLOWANCE FOR CREDIT LOSSES (De

ALLOWANCE FOR CREDIT LOSSES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	$ 111,198	$ 101,353	$ 109,483	$ 110,088
Charge-offs	(3,964)	(938)	(15,728)	(15,628)
Recoveries	302	912	3,768	2,694
Provision (benefit)	2,672	4,388	12,685	8,561
Ending Balance	110,208	105,715	110,208	105,715
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	18,636	17,780	20,196	15,462
Provision (benefit)	(1,156)	1,104	(2,716)	3,422
Ending balance	17,480	18,884	17,480	18,884
Agricultural and Agricultural Real Estate
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	3,511	2,948	2,634	5,213
Charge-offs	(10)	(34)	(5,319)	(3,163)
Recoveries	0	76	11	653
Provision (benefit)	903	(423)	7,078	(136)
Ending Balance	4,404	2,567	4,404	2,567
Residential Real Estate
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	7,644	8,571	7,711	8,427
Charge-offs	0	(1)	(59)	(138)
Recoveries	0	0	19	0
Provision (benefit)	(537)	(1,144)	(564)	(863)
Ending Balance	7,107	7,426	7,107	7,426
Consumer
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	9,716	9,379	9,582	9,050
Charge-offs	(2,003)	(483)	(3,214)	(6,442)
Recoveries	127	307	1,592	779
Provision (benefit)	1,624	205	1,504	6,021
Ending Balance	9,464	9,408	9,464	9,408
Commercial and Industrial | Commercial and industrial
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	29,396	27,668	29,071	27,738
Charge-offs	(1,344)	(385)	(6,481)	(5,528)
Recoveries	167	506	2,007	1,157
Provision (benefit)	77	2,474	3,699	6,896
Ending Balance	28,296	30,263	28,296	30,263
Owner occupied commercial real estate | Commercial and industrial
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	14,709	17,658	13,948	19,214
Charge-offs	0	0	(19)	0
Recoveries	1	0	113	40
Provision (benefit)	(36)	(686)	632	(2,282)
Ending Balance	14,674	16,972	14,674	16,972
Non-owner occupied commercial real estate | Commercial and industrial
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	17,976	15,738	16,539	17,908
Charge-offs	(607)	0	(636)	(322)
Recoveries	0	20	0	53
Provision (benefit)	(85)	(949)	1,381	(2,830)
Ending Balance	17,284	14,809	17,284	14,809
Real Estate Construction | Commercial and industrial
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	28,246	19,391	29,998	22,538
Charge-offs	0	(35)	0	(35)
Recoveries	7	3	26	12
Provision (benefit)	726	4,911	(1,045)	1,755
Ending Balance	$ 28,979	$ 24,270	$ 28,979	$ 24,270

GOODWILL, CORE DEPOSIT PREMIU_3

GOODWILL, CORE DEPOSIT PREMIUM AND OTHER INTANGIBLE ASSETS (Narrative) (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2023 USD ($) thirdParty	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Goodwill [Line Items]
Goodwill		$ 576,005		$ 576,005
Proceeds from sale of mortgage servicing rights		6,714	$ 0
Mortgage Servicing Rights
Goodwill [Line Items]
Unpaid principal balance of loans	$ 698,500
Number of unrelated third-parties | thirdParty	2
Sale of mortgage servicing rights	$ 7,700	$ 7,654	$ 0
Proceeds from sale of mortgage servicing rights	6,700
Loss on disposition of intangible assets	203
Receivable due to the timing of servicing transfer	$ 580

GOODWILL, CORE DEPOSIT PREMIU_4

GOODWILL, CORE DEPOSIT PREMIUM AND OTHER INTANGIBLE ASSETS (Carrying amount of intangible assets (including accumulated amortization) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 101,185	$ 114,885
Accumulated Amortization	81,159	81,891
Net Carrying Amount	20,026	32,994
Core deposit intangibles
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	101,185	101,185
Accumulated Amortization	81,159	76,031
Net Carrying Amount	20,026	25,154
Mortgage Servicing Rights
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	0	13,700
Accumulated Amortization	0	5,860
Net Carrying Amount	$ 0	$ 7,840

GOODWILL, CORE DEPOSIT PREMIU_5

GOODWILL, CORE DEPOSIT PREMIUM AND OTHER INTANGIBLE ASSETS (Estimated future amortization expense for amortizable intangible assets) (Details) - Core Deposit Intangibles $ in Thousands	Sep. 30, 2023 USD ($)
Future amortization expense for amortizable intangible assets [Line Items]
Three months ending December 31, 2023	$ 1,611
Year ending December 31,
2024	5,591
2025	4,700
2026	3,533
2027	2,601
2028	1,287
Thereafter	703
Total	$ 20,026

GOODWILL, CORE DEPOSIT PREMIU_6

GOODWILL, CORE DEPOSIT PREMIUM AND OTHER INTANGIBLE ASSETS (Changes in capitalized mortgage and commercial servicing rights) (Details) - Mortgage Servicing Rights - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2023	Sep. 30, 2023	Sep. 30, 2022
Servicing Asset at Fair Value, Amount [Roll Forward]
Balance at beginning of period	$ 7,840	$ 7,840	$ 6,412
Originations		24	1,218
Amortization		(210)	(909)
Sale of mortgage servicing rights	$ (7,700)	(7,654)	0
Valuation adjustment		0	1,658
Balance at end of period		$ 0	$ 8,379
Mortgage servicing rights, net to servicing portfolio (as a percent)		0%	1.14%

GOODWILL, CORE DEPOSIT PREMIU_7

GOODWILL, CORE DEPOSIT PREMIUM AND OTHER INTANGIBLE ASSETS (Book value, fair value of commercial serving rights and impairment) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)
15 Years
Finite-Lived Intangible Assets [Line Items]
Book Value	$ 1,388
Fair Value	1,388
Valuation Allowance	0
30 Years
Finite-Lived Intangible Assets [Line Items]
Book Value	6,452
Fair Value	6,452
Valuation Allowance	$ 0

