Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2022		55,953,104
Beginning balance at Dec. 31, 2022	$ 2,136,016	$ 296,483	$ (111,577)	$ 1,302,422	$ 857,725	$ (209,037)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	46,078				46,078
Other comprehensive income (loss)	16,713					16,713
Comprehensive income	62,791
Cash dividends	(12,561)				(12,561)
Issuance of common stock for stock-based compensation awards (in shares)		120,554
Issuance of common stock for stock-based compensation awards	(2,391)		4,018	(6,409)
Stock-based compensation expense	3,445			3,445
Ending balance (in shares) at Mar. 31, 2023		56,073,658
Ending balance at Mar. 31, 2023	$ 2,187,300	$ 296,483	(107,559)	1,299,458	891,242	(192,324)
Beginning balance (in shares) at Dec. 31, 2023	56,142,207	56,142,207
Beginning balance at Dec. 31, 2023	$ 2,297,383	$ 296,483	(105,249)	1,308,281	952,124	(154,256)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	39,409				39,409
Other comprehensive income (loss)	(2,687)					(2,687)
Comprehensive income	36,722
Cash dividends	(12,653)				(12,653)
Issuance of common stock for stock-based compensation awards (in shares)		162,653
Issuance of common stock for stock-based compensation awards	(3,094)		5,566	(8,660)
Stock-based compensation expense	$ 3,992			3,992
Ending balance (in shares) at Mar. 31, 2024	56,304,860	56,304,860
Ending balance at Mar. 31, 2024	$ 2,322,350	$ 296,483	$ (99,683)	$ 1,303,613	$ 978,880	$ (156,943)