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COMMITMENTS, CONTINGENT LIABILITIES AND RESTRICTIONS (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
COMMITMENTS, CONTINGENT LIABILITIES AND RESTRICTIONS |  |  |  |
Contract amount of commitments and contingencies |  | $ 1,544,138,000 | $ 1,486,563,000 |
Federal Reserve unused borrowing capacity |  | 490,500,000 |  |
Federal Reserve required average total reserve |  | 0 | 0 |
Litigation accrual |  | 0 | (100,000) | $ 2,950,000
Litigation settlement amount | $ 2,900,000 |  |  |
Adjustment to the Company's litigation accrual |  | 100,000 |  |
Minimum |  |  |  |
COMMITMENTS, CONTINGENT LIABILITIES AND RESTRICTIONS |  |  |  |
Range of reasonably possible losses for such matters in the aggregate, beyond the existing recorded liability |  | 0 |  |
Maximum |  |  |  |
COMMITMENTS, CONTINGENT LIABILITIES AND RESTRICTIONS |  |  |  |
Range of reasonably possible losses for such matters in the aggregate, beyond the existing recorded liability |  | 1,000,000 |  |
Commitments to extend credit |  |  |  |
COMMITMENTS, CONTINGENT LIABILITIES AND RESTRICTIONS |  |  |  |
Contract amount of commitments and contingencies |  | 1,486,791,000 | 1,443,879,000 |
Standby letters of credit |  |  |  |
COMMITMENTS, CONTINGENT LIABILITIES AND RESTRICTIONS |  |  |  |
Contract amount of commitments and contingencies |  | $ 57,347,000 | $ 42,684,000 |

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