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 [Member]	Treasury Stock [Member] Previously Reported [Member]
Beginning balance at Dec. 31, 2020	$ 1,068,617		$ 113,915		$ 494,683		$ 596,614		$ 17,233		$ (153,828)
Beginning balance, shares at Dec. 31, 2020			96,130,751
Net Income	69,389						69,389
Total other comprehensive (loss) income	(10,118)								(10,118)
Dividends, declared (USD per share)	(21,641)						(21,641)
Treasury stock acquired	(2,658)										(2,658)
Treasury stock acquired, shares			(196,119)
Stock Issued During Period, Value, Treasury Stock Reissued	2,264				771		0				1,493
Stock Issued During Period, Shares, Treasury Stock Reissued			173,907
Restricted stock	566		$ 0		445		0				121
Restricted stock, shares			93,089
Stock Issued During Period, Value, Treasury Stock Reissued	2,042
Ending balance at Jun. 30, 2021	$ 1,106,419		$ 113,915		495,899		644,362		7,115		(154,872)
Ending balance, shares at Jun. 30, 2021			96,201,628
Cash Dividends Declared per Common Share (in dollars per share)	$ 0.225
Beginning balance at Mar. 31, 2021		$ 1,087,480		$ 113,915		$ 495,720		$ 625,806		$ 6,198		$ (154,159)
Beginning balance, shares at Mar. 31, 2021				96,248,476
Net Income	$ 29,619						29,619
Total other comprehensive (loss) income	917								917
Dividends, declared (USD per share)	(11,063)						(11,063)
Treasury stock acquired	(1,015)										(1,015)
Treasury stock acquired, shares			(72,724)
Stock Issued During Period, Value, Treasury Stock Reissued	223				90		0				133
Stock Issued During Period, Shares, Treasury Stock Reissued			15,376
Restricted stock	258		$ 0		89		0				169
Restricted stock, shares			10,500
Ending balance at Jun. 30, 2021	$ 1,106,419		$ 113,915		495,899		644,362		7,115		(154,872)
Ending balance, shares at Jun. 30, 2021			96,201,628
Cash Dividends Declared per Common Share (in dollars per share)	$ 0.115
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		94,233,152
Net Income	$ 58,480						58,480
Total other comprehensive (loss) income	(88,257)								(88,257)
Dividends, declared (USD per share)	(22,167)						(22,167)
Treasury stock acquired	(11,145)										(11,145)
Treasury stock acquired, shares			(805,921)
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	683		$ 0		730		0				(47)
Restricted stock, shares			102,900
Stock Issued During Period, Value, Treasury Stock Reissued	1,947
Ending balance at Jun. 30, 2022	$ 1,049,158		$ 113,915		497,431		727,573		(97,025)		(192,736)
Ending balance, shares at Jun. 30, 2022	93,705,120		93,705,120
Cash Dividends Declared per Common Share (in dollars per share)	$ 0.235
Beginning balance at Mar. 31, 2022	$ 1,067,619		$ 113,915		496,627		708,149		(68,160)		(182,912)
Beginning balance, shares at Mar. 31, 2022			94,299,039
Net Income	30,754						30,754
Total other comprehensive (loss) income	(28,865)								(28,865)
Dividends, declared (USD per share)	(11,330)						(11,330)
Treasury stock acquired	(9,657)										(9,657)
Treasury stock acquired, shares			(715,307)
Stock Issued During Period, Value, Treasury Stock Reissued	245				81		0				164
Stock Issued During Period, Shares, Treasury Stock Reissued			17,738
Restricted stock	392		$ 0		723		0				(331)
Restricted stock, shares			103,650
Ending balance at Jun. 30, 2022	$ 1,049,158		$ 113,915		$ 497,431		$ 727,573		$ (97,025)		$ (192,736)
Ending balance, shares at Jun. 30, 2022	93,705,120		93,705,120
Cash Dividends Declared per Common Share (in dollars per share)	$ 0.120