CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in-Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss), net [Member]	Treasury Stock [Member]	Previously Reported [Member]	Previously Reported [Member] Common Stock [Member]	Previously Reported [Member] Additional Paid-in-Capital [Member]	Previously Reported [Member] Retained Earnings [Member]	Previously Reported [Member] Accumulated Other Comprehensive Income (Loss), net [Member]	Previously Reported [Member] Treasury Stock [Member]
Beginning balance at Dec. 31, 2019	$ 1,055,665	$ 113,915	$ 493,737	$ 577,348	$ 5,579	$ (134,914)
Beginning balance, Shares Outstanding at Dec. 31, 2019		98,311,840
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	73,447			73,447
Total other comprehensive (loss) Income	11,654				11,654
Cash dividends declared	(42,982)			(42,982)
Treasury stock acquired	(20,905)					(20,905)
Treasury stock acquired		(2,430,842)
Treasury stock reissued	1,817		459	0		1,358
Treasury stock reissued, Shares Outstanding		158,453
Restricted stock, Shares Outstanding		91,300
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	1,120	$ 0	487	0		633
Ending balance at Dec. 31, 2020	1,068,617	$ 113,915	494,683	596,614	17,233	(153,828)
Ending balance, Shares Outstanding at Dec. 31, 2020		96,130,751
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative Effect Of New Accounting Principle In Period Of Adoption	(11,199)			(11,199)
Net Income	138,257			138,257
Total other comprehensive (loss) Income	(26,001)				(26,001)
Cash dividends declared	(43,611)			(43,611)
Treasury stock acquired	(31,301)					(31,301)
Treasury stock acquired		(2,195,110)
Treasury stock reissued	2,264		771	0		1,493
Treasury stock reissued, Shares Outstanding		173,907
Restricted stock, Shares Outstanding		123,604
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	1,147	$ 0	667	0		480
Ending balance at Dec. 31, 2021	$ 1,109,372						$ 1,109,372	$ 113,915	$ 496,121	$ 691,260	$ (8,768)	$ (183,156)
Ending balance, Shares Outstanding at Dec. 31, 2021	94,233,152							94,233,152
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	$ 128,181			128,181
Total other comprehensive (loss) Income	(128,924)				(128,924)
Cash dividends declared	(44,578)			(44,578)
Treasury stock acquired	(15,598)					(15,598)
Treasury stock acquired		(1,132,577)
Treasury stock reissued	2,192		580	0		1,612
Treasury stock reissued, Shares Outstanding		174,989
Restricted stock, Shares Outstanding		100,750
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	1,429	$ 0	730	0		699
Ending balance at Dec. 31, 2022	$ 1,052,074	$ 113,915	$ 497,431	$ 774,863	$ (137,692)	$ (196,443)
Ending balance, Shares Outstanding at Dec. 31, 2022	93,376,314	93,376,314