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PORTFOLIO LOANS - Narrative (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Net deferred loan origination costs | $ 12,500,000 | $ 13,500,000 |
Net accretable purchase accounting adjustments | (8,800,000) | (4,500,000) |
Amount of interest collected and recognized on a cash basis | 0 | 400,000 | $ 400,000
Collateral dependent loans secured by real estate or business assets | 19,300,000 | 6,100,000 |
90+ Days |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross interest income that would have been recorded if impaired loans had been current | 900,000 | 1,100,000 | 1,200,000
Commercial loans | Maximum |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Limit where loans are processed through an expedited underwriting process | 1,000,000 |  |
Commercial loans | Watch |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Limit above which loans are annually reviewed | 1,000,000 |  |
Commercial loans | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Limit above which loans are annually reviewed | 350,000 |  |
Retail loans: | CRE |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans purchased | $ 6,900,000 | $ 0 | $ 0

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