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ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Additional Information (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 USD ($) loan | Mar. 31, 2021 loan | Dec. 31, 2021 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Loan amount of credit quality analysis | $ 250,000 |  |
Loans receivable before allowance for credit loss | 4,353,714,000 |  | $ 4,287,841,000
PPP | Pass |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Loans receivable before allowance for credit loss | 12,500,000 |  | 26,200,000
Total consumer loans |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Loans modified In troubled debt restructured loans | $ 6,000,000 |  | $ 5,800,000
Number of loans modified as troubled debt restructurings | loan | 1 | 0 |

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