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DERIVATIVES AND HEDGING ACTIVITIES (Tables) | 3 Months Ended
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Mar. 31, 2025
DERIVATIVES AND HEDGING ACTIVITIES |
Schedule of fair value of derivative financial instruments and classification on consolidated statements of financial condition | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, 2025 | ​ | December 31, 2024
​ | ​ | Notional | ​ | Fair Value | ​ | Notional | ​ | Fair Value
(In thousands) |  | Amount |  | Assets |  | Amount | ​ | Assets
Derivatives designated as hedging instruments: |  | ​ |  |  | ​ |  |  | ​ |  | ​ | ​ |
Cash flow hedges - interest rate products |  | $ | 150,000 | ​ | $ | 6,591 |  | $ | 150,000 | ​ | $ | 8,318
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Derivatives not designated as hedging instruments: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest rate products | ​ | ​ | 1,644,759 | ​ | ​ | 92,149 |  | ​ | 1,665,949 | ​ | ​ | 108,178
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, 2025 | ​ | December 31, 2024
​ | ​ | Notional | ​ | Fair Value | ​ | Notional | ​ | Fair Value
(In thousands) |  | Amount |  | Liabilities |  | Amount | ​ | Liabilities
Derivatives designated as hedging instruments: |  | ​ |  |  | ​ |  |  | ​ |  | ​ | ​ |
Fair value hedges - interest rate products |  | $ | 500,000 | ​ | $ | 39 | ​ | $ | 500,000 | ​ | $ | —
Cash flow hedges - interest rate products | ​ | ​ | 400,000 | ​ | ​ | 313 | ​ | ​ | 350,000 | ​ | ​ | 159
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Derivatives not designated as hedging instruments: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest rate products | ​ | ​ | 1,644,759 | ​ | ​ | 92,149 | ​ | ​ | 1,665,949 | ​ | ​ | 108,178
Risk participations | ​ | ​ | 140,853 | ​ | ​ | 15 | ​ | ​ | 141,080 | ​ | ​ | 10
Schedule of fair value and cash flow hedge accounting on the consolidated statements of operations | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended March 31,
​ | ​ | 2025 | ​ | 2024
​ | ​ | Interest | ​ | Interest | ​ | Interest | ​ | Interest
(In thousands) | ​ | Income | ​ | Expense | ​ | Income | ​ | Expense
Effects of fair value or cash flow hedges are recorded | ​ | $ | (622) | ​ | $ | 1,840 | ​ | $ | 628 | ​ | ​ | 2,435
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
The effects of fair value and cash flow hedging: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Gain or (loss) on fair value hedging relationships | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest contracts: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Hedged items | ​ | ​ | (683) | ​ | ​ | — | ​ | ​ | (5,273) | ​ | ​ | —
Derivatives designated as hedging instruments | ​ | ​ | 61 | ​ | ​ | — | ​ | ​ | 5,901 | ​ | ​ | —
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Gain or (loss) on cash flow hedging relationships | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest contracts: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Loss reclassified from AOCI into income | ​ | ​ | — | ​ | ​ | 1,840 | ​ | ​ | — | ​ | ​ | 2,435
Schedule of cumulative basis adjustment for fair value hedges | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, 2025 | ​ | December 31, 2024
(In thousands) |  | Carrying Amount of the Hedged Assets | ​ | Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets | ​ | Carrying Amount of the Hedged Assets | ​ | Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets
Fixed Rate Loans |  | $ | 687,307 | ​ | $ | 1,933 |  | $ | 694,774 | ​ | $ | 2,615
Schedule of effect of cash flow hedge accounting on accumulated other comprehensive income (loss) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Three Months Ended | ​
​ | March 31, | ​
(In thousands) | 2025 |  | 2024 | ​
(Loss) gain recognized in other comprehensive income (loss) | $ | (7,567) | ​ | $ | 2,145 | ​
Loss reclassified from other comprehensive income into interest expense |  | (1,840) | ​ |  | (2,435) | ​
Not Designated as Hedging Instrument |
DERIVATIVES AND HEDGING ACTIVITIES |
Schedule of fair value of derivative financial instruments and classification on consolidated statements of financial condition | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, 2025
​ | ​ | ​ | ​ | Notional | ​ | Fair Value | ​ | Fair Value
(Dollars in thousands) |  | Count |  | Amount |  | Assets |  | Liabilities
Included in derivative assets/liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Loan level interest rate swaps with borrower |  | 48 | ​ | $ | 539,938 | ​ | $ | 9,396 | ​ | $ | —
Loan level interest rate swaps with borrower |  | 171 | ​ | ​ | 1,104,821 | ​ | ​ | — | ​ | ​ | 82,753
Loan level interest rate swaps with third-party counterparties |  | 48 | ​ |  | 539,938 | ​ |  | — | ​ |  | 9,396
Loan level interest rate swaps with third-party counterparties | ​ | 171 | ​ | ​ | 1,104,821 | ​ | ​ | 82,753 | ​ | ​ | —
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2024
​ | ​ | ​ | ​ | Notional | ​ | Fair Value | ​ | Fair Value
(Dollars in thousands) |  | Count |  | Amount |  | Assets |  | Liabilities
Included in derivative assets/liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Loan level interest rate swaps with borrower |  | 23 | ​ | $ | 321,745 | ​ | $ | 3,704 | ​ | $ | —
Loan level interest rate swaps with borrower |  | 202 | ​ |  | 1,344,204 | ​ |  | — | ​ |  | 104,474
Loan level interest rate swaps with third-party counterparties |  | 23 | ​ |  | 321,745 | ​ |  | — | ​ |  | 3,704
Loan level interest rate swaps with third-party counterparties | ​ | 202 | ​ | ​ | 1,344,204 | ​ | ​ | 104,474 | ​ | ​ | —
Schedule of loan level derivative income | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​
​ | ​ | March 31, | ​
(In thousands) | ​ | 2025 |  | 2024 | ​
Loan level derivative income | ​ | $ | 61 | ​ | $ | 406 | ​

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