Investment Securities - Schedule of Amortized Cost and Estimated Fair Value of Securities Available-for-Sale and Held-to-Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Securities Available-for-Sale:
Amortized Cost	$ 409,912	$ 409,380
Gross Unrealized Gains	714	225
Gross Unrealized Losses	(37,054)	(43,556)
Fair Value	373,572	366,049
Securities Held-to-Maturity:
Amortized Cost	409,634	430,077
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(40,531)	(47,057)
Fair Value	369,103	383,020
U.S. treasury securities
Securities Available-for-Sale:
Amortized Cost	9,965	3,173
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	9,965	3,173
Securities Held-to-Maturity:
Amortized Cost	75,758	91,004
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(1,546)	(2,828)
Fair Value	74,212	88,176
U.S. agency securities
Securities Available-for-Sale:
Amortized Cost	2,781	3,001
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(162)	(246)
Fair Value	2,619	2,755
Securities Held-to-Maturity:
Amortized Cost	16,084	16,151
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(856)	(1,263)
Fair Value	15,228	14,888
Asset backed securities
Securities Available-for-Sale:
Amortized Cost	15,492	17,925
Gross Unrealized Gains	0	17
Gross Unrealized Losses	(320)	(118)
Fair Value	15,172	17,824
State, county & municipal securities
Securities Available-for-Sale:
Amortized Cost	110,308	110,952
Gross Unrealized Gains	3	0
Gross Unrealized Losses	(14,143)	(15,315)
Fair Value	96,168	95,637
Securities Held-to-Maturity:
Amortized Cost	137,392	137,190
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(15,378)	(15,915)
Fair Value	122,014	121,275
Corporate debt securities
Securities Available-for-Sale:
Amortized Cost	50,810	53,324
Gross Unrealized Gains	0	1
Gross Unrealized Losses	(4,873)	(5,543)
Fair Value	45,937	47,782
Mortgage-backed securities
Securities Available-for-Sale:
Amortized Cost	220,556	221,005
Gross Unrealized Gains	711	207
Gross Unrealized Losses	(17,556)	(22,334)
Fair Value	203,711	198,878
Securities Held-to-Maturity:
Amortized Cost	180,400	185,732
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(22,751)	(27,051)
Fair Value	$ 157,649	$ 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 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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