CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	AOCI	Treasury Stock
Beginning balance (in shares) at Dec. 31, 2022		55,279,124
Beginning balance at Dec. 31, 2022	$ 1,145,977	$ 58	$ 1,320,980	$ 168,769	$ (273,278)	$ (70,552)
Increase (decrease) in shareholders' equity
Net income	66,150			66,150
OCI, net of tax	12,357				12,357
Repurchase of stock (in shares)		(45,000)
Repurchase of stock	(931)					(931)
Issuance of treasury stock for ESPP (in shares)		40,594
Issuance of treasury stock for ESPP	700		(345)			1,045
Net issuance of treasury stock for RSU/PSU/DSU vesting and related tax (in shares)		15,135
Net issuance of treasury stock for RSU/PSU/DSU vesting and related tax	(100)		(490)			390
Net issuance of treasury stock for warrants exercised (in shares)		994
Net issuance of treasury stock for warrants exercised	9		(17)			26
Cash dividends on common stock	(26,539)			(26,539)
Stock dividend equivalents on RSUs/PSUs/DSUs	0		720	(720)
Stock-based compensation	4,325		4,325
Ending balance (in shares) at Jun. 30, 2023		55,290,847
Ending balance at Jun. 30, 2023	1,201,948	$ 58	1,325,173	207,660	(260,921)	(70,022)
Beginning balance (in shares) at Mar. 31, 2023		55,294,455
Beginning balance at Mar. 31, 2023	1,198,558	$ 58	1,322,407	191,924	(245,784)	(70,047)
Increase (decrease) in shareholders' equity
Net income	29,364			29,364
OCI, net of tax	(15,137)				(15,137)
Repurchase of stock (in shares)		(20,000)
Repurchase of stock	(397)					(397)
Issuance of treasury stock for ESPP (in shares)		10,234
Issuance of treasury stock for ESPP	175		(88)			263
Net issuance of treasury stock for RSU/PSU/DSU vesting and related tax (in shares)		6,158
Net issuance of treasury stock for RSU/PSU/DSU vesting and related tax	0		(159)			159
Cash dividends on common stock	(13,271)			(13,271)
Stock dividend equivalents on RSUs/PSUs/DSUs	0		357	(357)
Stock-based compensation	2,656		2,656
Ending balance (in shares) at Jun. 30, 2023		55,290,847
Ending balance at Jun. 30, 2023	1,201,948	$ 58	1,325,173	207,660	(260,921)	(70,022)
Beginning balance (in shares) at Dec. 31, 2023		55,244,119
Beginning balance at Dec. 31, 2023	1,271,981	$ 58	1,323,595	237,197	(218,803)	(70,066)
Beginning balance (Accounting Standards Update 2023-02) at Dec. 31, 2023	(1,391)			(1,391)
Increase (decrease) in shareholders' equity
Net income	53,582			53,582
OCI, net of tax	(1,523)				(1,523)
Stock issued in acquisition, net of stock issuance costs (in shares)		1,429,304
Stock issued in acquisition, net of stock issuance costs	34,234	$ 2	34,232
Issuance of treasury stock for ESPP (in shares)		32,570
Issuance of treasury stock for ESPP	661		(177)			838
Net issuance of treasury stock for RSU/PSU/DSU vesting and related tax (in shares)		40,944
Net issuance of treasury stock for RSU/PSU/DSU vesting and related tax	(396)		(1,450)			1,054
Cash dividends on common stock	(26,875)			(26,875)
Stock dividend equivalents on RSUs/PSUs/DSUs	0		693	(693)
Stock-based compensation	3,537		3,537
Ending balance (in shares) at Jun. 30, 2024		56,746,937
Ending balance at Jun. 30, 2024	1,333,810	$ 60	1,360,430	261,820	(220,326)	(68,174)
Beginning balance (in shares) at Mar. 31, 2024		55,300,008
Beginning balance at Mar. 31, 2024	1,282,651	$ 58	1,324,999	248,412	(222,190)	(68,628)
Increase (decrease) in shareholders' equity
Net income	27,357			27,357
OCI, net of tax	1,864				1,864
Stock issued in acquisition, net of stock issuance costs (in shares)		1,429,304
Stock issued in acquisition, net of stock issuance costs	34,234	$ 2	34,232
Issuance of treasury stock for ESPP (in shares)		9,265
Issuance of treasury stock for ESPP	186		(53)			239
Net issuance of treasury stock for RSU/PSU/DSU vesting and related tax (in shares)		8,360
Net issuance of treasury stock for RSU/PSU/DSU vesting and related tax	0		(215)			215
Cash dividends on common stock	(13,616)			(13,616)
Stock dividend equivalents on RSUs/PSUs/DSUs	0		333	(333)
Stock-based compensation	1,134		1,134
Ending balance (in shares) at Jun. 30, 2024		56,746,937
Ending balance at Jun. 30, 2024	$ 1,333,810	$ 60	$ 1,360,430	$ 261,820	$ (220,326)	$ (68,174)