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REGULATORY CAPITAL - Additional Information (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2021 | Dec. 31, 2021 | Aug. 26, 2021 | Aug. 25, 2021 | Dec. 31, 2020 | Dec. 29, 2015
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |  |  |  |
Junior Subordinated Notes |  |  |  | $ 13,100 | $ 12,970 |
Subordinated Debt |  | $ 26,603 |  |  | 7,534 |
Subordinated Debt. |  |  |  |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |  |  |  |
Debt Instrument, Face Amount |  | 27,000 | $ 27,000 |  |  | $ 7,650
Net Proceeds | $ 20,000 | 20,000 |  |  |  |
Junior Subordinated Notes |  |  |  |  | 13,000 |
Subordinated Debt |  | 26,600 |  | $ 7,650 | $ 7,500 |
Debt Conversion, Downstream of Capital |  | $ 3,500 |  |  |  |

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