CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($)	Preferred Stock	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss, Net of Deferred Taxes	Unearned Equity Awards	Treasury Stock, Common [Member]	Total
Balance at Dec. 31, 2022	$ 116,569,000	$ 416,000	$ 495,410,000	$ 762,762,000	$ (94,379,000)	$ (8,078,000)		$ 1,169,583,000
Balance (in shares) at Dec. 31, 2022		38,573,000
Treasury Stock, at cost, beginning balance at Dec. 31, 2022							$ (103,117,000)
Increase (Decrease) in Stockholders' Equity
Net income				37,303,000				37,303,000
Other comprehensive income (loss), net of tax					(4,259,000)			(4,259,000)
Release of shares, net of forfeitures			(1,608,000)			(6,692,000)	8,507,000	207,000
Release of shares, net of forfeitures (in shares)		293,106
Stock-based compensation						1,302,000		1,302,000
Shares received related to tax withholding			(1,000)				(1,112,000)	(1,113,000)
Shares received related to tax withholding (in shares)		(36,932)
Cash dividends declared to preferred stockholders				(1,821,000)				(1,821,000)
Cash dividends declared to common stockholders				(9,234,000)				(9,234,000)
Purchase of treasury stock							(715,000)	(715,000)
Purchase of treasury stock (in shares)		(24,813)
Balance at Mar. 31, 2023	116,569,000	$ 416,000	493,801,000	789,010,000	(98,638,000)	(13,468,000)		1,191,253,000
Balance (in shares) at Mar. 31, 2023		38,804,361
Treasury Stock, at cost, ending balance at Mar. 31, 2023							(96,437,000)
Balance at Dec. 31, 2022	116,569,000	$ 416,000	495,410,000	762,762,000	(94,379,000)	(8,078,000)		1,169,583,000
Balance (in shares) at Dec. 31, 2022		38,573,000
Treasury Stock, at cost, beginning balance at Dec. 31, 2022							(103,117,000)
Increase (Decrease) in Stockholders' Equity
Net income								64,801,000
Other comprehensive income (loss), net of tax					(10,006,000)			(10,006,000)
Balance at Jun. 30, 2023	116,569,000	$ 416,000	493,955,000	804,532,000	(104,385,000)	(11,746,000)	(96,838,000)	1,202,503,000
Balance (in shares) at Jun. 30, 2023		38,803,119
Balance at Mar. 31, 2023	116,569,000	$ 416,000	493,801,000	789,010,000	(98,638,000)	(13,468,000)		1,191,253,000
Balance (in shares) at Mar. 31, 2023		38,804,361
Treasury Stock, at cost, beginning balance at Mar. 31, 2023							(96,437,000)
Increase (Decrease) in Stockholders' Equity
Net income				27,498,000				27,498,000
Other comprehensive income (loss), net of tax					(5,747,000)			(5,747,000)
Release of shares, net of forfeitures			154,000			364,000	(123,000)	395,000
Release of shares, net of forfeitures (in shares)		13,262
Stock-based compensation						1,358,000		1,358,000
Shares received related to tax withholding							(46,000)	(46,000)
Shares received related to tax withholding (in shares)		(2,504)
Cash dividends declared to preferred stockholders				(1,822,000)				(1,822,000)
Cash dividends declared to common stockholders				(10,154,000)				(10,154,000)
Purchase of treasury stock							(232,000)	(232,000)
Purchase of treasury stock (in shares)		(12,000)
Balance at Jun. 30, 2023	116,569,000	$ 416,000	493,955,000	804,532,000	(104,385,000)	(11,746,000)	(96,838,000)	1,202,503,000
Balance (in shares) at Jun. 30, 2023		38,803,119
Balance at Dec. 31, 2023	116,569,000	$ 416,000	494,454,000	813,007,000	(91,579,000)	(8,622,000)		$ 1,226,225,000
Balance (in shares) at Dec. 31, 2023		38,822,654						38,822,654
Treasury Stock, at cost, beginning balance at Dec. 31, 2023							(98,020,000)	$ (98,020,000)
Increase (Decrease) in Stockholders' Equity
Net income				17,691,000				17,691,000
Other comprehensive income (loss), net of tax					6,113,000			6,113,000
Release of shares, net of forfeitures			(1,619,000)			(3,299,000)	5,128,000	210,000
Release of shares, net of forfeitures (in shares)		155,782
Stock-based compensation						1,730,000		1,730,000
Shares received related to tax withholding			(1,000)				(1,029,000)	(1,030,000)
Shares received related to tax withholding (in shares)		(46,603)
Cash dividends declared to preferred stockholders				(1,821,000)				(1,821,000)
Cash dividends declared to common stockholders				(9,747,000)				(9,747,000)
Balance at Mar. 31, 2024	116,569,000	$ 416,000	492,834,000	819,130,000	(85,466,000)	(10,191,000)		1,239,371,000
Balance (in shares) at Mar. 31, 2024		38,931,833
Treasury Stock, at cost, ending balance at Mar. 31, 2024							(93,921,000)
Balance at Dec. 31, 2023	116,569,000	$ 416,000	494,454,000	813,007,000	(91,579,000)	(8,622,000)		$ 1,226,225,000
Balance (in shares) at Dec. 31, 2023		38,822,654						38,822,654
Treasury Stock, at cost, beginning balance at Dec. 31, 2023							(98,020,000)	$ (98,020,000)
Increase (Decrease) in Stockholders' Equity
Net income								36,170,000
Other comprehensive income (loss), net of tax					8,799,000			8,799,000
Balance at Jun. 30, 2024	116,569,000	$ 416,000	488,760,000	826,080,000	(82,780,000)	(12,023,000)	(86,426,000)	$ 1,250,596,000
Balance (in shares) at Jun. 30, 2024		39,147,850						39,147,850
Treasury Stock, at cost, ending balance at Jun. 30, 2024								$ (86,426,000)
Balance at Mar. 31, 2024	116,569,000	$ 416,000	492,834,000	819,130,000	(85,466,000)	(10,191,000)		1,239,371,000
Balance (in shares) at Mar. 31, 2024		38,931,833
Treasury Stock, at cost, beginning balance at Mar. 31, 2024							(93,921,000)
Increase (Decrease) in Stockholders' Equity
Net income				18,479,000				18,479,000
Other comprehensive income (loss), net of tax					2,686,000			2,686,000
Release of shares, net of forfeitures		$ 223,202	(4,074,000)			(3,128,000)	7,549,000	347,000
Stock-based compensation						1,296,000		1,296,000
Shares received related to tax withholding		(7,185)					(54,000)	(54,000)
Cash dividends declared to preferred stockholders				(1,822,000)				(1,822,000)
Cash dividends declared to common stockholders				(9,707,000)				(9,707,000)
Balance at Jun. 30, 2024	$ 116,569,000	$ 416,000	$ 488,760,000	$ 826,080,000	$ (82,780,000)	$ (12,023,000)	$ (86,426,000)	$ 1,250,596,000
Balance (in shares) at Jun. 30, 2024		39,147,850						39,147,850
Treasury Stock, at cost, ending balance at Jun. 30, 2024								$ (86,426,000)