DERIVATIVE FINANCIAL INSTRUME_3

DERIVATIVE FINANCIAL INSTRUMENTS (Derivatives narrative) (Details) - Interest rate swap - Back-to-Back Loan Swaps - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Derivative [Line Items]
Cash pledged as collateral	$ 587	$ 793
Counterparties
Derivative [Line Items]
Cash pledged as collateral	$ 179,400	$ 45,100

DERIVATIVE FINANCIAL INSTRUME_4

DERIVATIVE FINANCIAL INSTRUMENTS (Cash flow hedges narrative) (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023 USD ($)	Dec. 31, 2021 USD ($) swap
Derivative [Line Items]
Estimated amount to be reclassified from accumulated other comprehensive income to interest expense	$ 985
Unaffiliated Bank
Derivative [Line Items]
Derivative, number of swaps | swap		2
Estimated amount to be reclassified from accumulated other comprehensive income to interest expense		$ 411
Interest rate swap | Cash Flow Hedges
Derivative [Line Items]
Derivative, notional amount	$ 500,000

DERIVATIVE FINANCIAL INSTRUME_5

DERIVATIVE FINANCIAL INSTRUMENTS (Effects of Fair Value Hedging) (Details) - Designated as Hedging Instrument - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Loans Receivable
Derivative [Line Items]
Hedged item	$ (11,144)	$ (34)	$ (24,026)	$ (117)
Derivatives designated as hedging instruments	10,769	$ 39	23,655	$ 161
Securities (Assets)
Derivative [Line Items]
Hedged item	(36,362)		(65,872)
Derivatives designated as hedging instruments	$ 35,236		$ 64,820

DERIVATIVE FINANCIAL INSTRUME_6

DERIVATIVE FINANCIAL INSTRUMENTS (Balance Sheet Category and Fair Values of Derivative Instruments (Cash Flow Hedges)) (Details) - USD ($)	Sep. 30, 2023	Dec. 31, 2022
Derivatives, Fair Value [Line Items]
Derivative Asset, Statement of Financial Position [Extensible Enumeration]		Other assets
Interest rate swap
Derivatives, Fair Value [Line Items]
Notional Amount		$ 500,000,000
Fair Value		$ 13,000
Other Assets | Interest rate swap
Derivatives, Fair Value [Line Items]
Notional Amount	$ 0

DERIVATIVE FINANCIAL INSTRUME_7

DERIVATIVE FINANCIAL INSTRUMENTS (Gains (Losses) Recognized on Derivatives (Cash Flow Hedges)) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Trading Activity, Gains and Losses, Net [Line Items]
Gains Recognized in OCI	$ 0	$ 0	$ 1,952	$ 0
Gains Reclassed from AOCI into Income	63	(189)	(638)	(552)
Derivative financial instruments
Trading Activity, Gains and Losses, Net [Line Items]
Gains Recognized in OCI	0	0	1,952	0
Interest Income | Derivative financial instruments
Trading Activity, Gains and Losses, Net [Line Items]
Gains Reclassed from AOCI into Income	$ 63	$ 0	$ (638)	$ 0

DERIVATIVE FINANCIAL INSTRUME_8

DERIVATIVE FINANCIAL INSTRUMENTS (Fair value hedges narrative) (Details) - Fair Value Hedging $ in Millions	9 Months Ended
	Sep. 30, 2023 USD ($)
Interest Rate Swap, Conversion From Fixed To Floating Rates
Derivative [Line Items]
Derivative, notional amount, executed	$ 2,500
Interest Rate Swap, Protection For Unrealized Securities Losses
Derivative [Line Items]
Derivative, notional amount, executed	$ 838.1

DERIVATIVE FINANCIAL INSTRUME_9

DERIVATIVE FINANCIAL INSTRUMENTS (Fair value hedges balance sheet category and fair values) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Derivative [Line Items]
Hedged Asset, Statement of Financial Position [Extensible Enumeration]		Nonpass loans
Interest rate swaps-securities carried at fair value
Derivative [Line Items]
Fair Value	$ 24,998	$ 54
Hedged Asset, Statement of Financial Position [Extensible Enumeration]	Other assets
Interest rate swaps-loans receivable held to maturity
Derivative [Line Items]
Fair Value	$ 66,853
Hedged Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets

DERIVATIVE FINANCIAL INSTRUM_10

DERIVATIVE FINANCIAL INSTRUMENTS (Carrying amount of hedged assets and fair value hedging adjustment) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Derivative [Line Items]
Hedged Asset, Statement of Financial Position [Extensible Enumeration]		Nonpass loans
Derivative financial instruments
Derivative [Line Items]
Carrying Amount of the Hedged Assets		$ 1,185
Cumulative Amount of Fair Value Hedging Adjustment Included in Carrying Amount of Hedged Assets		$ (54)
Derivative financial instruments | Loans receivable held to maturity
Derivative [Line Items]
Carrying Amount of the Hedged Assets	$ 2,476,983
Cumulative Amount of Fair Value Hedging Adjustment Included in Carrying Amount of Hedged Assets	(23,707)
Derivative financial instruments | Securities carried at fair value
Derivative [Line Items]
Carrying Amount of the Hedged Assets	729,528
Cumulative Amount of Fair Value Hedging Adjustment Included in Carrying Amount of Hedged Assets	$ (64,820)

