CONSOLIDATED CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Cumulative Preferred Stock	Preferred Stock Cumulative Preferred Stock	Preferred Stock Non-Cumulative Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2023			125	10,000
Beginning balance at Dec. 31, 2023	$ 2,247,713		$ 125	$ 25,000	$ 7,428	$ 1,236,506	$ 1,154,624	$ (175,970)
Beginning balance (in shares) at Dec. 31, 2023					59,424,122
Comprehensive income:
Net income	47,941						47,941
Other comprehensive income (loss), net of tax	(22,059)							(22,059)
Cash dividends on preferred stock	(469)						(469)
Cash dividends on common stock	(20,157)						(20,157)
Repurchases of common stock (in shares)					(888,442)
Repurchases of common stock	(29,974)				$ (111)	(29,863)
Excise tax on common stock repurchases	(297)					(297)
Share-based compensation (in shares)					7,413
Share-based compensation	1,402				$ 1	1,401
Stock issued under employee benefit plans (in shares)					6,259
Stock issued under employee benefit plans	186				$ 1	185
Stock issued under dividend reinvestment and stock purchase plan (in shares)					16,215
Stock issued under dividend reinvestment and stock purchase plan	542				$ 2	540
Restricted shares withheld for taxes (in shares)					(748)
Restricted shares withheld for taxes	(25)					(25)
Ending balance (in shares) at Mar. 31, 2024			125	10,000
Ending balance at Mar. 31, 2024	2,224,803		$ 125	$ 25,000	$ 7,321	1,208,447	1,181,939	(198,029)
Ending balance (in shares) at Mar. 31, 2024					58,564,819
Beginning balance (in shares) at Dec. 31, 2024		125	125	10,000
Beginning balance at Dec. 31, 2024	$ 2,304,983		$ 125	$ 25,000	$ 7,247	1,188,768	1,272,528	(188,685)
Beginning balance (in shares) at Dec. 31, 2024	57,974,535				57,974,535
Comprehensive income:
Net income	$ 55,339						55,339
Other comprehensive income (loss), net of tax	(1,626)							(1,626)
Cash dividends on preferred stock	(469)						(469)
Cash dividends on common stock	(20,487)						(20,487)
Repurchases of common stock (in shares)					(194,311)
Repurchases of common stock	(7,905)				$ (24)	(7,881)
Excise tax on common stock repurchases	(74)					(74)
Share-based compensation (in shares)					5,666
Share-based compensation	1,595				$ 1	1,594
Stock issued under employee benefit plans (in shares)					4,892
Stock issued under employee benefit plans	173					173
Stock issued under dividend reinvestment and stock purchase plan (in shares)					13,880
Stock issued under dividend reinvestment and stock purchase plan	$ 566				$ 1	565
Stock options exercised (in shares)	5,752				5,752
Stock options exercised	$ 126				$ 1	125
Restricted shares withheld for taxes (in shares)					(182)
Restricted shares withheld for taxes	(7)					(7)
Ending balance (in shares) at Mar. 31, 2025		125	125	10,000
Ending balance at Mar. 31, 2025	$ 2,332,214		$ 125	$ 25,000	$ 7,226	$ 1,183,263	$ 1,306,911	$ (190,311)
Ending balance (in shares) at Mar. 31, 2025	57,810,232				57,810,232