Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Previously Reported [Member]	Common Stock [Member]	Common Stock [Member] Previously Reported [Member]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member] Previously Reported [Member]	Retained Earnings [Member]	Retained Earnings [Member] Previously Reported [Member]	Accumulated Other Comprehensive Income (Loss), net [Member]	Accumulated Other Comprehensive Income (Loss), net [Member] Previously Reported [Member]	Treasury Stock, Common
Beginning balance at Dec. 31, 2021	$ 1,109,372		$ 113,915		$ 496,121		$ 691,260		$ (8,768)		$ (183,156)
Beginning balance, shares at Dec. 31, 2021			94,233,152
Net Income	92,448						92,448
Total other comprehensive (loss) income	(133,521)								(133,521)
Dividends, declared (USD per share)	(33,373)						(33,373)
Treasury stock acquired	(15,598)										(15,598)
Treasury stock acquired, shares			(1,132,577)
Stock Issued During Period, Value, Treasury Stock Reissued	2,192				580		0				1,612
Stock Issued During Period, Shares, Treasury Stock Reissued			174,989
Restricted stock	1,055		$ 0		730		0				325
Restricted stock, shares			101,500
Stock Issued During Period, Value, Treasury Stock Reissued	1,947
Ending balance at Sep. 30, 2022	$ 1,022,575		$ 113,915		497,431		750,335		(142,289)		(196,817)
Ending balance, shares at Sep. 30, 2022			93,377,064
Cash Dividends Declared per Common Share (in dollars per share)	$ 0.355
Beginning balance at Jun. 30, 2022		$ 1,049,158		$ 113,915		$ 497,431		$ 727,573		$ (97,025)	(192,736)
Beginning balance, shares at Jun. 30, 2022				93,705,120
Net Income	$ 33,968						33,968
Total other comprehensive (loss) income	(45,264)								(45,264)
Dividends, declared (USD per share)	(11,206)						(11,206)
Treasury stock acquired	(4,453)										(4,453)
Treasury stock acquired, shares			(326,656)
Stock Issued During Period, Value, Treasury Stock Reissued	0				0		0				0
Stock Issued During Period, Shares, Treasury Stock Reissued			0
Restricted stock	372		$ 0		0		0				372
Restricted stock, shares			(1,400)
Ending balance at Sep. 30, 2022	$ 1,022,575		$ 113,915		497,431		750,335		(142,289)		(196,817)
Ending balance, shares at Sep. 30, 2022			93,377,064
Cash Dividends Declared per Common Share (in dollars per share)	$ 0.120
Beginning balance at Dec. 31, 2022	$ 1,052,074		$ 113,915		497,431		774,863		(137,692)		(196,443)
Beginning balance, shares at Dec. 31, 2022	93,376,314		93,376,314
Net Income	$ 112,236						112,236
Total other comprehensive (loss) income	(16,362)								(16,362)
Dividends, declared (USD per share)	(38,050)						(38,050)
Treasury stock acquired	(14,105)										(14,105)
Treasury stock acquired, shares			(1,137,475)
Stock Issued During Period, Value, Treasury Stock Reissued	2,211				660		0				1,551
Stock Issued During Period, Shares, Treasury Stock Reissued			163,950
Restricted stock	1,172		$ 0		488		0				684
Restricted stock, shares			93,385
Stock Issued During Period, Shares, New Issues			9,688,478
Stock Issued During Period, Value, Acquisitions	141,355		$ 9,688		131,667
Stock Issued During Period, Value, Treasury Stock Reissued	1,966
Ending balance at Sep. 30, 2023	$ 1,240,531		$ 123,603		630,246		849,049		(154,054)		(208,313)
Ending balance, shares at Sep. 30, 2023	102,184,652		102,184,652
Cash Dividends Declared per Common Share (in dollars per share)	$ 0.370
Beginning balance at Jun. 30, 2023	$ 1,232,419		$ 123,603		630,246		822,619		(138,551)		(205,498)
Beginning balance, shares at Jun. 30, 2023			102,444,915
Net Income	39,231						39,231
Total other comprehensive (loss) income	(15,503)								(15,503)
Dividends, declared (USD per share)	(12,801)						(12,801)
Treasury stock acquired	(3,216)										(3,216)
Treasury stock acquired, shares			(260,263)
Stock Issued During Period, Value, Treasury Stock Reissued	0				0		0				0
Stock Issued During Period, Shares, Treasury Stock Reissued			0
Restricted stock	401		$ 0		0		0				401
Restricted stock, shares			0
Ending balance at Sep. 30, 2023	$ 1,240,531		$ 123,603		$ 630,246		$ 849,049		$ (154,054)		$ (208,313)
Ending balance, shares at Sep. 30, 2023	102,184,652		102,184,652
Cash Dividends Declared per Common Share (in dollars per share)	$ 0.125