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ALLOWANCE FOR CREDIT LOSSES - Additional Information (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |  |
Accrued interest receivable |  | $ 29,898,000 | $ 30,676,000 |
Individually evaluated include Nonaccrual loans |  | 99,800,000 | 60,600,000 |
Individually evaluated non accrual loans performing modified loans |  | 0 |  |
Allowance allocated to modified loans |  | 86,000 |  |
Allowance for credit losses |  | 72,992,000 | 65,888,000 | $ 60,829,000
Provision for credit losses | [1] | 7,500,000 | 14,091,000 | 6,353,000
Provision for credit losses due to charges-off |  | $ 5,806,000 | $ 9,155,000 | $ 1,506,000
Allowance for credit losses, percentage of loans |  | 1.32% | 1.21% |
Multifamily Property [Member] |  |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |  |
Provision for credit losses due to charges-off |  | $ 5,400,000 |  |
Allowance for credit losses, due to specific reserves |  | 5,100,000 |  |
Allowance for credit loss, credits transferred to nonaccrual status |  | 37,800,000 |  |
Loans [Member] |  |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |  |
Accrued interest receivable |  | $ 26,200,000 | $ 27,800,000 |
[1] | Commencing on January 1, 2022, the allowance calculation is based on the CECL methodology. Prior to January 1, 2022, the calculation was based on the incurred loss methodology.

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