Investment Securities - Schedule of Unrealized Gain (Loss) on Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Available-for-sale
Amortized Cost	$ 278,158	$ 284,770
Gross Unrealized Gains	324	11
Gross Unrealized Losses	19,989	24,304
Estimated Fair Value	258,493	260,477
Held-to-maturity
Amortized Cost	375,115	382,447
Gross Unrealized Gains	1	0
Gross Unrealized Losses	35,408	41,799
Estimated Fair Value	339,708	340,648
Amortized Cost	653,273	667,217
Gross Unrealized Gains	325	11
Gross Unrealized Losses	55,397	66,103
Estimated Fair Value	598,201	601,125
U.S. Treasury and U.S. government agencies
Available-for-sale
Amortized Cost	22,273	22,247
Gross Unrealized Gains	0	0
Gross Unrealized Losses	516	740
Estimated Fair Value	21,757	21,507
Held-to-maturity
Amortized Cost	237,976	241,941
Gross Unrealized Gains	0	0
Gross Unrealized Losses	22,952	28,133
Estimated Fair Value	215,024	213,808
Mortgage-backed U.S. government agencies
Available-for-sale
Amortized Cost	215,826	222,464
Gross Unrealized Gains	289	11
Gross Unrealized Losses	16,008	19,531
Estimated Fair Value	200,107	202,944
Held-to-maturity
Amortized Cost	36,275	37,593
Gross Unrealized Gains	1	0
Gross Unrealized Losses	4,703	5,508
Estimated Fair Value	31,573	32,085
State and political subdivision obligations
Available-for-sale
Amortized Cost	4,305	4,309
Gross Unrealized Gains	0	0
Gross Unrealized Losses	710	713
Estimated Fair Value	3,595	3,596
Held-to-maturity
Amortized Cost	75,418	77,462
Gross Unrealized Gains	0	0
Gross Unrealized Losses	6,633	6,840
Estimated Fair Value	68,785	70,622
Corporate debt securities
Available-for-sale
Amortized Cost	35,754	35,750
Gross Unrealized Gains	35	0
Gross Unrealized Losses	2,755	3,320
Estimated Fair Value	33,034	32,430
Held-to-maturity
Amortized Cost	25,446	25,451
Gross Unrealized Gains	0	0
Gross Unrealized Losses	1,120	1,318
Estimated Fair Value	$ 24,326	$ 24,133

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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Amount, before tax, of unrealized loss 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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Amortized cost, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity) and 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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Amount of cumulative unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity) and 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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Amount of cumulative unrecognized loss on investment in debt security measured at amortized cost (held-to-maturity) and 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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Fair value of investment in debt security measured at amortized cost (held-to-maturity) and 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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Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).

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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity).

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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