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Securities Available for Sale (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 1,510,681	$ 1,516,841
Gross Unrealized Gains	1,585	5,424
Gross Unrealized Losses	(245,713)	(222,564)
Fair Value	1,266,553	1,299,701
U.S. Treasury and U.S. government sponsored entities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	132,292	145,439
Gross Unrealized Gains	0	113
Gross Unrealized Losses	(17,185)	(17,597)
Fair Value	115,107	127,955
State and political subdivisions
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	609,950	644,880
Gross Unrealized Gains	1,294	4,792
Gross Unrealized Losses	(106,364)	(93,503)
Fair Value	504,880	556,169
Corporate bonds
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	17,849	18,554
Gross Unrealized Gains	172	187
Gross Unrealized Losses	(573)	(466)
Fair Value	17,448	18,275
Mortgage-backed securities - residential
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	605,350	624,529
Gross Unrealized Gains	34	1
Gross Unrealized Losses	(112,517)	(104,144)
Fair Value	492,867	520,386
Collateralized mortgage obligations
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	142,525	80,227
Gross Unrealized Gains	85	331
Gross Unrealized Losses	(8,834)	(6,559)
Fair Value	133,776	73,999
Small Business Administration
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	2,715	3,212
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(240)	(295)
Fair Value	$ 2,475	$ 2,917

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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