CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss, Net of Deferred Taxes	Unearned Equity Awards	Treasury Stock, at Cost	Total
Increase (Decrease) in Stockholders' Equity
Treasury Stock, at cost							$ (59,193)
Balance at Dec. 31, 2021	$ 116,569	$ 416	$ 494,125	$ 654,726	$ (6,181)	$ (7,842)		$ 1,192,620
Balance (in shares) at Dec. 31, 2021		39,877,833
Increase (Decrease) in Stockholders' Equity
Net income				34,531				34,531
Other comprehensive income (loss), net of tax					(43,199)			(43,199)
Release of shares, net of forfeitures			844			(3,939)	3,284	189
Release of shares, net of forfeitures (in shares)		127,812
Stock-based compensation						1,219		1,219
Shares received related to tax withholding							(1,414)	(1,414)
Shares received related to tax withholding (in shares)		(40,731)
Cash dividends declared and paid to preferred stockholders				(1,821)				(1,821)
Cash dividends declared and paid to common stockholders				(9,446)				(9,446)
Purchase of treasury stock							(17,392)	(17,392)
Purchase of treasury stock (in shares)		(505,005)
Balance at Mar. 31, 2022	116,569	$ 416	494,969	677,990	(49,380)	(10,562)		1,155,287
Balance (in shares) at Mar. 31, 2022		39,459,909
Balance at Dec. 31, 2021	116,569	$ 416	494,125	654,726	(6,181)	(7,842)		1,192,620
Balance (in shares) at Dec. 31, 2021		39,877,833
Increase (Decrease) in Stockholders' Equity
Net income								73,016
Other comprehensive income (loss), net of tax					(63,769)			(63,769)
Balance at Jun. 30, 2022	116,569	$ 416	495,266	705,371	(69,950)	(10,260)	(96,890)	1,140,522
Balance (in shares) at Jun. 30, 2022		38,769,353
Increase (Decrease) in Stockholders' Equity
Treasury Stock, at cost							(74,715)
Balance at Mar. 31, 2022	116,569	$ 416	494,969	677,990	(49,380)	(10,562)		1,155,287
Balance (in shares) at Mar. 31, 2022		39,459,909
Increase (Decrease) in Stockholders' Equity
Net income				38,485				38,485
Other comprehensive income (loss), net of tax					(20,570)			(20,570)
Release of shares, net of forfeitures			297			(644)	726	379
Release of shares, net of forfeitures (in shares)		27,125
Stock-based compensation						946		946
Shares received related to tax withholding							(1)	(1)
Shares received related to tax withholding (in shares)		(37)
Cash dividends declared and paid to preferred stockholders				(1,822)				(1,822)
Cash dividends declared and paid to common stockholders				(9,282)				(9,282)
Purchase of treasury stock							(22,900)	(22,900)
Purchase of treasury stock (in shares)		(717,644)
Balance at Jun. 30, 2022	116,569	$ 416	495,266	705,371	(69,950)	(10,260)	(96,890)	1,140,522
Balance (in shares) at Jun. 30, 2022		38,769,353
Increase (Decrease) in Stockholders' Equity
Treasury Stock, at cost							(103,117)	(103,117)
Balance at Dec. 31, 2022	116,569	$ 416	495,410	762,762	(94,379)	(8,078)		$ 1,169,583
Balance (in shares) at Dec. 31, 2022		38,573,000						38,573,000
Increase (Decrease) in Stockholders' Equity
Net income				37,303				$ 37,303
Other comprehensive income (loss), net of tax					(4,259)			(4,259)
Release of shares, net of forfeitures			(1,608)			(6,692)	8,507	207
Release of shares, net of forfeitures (in shares)		293,106
Stock-based compensation						1,302		1,302
Shares received related to tax withholding			(1)				(1,112)	(1,113)
Shares received related to tax withholding (in shares)		(36,932)
Cash dividends declared and paid to preferred stockholders				(1,821)				(1,821)
Cash dividends declared and paid to common stockholders				(9,234)				(9,234)
Purchase of treasury stock							(715)	(715)
Purchase of treasury stock (in shares)		(24,813)
Balance at Mar. 31, 2023	116,569	$ 416	493,801	789,010	(98,638)	(13,468)		1,191,253
Balance (in shares) at Mar. 31, 2023		38,804,361
Balance at Dec. 31, 2022	116,569	$ 416	495,410	762,762	(94,379)	(8,078)		$ 1,169,583
Balance (in shares) at Dec. 31, 2022		38,573,000						38,573,000
Increase (Decrease) in Stockholders' Equity
Net income								$ 64,801
Other comprehensive income (loss), net of tax					(10,006)			(10,006)
Balance at Jun. 30, 2023	116,569	$ 416	493,955	804,532	(104,385)	(11,746)	(96,838)	$ 1,202,503
Balance (in shares) at Jun. 30, 2023		38,803,119						38,803,119
Increase (Decrease) in Stockholders' Equity
Treasury Stock, at cost							(96,437)
Balance at Mar. 31, 2023	116,569	$ 416	493,801	789,010	(98,638)	(13,468)		$ 1,191,253
Balance (in shares) at Mar. 31, 2023		38,804,361
Increase (Decrease) in Stockholders' Equity
Net income				27,498				27,498
Other comprehensive income (loss), net of tax					(5,747)			(5,747)
Release of shares, net of forfeitures			154			364	(123)	395
Release of shares, net of forfeitures (in shares)		13,262
Stock-based compensation						1,358		1,358
Shares received related to tax withholding							(46)	(46)
Shares received related to tax withholding (in shares)		(2,504)
Cash dividends declared and paid to preferred stockholders				(1,822)				(1,822)
Cash dividends declared and paid to common stockholders				(10,154)				(10,154)
Purchase of treasury stock							(232)	(232)
Purchase of treasury stock (in shares)		(12,000)
Balance at Jun. 30, 2023	$ 116,569	$ 416	$ 493,955	$ 804,532	$ (104,385)	$ (11,746)	$ (96,838)	$ 1,202,503
Balance (in shares) at Jun. 30, 2023		38,803,119						38,803,119
Increase (Decrease) in Stockholders' Equity
Treasury Stock, at cost								$ (96,838)