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	68,331					68,331
Other comprehensive income (loss)	(8,848)						(8,848)
Common stock dividends	(11,261)					(11,261)
Repurchase of common shares (in shares)			(252,000)
Repurchase of common stock	(11,833)		$ (2)		(11,831)
Issuance under equity compensation plans, net (in shares)			94,000
Issuance under equity compensation plans, net	154				154
Share-based compensation	2,783				2,783
Common stock, ending balance (in shares) at Jun. 30, 2021			31,052,000
Ending balance at Jun. 30, 2021	1,118,301		$ 330	(73,528)	688,945	474,282	28,272
Common stock, beginning balance (in shares) at Mar. 31, 2021			31,259,000
Beginning balance at Mar. 31, 2021	1,092,497		$ 332	(73,528)	698,005	441,511	26,177
Net income	38,405					38,405
Other comprehensive income (loss)	2,095						2,095
Common stock dividends	(5,634)					(5,634)
Repurchase of common shares (in shares)			(252,000)
Repurchase of common stock	(11,833)		$ (2)		(11,831)
Issuance under equity compensation plans, net (in shares)			45,000
Issuance under equity compensation plans, net	1,263				1,263
Share-based compensation	1,508				1,508
Common stock, ending balance (in shares) at Jun. 30, 2021			31,052,000
Ending balance at Jun. 30, 2021	$ 1,118,301		$ 330	(73,528)	688,945	474,282	28,272
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	92,842					92,842
Other comprehensive income (loss)	(127,258)						(127,258)
Common stock dividends	(16,100)					(16,100)
Preferred stock dividends	(2,167)					(2,167)
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)			86,000
Issuance under equity compensation plans, net	96		$ 1		684	(589)
Share-based compensation	3,806				3,806
Retirement of treasury stock	$ 0		$ (20)	73,528	(27,738)	(45,770)
Preferred stock, ending balance (in shares) at Jun. 30, 2022	75,000	75,000
Common stock, ending balance (in shares) at Jun. 30, 2022			37,206,000
Ending balance at Jun. 30, 2022	$ 1,447,412	$ 71,988	$ 372	0	976,684	506,849	(108,481)
Preferred stock, beginning balance (in shares) at Mar. 31, 2022		75,000
Common stock, beginning balance (in shares) at Mar. 31, 2022			37,516,000
Beginning balance at Mar. 31, 2022	1,473,177	$ 71,988	$ 395	(73,528)	1,010,446	523,136	(59,260)
Net income	45,149					45,149
Other comprehensive income (loss)	(49,221)						(49,221)
Common stock dividends	(8,185)					(8,185)
Preferred stock dividends	(938)					(938)
Repurchase of common shares (in shares)			(349,000)
Repurchase of common stock	(15,949)		$ (3)		(9,410)	(6,536)
Issuance under equity compensation plans, net (in shares)			39,000
Issuance under equity compensation plans, net	1,259				1,266	(7)
Share-based compensation	2,120				2,120
Retirement of treasury stock	$ 0		$ (20)	73,528	(27,738)	(45,770)
Preferred stock, ending balance (in shares) at Jun. 30, 2022	75,000	75,000
Common stock, ending balance (in shares) at Jun. 30, 2022			37,206,000
Ending balance at Jun. 30, 2022	$ 1,447,412	$ 71,988	$ 372	$ 0	$ 976,684	$ 506,849	$ (108,481)