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RELATED PARTY TRANSACTIONS - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Related Party Transaction [Line Items] |  |  |
Deposits | $ 5,720,525 | $ 5,460,620 |
Investment in limited partnerships | 13,000 | 12,200 |
Investment banking, advisory, brokerage, and underwriting fees and commissions | 9,080 | 8,636 | $ 8,750
Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Deposits | 22,500 | 16,200 |
Investment in limited partnerships | 3,000 | 2,300 |
Equity method investment, remaining commitments | 2,300 | 2,800 |
Investment banking, advisory, brokerage, and underwriting fees and commissions | $ 25 | $ 25 |

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