DERIVATIVE FINANCIAL INSTRUM_11

DERIVATIVE FINANCIAL INSTRUMENTS (Fair value hedges gains (losses) recognized) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Derivative Instruments, Gain (Loss) [Line Items]
Interest and fees on loans	$ 182,394	$ 122,913	$ 505,136	$ 334,000
Taxable	54,800	45,648	168,948	116,366
Gain (loss) recognized in interest income and fees on loans
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in interest income and fees on loans	(375)	5	(371)	44
Gain (loss) recognized in interest income on securities-taxable
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in interest income and fees on loans	$ (1,126)	$ 0	$ (1,052)	$ 0

DERIVATIVE FINANCIAL INSTRUM_12

DERIVATIVE FINANCIAL INSTRUMENTS (Embedded derivatives balance sheet category and fair values) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Derivative [Line Items]
Derivative Asset, Statement of Financial Position [Extensible Enumeration]		Other assets
Embedded derivatives
Derivative [Line Items]
Notional Amount	$ 4,185	$ 6,028
Fair Value	$ 109	$ 135
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets

DERIVATIVE FINANCIAL INSTRUM_13

DERIVATIVE FINANCIAL INSTRUMENTS (Embedded derivatives gain (losses) recognized) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Other noninterest income
Derivative [Line Items]
Gain (loss) recognized in other noninterest income on embedded derivatives	$ (9)	$ 121	$ (26)	$ 446

DERIVATIVE FINANCIAL INSTRUM_14

DERIVATIVE FINANCIAL INSTRUMENTS (Back-to-back loan swaps balance sheet category and fair values) (Details) - Back-to-Back Loan Swaps - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Other assets
Derivative [Line Items]
Notional Amount	$ 1,500,715	$ 819,662
Fair Value	75,965	46,091
Other liabilities
Derivative [Line Items]
Notional Amount	1,500,715	819,662
Fair Value	$ (75,965)	$ (46,091)

DERIVATIVE FINANCIAL INSTRUM_15

DERIVATIVE FINANCIAL INSTRUMENTS (Back-to-back loan swaps narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Back-to-Back Loan Swaps
Derivative [Line Items]
Fee Income	$ 1.6	$ 1.3	$ 6.7	$ 5.8

DERIVATIVE FINANCIAL INSTRUM_16

DERIVATIVE FINANCIAL INSTRUMENTS (Other free standing derivatives balance sheet category and fair values) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Other assets | Interest rate lock commitments (mortgage)
Assets
Notional Amount, Asset	$ 4,000	$ 9,340
Fair Value	99	174
Other assets | Forward commitments
Assets
Notional Amount, Asset	7,500	6,400
Fair Value	41	47
Other liabilities | Forward commitments
Liabilities
Notional Amount, Liability	1,750	5,750
Fair Value	(5)	(99)
Other liabilities | Undesignated interest rate swaps
Liabilities
Notional Amount, Liability	4,185	6,028
Fair Value	$ (109)	$ (135)

DERIVATIVE FINANCIAL INSTRUM_17

DERIVATIVE FINANCIAL INSTRUMENTS (Other free standing derivatives gains (losses) recognized) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest rate lock commitments (mortgage)
Trading Activity, Gains and Losses, Net [Line Items]
Gains (losses) recognized in income	$ (352)	$ (1,337)	$ (70)	$ (2,009)
Forward commitments
Trading Activity, Gains and Losses, Net [Line Items]
Gains (losses) recognized in income	(4)	813	87	881
Undesignated interest rate swaps
Trading Activity, Gains and Losses, Net [Line Items]
Gains (losses) recognized in income	$ 9	$ (121)	$ 26	$ (446)

FAIR VALUE (Narrative) (Details

FAIR VALUE (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2023	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, book value		$ 0		$ 7,840
Mortgage Servicing Rights
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Sale of mortgage servicing rights	$ 7,700	$ 7,654	$ 0
Servicing right, fair value	0
Servicing rights, book value	$ 0

