CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Cumulative effect of change in accounting principle (ASU 2016-13)	Common Stock	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)	Retained Earnings (Accumulated Deficit) Cumulative effect of change in accounting principle (ASU 2016-13)	AOCI	Treasury Stock
Beginning balance (in shares) at Dec. 31, 2019			54,788,772
Beginning balance at Dec. 31, 2019	$ 1,220,434	$ (15,922)	$ 56	$ 1,248,216	$ (14,813)	$ (15,922)	$ 14,960	$ (27,985)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	100,344				100,344
OCI, net of tax	18,349						18,349
Repurchase of stock (in shares)			(531,114)
Repurchase of stock	(12,272)							(12,272)
Issuance of treasury stock for ESPP (in shares)			32,063
Issuance of treasury stock for ESPP	547			(59)				606
Net issuance of treasury stock for restricted/deferred stock unit vesting and related tax (in shares)			106,589
Net issuance of treasury stock for RSU/DSU vesting and related tax	(635)			(2,648)				2,013
Issuance of treasury stock for stock options exercised, net of shares redeemed and related tax (in shares)			8,069
Issuance of treasury stock for stock options exercised, net of shares redeemed and related tax	101			(51)				152
Cash dividends common stock	(48,012)				(48,012)
Stock dividend equivalents RSUs	0			767	(767)
Stock-based compensation	7,135			7,135
Ending balance (in shares) at Dec. 31, 2020			54,404,379
Ending balance at Dec. 31, 2020	1,270,069		$ 56	1,253,360	20,830		33,309	(37,486)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	123,449				123,449
OCI, net of tax	(57,067)						(57,067)
Stock issued in acquisition, net of stock issuance costs (in shares)			2,206,237
Stock issued in acquisition, net of stock issuance costs	58,955		$ 2	58,953
Repurchase of stock (in shares)			(1,323,000)
Repurchase of stock	(33,043)							(33,043)
Issuance of treasury stock for ESPP (in shares)			30,390
Issuance of treasury stock for ESPP	646			(136)				782
Net issuance of treasury stock for restricted/deferred stock unit vesting and related tax (in shares)			116,904
Net issuance of treasury stock for RSU/DSU vesting and related tax	(997)			(4,109)				3,112
Cash dividends common stock	(50,764)				(50,764)
Stock dividend equivalents RSUs	0			1,052	(1,052)
Stock-based compensation	7,864			7,864
Ending balance (in shares) at Dec. 31, 2021			55,434,910
Ending balance at Dec. 31, 2021	1,319,112		$ 58	1,316,984	92,463		(23,758)	(66,635)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	128,311				128,311
OCI, net of tax	(249,520)						(249,520)
Repurchase of stock (in shares)			(388,614)
Repurchase of stock	(9,912)							(9,912)
Issuance of treasury stock for ESPP (in shares)			57,385
Issuance of treasury stock for ESPP	1,157			(320)				1,477
Net issuance of treasury stock for restricted/deferred stock unit vesting and related tax (in shares)			175,225
Net issuance of treasury stock for RSU/DSU vesting and related tax	(1,276)			(5,789)				4,513
Issuance of treasury stock for stock options exercised, net of shares redeemed and related tax (in shares)			218
Issuance of treasury stock for stock options exercised, net of shares redeemed and related tax	0			(5)				5
Cash dividends common stock	(50,863)				(50,863)
Stock dividend equivalents RSUs	0			1,142	(1,142)
Stock-based compensation	8,968			8,968
Ending balance (in shares) at Dec. 31, 2022			55,279,124
Ending balance at Dec. 31, 2022	$ 1,145,977		$ 58	$ 1,320,980	$ 168,769		$ (273,278)	$ (70,552)