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LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Current, Past Due, and Non-Accrual Loans by Categories of loans and Restructured Loans (Details) - USD ($) | Sep. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | --- | --- | ---
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | $ 215,320,000 | $ 205,219,000 |  |
Nonaccrual | 1,201,000 | 360,000 | $ 293,000 | $ 527,000
Total | 215,320,000 | 205,219,000 |  |
Allowance for loan losses | 2,568,000 | 2,839,000 |  | 2,157,000
Nonaccrual with specific reserves | 0 |  |  |
Current |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 213,489,000 | 202,979,000 |  |
30 To 89 Days Past Due |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 630,000 | 1,880,000 |  |
Loans Secured by Real Estate |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Nonaccrual | 1,001,000 | 273,000 |  |
Total | 160,091,000 | 161,938,000 |  |
Loans Secured by Real Estate | Current |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 159,008,000 | 160,563,000 |  |
Loans Secured by Real Estate | 30 To 89 Days Past Due |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 82,000 | 1,102,000 |  |
Loans Secured by Real Estate | Construction and land |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 4,480,000 | 8,882,000 |  |
Total | 4,480,000 | 8,882,000 |  |
Allowance for loan losses | 23,000 | 40,000 |  | 31,000
Loans Secured by Real Estate | Construction and land | Current |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 4,480,000 | 8,882,000 |  |
Loans Secured by Real Estate | Farmland |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 308,000 | 315,000 |  |
Total | 308,000 | 315,000 |  |
Allowance for loan losses | 11,000 | 16,000 |  | 18,000
Loans Secured by Real Estate | Farmland | Current |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 308,000 | 315,000 |  |
Loans Secured by Real Estate | Single-family residential |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 103,440,000 | 98,993,000 |  |
Nonaccrual | 890,000 | 149,000 | 101,000 | 145,000
Total | 103,440,000 | 98,993,000 |  |
Allowance for loan losses | 1,408,000 | 1,529,000 |  | 1,290,000
Loans Secured by Real Estate | Single-family residential | Current |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 102,499,000 | 97,742,000 |  |
Loans Secured by Real Estate | Single-family residential | 30 To 89 Days Past Due |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 51,000 | 1,102,000 |  |
Loans Secured by Real Estate | Multi-family |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 4,909,000 | 5,022,000 |  |
Total | 4,909,000 | 5,022,000 |  |
Allowance for loan losses | 61,000 | 224,000 |  | 96,000
Loans Secured by Real Estate | Multi-family | Current |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 4,909,000 | 5,022,000 |  |
Loans Secured by Real Estate | Commercial |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 46,954,000 | 48,726,000 |  |
Nonaccrual | 111,000 | 124,000 | 129,000 |
Total | 46,954,000 | 48,726,000 |  |
Allowance for loan losses | 327,000 | 507,000 |  | 190,000
Loans Secured by Real Estate | Commercial | Current |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 46,812,000 | 48,602,000 |  |
Loans Secured by Real Estate | Commercial | 30 To 89 Days Past Due |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 31,000 |  |  |
Commercial and Industrial |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Total | 31,141,000 | 22,396,000 |  |
Commercial and Industrial | Current |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 31,141,000 | 21,924,000 |  |
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 | 25,679,000 | 16,705,000 |  |
Nonaccrual |  |  |  | 299,000
Total | 25,679,000 | 16,705,000 |  |
Allowance for loan losses | 470,000 | 272,000 |  | 304,000
Commercial and Industrial | Commercial and industrial | Current |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 25,679,000 | 16,233,000 |  |
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 | 5,462,000 | 5,691,000 |  |
Total | 5,462,000 | 5,691,000 |  |
Allowance for loan losses | 30,000 | 38,000 |  | 21,000
Commercial and Industrial | SBA guaranty | Current |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 5,462,000 | 5,691,000 |  |
Consumer Loans |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Nonaccrual | 200,000 | 87,000 |  |
Total | 24,088,000 | 20,885,000 |  |
Consumer Loans | Current |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 23,340,000 | 20,492,000 |  |
Consumer Loans | 30 To 89 Days Past Due |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 548,000 | 306,000 |  |
Consumer Loans | Consumer |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current |  | 2,880,000 |  |
Total | 2,571,000 | 2,880,000 |  |
Allowance for loan losses |  | 45,000 |  | 30,000
Consumer Loans | Consumer | Current |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 2,532,000 | 2,879,000 |  |
Consumer Loans | Consumer | 30 To 89 Days Past Due |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 39,000 | 1,000 |  |
Consumer Loans | Automobile |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 21,486,000 | 18,005,000 |  |
Nonaccrual | 200,000 | 87,000 | $ 63,000 | 83,000
Total | 21,486,000 | 18,005,000 |  |
Allowance for loan losses | 202,000 | 168,000 |  | $ 177,000
Consumer Loans | Automobile | Current |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | 20,777,000 | 17,613,000 |  |
Consumer Loans | Automobile | 30 To 89 Days Past Due |  |  |  |
Loans and Allowance for Credit Losses - Loans |  |  |  |
Financing Receivable, Recorded Investment, Current | $ 509,000 | $ 305,000 |  |

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