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Fair Value of Financial Instruments (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2020
Notes Tables |
Fair Value Option, Disclosures [Table Text Block] | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Fair Value | ​ | Fair Value | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Measurements | ​ | Measurements | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | at March 31, |  | at December 31, |  | ​ | Three Months Ended
(In thousands) |  | 2020 |  | 2019 |  |  | March 31, 2020 | ​ | March 31, 2019
​ |  | ​ |  |  | ​ |  |  |  | ​ |  |  | ​ |
Mortgage-backed securities | ​ | $ | 738 | ​ | $ | 772 | ​ | ​ | $ | 3 | ​ | $ | 1
Other securities | ​ |  | 13,831 | ​ |  | 13,548 | ​ | ​ |  | 219 | ​ |  | 179
Borrowed funds | ​ |  | 45,126 | ​ |  | 44,384 | ​ | ​ |  | (2,351) | ​ |  | (1,210)
Net loss from fair value adjustments (1) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | $ | (2,129) | ​ | $ | (1,030)
(1) | The net loss from fair value adjustments presented in the above table does not include losses of $3.9 million and $1.1 million for the three months ended March 31, 2020 and 2019, respectively, from the change in the fair value of interest rate swaps.
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 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
​ |  | 2020 |  | 2019 |  | 2020 |  | 2019 |  | 2020 |  | 2019 |  | 2020 |  | 2019
​ |  | (In thousands)
Assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Securities available for sale | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Mortgage-backed Securities | ​ | $ | — | ​ | $ | — | ​ | $ | 489,556 | ​ | $ | 523,849 | ​ | $ | — | ​ | $ | — | ​ | $ | 489,556 | ​ | $ | 523,849
Other securities | ​ |  | 12,476 | ​ |  | 12,216 | ​ |  | 212,025 | ​ |  | 235,103 | ​ |  | 1,355 | ​ |  | 1,332 | ​ |  | 225,856 | ​ |  | 248,651
Interest rate swaps | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | 2,352 | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | 2,352
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total assets | ​ | $ | 12,476 | ​ | $ | 12,216 | ​ | $ | 701,581 | ​ | $ | 761,304 | ​ | $ | 1,355 | ​ | $ | 1,332 | ​ | $ | 715,412 | ​ | $ | 774,852
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Borrowings | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | 45,126 | ​ | $ | 44,384 | ​ | $ | 45,126 | ​ | $ | 44,384
Interest rate swaps | ​ |  | — | ​ |  | — | ​ |  | 70,611 | ​ |  | 19,653 | ​ |  | — | ​ |  | — | ​ |  | 70,611 | ​ |  | 19,653
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total liabilities | ​ | $ | — | ​ | $ | — | ​ | $ | 70,611 | ​ | $ | 19,653 | ​ | $ | 45,126 | ​ | $ | 44,384 | ​ | $ | 115,737 | ​ | $ | 64,037
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | For the three months ended
​ | ​ | March 31, 2020 | ​ | March 31, 2019
​ | ​ | Trust preferred | ​ | Junior subordinated | ​ | Trust preferred | ​ | Junior subordinated
​ |  | securities |  | debentures |  | securities |  | debentures
​ |  | (In thousands)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Beginning balance | ​ | $ | 1,332 | ​ | $ | 44,384 | ​ | $ | 1,256 | ​ | $ | 41,849
Net gain from fair value adjustment of financial assets (1) | ​ |  | 24 | ​ |  | — | ​ |  | 33 | ​ |  | —
Net loss from fair value adjustment of financial liabilities (1) | ​ |  | — | ​ |  | 2,351 | ​ |  | — | ​ |  | 1,210
Decrease in accrued interest receivable | ​ | ​ | (1) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
(Decrease) increase in accrued interest payable | ​ |  | — | ​ |  | (24) | ​ |  | — | ​ |  | 9
Change in unrealized gains included in other comprehensive income | ​ |  | — | ​ |  | (1,585) | ​ |  | — | ​ |  | (127)
Ending balance | ​ | $ | 1,355 | ​ | $ | 45,126 | ​ | $ | 1,289 | ​ | $ | 42,941
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Changes in unrealized gains held at period end | ​ | $ | — | ​ |  | 3,062 | ​ |  | — | ​ |  | 1,375
(1) | Totals in the table above are presented in the Consolidated Statement of Income under net loss from fair value adjustments.
