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DERIVATIVES - Additional Information (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Derivative [Line Items] |  |  |  |  |
Net interest income (expense) | $ 35,042,000 | $ 38,921,000 | $ 69,417,000 | $ 82,899,000 |
Accrued interest receivable | 33,534,000 |  | 33,534,000 |  | $ 30,676,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional amount | 310,000,000 |  | 310,000,000 |  | 310,000,000
Net interest income (expense) | 1,500,000 | $ 1,100,000 | 3,000,000 | $ 2,000,000 |
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Other Assets [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional amount | 310,000,000 |  | 310,000,000 |  | 310,000,000
Loan Level Swaps [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional amount | 498,763,000 |  | 498,763,000 |  | 545,983,000
Loan Level Swaps [Member] | Not Designated as Hedging Instrument [Member] | Other Assets [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Accrued interest receivable | 1,200,000 |  | 1,200,000 |  | 1,200,000
Loan Level Swaps [Member] | Not Designated as Hedging Instrument [Member] | Other Liabilities [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Accrued interest payable | $ 1,400,000 |  | $ 1,400,000 |  | $ 1,400,000

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