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LOANS AND LEASES RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES ON LOANS AND LEASES - Loan Modifications for Borrowers Experiencing Financial Difficulty (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans | $ 5,799 | $ 16,706
Loan modifications | 18,419 | 43,108
30-59 Days past due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | 188 | 2,980
60-89 Days past due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | 347 | 718
90 Days or more past due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | 153 | 577
Current |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | 17,731 | 38,833
Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans | 3,347 | 3,747
Payment Deferral |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans | 2,206 | 12,923
Debt Forgiveness |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans | 118 | 36
Interest Rate Reduction and Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans | 128 | 0
Commercial and industrial, including specialized lending |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans | $ 1,497 | $ 1,980
Percentage of Total by Financing Class | 0.02% | 0.03%
Interest Rate Reduction (%) | 0 | 0
Debt Forgiven | $ 0 | $ 0
Loan modifications | 11,179 | 17,328
Commercial and industrial, including specialized lending | 30-59 Days past due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | 0 | 1,980
Commercial and industrial, including specialized lending | 60-89 Days past due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | 0 | 0
Commercial and industrial, including specialized lending | 90 Days or more past due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | 0 | 0
Commercial and industrial, including specialized lending | Current |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | 11,179 | 15,348
Commercial and industrial, including specialized lending | Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans | $ 731 | $ 0
Term Extension and Payment Deferral (in months) | 11 months | 0 months
Commercial and industrial, including specialized lending | Payment Deferral |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans | $ 766 | $ 1,980
Term Extension and Payment Deferral (in months) | 6 months | 3 months
Commercial and industrial, including specialized lending | Debt Forgiveness |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans | $ 0 | $ 0
Commercial and industrial, including specialized lending | Interest Rate Reduction and Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans | $ 0 | 0
Multifamily |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans |  | $ 10,688
Percentage of Total by Financing Class |  | 0.50%
Interest Rate Reduction (%) | 0 | 0
Debt Forgiven | $ 0 | $ 0
Loan modifications |  | 10,688
Multifamily | 30-59 Days past due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications |  | 0
Multifamily | 60-89 Days past due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications |  | 0
Multifamily | 90 Days or more past due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications |  | 0
Multifamily | Current |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications |  | 10,688
Multifamily | Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans |  | $ 0
Term Extension and Payment Deferral (in months) | 0 months | 0 months
Multifamily | Payment Deferral |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans |  | $ 10,688
Term Extension and Payment Deferral (in months) | 0 months | 12 months
Multifamily | Debt Forgiveness |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans |  | $ 0
Multifamily | Interest Rate Reduction and Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans |  | 0
Residential real estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans |  | $ 57
Percentage of Total by Financing Class |  | 0.01%
Interest Rate Reduction (%) | 0 | 0
Debt Forgiven | $ 0 | $ 0
Loan modifications | 302 | 103
Residential real estate | 30-59 Days past due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | 0 | 57
Residential real estate | 60-89 Days past due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | 0 | 0
Residential real estate | 90 Days or more past due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | 0 | 0
Residential real estate | Current |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | $ 302 | 46
Residential real estate | Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans |  | $ 0
Term Extension and Payment Deferral (in months) | 0 months | 0 months
Residential real estate | Payment Deferral |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans |  | $ 57
Term Extension and Payment Deferral (in months) | 0 months | 5 months
Residential real estate | Debt Forgiveness |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans |  | $ 0
Residential real estate | Interest Rate Reduction and Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans |  | 0
Personal installment |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans | $ 4,302 | $ 3,981
Percentage of Total by Financing Class | 0.87% | 0.50%
Interest Rate Reduction (%) | 0.132 | 0
Debt Forgiven | $ 73 | $ 100
Loan modifications | 6,622 | 14,246
Personal installment | 30-59 Days past due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | 188 | 943
Personal installment | 60-89 Days past due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | 347 | 626
Personal installment | 90 Days or more past due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | 136 | 546
Personal installment | Current |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | 5,951 | 12,131
Personal installment | Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans | $ 2,616 | $ 3,747
Term Extension and Payment Deferral (in months) | 5 months | 6 months
Personal installment | Payment Deferral |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans | $ 1,440 | $ 198
Term Extension and Payment Deferral (in months) | 7 months | 6 months
Personal installment | Debt Forgiveness |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans | $ 118 | $ 36
Personal installment | Interest Rate Reduction and Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized cost of loans | 128 | 0
Manufactured housing |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | 316 | 743
Manufactured housing | 30-59 Days past due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | 0 | 0
Manufactured housing | 60-89 Days past due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | 0 | 92
Manufactured housing | 90 Days or more past due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | 17 | 31
Manufactured housing | Current |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loan modifications | $ 299 | $ 620

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