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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 | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 4,390 | $ 7,025 | $ 9,905 | $ 26,545
Loan modifications | 10,474 | 42,564 | 10,474 | 42,564
30-59 Days past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 494 | 455 | 494 | 455
60-89 Days past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 477 | 355 | 477 | 355
90 Days or more past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 596 | 932 | 596 | 932
Current |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 8,907 | 40,822 | 8,907 | 40,822
Interest Rate Reduction |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  | 266 |  | 266
Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | 2,629 | 1,788 | 5,853 | 7,066
Payment Deferral |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | 346 | 4,855 | 2,073 | 18,992
Debt Forgiveness |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | 686 | 37 | 1,126 | 93
Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | 729 | 79 | 853 | 128
Commercial and industrial, including specialized lending |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 1,625 | $ 4,800 | $ 2,943 | $ 10,049
Percentage of Total by Financing Class | 0.02% | 0.07% | 0.04% | 0.15%
Interest Rate Reduction (%) | 0 | 0 | 0 | 0
Debt Forgiven | $ 0 | $ 0 | $ 0 | $ 0
Loan modifications | 2,942 | 22,625 | 2,942 | 22,625
Commercial and industrial, including specialized lending | 30-59 Days past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 0 | 0 | 0 | 0
Commercial and industrial, including specialized lending | 60-89 Days past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 0 | 0 | 0 | 0
Commercial and industrial, including specialized lending | 90 Days or more past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 345 | 230 | 345 | 230
Commercial and industrial, including specialized lending | Current |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 2,597 | 22,395 | 2,597 | 22,395
Commercial and industrial, including specialized lending | Interest Rate Reduction |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  | 0 |  | 0
Commercial and industrial, including specialized lending | Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 1,625 | $ 0 | $ 2,306 | $ 2,000
Term Extension (in months) | 3 months | 0 months | 5 months | 1 month
Commercial and industrial, including specialized lending | Payment Deferral |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 0 | $ 4,800 | $ 637 | $ 8,049
Term Extension (in months) | 0 months | 10 months | 6 months | 8 months
Commercial and industrial, including specialized lending | Debt Forgiveness |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 0 | $ 0 | $ 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 | $ 0 | 0
Multifamily |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  |  |  | $ 10,713
Percentage of Total by Financing Class |  |  |  | 0.51%
Interest Rate Reduction (%) |  |  | 0 | 0
Debt Forgiven |  |  | $ 0 | $ 0
Loan modifications |  | 10,713 |  | 10,713
Multifamily | 30-59 Days past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications |  | 0 |  | 0
Multifamily | 60-89 Days past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications |  | 0 |  | 0
Multifamily | 90 Days or more past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications |  | 0 |  | 0
Multifamily | Current |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications |  | 10,713 |  | 10,713
Multifamily | Interest Rate Reduction |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  |  |  | 0
Multifamily | Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  |  |  | $ 0
Term Extension (in months) |  |  | 0 months | 0 months
Multifamily | Payment Deferral |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  |  |  | $ 10,713
Term Extension (in months) |  |  | 0 months | 5 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 |  |  |  | $ 52
Percentage of Total by Financing Class |  |  |  | 0.01%
Interest Rate Reduction (%) |  |  | 0 | 0
Debt Forgiven |  |  | $ 0 | $ 0
Loan modifications |  | 52 |  | 52
Residential real estate | 30-59 Days past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications |  | 0 |  | 0
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 |  | 52 |  | 52
Residential real estate | Interest Rate Reduction |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  |  |  | 0
Residential real estate | Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  |  |  | $ 0
Term Extension (in months) |  |  | 0 months | 0 months
Residential real estate | Payment Deferral |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  |  |  | $ 52
Term Extension (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
Manufactured housing |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  | $ 97 |  | $ 224
Percentage of Total by Financing Class |  | 0.28% |  | 0.65%
Interest Rate Reduction (%) | 0 | 0.038 | 0 | 0.040
Debt Forgiven | $ 0 | $ 0 | $ 0 | $ 0
Loan modifications | 89 | 349 | 89 | 349
Manufactured housing | 30-59 Days past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 0 | 19 | 0 | 19
Manufactured housing | 60-89 Days past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 0 | 24 | 0 | 24
Manufactured housing | 90 Days or more past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 0 | 37 | 0 | 37
Manufactured housing | Current |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | $ 89 | 269 | $ 89 | 269
Manufactured housing | Interest Rate Reduction |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  | 0 |  | 0
Manufactured housing | Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  | $ 18 |  | $ 96
Term Extension (in months) | 0 months | 115 months | 0 months | 78 months
Manufactured housing | Payment Deferral |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  | $ 0 |  | $ 0
Term Extension (in months) | 0 months | 0 months | 0 months | 0 months
Manufactured housing | Debt Forgiveness |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  | $ 0 |  | $ 0
Manufactured housing | Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  | 79 |  | 128
Personal installment |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 2,765 | $ 2,128 | $ 6,962 | $ 5,507
Percentage of Total by Financing Class | 0.48% | 0.47% | 1.22% | 1.21%
Interest Rate Reduction (%) | 0.113 | 0.136 | 0.114 | 0.136
Debt Forgiven | $ 1,007 | $ 12 | $ 1,934 | $ 153
Loan modifications | 7,443 | 8,825 | 7,443 | 8,825
Personal installment | 30-59 Days past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 494 | 436 | 494 | 436
Personal installment | 60-89 Days past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 477 | 331 | 477 | 331
Personal installment | 90 Days or more past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 251 | 665 | 251 | 665
Personal installment | Current |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 6,221 | 7,393 | 6,221 | 7,393
Personal installment | Interest Rate Reduction |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  | 266 |  | 266
Personal installment | Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 1,004 | $ 1,770 | $ 3,547 | $ 4,970
Term Extension (in months) | 5 months | 5 months | 5 months | 5 months
Personal installment | Payment Deferral |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 346 | $ 55 | $ 1,436 | $ 178
Term Extension (in months) | 10 months | 7 months | 8 months | 7 months
Personal installment | Debt Forgiveness |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 686 | $ 37 | $ 1,126 | $ 93
Personal installment | Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 729 | $ 0 | $ 853 | $ 0

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