Investment Securities - Schedule of Amortized Cost and Estimated Fair Value of Securities Available-for-Sale and Held-to-Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Securities Available-for-Sale:
Amortized Cost	$ 418,667	$ 409,380
Gross Unrealized Gains	615	225
Gross Unrealized Losses	(38,577)	(43,556)
Fair Value	380,705	366,049
Securities Held-to-Maturity:
Amortized Cost	421,894	430,077
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(41,383)	(47,057)
Fair Value	380,511	383,020
U.S. treasury securities
Securities Available-for-Sale:
Amortized Cost	10,959	3,173
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(5)	0
Fair Value	10,954	3,173
Securities Held-to-Maturity:
Amortized Cost	85,394	91,004
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(1,981)	(2,828)
Fair Value	83,413	88,176
U.S. agency securities
Securities Available-for-Sale:
Amortized Cost	2,933	3,001
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(179)	(246)
Fair Value	2,754	2,755
Securities Held-to-Maturity:
Amortized Cost	16,117	16,151
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(995)	(1,263)
Fair Value	15,122	14,888
Asset backed securities
Securities Available-for-Sale:
Amortized Cost	15,868	17,925
Gross Unrealized Gains	16	17
Gross Unrealized Losses	(160)	(118)
Fair Value	15,724	17,824
State, county & municipal securities
Securities Available-for-Sale:
Amortized Cost	110,630	110,952
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(14,106)	(15,315)
Fair Value	96,524	95,637
Securities Held-to-Maturity:
Amortized Cost	137,291	137,190
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(14,623)	(15,915)
Fair Value	122,668	121,275
Corporate debt securities
Securities Available-for-Sale:
Amortized Cost	53,317	53,324
Gross Unrealized Gains	6	1
Gross Unrealized Losses	(5,129)	(5,543)
Fair Value	48,194	47,782
Mortgage-backed securities
Securities Available-for-Sale:
Amortized Cost	224,960	221,005
Gross Unrealized Gains	593	207
Gross Unrealized Losses	(18,998)	(22,334)
Fair Value	206,555	198,878
Securities Held-to-Maturity:
Amortized Cost	183,092	185,732
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(23,784)	(27,051)
Fair Value	$ 159,308	$ 158,681

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 excluding accrued interest, before allowance for credit loss, of 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 excluding accrued interest, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

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

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