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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, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 7,025 | $ 4,200 | $ 26,545 | $ 11,862
Loan modifications | 42,564 | 11,864 | 42,564 | 11,864
30-59 Days past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 455 | 837 | 455 | 837
60-89 Days past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 355 | 565 | 355 | 565
90 Days or more past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 932 | 523 | 932 | 523
Current |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 40,822 | 9,939 | 40,822 | 9,939
Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | 1,788 | 3,863 | 7,066 | 11,085
Payment Deferral |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | 4,855 | 210 | 18,992 | 442
Debt Forgiveness |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | 37 | 28 | 93 | 222
Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | 79 | $ 99 | 128 | $ 113
Contractual Interest Rate Reduction [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | 266 |  | 266 |
Commercial and industrial, including specialized lending |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 4,800 |  | $ 10,049 |
Percentage of Total by Financing Class | 0.07% |  | 0.15% |
Interest Rate Reduction (%) | 0 | 0 | 0 | 0
Debt Forgiven | $ 0 | $ 0 | $ 0 | $ 0
Loan modifications | 22,625 |  | 22,625 |
Commercial and industrial, including specialized lending | 30-59 Days past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 0 |  | 0 |
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 | 230 |  | 230 |
Commercial and industrial, including specialized lending | Current |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 22,395 |  | 22,395 |
Commercial and industrial, including specialized lending | Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 0 |  | $ 2,000 |
Term Extension and Payment Deferral (in months) | 0 months | 0 months | 1 month | 0 months
Commercial and industrial, including specialized lending | Payment Deferral |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 4,800 |  | $ 8,049 |
Term Extension and Payment Deferral (in months) | 10 months | 0 months | 8 months | 0 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 |
Commercial and industrial, including specialized lending | Contractual Interest Rate Reduction [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | 0 |  | 0 |
Manufactured housing |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 97 | $ 99 | $ 224 | $ 119
Percentage of Total by Financing Class | 0.28% | 0.25% | 0.65% | 0.30%
Interest Rate Reduction (%) | 0.038 | 0.044 | 0.040 | 0.043
Debt Forgiven | $ 0 | $ 0 | $ 0 | $ 0
Loan modifications | 349 | 119 | 349 | 119
Manufactured housing | 30-59 Days past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 19 | 0 | 19 | 0
Manufactured housing | 60-89 Days past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 24 | 0 | 24 | 0
Manufactured housing | 90 Days or more past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 37 | 0 | 37 | 0
Manufactured housing | Current |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 269 | 119 | 269 | 119
Manufactured housing | Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 18 | $ 0 | $ 96 | $ 6
Term Extension and Payment Deferral (in months) | 115 months | 31 months | 78 months | 30 months
Manufactured housing | Payment Deferral |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 0 | $ 0 | $ 0 | $ 0
Term Extension and Payment Deferral (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 | $ 0 | $ 0
Manufactured housing | Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | 79 | 99 | 128 | 113
Manufactured housing | Contractual Interest Rate Reduction [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | 0 |  | 0 |
Personal installment |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 2,128 | $ 4,101 | $ 5,507 | $ 11,574
Percentage of Total by Financing Class | 0.47% | 0.42% | 1.21% | 1.20%
Interest Rate Reduction (%) | 0.136 | 0 | 0.136 | 0
Debt Forgiven | $ 12 | $ 20 | $ 153 | $ 183
Loan modifications | 8,825 | 11,576 | 8,825 | 11,576
Personal installment | 30-59 Days past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 436 | 837 | 436 | 837
Personal installment | 60-89 Days past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 331 | 565 | 331 | 565
Personal installment | 90 Days or more past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 665 | 354 | 665 | 354
Personal installment | Current |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications | 7,393 | 9,820 | 7,393 | 9,820
Personal installment | Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 1,770 | $ 3,863 | $ 4,970 | $ 10,910
Term Extension and Payment Deferral (in months) | 5 months | 6 months | 5 months | 6 months
Personal installment | Payment Deferral |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 55 | $ 210 | $ 178 | $ 442
Term Extension and Payment Deferral (in months) | 7 months | 6 months | 7 months | 6 months
Personal installment | Debt Forgiveness |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | $ 37 | $ 28 | $ 93 | $ 222
Personal installment | Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | 0 | 0 | 0 | $ 0
Personal installment | Contractual Interest Rate Reduction [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans | 266 |  | 266 |
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 | 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 |  |  | $ 10,713 |
Term Extension and Payment Deferral (in months) |  |  | 5 months | 0 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 |
Multifamily | Contractual Interest Rate Reduction [Member] |  |  |  |
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 | 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 |  |  | $ 52 |
Term Extension and Payment Deferral (in months) |  |  | 5 months | 0 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 |
Residential real estate | Contractual Interest Rate Reduction [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  |  | $ 0 |
Commercial real estate owner occupied |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  |  |  | $ 169
Percentage of Total by Financing Class |  |  |  | 0.02%
Interest Rate Reduction (%) |  |  | 0 | 0
Debt Forgiven |  |  | $ 0 | $ 0
Loan modifications |  | 169 |  | 169
Commercial real estate owner occupied | 30-59 Days past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications |  | 0 |  | 0
Commercial real estate owner occupied | 60-89 Days past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications |  | 0 |  | 0
Commercial real estate owner occupied | 90 Days or more past due |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications |  | 169 |  | 169
Commercial real estate owner occupied | Current |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications |  | $ 0 |  | 0
Commercial real estate owner occupied | Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  |  |  | $ 169
Term Extension and Payment Deferral (in months) |  |  | 0 months | 4 months
Commercial real estate owner occupied | Payment Deferral |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  |  |  | $ 0
Term Extension and Payment Deferral (in months) |  |  | 0 months | 0 months
Commercial real estate owner occupied | Debt Forgiveness |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  |  |  | $ 0
Commercial real estate owner occupied | Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized cost of loans |  |  |  | $ 0

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