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Fair Value of Financial Instruments (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Notes Tables |
Schedule of financial assets and financial liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Changes in Fair Values For Items Measured at Fair Value
​ | ​ | Fair Value | ​ | Fair Value | ​ | Pursuant to Election of the Fair Value Option
​ |  | Measurements at |  | Measurements at | ​ | For the year ended December 31,
Description |  | December 31, 2023 |  | December 31, 2022 |  | 2023 |  | 2022 |  | 2021
(In thousands) |  | ​ |  |  | ​ |  | ​ | ​ |  |  | ​ |  |  | ​ |
Mortgage-backed securities | ​ | $ | 262 | ​ | $ | 295 | ​ | $ | 6 | ​ | $ | (27) | ​ | $ | (5)
Other securities | ​ |  | 13,097 | ​ |  | 12,728 | ​ |  | 81 | ​ |  | (1,639) | ​ |  | 36
Borrowed funds | ​ |  | 47,850 | ​ |  | 50,507 | ​ |  | 2,486 | ​ |  | 7,394 | ​ |  | (14,004)
Net gain (loss) from fair value adjustments (1) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | $ | 2,573 | ​ | $ | 5,728 | ​ | $ | (13,973)
Schedule of assets and liabilities that are carried at fair value on recurring basis | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Quoted Prices | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | in Active Markets | ​ | Significant Other | ​ | Significant Other | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | for Identical Assets | ​ | Observable Inputs | ​ | Unobservable Inputs | ​ | Total carried at fair value
​ | ​ | (Level 1) | ​ | (Level 2) | ​ | (Level 3) | ​ | on a recurring basis
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022 |  | 2023 |  | 2022 |  | 2023 |  | 2022
Assets: |  | (In thousands)
Securities available for sale: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Mortgage-backed securities | ​ | $ | — | ​ | $ | — | ​ | $ | 354,344 | ​ | $ | 384,283 | ​ | $ | — | ​ | $ | — | ​ | $ | 354,344 | ​ | $ | 384,283
Other securities | ​ |  | 11,660 | ​ |  | 11,211 | ​ |  | 507,312 | ​ |  | 338,347 | ​ |  | 1,437 | ​ |  | 1,516 | ​ |  | 520,409 | ​ |  | 351,074
Interest rate swaps | ​ |  | — | ​ |  | — | ​ |  | 69,013 | ​ |  | 74,586 | ​ |  | — | ​ |  | — | ​ |  | 69,013 | ​ |  | 74,586
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total assets | ​ | $ | 11,660 | ​ | $ | 11,211 | ​ | $ | 930,669 | ​ | $ | 797,216 | ​ | $ | 1,437 | ​ | $ | 1,516 | ​ | $ | 943,766 | ​ | $ | 809,943
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Borrowings | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | 47,850 | ​ | $ | 50,507 | ​ | $ | 47,850 | ​ | $ | 50,507
Interest rate swaps | ​ |  | — | ​ |  | — | ​ |  | 28,401 | ​ |  | 18,407 | ​ |  | — | ​ |  | — | ​ |  | 28,401 | ​ |  | 18,407
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total liabilities | ​ | $ | — | ​ | $ | — | ​ | $ | 28,401 | ​ | $ | 18,407 | ​ | $ | 47,850 | ​ | $ | 50,507 | ​ | $ | 76,251 | ​ | $ | 68,914
Schedule of assets and liabilities that are carried at fair value on a recurring basis, classified within Level 3 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | For the year ended
​ | ​ | December 31, 2023 | ​ | December 31, 2022
​ | ​ | Trust preferred | ​ | Junior subordinated | ​ | Trust preferred | ​ | Junior subordinated
​ |  | securities |  | debentures |  | securities |  | debentures
​ |  | (In thousands)
Beginning balance | ​ | $ | 1,516 | ​ | $ | 50,507 | ​ | $ | 1,695 | ​ | $ | 56,472
Net gain (loss) from fair value adjustment of financial assets (1) | ​ |  | (81) | ​ |  | — | ​ |  | (187) | ​ |  | —
Net (gain) loss from fair value adjustment of financial liabilities (1) | ​ |  | — | ​ |  | (2,486) | ​ |  | — | ​ |  | (7,393)
Increase (decrease) in accrued interest | ​ |  | 2 | ​ |  | 68 | ​ |  | 8 | ​ |  | 280
Change in unrealized (gains) losses included in other comprehensive loss | ​ |  | — | ​ |  | (239) | ​ |  | — | ​ |  | 1,148
Ending balance | ​ | $ | 1,437 | ​ | $ | 47,850 | ​ | $ | 1,516 | ​ | $ | 50,507
Changes in unrealized gains (losses) held at period end | ​ | $ | — | ​ | $ | 2,425 | ​ | $ | — | ​ | $ | 2,186
(1) | Presented in the Consolidated Statement of Income under Net loss from fair value adjustments.