Fair Value Measurements, Nonrecurring [Table Text Block] | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 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
​ |  | 2020 |  | 2019 |  | 2020 |  | 2019 |  | 2020 |  | 2019 |  | 2020 |  | 2019
​ |  | (In thousands)
Assets |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Non-accrual loans | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | 1,259 | ​ | $ | 1,081 | ​ | $ | 1,259 | ​ | $ | 1,081
Other real estate owned | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | 208 | ​ |  | 239 | ​ |  | 208 | ​ |  | 239
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total assets | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | 1,467 | ​ | $ | 1,320 | ​ | $ | 1,467 | ​ | $ | 1,320
Fair Value, by Balance Sheet Grouping [Table Text Block] | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | March 31, 2020
​ | ​ | Carrying | ​ | Fair | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Amount |  | Value |  | Level 1 |  | Level 2 |  | Level 3
​ |  | (In thousands)
Assets: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash and due from banks | ​ | $ | 157,184 | ​ | $ | 157,184 | ​ | $ | 157,184 | ​ | $ | — | ​ | $ | —
Securities held-to-maturity | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Mortgage-backed securities | ​ |  | 7,929 | ​ |  | 8,953 | ​ |  | — | ​ |  | 8,953 | ​ |  | —
Other securities | ​ |  | 50,225 | ​ |  | 51,938 | ​ |  | — | ​ |  | — | ​ |  | 51,938
Securities available for sale | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Mortgage-backed securities | ​ |  | 489,556 | ​ |  | 489,556 | ​ |  | — | ​ |  | 489,556 | ​ |  | —
Other securities | ​ |  | 225,856 | ​ |  | 225,856 | ​ |  | 12,476 | ​ |  | 212,025 | ​ |  | 1,355
Loans | ​ |  | 5,932,088 | ​ |  | 6,035,453 | ​ |  | — | ​ |  | — | ​ |  | 6,035,453
FHLB-NY stock | ​ |  | 74,000 | ​ |  | 74,000 | ​ |  | — | ​ |  | 74,000 | ​ |  | —
Accrued interest receivable | ​ |  | 25,526 | ​ |  | 25,527 | ​ |  | 2 | ​ |  | 2,254 | ​ |  | 23,271
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Deposits | ​ | $ | 4,901,486 | ​ | $ | 4,914,041 | ​ | $ | 3,729,105 | ​ | $ | 1,184,936 | ​ | $ | —
Borrowings | ​ |  | 1,617,582 | ​ |  | 1,624,010 | ​ |  | — | ​ |  | 1,578,884 | ​ |  | 45,126
Accrued interest payable | ​ |  | 7,492 | ​ |  | 7,492 | ​ |  | — | ​ |  | 7,492 | ​ |  | —
Interest rate swaps | ​ |  | 70,611 | ​ |  | 70,611 | ​ |  | — | ​ |  | 70,611 | ​ |  | —
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2019
​ | ​ | Carrying | ​ | Fair | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Amount |  | Value |  | Level 1 |  | Level 2 |  | Level 3
​ | ​ | (In thousands)
Assets: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash and due from banks | ​ | $ | 49,787 | ​ | $ | 49,787 | ​ | $ | 49,787 | ​ | $ | — | ​ | $ | —
Securities held-to-maturity | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Mortgage-backed securities | ​ |  | 7,934 | ​ |  | 8,114 | ​ |  | — | ​ |  | 8,114 | ​ |  | —
Other securities | ​ |  | 50,954 | ​ |  | 53,998 | ​ |  | — | ​ |  | — | ​ |  | 53,998
Securities available for sale | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Mortgage-backed securities | ​ |  | 523,849 | ​ |  | 523,849 | ​ |  | — | ​ |  | 523,849 | ​ |  | —
Other securities | ​ |  | 248,651 | ​ |  | 248,651 | ​ |  | 12,216 | ​ |  | 235,103 | ​ |  | 1,332
Loans | ​ |  | 5,772,206 | ​ |  | 5,822,124 | ​ |  | — | ​ |  | — | ​ |  | 5,822,124
FHLB-NY stock | ​ |  | 56,921 | ​ |  | 56,921 | ​ |  | — | ​ |  | 56,921 | ​ |  | —
Accrued interest receivable | ​ |  | 25,722 | ​ |  | 25,722 | ​ |  | 9 | ​ |  | 2,519 | ​ |  | 23,194
Interest rate swaps | ​ |  | 2,352 | ​ |  | 2,352 | ​ |  | — | ​ |  | 2,352 | ​ |  | —
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Deposits | ​ | $ | 5,066,424 | ​ | $ | 5,070,046 | ​ | $ | 3,628,534 | ​ | $ | 1,441,512 | ​ | $ | —
Borrowings | ​ |  | 1,237,231 | ​ |  | 1,389,883 | ​ |  | — | ​ |  | 1,345,499 | ​ |  | 44,384
Accrued interest payable | ​ |  | 6,752 | ​ |  | 6,752 | ​ |  | — | ​ |  | 6,752 | ​ |  | —
Interest rate swaps | ​ |  | 19,653 | ​ |  | 19,653 | ​ |  | — | ​ |  | 19,653 | ​ |  | —