FAIR VALUE (Fair value measurem

FAIR VALUE (Fair value measurement recurring) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Assets
Securities available for sale	$ 904,118
Equity securities with a readily determinable fair value	20,838	$ 20,314
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Securities available for sale	31,805	31,699
Derivative instruments	0	0
Liabilities
Fair Value	0	0
Significant Other Observable Inputs (Level 2)
Assets
Securities available for sale	5,450,882	6,115,445
Derivative instruments	167,925	46,293
Liabilities
Fair Value	76,074	46,226
Significant Unobservable Inputs (Level 3)
Assets
Securities available for sale	0	0
Derivative instruments	0	0
Liabilities
Fair Value	0	0
Derivative financial instruments
Assets
Derivative instruments		13
Interest rate lock commitments | Significant Unobservable Inputs (Level 3)
Assets
Derivative instruments	99	174
U.S. treasuries
Assets
Securities available for sale	31,805	31,699
U.S. agencies
Assets
Securities available for sale	41,104	43,135
Obligations of states and political subdivisions
Assets
Securities available for sale	774,687	879,437
Commercial mortgage-backed securities - agency
Assets
Securities available for sale	81,444	85,123
Commercial mortgage-backed securities - non-agency
Assets
Securities available for sale	602,433	659,459
Asset-backed securities
Assets
Securities available for sale	384,379	416,054
Corporate bonds
Assets
Securities available for sale	56,522	57,942
Recurring Basis
Assets
Equity securities with a readily determinable fair value	20,838	20,314
Total assets at fair value	5,650,752	6,193,658
Liabilities
Total liabilities at fair value	76,079	46,325
Recurring Basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Equity securities with a readily determinable fair value	0	0
Total assets at fair value	31,805	31,699
Liabilities
Total liabilities at fair value	0	0
Recurring Basis | Significant Other Observable Inputs (Level 2)
Assets
Equity securities with a readily determinable fair value	20,838	20,314
Total assets at fair value	5,618,848	6,161,785
Liabilities
Total liabilities at fair value	76,079	46,325
Recurring Basis | Significant Unobservable Inputs (Level 3)
Assets
Equity securities with a readily determinable fair value	0	0
Total assets at fair value	99	174
Liabilities
Total liabilities at fair value	0	0
Recurring Basis | Derivative financial instruments
Assets
Derivative instruments	167,925	46,293
Liabilities
Fair Value	76,074	46,226
Recurring Basis | Derivative financial instruments | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Derivative instruments	0	0
Liabilities
Fair Value	0	0
Recurring Basis | Derivative financial instruments | Significant Other Observable Inputs (Level 2)
Assets
Derivative instruments	167,925	46,293
Liabilities
Fair Value	76,074	46,226
Recurring Basis | Derivative financial instruments | Significant Unobservable Inputs (Level 3)
Assets
Derivative instruments	0	0
Liabilities
Fair Value	0	0
Recurring Basis | Interest rate lock commitments
Assets
Derivative instruments	99	174
Recurring Basis | Interest rate lock commitments | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Derivative instruments	0	0
Recurring Basis | Interest rate lock commitments | Significant Other Observable Inputs (Level 2)
Assets
Derivative instruments	0	0
Recurring Basis | Interest rate lock commitments | Significant Unobservable Inputs (Level 3)
Assets
Derivative instruments	99	174
Recurring Basis | Forward commitments
Assets
Derivative instruments	41	47
Liabilities
Fair Value	5	99
Recurring Basis | Forward commitments | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Derivative instruments	0	0
Liabilities
Fair Value	0	0
Recurring Basis | Forward commitments | Significant Other Observable Inputs (Level 2)
Assets
Derivative instruments	41	47
Liabilities
Fair Value	5	99
Recurring Basis | Forward commitments | Significant Unobservable Inputs (Level 3)
Assets
Derivative instruments	0	0
Liabilities
Fair Value	0	0
Recurring Basis | U.S. treasuries
Assets
Securities available for sale	31,805	31,699
Recurring Basis | U.S. treasuries | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Securities available for sale	31,805	31,699
Recurring Basis | U.S. treasuries | Significant Other Observable Inputs (Level 2)
Assets
Securities available for sale	0	0
Recurring Basis | U.S. treasuries | Significant Unobservable Inputs (Level 3)
Assets
Securities available for sale	0	0
Recurring Basis | U.S. agencies
Assets
Securities available for sale	41,104	43,135
Recurring Basis | U.S. agencies | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Securities available for sale	0	0
Recurring Basis | U.S. agencies | Significant Other Observable Inputs (Level 2)
Assets
Securities available for sale	41,104	43,135
Recurring Basis | U.S. agencies | Significant Unobservable Inputs (Level 3)
Assets
Securities available for sale	0	0
Recurring Basis | Obligations of states and political subdivisions
Assets
Securities available for sale	774,687	879,437
Recurring Basis | Obligations of states and political subdivisions | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Securities available for sale	0	0
Recurring Basis | Obligations of states and political subdivisions | Significant Other Observable Inputs (Level 2)
Assets
Securities available for sale	774,687	879,437
Recurring Basis | Obligations of states and political subdivisions | Significant Unobservable Inputs (Level 3)
Assets
Securities available for sale	0	0
Recurring Basis | Mortgage-backed securities - agency
Assets
Securities available for sale	1,594,395	1,772,105
Recurring Basis | Mortgage-backed securities - agency | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Securities available for sale	0	0
Recurring Basis | Mortgage-backed securities - agency | Significant Other Observable Inputs (Level 2)
Assets
Securities available for sale	1,594,395	1,772,105
Recurring Basis | Mortgage-backed securities - agency | Significant Unobservable Inputs (Level 3)
Assets
Securities available for sale	0	0
Recurring Basis | Mortgage-backed securities - non-agency
Assets
Securities available for sale	1,895,080	2,181,876
Recurring Basis | Mortgage-backed securities - non-agency | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Securities available for sale	0	0
Recurring Basis | Mortgage-backed securities - non-agency | Significant Other Observable Inputs (Level 2)
Assets
Securities available for sale	1,895,080	2,181,876
Recurring Basis | Mortgage-backed securities - non-agency | Significant Unobservable Inputs (Level 3)
Assets
Securities available for sale	0	0
Recurring Basis | Commercial mortgage-backed securities - agency
Assets
Securities available for sale	81,444	85,123
Recurring Basis | Commercial mortgage-backed securities - agency | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Securities available for sale	0	0
Recurring Basis | Commercial mortgage-backed securities - agency | Significant Other Observable Inputs (Level 2)
Assets
Securities available for sale	81,444	85,123
Recurring Basis | Commercial mortgage-backed securities - agency | Significant Unobservable Inputs (Level 3)
Assets
Securities available for sale	0	0
Recurring Basis | Commercial mortgage-backed securities - non-agency
Assets
Securities available for sale	602,433	659,459
Recurring Basis | Commercial mortgage-backed securities - non-agency | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Securities available for sale	0	0
Recurring Basis | Commercial mortgage-backed securities - non-agency | Significant Other Observable Inputs (Level 2)
Assets
Securities available for sale	602,433	659,459
Recurring Basis | Commercial mortgage-backed securities - non-agency | Significant Unobservable Inputs (Level 3)
Assets
Securities available for sale	0	0
Recurring Basis | Asset-backed securities
Assets
Securities available for sale	384,379	416,054
Recurring Basis | Asset-backed securities | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Securities available for sale	0	0
Recurring Basis | Asset-backed securities | Significant Other Observable Inputs (Level 2)
Assets
Securities available for sale	384,379	416,054
Recurring Basis | Asset-backed securities | Significant Unobservable Inputs (Level 3)
Assets
Securities available for sale	0	0
Recurring Basis | Corporate bonds
Assets
Securities available for sale	56,522	57,942
Recurring Basis | Corporate bonds | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Securities available for sale	0	0
Recurring Basis | Corporate bonds | Significant Other Observable Inputs (Level 2)
Assets
Securities available for sale	56,522	57,942
Recurring Basis | Corporate bonds | Significant Unobservable Inputs (Level 3)
Assets
Securities available for sale	$ 0	$ 0

