v3.25.4

INVESTMENT SECURITIES - Narrative (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items] |  |  |
Available for sale, at fair value | $ 1,783,551,000 | $ 1,629,058,000 |
Book value of securities transferred from available for sale to held-to-maturity | 0 | 0 |
Held-to-maturity, at amortized cost | $ 1,554,015,000 | $ 1,586,205,000 |
Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] | Other assets | Other assets |
Accrued interest receivable | $ 41,600,000 | $ 38,700,000 |
Federal Home Loan Bank of New York |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Investment owned, balance (in shares) | 50,091 | 156,932 |
Investment owned, cost (in dollars per share) | $ 100 | $ 100 |
Dividend income | $ 500,000 | $ 400,000 | $ 800,000
Traditional securities |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Available for sale, at fair value | 1,580,049,000 | 1,477,047,000 |
Held-to-maturity, at amortized cost | 476,950,000 | 542,246,000 |
Traditional securities | Asset Pledged as Collateral | Federal Home Loan Bank Advances |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Available for sale, at fair value | 1,150,000,000 | 1,050,000,000.00 |
Held to maturity, at fair value | 393,800,000 | 473,200,000 |
Property Assessed Clean Energy ("PACE") assessments |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Available for sale, at fair value | 203,502,000 | 152,011,000 |
Held-to-maturity, at amortized cost | 1,077,065,000 | $ 1,043,959,000 |
Property Assessed Clean Energy ("PACE") assessments | External Credit Rating, Noninvestment Grade |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Held-to-maturity, at amortized cost | $ 7,000,000.0 |  |

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