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DERIVATIVES AND HEDGING ACTIVITIES (Tables) | 9 Months Ended
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Sep. 30, 2024
DERIVATIVES AND HEDGING ACTIVITIES |
Schedule of fair value of derivative financial instruments and classification on consolidated statements of financial condition | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2024 | ​ | December 31, 2023
​ | ​ | 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 | ​ | $ | 8,061 |  | $ | 150,000 | ​ | $ | 12,492
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Derivatives not designated as hedging instruments | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest rate products | ​ | ​ | 1,672,995 | ​ | ​ | 97,575 |  | ​ | 1,682,961 | ​ | ​ | 114,671
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2024 | ​ | December 31, 2023
​ | ​ | 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 | ​ | $ | 115 | ​ | $ | 500,000 | ​ | $ | 6,594
Cash flow hedges - interest rate products | ​ | ​ | 350,000 | ​ | ​ | 418 | ​ | ​ | 200,000 | ​ | ​ | 5,031
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Derivatives not designated as hedging instruments: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest rate products | ​ | ​ | 1,672,995 | ​ | ​ | 97,575 | ​ | ​ | 1,682,961 | ​ | ​ | 114,671
Schedule of fair value and cash flow hedge accounting on the consolidated statements of operations | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30,
​ | ​ | 2024 | ​ | 2023
​ | ​ | Interest | ​ | Interest | ​ | Interest | ​ | Interest
(In thousands) | ​ | Income | ​ | Expense | ​ | Income | ​ | Expense
Effects of fair value or cash flow hedges are recorded | ​ | $ | 600 | ​ | $ | 2,752 | ​ | $ | — | ​ | ​ | 293
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
The effects of fair value and cash flow hedging: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Gain or (loss) on fair value hedging relationships | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest contracts: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Hedged items | ​ | ​ | 5,317 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Derivatives designated as hedging instruments | ​ | ​ | (4,717) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Gain or (loss) on cash flow hedging relationships | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest contracts: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Loss reclassified from AOCI into income | ​ | ​ | — | ​ | ​ | 2,752 | ​ | ​ | — | ​ | ​ | 293
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Nine Months Ended September 30,
​ | ​ | 2024 | ​ | 2023
​ | ​ | Interest | ​ | Interest | ​ | Interest | ​ | Interest
​ | ​ | Income | ​ | Expense | ​ | Income | ​ | Expense
Effects of fair value or cash flow hedges are recorded | ​ | $ | 1,862 | ​ | $ | 7,707 | ​ | $ | — | ​ | ​ | 279
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
The effects of fair value and cash flow hedging: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Gain or (loss) on fair value hedging relationships | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest contracts: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Hedged items | ​ | ​ | (934) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Derivatives designated as hedging instruments | ​ | ​ | 2,796 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Gain or (loss) on cash flow hedging relationships | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest contracts: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Loss reclassified from AOCI into income | ​ | ​ | — | ​ | ​ | 7,707 | ​ | ​ | — | ​ | ​ | 279
Schedule of cumulative basis adjustment for fair value hedges | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2024 | ​ | December 31, 2023
(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 |  | $ | 706,180 | ​ | $ | 5,657 |  | $ | 736,098 | ​ | $ | 6,591
Schedule of effect of cash flow hedge accounting on accumulated other comprehensive income (loss) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | September 30, | ​ | September 30,
(In thousands) |  | 2024 |  | 2023 | ​ | 2024 |  | 2023
Loss recognized in other comprehensive income (loss) | ​ | $ | (14,500) | ​ | $ | (246) | ​ | $ | (15,483) | ​ | $ | (771)
Loss reclassified from other comprehensive income into interest expense | ​ |  | (2,752) | ​ |  | (293) | ​ |  | (7,707) | ​ |  | (279)
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 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 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 |  | 57 | ​ | $ | 622,834 | ​ | $ | 21,325 | ​ | $ | —
Loan level interest rate swaps with borrower |  | 172 | ​ | ​ | 1,050,161 | ​ | ​ | — | ​ | ​ | 76,250
Loan level interest rate swaps with third-party counterparties |  | 57 | ​ |  | 622,834 | ​ |  | — | ​ |  | 21,325
Loan level interest rate swaps with third-party counterparties | ​ | 172 | ​ | ​ | 1,050,161 | ​ | ​ | 76,250 | ​ | ​ | —
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2023
​ | ​ | ​ | ​ | Notional | ​ | Fair Value | ​ | Fair Value
(Dollars in thousands) |  | Count |  | Amount |  | Assets |  | Liabilities
Included in derivative assets/liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Loan level interest rate swaps with borrower |  | 49 | ​ | $ | 491,394 | ​ | $ | 10,985 | ​ | $ | —
Loan level interest rate swaps with borrower |  | 178 | ​ |  | 1,121,085 | ​ |  | — | ​ |  | 103,570
Loan level interest rate floors with borrower | ​ | 2 | ​ | ​ | 29,721 | ​ | ​ | — | ​ | ​ | —
Loan level interest rate floors with borrower | ​ | 7 | ​ | ​ | 40,761 | ​ | ​ | — | ​ | ​ | 116
Loan level interest rate swaps with third-party counterparties |  | 49 | ​ |  | 491,394 | ​ |  | — | ​ |  | 10,985
Loan level interest rate swaps with third-party counterparties | ​ | 178 | ​ | ​ | 1,121,085 | ​ | ​ | 103,570 | ​ | ​ | —
Loan level interest rate floors with third-party counterparties |  | 2 | ​ |  | 29,721 | ​ |  | — | ​ |  | —
Loan level interest rate floors with third-party counterparties | ​ | 7 | ​ | ​ | 40,761 | ​ | ​ | 116 | ​ | ​ | —
Schedule of loan level derivative income | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | September 30, | ​ | September 30,
(In thousands) |  | 2024 |  | 2023 | ​ | 2024 |  | 2023
Loan level derivative income | ​ | $ | 132 | ​ | $ | 783 | ​ | $ | 1,623 | ​ | $ | 6,353

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