Loans and Allowance for Credit Losses - Loans - Current, Past Due, and Non-Accrual Loans by Categories of loans and Restructured Loans (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	$ 205,219,000	$ 176,307,000
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Non-accrual	360,000	527,000	$ 488,000
Allowance for loan losses	2,839,000	2,157,000	2,162,000
Total	205,219,000	176,307,000
Specific Reserves	139,000	200,000
Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	202,979,000	174,826,000
30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	1,880,000	954,000
Real Estate Loan
Loans and Allowance for Credit Losses - Loans
Non-accrual	273,000	145,000
Total	161,938,000	136,230,000
Specific Reserves	139,000	21,000
Real Estate Loan \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	160,563,000	135,576,000
Real Estate Loan \| 30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	1,102,000	509,000
Real Estate Loan \| Construction and Land
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	8,882,000	4,636,000
Allowance for loan losses	40,000	31,000	44,000
Total	8,882,000	4,636,000
Real Estate Loan \| Construction and Land \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	8,882,000	4,636,000
Real Estate Loan \| Farmland
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	315,000	325,000
Allowance for loan losses	16,000	18,000	20,000
Total	315,000	325,000
Real Estate Loan \| Farmland \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	315,000	325,000
Real Estate Loan \| Single-family Residential
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	98,993,000	86,887,000
Non-accrual	149,000	145,000	104,000
Allowance for loan losses	1,529,000	1,290,000	1,230,000
Total	98,993,000	86,887,000
Specific Reserves	18,000	21,000
Real Estate Loan \| Single-family Residential \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	97,742,000	86,233,000
Real Estate Loan \| Single-family Residential \| 30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	1,102,000	509,000
Real Estate Loan \| Multi-family
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	5,022,000	5,165,000
Allowance for loan losses	224,000	96,000	103,000
Total	5,022,000	5,165,000
Real Estate Loan \| Multi-family \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	5,022,000	5,165,000
Real Estate Loan \| Commercial
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	48,726,000	39,217,000
Non-accrual	124,000
Allowance for loan losses	507,000	190,000	221,000
Total	48,726,000	39,217,000
Specific Reserves	121
Real Estate Loan \| Commercial \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	48,602,000	39,217,000
Commercial and Industrial
Loans and Allowance for Credit Losses - Loans
Non-accrual		299,000
Total	22,396,000	16,774,000
Specific Reserves		179,000
Commercial and Industrial \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	21,924,000	16,475,000
Commercial and Industrial \| 30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	472,000
Commercial and Industrial \| Commercial and Industrial
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	16,705,000	10,850,000
Non-accrual		299,000	299,000
Allowance for loan losses	272,000	304,000	174,000
Total	16,705,000	10,850,000
Specific Reserves	121,000	179,000
Commercial and Industrial \| Commercial and Industrial \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	16,233,000	10,551,000
Commercial and Industrial \| Commercial and Industrial \| 30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	472,000
Commercial and Industrial \| SBA guaranty
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	5,691,000	5,924,000
Allowance for loan losses	38,000	21,000	22,000
Total	5,691,000	5,924,000
Commercial and Industrial \| SBA guaranty \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	5,691,000	5,924,000
Consumer Loans
Loans and Allowance for Credit Losses - Loans
Non-accrual	87,000	83,000
Total	20,885,000	23,303,000
Consumer Loans \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	20,492,000	22,775,000
Consumer Loans \| 30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	306,000	445,000
Consumer Loans \| Consumer
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	2,880,000	2,039,000
Allowance for loan losses	45,000	30,000	23,000
Total	2,880,000	2,039,000
Consumer Loans \| Consumer \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	2,879,000	1,981,000
Consumer Loans \| Consumer \| 30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	1,000	58,000
Consumer Loans \| Automobile
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	18,005,000	21,264,000
Non-accrual	87,000	83,000	85,000
Allowance for loan losses	168,000	177,000	$ 325,000
Total	18,005,000	21,264,000
Consumer Loans \| Automobile \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	17,613,000	20,794,000
Consumer Loans \| Automobile \| 30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	$ 305,000	$ 387,000

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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