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ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Additional Information (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Loan amount of credit quality analysis | $ 250,000 |
Loans receivable before allowance for credit loss | 4,870,965,000 | $ 4,710,396,000
PPP | Pass |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Loans receivable before allowance for credit loss | $ 1,500,000 | $ 1,500,000

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