FAIR VALUE (Fair value measur_2

FAIR VALUE (Fair value measurement non-recurring) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Mar. 31, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned	$ 14,362		$ 8,401
Mortgage Servicing Rights
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Servicing rights		$ 0
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	0		0
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	6,262		5,277
Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	0		0
Servicing rights			7,840
Significant Unobservable Inputs (Level 3) | Premises, furniture and equipment held for sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Premises, furniture and equipment held for sale	2,798		6,851
Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	27,333		37,882
Loans held for sale	6,262		5,277
Other real estate owned	14,362		8,401
Fair Value, Measurements, Nonrecurring | Mortgage Servicing Rights
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Servicing rights			7,840
Fair Value, Measurements, Nonrecurring | Premises, furniture and equipment held for sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Premises, furniture and equipment held for sale	2,798		6,851
Fair Value, Measurements, Nonrecurring | Year-to- Date (Gains) Losses
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	5,863		4,186
Loans held for sale	(121)		(116)
Other real estate owned	1,010		180
Fair Value, Measurements, Nonrecurring | Year-to- Date (Gains) Losses | Mortgage Servicing Rights
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Servicing rights			516
Fair Value, Measurements, Nonrecurring | Year-to- Date (Gains) Losses | Premises, furniture and equipment held for sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Premises, furniture and equipment held for sale	1,455		1,562
Fair Value, Measurements, Nonrecurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	0		0
Loans held for sale	0		0
Other real estate owned	0		0
Fair Value, Measurements, Nonrecurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Mortgage Servicing Rights
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Servicing rights			0
Fair Value, Measurements, Nonrecurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Premises, furniture and equipment held for sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Premises, furniture and equipment held for sale	0		0
Fair Value, Measurements, Nonrecurring | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	0		0
Loans held for sale	6,262		5,277
Other real estate owned	0		0
Fair Value, Measurements, Nonrecurring | Significant Other Observable Inputs (Level 2) | Mortgage Servicing Rights
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Servicing rights			0
Fair Value, Measurements, Nonrecurring | Significant Other Observable Inputs (Level 2) | Premises, furniture and equipment held for sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Premises, furniture and equipment held for sale	0		0
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	27,333		37,882
Loans held for sale	0		0
Other real estate owned	14,362		8,401
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3) | Mortgage Servicing Rights
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Servicing rights			7,840
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3) | Premises, furniture and equipment held for sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Premises, furniture and equipment held for sale	2,798		6,851
Fair Value, Measurements, Nonrecurring | Agricultural and agricultural real estate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	4,943		3,788
Fair Value, Measurements, Nonrecurring | Agricultural and agricultural real estate | Year-to- Date (Gains) Losses
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	5,309		0
Fair Value, Measurements, Nonrecurring | Agricultural and agricultural real estate | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	0		0
Fair Value, Measurements, Nonrecurring | Agricultural and agricultural real estate | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	0		0
Fair Value, Measurements, Nonrecurring | Agricultural and agricultural real estate | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	4,943		3,788
Fair Value, Measurements, Nonrecurring | Residential real estate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	2,216		1,607
Fair Value, Measurements, Nonrecurring | Residential real estate | Year-to- Date (Gains) Losses
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	0		0
Fair Value, Measurements, Nonrecurring | Residential real estate | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	0		0
Fair Value, Measurements, Nonrecurring | Residential real estate | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	0		0
Fair Value, Measurements, Nonrecurring | Residential real estate | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	2,216		1,607
Commercial and industrial | Fair Value, Measurements, Nonrecurring | Commercial and industrial
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	8,530		12,042
Commercial and industrial | Fair Value, Measurements, Nonrecurring | Commercial and industrial | Year-to- Date (Gains) Losses
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	554		4,186
Commercial and industrial | Fair Value, Measurements, Nonrecurring | Commercial and industrial | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	0		0
Commercial and industrial | Fair Value, Measurements, Nonrecurring | Commercial and industrial | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	0		0
Commercial and industrial | Fair Value, Measurements, Nonrecurring | Commercial and industrial | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	8,530		12,042
Owner occupied commercial real estate | Fair Value, Measurements, Nonrecurring | Commercial and industrial
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	4,411		7,556
Owner occupied commercial real estate | Fair Value, Measurements, Nonrecurring | Commercial and industrial | Year-to- Date (Gains) Losses
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	0		0
Owner occupied commercial real estate | Fair Value, Measurements, Nonrecurring | Commercial and industrial | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	0		0
Owner occupied commercial real estate | Fair Value, Measurements, Nonrecurring | Commercial and industrial | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	0		0
Owner occupied commercial real estate | Fair Value, Measurements, Nonrecurring | Commercial and industrial | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	4,411		7,556
Non-owner occupied commercial real estate | Fair Value, Measurements, Nonrecurring | Commercial and industrial
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	6,323		11,371
Non-owner occupied commercial real estate | Fair Value, Measurements, Nonrecurring | Commercial and industrial | Year-to- Date (Gains) Losses
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	0		0
Non-owner occupied commercial real estate | Fair Value, Measurements, Nonrecurring | Commercial and industrial | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	0		0
Non-owner occupied commercial real estate | Fair Value, Measurements, Nonrecurring | Commercial and industrial | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	0		0
Non-owner occupied commercial real estate | Fair Value, Measurements, Nonrecurring | Commercial and industrial | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	6,323		11,371
Real Estate Construction | Fair Value, Measurements, Nonrecurring | Commercial and industrial
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	910		1,518
Real Estate Construction | Fair Value, Measurements, Nonrecurring | Commercial and industrial | Year-to- Date (Gains) Losses
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	0		0
Real Estate Construction | Fair Value, Measurements, Nonrecurring | Commercial and industrial | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	0		0
Real Estate Construction | Fair Value, Measurements, Nonrecurring | Commercial and industrial | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	0		0
Real Estate Construction | Fair Value, Measurements, Nonrecurring | Commercial and industrial | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	$ 910		$ 1,518