Schedule of assets and liabilities that are carried at fair value on non-recurring basis | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Quoted Prices |  | ​ | ​ | ​ | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
​ | ​ | in Active Markets | ​ | Significant Other | ​ | Significant Other | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | for Identical Assets | ​ | Observable Inputs | ​ | Unobservable Inputs | ​ | Total carried at fair value
​ | ​ | (Level 1) | ​ | (Level 2) | ​ | (Level 3) | ​ | on a non-recurring basis
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022 |  | 2023 |  | 2022 |  | 2023 |  | 2022
​ |  | (In thousands)
Assets: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Certain delinquent loans | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | 5,279 | ​ | $ | 18,330 | ​ | $ | 5,279 | ​ | $ | 18,330
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total assets | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | 5,279 | ​ | $ | 18,330 | ​ | $ | 5,279 | ​ | $ | 18,330
Schedule of carrying amounts and estimated fair values of selected financial instruments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2023
​ | ​ | Carrying | ​ | Fair | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Amount |  | Value |  | Level 1 |  | Level 2 |  | Level 3
​ |  | (In thousands)
Assets: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash and due from banks | ​ | $ | 172,157 | ​ | $ | 172,157 | ​ | $ | 172,157 | ​ | $ | — | ​ | $ | —
Securities held-to-maturity | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Mortgage-backed securities | ​ |  | 7,855 | ​ |  | 7,058 | ​ |  | — | ​ |  | 7,058 | ​ |  | —
Other securities | ​ |  | 65,068 | ​ |  | 58,697 | ​ |  | — | ​ |  | — | ​ |  | 58,697
Securities available for sale | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Mortgage-backed securities | ​ |  | 354,344 | ​ |  | 354,344 | ​ |  | — | ​ |  | 354,344 | ​ |  | —
Other securities | ​ |  | 520,409 | ​ |  | 520,409 | ​ |  | 11,660 | ​ |  | 507,312 | ​ |  | 1,437
Loans | ​ |  | 6,906,950 | ​ |  | 6,512,841 | ​ |  | — | ​ |  | — | ​ |  | 6,512,841
FHLB-NY stock | ​ |  | 31,066 | ​ |  | 31,066 | ​ |  | — | ​ |  | 31,066 | ​ |  | —
Accrued interest receivable | ​ |  | 59,018 | ​ |  | 59,018 | ​ |  | — | ​ |  | 59,018 | ​ |  | —
Interest rate swaps | ​ |  | 69,013 | ​ |  | 69,013 | ​ |  | — | ​ |  | 69,013 | ​ |  | —
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Deposits | ​ | $ | 6,815,261 | ​ | $ | 6,778,657 | ​ | $ | 4,503,971 | ​ | $ | 2,274,686 | ​ | $ | —
Borrowed Funds | ​ |  | 841,281 | ​ |  | 801,156 | ​ |  | — | ​ |  | 753,306 | ​ |  | 47,850
Accrued interest payable | ​ |  | 12,111 | ​ |  | 12,111 | ​ |  | — | ​ |  | 12,111 | ​ |  | —
Interest rate swaps | ​ |  | 28,401 | ​ |  | 28,401 | ​ |  | — | ​ |  | 28,401 | ​ |  | —
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2022
​ | ​ | Carrying | ​ | Fair | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Amount |  | Value |  | Level 1 |  | Level 2 |  | Level 3
​ | ​ | (In thousands)
Assets: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash and due from banks | ​ | $ | 151,754 | ​ | $ | 151,754 | ​ | $ | 151,754 | ​ | $ | — | ​ | $ | —
Securities held-to-maturity | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Mortgage-backed securities | ​ |  | 7,875 | ​ |  | 6,989 | ​ |  | — | ​ |  | 6,989 | ​ |  | —
Other securities | ​ |  | 65,836 | ​ |  | 55,561 | ​ |  | — | ​ |  | — | ​ |  | 55,561
Securities available for sale | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Mortgage-backed securities | ​ |  | 384,283 | ​ |  | 384,283 | ​ |  | — | ​ |  | 384,283 | ​ |  | —
Other securities | ​ |  | 351,074 | ​ |  | 351,074 | ​ |  | 11,211 | ​ |  | 338,347 | ​ |  | 1,516
Loans | ​ |  | 6,934,769 | ​ |  | 6,651,795 | ​ |  | — | ​ |  | — | ​ |  | 6,651,795
FHLB-NY stock | ​ |  | 45,842 | ​ |  | 45,842 | ​ |  | — | ​ |  | 45,842 | ​ |  | —
