Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Retained Earnings	Stock in Rabbi Trust Assumed in Acquisition	Rabbi Trust Obligation	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2021		35,629,000
Beginning 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	33,969		33,969
Cash dividends declared	(7,839)		(7,839)
Change in Rabbi Trust Obligation	0			(11)	11
Stock withheld for payment of taxes (in shares)		(3,000)
Stock withheld for payment of taxes	(117)	$ (117)
Stock-based compensation (in shares)		14,000
Stock-based compensation	887	$ 887
Other comprehensive loss	(139,985)					(139,985)
Ending balance (in shares) at Mar. 31, 2022		35,640,000
Ending balance at Mar. 31, 2022	$ 1,117,490	$ 723,441	559,004	(1,814)	1,814	(164,955)
Beginning balance (in shares) at Dec. 31, 2022	35,704,154	35,704,000
Beginning balance at Dec. 31, 2022	$ 1,031,596	$ 725,153	648,418	(1,585)	1,585	(341,975)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	15,161		15,161
Cash dividends declared	(9,006)		(9,006)
Change in Rabbi Trust Obligation	0			(23)	23
Equity issued related to acquisition (in shares)		5,033,000
Equity issued pursuant to acquisition	$ 229,489	$ 229,489
Stock options exercised (in shares)	169,718	170,000
Stock options exercised		$ 3,215
Stock-based compensation (in shares)		80,000
Stock-based compensation	$ 1,565	$ 1,565
Other comprehensive loss	$ 27,941					27,941
Ending balance (in shares) at Mar. 31, 2023	40,986,990	40,987,000
Ending balance at Mar. 31, 2023	$ 1,299,961	$ 959,422	$ 654,573	$ (1,608)	$ 1,608	$ (314,034)