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PORTFOLIO LOANS - Schedule of loan modifications made to borrowers experiencing financial difficulty (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023
Payment Deferral |  |
Loans identified as impaired |  |
Amortized cost basis | $ 10,000 | $ 489
% of total class of financing receivable | 0.10% | 0.00%
Payment Deferral | C&I and other commercial |  |
Loans identified as impaired |  |
Amortized cost basis | $ 10,000 | $ 489
% of total class of financing receivable | 0.50% | 0.00%
Payment Deferral | Commercial real estate |  |
Loans identified as impaired |  |
Amortized cost basis | $ 0 | $ 0
% of total class of financing receivable | 0.00% | 0.00%
Term Extension |  |
Loans identified as impaired |  |
Amortized cost basis | $ 18,860 | $ 37,853
% of total class of financing receivable | 0.20% | 0.50%
Term Extension | C&I and other commercial |  |
Loans identified as impaired |  |
Amortized cost basis | $ 17,155 | $ 25,155
% of total class of financing receivable | 0.90% | 1.30%
Term Extension | Commercial real estate |  |
Loans identified as impaired |  |
Amortized cost basis | $ 1,705 | $ 12,698
% of total class of financing receivable | 0.10% | 0.40%

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