FAIR VALUE (Quantitative Inform

FAIR VALUE (Quantitative Information about Level 3 fair value measurements) (Details) - Significant Unobservable Inputs (Level 3) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Interest rate lock commitments	$ 0	$ 0
Other real estate owned	14,362	8,401
Servicing rights		7,840
Loans receivable	27,333	37,882
Interest rate lock commitments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Interest rate lock commitments	99	174
Premises, furniture and equipment held for sale
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Premises, furniture and equipment held for sale	2,798	6,851
Interest rate lock commitments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Interest rate lock commitments	$ 99	$ 174
Closing ratio | Minimum | Interest rate lock commitments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Interest rate lock commitments, measurement input (percent)	0	0
Closing ratio | Maximum | Interest rate lock commitments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Interest rate lock commitments, measurement input (percent)	0.99	0.99
Closing ratio | Weighted Average | Interest rate lock commitments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Interest rate lock commitments, measurement input (percent)	0.89	0.88
Appraisal discount | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned, measurement input (percent)	0	0
Appraisal discount | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned, measurement input (percent)	0.10	0.10
Appraisal discount | Premises, furniture and equipment held for sale | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Premises, furniture and equipment held for sale, measurement input (percent)	0%	0%
Appraisal discount | Premises, furniture and equipment held for sale | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Premises, furniture and equipment held for sale, measurement input (percent)	10%	10%
Valuation discount | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)		9.98%
Valuation discount | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)		11.72%
Valuation discount | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)		10.02%
Constant prepayment rate | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)		7.80%
Constant prepayment rate | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)		14.20%
Constant prepayment rate | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)		7.90%
Commercial and industrial | Commercial and industrial
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable	$ 8,530	$ 12,042
Commercial and industrial | Owner occupied commercial real estate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable	4,411	7,556
Commercial and industrial | Non-owner occupied commercial real estate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable	6,323	11,371
Commercial and industrial | Real Estate Construction
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable	$ 910	$ 1,518
Commercial and industrial | Appraisal discount | Commercial and industrial | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input (percent)	0%	0%
Commercial and industrial | Appraisal discount | Commercial and industrial | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input (percent)	10%	10%
Commercial and industrial | Appraisal discount | Owner occupied commercial real estate | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input (percent)	0%	0%
Commercial and industrial | Appraisal discount | Owner occupied commercial real estate | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input (percent)	10%	10%
Commercial and industrial | Appraisal discount | Non-owner occupied commercial real estate | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input (percent)	0%	0%
Commercial and industrial | Appraisal discount | Non-owner occupied commercial real estate | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input (percent)	8%	10%
Commercial and industrial | Appraisal discount | Real Estate Construction | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input (percent)	0%	0%
Commercial and industrial | Appraisal discount | Real Estate Construction | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input (percent)	10%	10%
Agricultural and agricultural real estate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable	$ 4,943	$ 3,788
Agricultural and agricultural real estate | Appraisal discount | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input (percent)	0%	0%
Agricultural and agricultural real estate | Appraisal discount | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input (percent)	10%	15%
Residential real estate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable	$ 2,216	$ 1,607
Residential real estate | Appraisal discount | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input (percent)	0%	0%
Residential real estate | Appraisal discount | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input (percent)	10%	10%

FAIR VALUE (Changes Level 3 ass

FAIR VALUE (Changes Level 3 assets fair value, recurring) (Details) - Interest rate lock commitments - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	$ 174	$ 1,306
Total net gains included in earnings	(70)	(1,828)
Issuances	1,678	3,683
Settlements	(1,683)	(2,987)
Balance at period end	$ 99	$ 174

FAIR VALUE (Deposits held for s

FAIR VALUE (Deposits held for sale narrative) (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Net gains (losses) on sale of loans	$ 3,762	$ 6,926
Interest rate lock commitments
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Net gains (losses) on sale of loans	$ (99)		$ 174