Fair Value, Measurements, Nonrecurring [Member] |
Notes Tables |
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | March 31, 2020
​ |  | Fair Value |  | Valuation Technique |  | Unobservable Input |  | Range |  | Weighted Average
​ | ​ | (Dollars in thousands)
Assets: |  | ​ |  |  |  |  |  |  |  |  |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Non-accrual loans | ​ | $ | 169 |  | Sales approach |  | Adjustment to sales comparison value to reconcile differences between comparable sales |  | 0.0% | ​ | 0.0%
​ | ​ |  | ​ |  | ​ | ​ | Reduction for planned expedited disposal | ​ | 47.8% | ​ | 47.8%
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Non-accrual loans | ​ | $ | 818 |  | Discounted Cash flow |  | Discount Rate |  | 6.4% | ​ | 6.4%
​ | ​ | ​ | ​ | ​ | ​ | ​ | Probability of Default | ​ | 20.0% | ​ | 20.0%
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ |  | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​
Non-accrual loans | ​ | $ | 272 |  | Blended income and sales approach |  | Adjustment to sales comparison value to reconcile differences between comparable sales |  | (10.0) to 15.0% | ​ | 2.5%
​ | ​ | ​ | ​ | ​ | ​ |  | Capitalization rate |  | 9.5% | ​ | 9.5%
​ | ​ | ​ | ​ | ​ | ​ | ​ | Reduction for planned expedited disposal | ​ | 15.0% | ​ | 15.0%
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other real estate owned | ​ | ​ | 208 | ​ | Sales approach | ​ | Adjustment to sales comparison value to reconcile differences between comparable sales | ​ | 0.5% to 12.5% | ​ | 6.5%
​ | ​ | ​ | ​ | ​ | ​ | ​ | Reduction for planned expedited disposal | ​ | 0.0% | ​ | 0.0%
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | At December 31, 2019
​ |  | Fair Value |  | Valuation Technique |  | Unobservable Input |  | Range |  | Weighted Average
​ | ​ | (Dollars in thousands)
Assets: |  | ​ |  |  |  |  |  |  |  |  |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Impaired loans | ​ | $ | 809 |  | Discounted Cash flow |  | Discount Rate |  | 6.4% | ​ | 6.4%
​ | ​ |  | ​ |  | ​ | ​ | Probability of Default | ​ | 20.0% | ​ | 20.0%
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Impaired loans | ​ | $ | 272 |  | Blended income and sales approach |  | Adjustment to sales comparison value to reconcile differences between comparable sales |  | (10.0) to 15.0 | ​ | 2.5%
​ | ​ | ​ | ​ | ​ | ​ | ​ | Capitalization Rate | ​ | 9.5% | ​ | 9.5%
​ | ​ | ​ | ​ | ​ | ​ | ​ | Reduction for planned expedited disposal | ​ | 15.0% | ​ | 15.0%
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other real estate owned | ​ | $ | 239 |  | Sales approach |  | Reduction for planned expedited disposal |  | 0.5 to 12.5 | ​ | 6.5%
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Fair Value, Measurements, Recurring [Member] |
Notes Tables |
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, 2020 |
​ |  | Fair Value |  | Valuation Technique |  | Unobservable Input |  | Range |  | Weighted Average | ​
​ |  | ​ | (Dollars in thousands) | ​
Assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Trust preferred securities | ​ | $ | 1,355 |  | Discounted cash flows |  | Discount rate |  | n/a |  | 3.7 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ |  |  |  |  |  |  |  |  |  |  | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Junior subordinated debentures | ​ | $ | 45,126 |  | Discounted cash flows |  | Discount rate |  | n/a |  | 3.7 | %
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2019 |
​ |  | Fair Value |  | Valuation Technique |  | Unobservable Input |  | Range |  | Weighted Average |
​ |  | (Dollars in thousands) | ​
Assets: |  | ​ |  |  |  |  |  |  |  |  |  | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Trust preferred securities | ​ | $ | 1,332 |  | Discounted cash flows |  | Discount rate |  | n/a |  | 4.2 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ |  |  |  |  |  |  |  |  |  |  | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Junior subordinated debentures | ​ | $ | 44,384 |  | Discounted cash flows |  | Discount rate |  | n/a |  | 4.2 | %

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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