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LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Allowance for Credit Losses (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 USD ($) borrower | Mar. 31, 2023 USD ($) | Dec. 31, 2023 USD ($) borrower
Financing Receivable, Allowance For Credit Losses [Line Items] |  |  |
Average loans | $ 175,914,000 | $ 184,787,000 |
Net charge-offs to average loans (annualized) | 0.66% | (0.09%) |
Number of borrowers | borrower | 6 |  | 3
Loans charged off | $ 314,000 | $ 8,000 | $ 203,000
Outstanding commitments | 34,600,000 |  |
Term Loans by Origination Year |  |  |
2022 | 13,000 |  |
2021 | 299,000 |  | 47,000
2020 |  |  | 43,000
2019 |  |  | 27,000
Prior | 2,000 |  | 86,000
Total | 314,000 | 8,000 | 203,000
Unfunded commitments |  |  |
Beginning balance | 473,000 | 477,000 | 477,000
Reduction of unfunded reserve | (15,000) |  |
Provisions charged to operations | 39,000 | 5,000 |
Ending balance | $ 497,000 | $ 482,000 | 473,000
Real Estate Loan | Single-family Residential |  |  |
Financing Receivable, Allowance For Credit Losses [Line Items] |  |  |
Number of borrowers | borrower | 1 |  |
Commercial and Industrial | Commercial and Industrial |  |  |
Financing Receivable, Allowance For Credit Losses [Line Items] |  |  |
Loans charged off | $ 299,000 |  |
Term Loans by Origination Year |  |  |
2021 | 299,000 |  |
Total | 299,000 |  |
Consumer Loans | Consumer |  |  |
Financing Receivable, Allowance For Credit Losses [Line Items] |  |  |
Loans charged off | 13,000 |  | 79,000
Term Loans by Origination Year |  |  |
2022 | 13,000 |  |
Prior |  |  | 79,000
Total | 13,000 |  | 79,000
Consumer Loans | Automobile |  |  |
Financing Receivable, Allowance For Credit Losses [Line Items] |  |  |
Loans charged off | 2,000 |  | 124,000
Term Loans by Origination Year |  |  |
2021 |  |  | 47,000
2020 |  |  | 43,000
2019 |  |  | 27,000
Prior | 2,000 |  | 7,000
Total | $ 2,000 |  | $ 124,000

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