FAIR VALUE (Estimated fair valu

FAIR VALUE (Estimated fair value financial instruments incl. carrying amounts) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Securities:
Carried at fair value	$ 904,118
Held to maturity, fair value	835,468	$ 829,403
Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Cash and cash equivalents	347,995	363,087
Time deposits in other financial institutions	1,490	1,740
Securities:
Carried at fair value	31,805	31,699
Held to maturity, fair value	0	0
Other investments	0	0
Loans held for sale	0	0
Loans, net	0	0
Cash surrender value on life insurance	0	0
Derivative instruments	0	0
Financial liabilities:
Short term borrowings	0	0
Other borrowings	0	0
Fair Value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Interest rate lock commitments
Securities:
Derivative instruments	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Demand deposits
Financial liabilities:
Deposits	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Savings deposits
Financial liabilities:
Deposits	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Time deposits
Financial liabilities:
Deposits	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Forward commitments
Securities:
Derivative instruments	0	0
Financial liabilities:
Fair Value	0	0
Level 2
Financial assets:
Cash and cash equivalents	0	0
Time deposits in other financial institutions	0	0
Securities:
Carried at fair value	5,450,882	6,115,445
Held to maturity, fair value	758,626	776,557
Other investments	90,001	74,567
Loans held for sale	6,262	5,277
Loans, net	10,979,204	10,615,955
Cash surrender value on life insurance	196,694	193,403
Derivative instruments	167,925	46,293
Financial liabilities:
Short term borrowings	392,634	376,117
Other borrowings	373,681	372,473
Fair Value	76,074	46,226
Level 2 | Interest rate lock commitments
Securities:
Derivative instruments	0	0
Level 2 | Demand deposits
Financial liabilities:
Deposits	4,792,813	5,701,340
Level 2 | Savings deposits
Financial liabilities:
Deposits	8,754,911	9,994,391
Level 2 | Time deposits
Financial liabilities:
Deposits	3,553,269	1,817,278
Level 2 | Forward commitments
Securities:
Derivative instruments	41	47
Financial liabilities:
Fair Value	5	99
Significant Unobservable Inputs (Level 3)
Financial assets:
Cash and cash equivalents	0	0
Time deposits in other financial institutions	0	0
Securities:
Carried at fair value	0	0
Held to maturity, fair value	0	0
Other investments	0	0
Loans held for sale	0	0
Loans, net	27,333	37,882
Cash surrender value on life insurance	0	0
Derivative instruments	0	0
Financial liabilities:
Short term borrowings	0	0
Other borrowings	0	0
Fair Value	0	0
Significant Unobservable Inputs (Level 3) | Interest rate lock commitments
Securities:
Derivative instruments	99	174
Significant Unobservable Inputs (Level 3) | Demand deposits
Financial liabilities:
Deposits	0	0
Significant Unobservable Inputs (Level 3) | Savings deposits
Financial liabilities:
Deposits	0	0
Significant Unobservable Inputs (Level 3) | Time deposits
Financial liabilities:
Deposits	0	0
Significant Unobservable Inputs (Level 3) | Forward commitments
Securities:
Derivative instruments	0	0
Financial liabilities:
Fair Value	0	0
Commercial and industrial | Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial and industrial
Securities:
Loans, net	0	0
Commercial and industrial | Quoted Prices in Active Markets for Identical Assets (Level 1) | Paycheck Protection Program ("PPP")
Securities:
Loans, net	0	0
Commercial and industrial | Quoted Prices in Active Markets for Identical Assets (Level 1) | Owner occupied commercial real estate
Securities:
Loans, net	0	0
Commercial and industrial | Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-owner occupied commercial real estate
Securities:
Loans, net	0	0
Commercial and industrial | Quoted Prices in Active Markets for Identical Assets (Level 1) | Real estate construction
Securities:
Loans, net	0	0
Commercial and industrial | Level 2 | Commercial and industrial
Securities:
Loans, net	3,362,902	3,258,085
Commercial and industrial | Level 2 | Paycheck Protection Program ("PPP")
Securities:
Loans, net	3,750	11,025
Commercial and industrial | Level 2 | Owner occupied commercial real estate
Securities:
Loans, net	2,220,696	2,077,109
Commercial and industrial | Level 2 | Non-owner occupied commercial real estate
Securities:
Loans, net	2,486,991	2,173,425
Commercial and industrial | Level 2 | Real estate construction
Securities:
Loans, net	976,406	1,037,726
Commercial and industrial | Significant Unobservable Inputs (Level 3) | Commercial and industrial
Securities:
Loans, net	8,530	12,042
Commercial and industrial | Significant Unobservable Inputs (Level 3) | Paycheck Protection Program ("PPP")
Securities:
Loans, net	0	0
Commercial and industrial | Significant Unobservable Inputs (Level 3) | Owner occupied commercial real estate
Securities:
Loans, net	4,411	7,556
Commercial and industrial | Significant Unobservable Inputs (Level 3) | Non-owner occupied commercial real estate
Securities:
Loans, net	6,323	11,371
Commercial and industrial | Significant Unobservable Inputs (Level 3) | Real estate construction
Securities:
Loans, net	910	1,518
Agricultural and agricultural real estate | Quoted Prices in Active Markets for Identical Assets (Level 1)
Securities:
Loans, net	0	0
Agricultural and agricultural real estate | Level 2
Securities:
Loans, net	755,079	838,849
Agricultural and agricultural real estate | Significant Unobservable Inputs (Level 3)
Securities:
Loans, net	4,943	3,788
Residential real estate | Quoted Prices in Active Markets for Identical Assets (Level 1)
Securities:
Loans, net	0	0
Residential real estate | Level 2
Securities:
Loans, net	696,865	739,718
Residential real estate | Significant Unobservable Inputs (Level 3)
Securities:
Loans, net	2,216	1,607
Consumer | Quoted Prices in Active Markets for Identical Assets (Level 1)
Securities:
Loans, net	0	0
Consumer | Level 2
Securities:
Loans, net	476,515	480,018
Consumer | Significant Unobservable Inputs (Level 3)
Securities:
Loans, net	0	0
Carrying Amount
Financial assets:
Cash and cash equivalents	347,995	363,087
Time deposits in other financial institutions	1,490	1,740
Securities:
Carried at fair value	5,482,687	6,147,144
Held to maturity, fair value	835,468	829,403
Other investments	90,001	74,567
Loans held for sale	6,262	5,277
Loans, net	11,762,228	11,318,869
Cash surrender value on life insurance	196,694	193,403
Derivative instruments	167,925	46,293
Financial liabilities:
Short term borrowings	392,634	376,117
Other borrowings	372,059	371,753
Fair Value	76,074	46,226
Carrying Amount | Interest rate lock commitments
Securities:
Derivative instruments	99	174
Carrying Amount | Demand deposits
Financial liabilities:
Deposits	4,792,813	5,701,340
Carrying Amount | Savings deposits
Financial liabilities:
Deposits	8,754,911	9,994,391
Carrying Amount | Time deposits
Financial liabilities:
Deposits	3,553,269	1,817,278
Carrying Amount | Forward commitments
Securities:
Derivative instruments	41	47
Financial liabilities:
Fair Value	5	99
Carrying Amount | Commercial and industrial | Commercial and industrial
Securities:
Loans, net	3,563,513	3,435,343
Carrying Amount | Commercial and industrial | Paycheck Protection Program ("PPP")
Securities:
Loans, net	3,750	11,025
Carrying Amount | Commercial and industrial | Owner occupied commercial real estate
Securities:
Loans, net	2,414,985	2,251,359
Carrying Amount | Commercial and industrial | Non-owner occupied commercial real estate
Securities:
Loans, net	2,639,074	2,314,401
Carrying Amount | Commercial and industrial | Real estate construction
Securities:
Loans, net	1,000,575	1,046,084
Carrying Amount | Agricultural and agricultural real estate
Securities:
Loans, net	837,712	917,876
Carrying Amount | Residential real estate
Securities:
Loans, net	806,696	845,650
Carrying Amount | Consumer
Securities:
Loans, net	495,923	497,131
Estimated Fair Value
Financial assets:
Cash and cash equivalents	347,995	363,087
Time deposits in other financial institutions	1,490	1,740
Securities:
Carried at fair value	5,482,687	6,147,144
Held to maturity, fair value	758,626	776,557
Other investments	90,001	74,567
Loans held for sale	6,262	5,277
Loans, net	11,006,537	10,653,837
Cash surrender value on life insurance	196,694	193,403
Derivative instruments	167,925	46,293
Financial liabilities:
Short term borrowings	392,634	376,117
Other borrowings	373,681	372,473
Fair Value	76,074	46,226
Estimated Fair Value | Interest rate lock commitments
Securities:
Derivative instruments	99	174
Estimated Fair Value | Demand deposits
Financial liabilities:
Deposits	4,792,813	5,701,340
Estimated Fair Value | Savings deposits
Financial liabilities:
Deposits	8,754,911	9,994,391
Estimated Fair Value | Time deposits
Financial liabilities:
Deposits	3,553,269	1,817,278
Estimated Fair Value | Forward commitments
Securities:
Derivative instruments	41	47
Financial liabilities:
Fair Value	5	99
Estimated Fair Value | Commercial and industrial | Commercial and industrial
Securities:
Loans, net	3,371,432	3,270,127
Estimated Fair Value | Commercial and industrial | Paycheck Protection Program ("PPP")
Securities:
Loans, net	3,750	11,025
Estimated Fair Value | Commercial and industrial | Owner occupied commercial real estate
Securities:
Loans, net	2,225,107	2,084,665
Estimated Fair Value | Commercial and industrial | Non-owner occupied commercial real estate
Securities:
Loans, net	2,493,314	2,184,796
Estimated Fair Value | Commercial and industrial | Real estate construction
Securities:
Loans, net	977,316	1,039,244
Estimated Fair Value | Agricultural and agricultural real estate
Securities:
Loans, net	760,022	842,637
Estimated Fair Value | Residential real estate
Securities:
Loans, net	699,081	741,325
Estimated Fair Value | Consumer
Securities:
Loans, net	$ 476,515	$ 480,018

