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DERIVATIVES AND HEDGING ACTIVITIES (Tables) | 9 Months Ended
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Sep. 30, 2025
DERIVATIVES AND HEDGING ACTIVITIES |
Schedule of fair value of derivative Instruments and location in statements of financials | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Location in |  | Fair Value
​ | ​ | Consolidated Statements | ​ | September 30, |  | December 31,
​ | ​ | of Financial Condition | ​ | 2025 | ​ | 2024
​ | ​ | ​ | ​ | (In Thousands)
Derivatives designated as hedging instruments | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Active interest rate swaps | ​ | Accrued expenses and other liabilities | ​ | $ | 6,640 | ​ | $ | 17,014
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total derivatives designated as hedging instruments | ​ | ​ | ​ | $ | 6,640 | ​ | $ | 17,014
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Derivatives not designated as hedging instruments | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Asset Derivatives |  | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest rate products |  | Prepaid expenses and other assets | ​ | $ | 5,797 | ​ | $ | 8,065
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total derivatives not designated as hedging instruments | ​ | ​ | ​ | $ | 5,797 | ​ | $ | 8,065
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liability Derivatives | ​ | ​ | ​ |  | ​ | ​ | ​ | ​
Interest rate products | ​ | Accrued expenses and other liabilities | ​ | $ | 5,772 | ​ | $ | 7,986
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total derivatives not designated as hedging instruments | ​ | ​ | ​ | $ | 5,772 | ​ | $ | 7,986
Schedule of effect of cash flow hedge accounting through accumulated other comprehensive income on statements of comprehensive income | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Amount of Gain (Loss)
​ | ​ | Recognized in AOCI
​ | ​ | Three Months Ended September 30,
Cash Flow Hedges |  | 2025 |  | 2024
​ |  | (In Thousands)
Terminated interest rate swap, net of income taxes | ​ | $ | (1,580) | ​ | $ | (1,580)
Active interest rate swaps, net of income taxes | ​ | ​ | 970 | ​ | ​ | 9,571
​ | ​ | $ | (610) | ​ | $ | 7,991
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Amount of Gain (Loss)
​ | ​ | Recognized in AOCI
​ | ​ | Nine Months Ended September 30,
Cash Flow Hedges |  | 2025 |  | 2024
​ |  | (In Thousands)
Terminated interest rate swap, net of income taxes | ​ | $ | (4,688) | ​ | $ | (4,706)
Active interest rate swaps, net of income taxes | ​ | ​ | 7,823 | ​ | ​ | 6,595
​ | ​ | $ | 3,135 | ​ | $ | 1,889
​
Schedule of effect of cash flow hedge accounting on statements of operations | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30,
Cash Flow Hedges |  | 2025 |  | 2024
​ |  | Interest |  | Interest |  | Interest |  | Interest
​ |  | Income |  | Expense |  | Income |  | Expense
​ |  | (In Thousands)
Total Interest Income | ​ | $ | 79,079 | ​ | $ | — | ​ | $ | 83,796 | ​ | $ | —
Total Interest Expense | ​ | ​ | — | ​ | ​ | 28,306 | ​ | ​ | — | ​ | ​ | 35,821
​ | ​ | $ | 79,079 | ​ | $ | 28,306 | ​ | $ | 83,796 | ​ | $ | 35,821
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Terminated interest rate swap | ​ | $ | 2,047 | ​ | $ | — | ​ | $ | 2,047 | ​ | $ | —
Active interest rate swaps | ​ | ​ | (1,761) | ​ | ​ | — | ​ | ​ | (2,743) | ​ | ​ | —
​ | ​ | $ | 286 | ​ | $ | — | ​ | $ | (696) | ​ | $ | —
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Nine Months Ended September 30,
Cash Flow Hedges | ​ | 2025 | ​ | 2024
​ | ​ | Interest | ​ | Interest | ​ | Interest | ​ | Interest
​ |  | Income |  | Expense |  | Income |  | Expense
​ | ​ | (In Thousands)
Total Interest Income | ​ | $ | 240,297 | ​ | $ | — | ​ | $ | 242,113 | ​ | $ | —
Total Interest Expense | ​ | ​ | — | ​ | ​ | 89,227 | ​ | ​ | — | ​ | ​ | 102,504
​ | ​ | $ | 240,297 | ​ | $ | 89,227 | ​ | $ | 242,113 | ​ | $ | 102,504
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Terminated interest rate swap | ​ | $ | 6,075 | ​ | $ | — | ​ | $ | 6,120 | ​ | $ | —
Active interest rate swaps | ​ | ​ | (5,260) | ​ | ​ | — | ​ | ​ | (10,165) | ​ | ​ | —
​ | ​ | $ | 815 | ​ | $ | — | ​ | $ | (4,045) | ​ | $ | —
​

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- Definition Tabular disclosure of gain (loss) on derivative and nonderivative instruments designated and qualifying as cash flow hedge recorded in accumulated other comprehensive income (AOCI) and reclassified into earnings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4C -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A + Details
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