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BORROWED FUNDS - Subordinated Debt (Details) - USD ($) |  | 12 Months Ended
--- | --- | ---
May 19, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Debt Instrument [Line Items] |  |  |  |
Subordinated debt, net |  | $ 24,717,000 | $ 24,607,000 |
3.25% maturing in June 2031 and redeemable at par in June 2026 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Aggregate par value | $ 25,000,000.0 | $ 25,000,000 | $ 25,000,000 |
Stated interest rate | 3.25% | 3.25% | 3.25% |
Debt issuance costs | $ 563,000 |  |  |
Subordinated debt, net | $ 24,437,000 | $ 24,717,000 | $ 24,607,000 |
Amortization of debt issuance costs |  | $ 110,000 | $ 106,000 | $ 63,000
Effective interest rate |  | 3.74% | 3.74% |
3.25% maturing in June 2031 and redeemable at par in June 2026 | Debt Instrument, Redemption, Period One |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Stated interest rate | 3.25% |  |  |
Debt Instrument, Redemption Period, End Date | Jun. 01, 2031 |  |  |
3.25% maturing in June 2031 and redeemable at par in June 2026 | Debt Instrument, Redemption, Period Two |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Redemption Period, Start Date | Jun. 01, 2026 |  |  |
Debt Instrument, Redemption Period, End Date | Jun. 01, 2026 |  |  |
Debt Instrument, Basis Spread on Variable Rate | 2.59% |  |  |

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