Debt Securities - Amortized cost and fair value (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Available for Sale
Amortized Cost	$ 63,127		$ 63,127		$ 63,770
Gross Unrealized Gains	60		60		61
Gross Unrealized Losses	(4,050)		(4,050)		(3,938)
Estimated Fair Value	59,137		59,137		59,893
Held to Maturity
Amortized Cost	16,708		16,708		18,283
Gross Unrealized Gains	1		1		1
Gross Unrealized Losses	(1,587)		(1,587)		(1,540)
Held-to-Maturity Securities, Fair Value	15,122		15,122		16,744
Sales of available for sale securities	0	$ 0	0	$ 0
Sales of held to maturity securities	0	$ 0	0	$ 0
Collateral Pledged
Held to Maturity
Debt securities pledged as collateral	14,317		14,317		14,815
Residential mortgage-backed
Available for Sale
Amortized Cost	6,480		6,480		6,475
Gross Unrealized Losses	(712)		(712)		(679)
Estimated Fair Value	5,768		5,768		5,796
Held to Maturity
Amortized Cost	14,766		14,766		16,112
Gross Unrealized Losses	(1,570)		(1,570)		(1,534)
Held-to-Maturity Securities, Fair Value	13,196		13,196		14,578
Collateralized mortgage obligations
Available for Sale
Amortized Cost	36,400		36,400		37,023
Gross Unrealized Gains					12
Gross Unrealized Losses	(1,464)		(1,464)		(1,293)
Estimated Fair Value	34,936		34,936		35,742
State and municipal
Available for Sale
Amortized Cost	9,719		9,719		9,753
Gross Unrealized Losses	(1,028)		(1,028)		(1,010)
Estimated Fair Value	8,691		8,691		8,743
Held to Maturity
Amortized Cost	1,200		1,200		1,200
Gross Unrealized Losses	(17)		(17)		(6)
Held-to-Maturity Securities, Fair Value	1,183		1,183		1,194
Corporate bonds
Available for Sale
Amortized Cost	10,528		10,528		10,519
Gross Unrealized Gains	60		60		49
Gross Unrealized Losses	(846)		(846)		(956)
Estimated Fair Value	9,742		9,742		9,612
U.S. Government and agency
Held to Maturity
Amortized Cost	742		742		971
Gross Unrealized Gains	1		1		1
Held-to-Maturity Securities, Fair Value	$ 743		$ 743		$ 972

Amortized cost of investment in debt security that are sold.

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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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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, 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 restricted 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, before 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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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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The cash inflow associated with the sale of securities that had been designated as held-to-maturity. Excludes proceeds from maturities, prepayments and calls by the issuer.

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