STOCK COMPENSATION (Narrative)

STOCK COMPENSATION (Narrative) (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for issuance (in shares)	1,460,000
Shares available for issuance (in shares)	739,466
Excess tax expense (benefit) related to share-based payment awards	$ 115	$ (129)
Options granted (in shares)	0
Options outstanding (in shares)	58,066	0	64,518
Time-based RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, award vesting periods (in years)	3 years
Performance-based RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, award vesting periods (in years)	3 years
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation costs	$ 7,400	$ 7,400
Share-based unrecognized compensation costs	$ 11,000
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, award vesting periods (in years)	4 years
Share-based compensation costs	$ 165	$ 0
Share-based unrecognized compensation costs	$ 546
Options granted (in shares)			64,518
Share-based compensation arrangement, contractual term	9 years 2 months 1 day
Share-based compensation arrangement, intrinsic value	$ 0
Intrinsic value of all options exercised	0
Fair value of shares under vested stock options and awards	$ 0

STOCK COMPENSATION (Summary of

STOCK COMPENSATION (Summary of RSUs Activity) (Details) - RSUs - $ / shares	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Shares
Outstanding at beginning of period (in shares)	424,086	389,885
Granted (in shares)	272,465	238,495
Vested (in shares)	(175,313)	(158,702)
Forfeited (in shares)	(42,091)	(27,316)
Outstanding at end of period (in shares)	479,147	442,362
Weighted-Average Grant Date Fair Value
Outstanding at beginning of period (in dollars per share)	$ 46.15	$ 44.19
Granted (in dollars per share)	45.33	48.41
Vested (in dollars per share)	41.74	45.04
Forfeited (in dollars per share)	46.25	46.69
Outstanding at end of period (in dollars per share)	$ 47.29	$ 46.01

STOCK COMPENSATION (Summary o_2

STOCK COMPENSATION (Summary of Stock Options Activity) (Details)	9 Months Ended
	Sep. 30, 2023 $ / shares shares
Shares
Outstanding at beginning of period (in shares) | shares	64,518
Options granted (in shares) | shares	0
Exercised (in shares) | shares	0
Forfeited (in shares) | shares	(6,452)
Outstanding at end of period (in shares) | shares	58,066
Options exercisable at end of period (in shares) | shares	0
Weighted Average Exercise Price
Outstanding at beginning of period (in dollars per share) | $ / shares	$ 48.79
Granted (in dollars per share) | $ / shares	0
Exercised (in dollars per share) | $ / shares	0
Forfeited (in dollars per share) | $ / shares	48.79
Outstanding at end of period (in dollars per share) | $ / shares	48.79
Options exercisable at end of period (in dollars per share) | $ / shares	$ 0