Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Public Offering	Common Stock	Common Stock Public Offering	Treasury Stock	Additional Paid-In Capital	Additional Paid-In Capital Public Offering	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 (loss) income	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, 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	116,554
Other comprehensive (loss) income	9,713
Comprehensive income	126,267
Ending balance (in shares) at Sep. 30, 2023			56,140,713
Ending balance at Sep. 30, 2023	2,233,323		$ 296,483		(105,300)	1,304,891		936,573	(199,324)
Beginning balance (in shares) at Mar. 31, 2023			56,073,658
Beginning balance at Mar. 31, 2023	2,187,300		$ 296,483		(107,559)	1,299,458		891,242	(192,324)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	28,643							28,643
Other comprehensive (loss) income	863								863
Comprehensive income	29,506
Cash dividends	(12,573)							(12,573)
Issuance of common stock for stock-based compensation awards (in shares)			58,820
Issuance of common stock for stock-based compensation awards	1,000				1,970	(970)
Stock-based compensation expense	3,395					3,395
Ending balance (in shares) at Jun. 30, 2023			56,132,478
Ending balance at Jun. 30, 2023	2,208,628		$ 296,483		(105,589)	1,301,883		907,312	(191,461)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	41,833							41,833
Other comprehensive (loss) income	(7,863)								(7,863)
Comprehensive income	33,970
Cash dividends	(12,572)							(12,572)
Issuance of common stock for stock-based compensation awards (in shares)			8,235
Issuance of common stock for stock-based compensation awards	(127)				289	(416)
Stock-based compensation expense	3,424					3,424
Ending balance (in shares) at Sep. 30, 2023			56,140,713
Ending balance at Sep. 30, 2023	$ 2,233,323		$ 296,483		(105,300)	1,304,891		936,573	(199,324)
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 (loss) income	(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
Ending balance at Mar. 31, 2024	$ 2,322,350		$ 296,483		(99,683)	1,303,613		978,880	(156,943)
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	150,710
Other comprehensive (loss) income	25,162
Comprehensive income	$ 175,872
Ending balance (in shares) at Sep. 30, 2024	63,564,028		63,564,028
Ending balance at Sep. 30, 2024	$ 2,658,078		$ 332,421		(97,251)	1,488,678		1,063,324	(129,094)
Beginning balance (in shares) at Mar. 31, 2024			56,304,860
Beginning balance at Mar. 31, 2024	2,322,350		$ 296,483		(99,683)	1,303,613		978,880	(156,943)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	38,846							38,846
Other comprehensive (loss) income	2,827								2,827
Comprehensive income	41,673
Cash dividends	(12,640)							(12,640)
Issuance of common stock for stock-based compensation awards (in shares)			63,064
Issuance of common stock for stock-based compensation awards	(56)				2,149	(2,205)
Stock-based compensation expense	3,374					3,374
Ending balance (in shares) at Jun. 30, 2024			56,367,924
Ending balance at Jun. 30, 2024	2,354,701		$ 296,483		(97,534)	1,304,782		1,005,086	(154,116)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	72,455							72,455
Other comprehensive (loss) income	25,022								25,022
Comprehensive income	97,477
Cash dividends	(14,217)							(14,217)
Common stock issued in public offering (in shares)				7,187,500
Common stock issued in public offering		$ 217,000		$ 35,938			$ 181,062
Issuance of common stock for stock-based compensation awards (in shares)			8,604
Issuance of common stock for stock-based compensation awards	(156)				283	(439)
Stock-based compensation expense	$ 3,273					3,273
Ending balance (in shares) at Sep. 30, 2024	63,564,028		63,564,028
Ending balance at Sep. 30, 2024	$ 2,658,078		$ 332,421		$ (97,251)	$ 1,488,678		$ 1,063,324	$ (129,094)