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NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 USD ($) reporting_unit segment branch | Mar. 31, 2023 USD ($) | Dec. 31, 2023 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total number of service offices | branch | 23 |  |
Liquidating investment period (in years) | 10 years |  |
Other investments | $ 13,022 |  | $ 15,725
Loans charged off past due more than days | 180 days |  |
Closed end loan charged off past due more than days | 120 days |  |
Number of operating segments | segment | 1 |  |
Number of reporting units | reporting_unit | 1 |  |
Carrying amount of investment | $ 27 | $ 0 |
Vesting period of shares (in years) | 3 years |  |
Effective income tax rate | 21.30% | 25.50% |
Deferred tax asset valuation allowance | $ 1,828 |  |
Loan commitments outstanding | 2,437 |  |
Federal Home Loan Bank Short Term Debt |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Advance from FHLB | 9,500 |  | 44,000
Federal Home Loan Bank Long Term Debt |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Advance from FHLB | $ 30,000 |  | 35,530
Minimum |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Useful life of intangible assets | 72 months |  |
Minimum | Buildings and Components |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Useful life of property and equipment | 10 years |  |
Minimum | Furniture Fixtures and Equipment |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Useful life of property and equipment | 3 years |  |
Maximum |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Useful life of intangible assets | 111 months |  |
Maximum | Buildings and Components |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Useful life of property and equipment | 40 years |  |
Maximum | Furniture Fixtures and Equipment |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Useful life of property and equipment | 10 years |  |
Other Assets |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Carrying amount of investment | $ 2,753 |  |
FHLB |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Other investments | 4,595 |  | 7,302
Federal Reserve Bank |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Other investments | 5,703 |  | 5,699
Bankers Bank Stock |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Other investments | $ 2,724 |  | $ 2,724
Commercial Loan |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income discontinued over delinquent days | 90 days |  |
Closed End Consumer Loan |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income discontinued over delinquent days | 120 days |  |
Real Estate and Open Ended Consumer Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income discontinued over delinquent days | 180 days |  |

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