Accrued interest receivable | ​ |  | 45,048 | ​ |  | 45,048 | ​ |  | — | ​ |  | 45,048 | ​ |  | —
Interest rate swaps | ​ |  | 74,856 | ​ |  | 74,856 | ​ |  | — | ​ |  | 74,856 | ​ |  | —
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Deposits | ​ | $ | 6,485,342 | ​ | $ | 6,453,978 | ​ | $ | 4,959,004 | ​ | $ | 1,494,974 | ​ | $ | —
Borrowed Funds | ​ |  | 1,052,973 | ​ |  | 1,027,370 | ​ |  | — | ​ |  | 976,863 | ​ |  | 50,507
Accrued interest payable | ​ |  | 10,034 | ​ |  | 10,034 | ​ |  | — | ​ |  | 10,034 | ​ |  | —
Interest rate swaps | ​ |  | 18,407 | ​ |  | 18,407 | ​ |  | — | ​ |  | 18,407 | ​ |  | —
​
Fair Value, Measurements, Nonrecurring [Member] |
Notes Tables |
Schedule of quantitative information about Level 3 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | At December 31, 2023 |
​ |  | Fair Value |  | Valuation Technique |  | Unobservable Input |  | Range |  | Weighted Average |
​ | ​ | (Dollars in thousands) |
Assets: |  | ​ |  |  |  |  |  |  |  |  |  | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Certain delinquent loans | ​ | $ | 1,105 |  | Sales approach |  | Adjustment to sales comparison value | ​ | -16.9% to -6.0 | % | -11.5 | %
​ | ​ |  | ​ |  | ​ | ​ | Reduction for planned expedited disposal | ​ | n/a | ​ | 15.0 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Certain delinquent loans | ​ | $ | 4,174 |  | Discounted Cash flow |  | Discount Rate |  | 4.3% to 13.5 | % | 12.7 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | Probability of Default | ​ | 30.0% to 46.0 | % | 33.5 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | At December 31, 2022 |
​ |  | Fair Value |  | Valuation Technique |  | Unobservable Input |  | Range |  | Weighted Average |
​ | ​ | (Dollars in thousands) |
Assets: |  | ​ |  |  |  |  |  |  |  |  |  | ​
​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Certain delinquent loans |  | $ | 18,189 | ​ | Sales approach | ​ | Adjustment to sales comparison value | ​ | -20.0% to 0.0 | % | -1.3 | %
​ |  | ​ | ​ | ​ | ​ | ​ | Reduction for planned expedited disposal | ​ | 10.0% to 15.0 | % | 13.6 | %
​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Certain delinquent loans |  | $ | 141 | ​ | Discounted Cash flow | ​ | Discount Rate | ​ | n/a | ​ | 4.3 | %
​ |  | ​ | ​ | ​ | ​ | ​ | Probability of Default | ​ | n/a | ​ | 35.0 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Fair Value, Measurements, Recurring [Member] |
Notes Tables |
Schedule of quantitative information about Level 3 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2023 |
​ |  | Fair Value |  | Valuation Technique |  | Unobservable Input |  | Range |  | Weighted Average | ​
​ |  | ​ | (Dollars in thousands) | ​
Assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Trust preferred securities | ​ | $ | 1,437 |  | Discounted cash flows |  | Spread over 3-month SOFR |  | 4.4 | % | n/a | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ |  |  |  |  |  |  |  |  | ​ |  | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Junior subordinated debentures | ​ | $ | 47,850 |  | Discounted cash flows |  | Spread over 3-month SOFR |  | 4.4 | % | n/a | ​
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2022 |
​ |  | Fair Value |  | Valuation Technique |  | Unobservable Input |  | Range |  | Weighted Average |
​ |  | (Dollars in thousands) | ​
Assets: |  | ​ |  |  |  |  |  |  |  |  |  | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Trust preferred securities | ​ | $ | 1,516 |  | Discounted cash flows |  | Spread over 3-month Libor |  | 3.6 | % | n/a | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ |  |  |  |  |  |  |  |  | ​ |  | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Junior subordinated debentures | ​ | $ | 50,507 |  | Discounted cash flows |  | Spread over 3-month Libor |  | 3.6 | % | n/a | ​

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