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LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Allowance for Credit Losses (Details) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 USD ($) borrower | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($)
Financing Receivable, Allowance for Credit Losses |  |  |
Average loans | $ 210,361,000 | $ 188,627,000 |
Net charge-offs to average loans (annualized) | 0.05% | 0.13% |
Number of borrowers | borrower | 15 |  |
Outstanding commitments | $ 37,500,000 | $ 31,600,000 |
Increase (Decrease) in outstanding commitments | 5,900,000 |  |
Term Loans by Origination Year |  |  |
Year 2 | 158,000 |  |
Year 3 |  |  | $ 13,000
Year 4 | 24,000 |  | 299,000
Year 5 | 22,000 |  | 51,000
Prior | 68,000 |  | 21,000
Total | 272,000 |  | 384,000
Unfunded commitments |  |  |
Beginning balance | 584,000 | 473,000 | 473,000
Reduction of unfunded reserve | (369,000) | (157,000) |
Provisions charged to operations |  | 281,000 |
Ending balance | 215,000 | $ 597,000 | 584,000
Commercial and Industrial Loans | Commercial and industrial |  |  |
Term Loans by Origination Year |  |  |
Year 4 |  |  | 299,000
Total |  |  | 299,000
Consumer Loans |  |  |
Term Loans by Origination Year |  |  |
Year 2 | 158,000 |  |
Year 3 |  |  | 13,000
Year 4 | 24,000 |  |
Year 5 | 22,000 |  | 51,000
Prior | 68,000 |  | 21,000
Total | 272,000 |  | 85,000
Consumer Loans | Consumer |  |  |
Term Loans by Origination Year |  |  |
Year 2 | 23,000 |  |
Year 3 |  |  | 13,000
Prior |  |  | 5,000
Total | 23,000 |  | 18,000
Consumer Loans | Automobile |  |  |
Term Loans by Origination Year |  |  |
Year 2 | 135,000 |  |
Year 4 | 24,000 |  |
Year 5 | 22,000 |  | 51,000
Prior | 68,000 |  | 16,000
Total | $ 249,000 |  | $ 67,000

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