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GOODWILL AND OTHER INTANGIBLE ASSETS GOODWILL AND OTHER INTANGIBLE ASSETS--Additional Information (Details) - USD ($) $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2021 | Aug. 30, 2019 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Goodwill |  |  | $ 758 | $ 62,978 | $ 0
Intangible assets amortization |  |  | $ 11,185 | 9,839 | $ 11,126
Core Deposits |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Intangible assets amortization method |  |  | accelerated basis |  |
Estimated weighted average life (in years) |  |  | 5 years 3 months 18 days |  |
Customer Lists |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Intangible assets amortization method |  |  | straight-line basis |  |
Estimated weighted average life (in years) | 12 years | 11 years |  |  |
Customer Lists | Bannockburn [Member] |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Net | $ 31,100 |  | $ 27,500 | 31,100 |
Customer Lists | Summit Funding Group |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Net | $ 30,100 |  | $ 27,600 | $ 30,100 |

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