Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Stock in rabbi trust assumed in acquisition	Rabbi trust obligation	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2019			29,601,000
Beginning balance at Dec. 31, 2019	$ 852,401		$ 429,514	$ 417,764		$ (2,587)	$ 2,587	$ 5,123
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	81,477			81,477
Cash dividends declared	(20,752)			(20,752)
Change in Rabbi Trust Obligation	0					344	(344)
Equity issued related to acquisition (in shares)			24,000
Equity issued pursuant to acquisition			$ 494
Stock repurchases (in shares)			(1,117,000)
Stock repurchases			$ (31,868)
Stock withheld for payment of taxes (in shares)			(11,000)
Stock withheld for payment of taxes	(307)		$ (307)
Stock-based compensation (in shares)			82,000
Stock-based compensation	2,749		$ 2,749
Other comprehensive income (loss)	9,227							9,227
Ending balance (in shares) at Dec. 31, 2020			28,579,000
Ending balance at Dec. 31, 2020	$ 893,421	$ (17,051)	$ 400,582	478,489	$ (17,051)	(2,243)	2,243	14,350
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2016-13 [Member]
Net income	$ 95,644			95,644
Cash dividends declared	(24,208)			(24,208)
Change in Rabbi Trust Obligation	0					440	(440)
Equity issued related to acquisition (in shares)			7,070,000
Equity issued pursuant to acquisition	324,389		$ 324,389
Stock repurchases (in shares)			(107,000)
Stock repurchases	(4,036)		$ (4,036)
Stock withheld for payment of taxes (in shares)			(18,000)
Stock withheld for payment of taxes	(786)		$ (786)
Stock-based compensation (in shares)			105,000
Stock-based compensation	2,522		$ 2,522
Other comprehensive income (loss)	$ (39,320)							(39,320)
Ending balance (in shares) at Dec. 31, 2021	35,629,177		35,629,000
Ending balance at Dec. 31, 2021	$ 1,230,575		$ 722,671	532,874		(1,803)	1,803	(24,970)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	146,936			146,936
Cash dividends declared	(31,392)			(31,392)
Change in Rabbi Trust Obligation	0					218	(218)
Stock withheld for payment of taxes (in shares)			(25,000)
Stock withheld for payment of taxes	(840)		$ (840)
Stock-based compensation (in shares)			100,000
Stock-based compensation	3,322		$ 3,322
Other comprehensive income (loss)	$ (317,005)							(317,005)
Ending balance (in shares) at Dec. 31, 2022	35,704,154		35,704,000
Ending balance at Dec. 31, 2022	$ 1,031,596		$ 725,153	$ 648,418		$ (1,585)	$ 1,585	$ (341,975)