Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Treasury Stock	Additional Paid in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Common stock, beginning balance (in shares) at Dec. 31, 2020			31,210,000
Beginning balance at Dec. 31, 2020	$ 1,078,975		$ 332	$ (73,528)	$ 697,839	$ 417,212	$ 37,120
Net income	82,244					82,244
Other comprehensive income (loss)	(17,218)						(17,218)
Common stock dividends	(18,566)					(18,566)
Repurchase of common shares (in shares)			(722,000)
Repurchase of common stock	(33,069)		$ (6)		(15,243)	(17,820)
Issuance under equity compensation plans, net (in shares)			107,000
Issuance under equity compensation plans, net	881				1,530	(649)
Share-based compensation	4,108				4,108
Shares issued in connection with acquisition	342,280		$ 78		342,912	(710)
Common stock, ending balance (in shares) at Sep. 30, 2021			38,372,000
Ending balance at Sep. 30, 2021	1,439,635		$ 404	(73,528)	1,031,146	461,711	19,902
Common stock, beginning balance (in shares) at Jun. 30, 2021			31,052,000
Beginning balance at Jun. 30, 2021	1,118,301		$ 330	(73,528)	688,945	474,282	28,272
Net income	13,913					13,913
Other comprehensive income (loss)	(8,370)						(8,370)
Common stock dividends	(7,305)					(7,305)
Repurchase of common shares (in shares)			(470,000)
Repurchase of common stock	(21,236)		$ (4)		(3,412)	(17,820)
Issuance under equity compensation plans, net (in shares)			13,000
Issuance under equity compensation plans, net	727				1,376	(649)
Share-based compensation	1,325				1,325
Shares issued in connection with acquisition	342,280		$ 78		342,912	(710)
Common stock, ending balance (in shares) at Sep. 30, 2021			38,372,000
Ending balance at Sep. 30, 2021	$ 1,439,635		$ 404	(73,528)	1,031,146	461,711	19,902
Preferred stock, beginning balance (in shares) at Dec. 31, 2021	75,000	75,000
Common stock, beginning balance (in shares) at Dec. 31, 2021			37,820,000
Beginning balance at Dec. 31, 2021	$ 1,529,116	$ 71,988	$ 398	(73,528)	1,018,799	492,682	18,777
Net income	143,042					143,042
Other comprehensive income (loss)	(171,968)						(171,968)
Common stock dividends	(24,662)					(24,662)
Preferred stock dividends	(3,104)					(3,104)
Repurchase of common shares (in shares)			(700,000)
Repurchase of common stock	(32,923)		$ (7)		(18,867)	(14,049)
Issuance under equity compensation plans, net (in shares)			103,000
Issuance under equity compensation plans, net	789		$ 1		1,421	(633)
Share-based compensation	5,928				5,928
Retirement of treasury stock	$ 0		$ (20)	73,528	(27,738)	(45,770)
Preferred stock, ending balance (in shares) at Sep. 30, 2022	75,000	75,000
Common stock, ending balance (in shares) at Sep. 30, 2022			37,223,000
Ending balance at Sep. 30, 2022	$ 1,446,218	$ 71,988	$ 372	0	979,543	547,506	(153,191)
Preferred stock, beginning balance (in shares) at Jun. 30, 2022		75,000
Common stock, beginning balance (in shares) at Jun. 30, 2022			37,206,000
Beginning balance at Jun. 30, 2022	1,447,412	$ 71,988	$ 372	0	976,684	506,849	(108,481)
Net income	50,200					50,200
Other comprehensive income (loss)	(44,710)						(44,710)
Common stock dividends	(8,562)					(8,562)
Preferred stock dividends	(937)					(937)
Issuance under equity compensation plans, net (in shares)			17,000
Issuance under equity compensation plans, net	693				737	(44)
Share-based compensation	$ 2,122				2,122
Preferred stock, ending balance (in shares) at Sep. 30, 2022	75,000	75,000
Common stock, ending balance (in shares) at Sep. 30, 2022			37,223,000
Ending balance at Sep. 30, 2022	$ 1,446,218	$ 71,988	$ 372	$ 0	$ 979,543	$ 547,506	$ (153,191)