Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss), net [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	27,726			27,726
Total other comprehensive (loss) income	(59,392)				(59,392)
Dividends, declared (USD per share)	(10,837)			(10,837)
Treasury stock acquired	(1,488)					(1,488)
Treasury stock acquired, shares		(90,614)
Stock Issued During Period, Value, Treasury Stock Reissued	1,947		499	0		1,448
Stock Issued During Period, Shares, Treasury Stock Reissued		157,251
Restricted stock	291	$ 0	7	0		284
Restricted stock, shares		(750)
Stock Issued During Period, Value, Treasury Stock Reissued	1,947
Ending balance at Mar. 31, 2022	$ 1,067,619	$ 113,915	496,627	708,149	(68,160)	(182,912)
Ending balance, shares at Mar. 31, 2022		94,299,039
Cash Dividends Declared per Common Share (in dollars per share)	$ 0.115
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	$ 30,224			30,224
Total other comprehensive (loss) income	13,122				13,122
Dividends, declared (USD per share)	(12,367)			(12,367)
Treasury stock acquired	(1,732)					(1,732)
Treasury stock acquired, shares		(109,112)
Stock Issued During Period, Value, Treasury Stock Reissued	1,966		610	0		1,356
Stock Issued During Period, Shares, Treasury Stock Reissued		143,412
Restricted stock	372	$ 0	488	0		(116)
Restricted stock, shares		94,035
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 Mar. 31, 2023	$ 1,225,014	$ 123,603	$ 630,196	$ 792,720	$ (124,570)	$ (196,935)
Ending balance, shares at Mar. 31, 2023	103,193,127	103,193,127
Cash Dividends Declared per Common Share (in dollars per share)	$ 0.120