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OFF-BALANCE SHEET COMMITMENTS AND CONTINGENCIES - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Amortization | $ 187 | $ 197 | $ 373 | $ 395 |
Capital Contributions, Small Business Investment Corporation |  |  |  |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Capital contributions |  |  | 19,100 |  | $ 17,000
Small Business Investment Corporations |  |  |  |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Capital contributions |  |  | 6,400 |  | 5,500
Capital Contributions, Low Income Housing Partnerships |  |  |  |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Capital contributions |  |  | 4,100 |  | 4,500
Low Income Housing Partnerships |  |  |  |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |
Capital contributions |  |  | $ 796 |  | $ 1,000

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