Investment Securities - Amortized Cost and Fair Value of Securities Available-for-Sale (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Marketable Securities [Line Items]
Securities available-for-sale, amortized cost	$ 103,308	$ 107,197
Gross unrealized gains	182	169
Gross unrealized losses	(12,906)	(12,667)
Securities available-for-sale	90,584	94,699
U.S. government agency securities
Marketable Securities [Line Items]
Securities available-for-sale, amortized cost	6,447	7,276
Gross unrealized gains	154	138
Gross unrealized losses	(50)	(53)
Securities available-for-sale	6,551	7,361
Mortgage-backed securities
Marketable Securities [Line Items]
Securities available-for-sale, amortized cost	54,171	56,941
Gross unrealized gains	28	31
Gross unrealized losses	(8,968)	(8,786)
Securities available-for-sale	45,231	48,186
Obligations of states and political subdivisions
Marketable Securities [Line Items]
Securities available-for-sale, amortized cost	40,471	40,734
Gross unrealized gains	0	0
Gross unrealized losses	(3,854)	(3,770)
Securities available-for-sale	36,617	36,964
Collateralized mortgage obligations
Marketable Securities [Line Items]
Securities available-for-sale, amortized cost	219	246
Gross unrealized gains	0	0
Gross unrealized losses	(16)	(15)
Securities available-for-sale	203	231
Corporate bonds
Marketable Securities [Line Items]
Securities available-for-sale, amortized cost	2,000	2,000
Gross unrealized gains	0	0
Gross unrealized losses	(18)	(43)
Securities available-for-sale	$ 1,982	$ 1,957

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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