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v3.25.3

LOANS AND LEASES - Additional Information (Details) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 USD ($) | Jun. 30, 2025 Loan | Sep. 30, 2025 USD ($) Loan | Dec. 31, 2024 USD ($)
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |  |
Loan receivable, validate risk ratings performed for large sample or new lending to existing relationships | $ 1,000,000 |  | $ 1,000,000 |
Loan receivable, validate risk ratings performed for criticized and classified rated borrowers with relationship exposure, value | 500,000 |  | 500,000 |
Loan receivable, validate risk ratings performed for new federal reserve board regulation "O" loan commitments, value | 1,000,000 |  | 1,000,000 |
Loan receivable validate risk ratings performed for leveraged loans, value | 1,000,000 |  | 1,000,000 |
Loan receivable validate risk ratings performed for no borrower with commitments, value | 500,000 |  | 500,000 |
Allowance for credit losses, recorded investment nonaccrual status | 84,142,000 |  | $ 84,142,000 | $ 100,168,000
Primary Residential Mortgages [Member] |  |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |  |
Number of loans modified | Loan |  |  | 3 |
Financing receivable modified in period amount |  |  | $ 691,000 |
Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |  |
Financing receivable increase in special mention loans |  |  | 12,800,000 |
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |  |
Allowance for credit losses, recorded investment nonaccrual status | 23,582,000 |  | 23,582,000 | 30,881,000
Multifamily Loans [Member] |  |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |  |
Financing receivable modified in period amount |  |  | $ 100,200,000 |
Commercial and Industrial Loans [Member] |  |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |  |
Number of loans modified | Loan |  |  | 3 |
Financing receivable modified in period amount |  |  | $ 10,900,000 |
Substandard [Member] |  |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |  |
Financing receivable individually evaluated loan |  |  | 84,100,000 | $ 99,800,000
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |  |
Financing receivable increase in special mention loans | 20,100,000 |  |  |
Substandard [Member] | Multifamily Loans [Member] |  |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |  |
Financing receivable increase in special mention loans | 11,800,000 |  |  |
Number of multifamily loans | Loan |  | 3 |  |
Minimum [Member] |  |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |  |
Loan receivable, validate risk ratings performed for large sample of borrowers with relationship, value | 1,000,000 |  | 1,000,000 |
Maximum [Member] |  |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |  |
Loan receivable, validate risk ratings performed for small sample of borrowers with relationship, value | $ 1,000,000 |  | $ 1,000,000 |

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