Securities, Available for Sale (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Debt securities, available-for-sale [Abstract]
Amortized cost	$ 1,648,275		$ 1,648,275		$ 1,615,078
Unrealized gains	696		696		47
Unrealized losses	(139,633)		(139,633)		(184,267)
Estimated fair value	1,509,338		1,509,338		1,430,858
Allowance for credit losses on AFS securities	0		0		0
Gross realized gains	0	$ 0
Gross realized losses	0	$ 0		$ 4,500
Gain recognized on sale of previously written-off security			2,300
U.S. Treasury [Member]
Debt securities, available-for-sale [Abstract]
Amortized cost	133,704		133,704		133,302
Unrealized gains	118		118		0
Unrealized losses	(5,284)		(5,284)		(8,278)
Estimated fair value	128,538		128,538		125,024
Federal Agency [Member]
Debt securities, available-for-sale [Abstract]
Amortized cost	248,357		248,357		248,384
Unrealized gains	0		0		0
Unrealized losses	(25,718)		(25,718)		(33,644)
Estimated fair value	222,639		222,639		214,740
State & Municipal [Member]
Debt securities, available-for-sale [Abstract]
Amortized cost	95,657		95,657		96,251
Unrealized gains	7		7		11
Unrealized losses	(6,761)		(6,761)		(9,956)
Estimated fair value	88,903		88,903		86,306
Mortgage-Backed, Government Sponsored Enterprises [Member]
Debt securities, available-for-sale [Abstract]
Amortized cost	387,388		387,388		399,532
Unrealized gains	138		138		7
Unrealized losses	(33,068)		(33,068)		(44,264)
Estimated fair value	354,458		354,458		355,275
Mortgage-Backed, U.S. Government Agency Securities [Member]
Debt securities, available-for-sale [Abstract]
Amortized cost	72,076		72,076		74,281
Unrealized gains	14		14		14
Unrealized losses	(4,824)		(4,824)		(7,302)
Estimated fair value	67,266		67,266		66,993
Collateralized Mortgage Obligations, Government-Sponsored Enterprises [Member]
Debt securities, available-for-sale [Abstract]
Amortized cost	478,051		478,051		452,715
Unrealized gains	303		303		15
Unrealized losses	(36,269)		(36,269)		(48,257)
Estimated fair value	442,085		442,085		404,473
Collateralized Mortgage Obligations, U.S. Government Agency Securities [Member]
Debt securities, available-for-sale [Abstract]
Amortized cost	184,570		184,570		162,171
Unrealized gains	116		116		0
Unrealized losses	(22,642)		(22,642)		(25,100)
Estimated fair value	162,044		162,044		137,071
Corporate [Member]
Debt securities, available-for-sale [Abstract]
Amortized cost	48,472		48,472		48,442
Unrealized gains	0		0		0
Unrealized losses	(5,067)		(5,067)		(7,466)
Estimated fair value	$ 43,405		$ 43,405		$ 40,976
Loss on the write-off of an AFS debt security				$ 5,000