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Accumulated Other Comprehensive Loss (Tables) | 9 Months Ended
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Sep. 30, 2021
Accumulated Other Comprehensive Loss |
Schedule of accumulated other comprehensive loss, net of tax | The following table presents the changes in each component of accumulated other comprehensive loss, net of tax, for the three and nine months ended September 30, 2021 and 2020 (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended September 30, 2021 | ​ | Three months ended September 30, 2020
​ |  | Net |  | ​ | ​ |  | ​ | ​ |  | Net |  | ​ | ​ |  | ​ | ​
​ | ​ | Unrealized | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Unrealized | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Gains and | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Gains and | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Losses on | ​ | Defined | ​ | ​ | ​ | ​ | Losses on | ​ | Defined | ​ | ​ | ​
​ | ​ | Investment | ​ | Benefit | ​ | ​ | ​ | ​ | Investment | ​ | Benefit | ​ | ​ | ​
​ | ​ | Securities | ​ | Pension | ​ | ​ | ​ | ​ | Securities | ​ | Pension | ​ | ​ | ​
​ | ​ | AFS(1) | ​ | Items(1) | ​ | Total(1) | ​ | AFS(1) | ​ | Items(1) | ​ | Total(1)
Beginning balance | ​ | $ | 2,863 | ​ | $ | (12,180) | ​ | $ | (9,317) | ​ | $ | 3,398 | ​ | $ | (17,469) | ​ | $ | (14,071)
Other comprehensive income (loss) before reclassifications | ​ |  | (466) | ​ |  | 1,219 | ​ |  | 753 | ​ |  | 113 | ​ |  | (483) | ​ |  | (370)
Amounts reclassified from accumulated other comprehensive loss | ​ |  | — | ​ |  | 694 | ​ |  | 694 | ​ |  | — | ​ |  | 483 | ​ |  | 483
Net current period other comprehensive income (loss) | ​ |  | (466) | ​ |  | 1,913 | ​ |  | 1,447 | ​ |  | 113 | ​ |  | — | ​ |  | 113
Ending balance | ​ | $ | 2,397 | ​ | $ | (10,267) | ​ | $ | (7,870) | ​ | $ | 3,511 | ​ | $ | (17,469) | ​ | $ | (13,958)
(1) | Amounts in parentheses indicate debits on the Consolidated Balance Sheets.
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Nine months ended September 30, 2021 | ​ | Nine months ended September 30, 2020 | ​
​ |  | Net |  | ​ | ​ |  | ​ | ​ |  | Net |  | ​ | ​ |  | ​ | ​ |
​ | ​ | Unrealized | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Unrealized | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Gains and | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Gains and | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Losses on | ​ | Defined | ​ | ​ | ​ | ​ | Losses on | ​ | Defined | ​ | ​ | ​ | ​
​ | ​ | Investment | ​ | Benefit | ​ | ​ | ​ | ​ | Investment | ​ | Benefit | ​ | ​ | ​ | ​
​ | ​ | Securities | ​ | Pension | ​ | ​ | ​ | ​ | Securities | ​ | Pension | ​ | ​ | ​ | ​
​ | ​ | AFS(1) | ​ | Items(1) | ​ | Total(1) | ​ | AFS(1) | ​ | Items(1) | ​ | Total(1) | ​
Beginning balance | ​ | $ | 3,539 | ​ | $ | (16,737) | ​ | $ | (13,198) | ​ | $ | 1,715 | ​ | $ | (17,886) | ​ | $ | (16,171) | ​
Other comprehensive income (loss) before reclassifications | ​ |  | (1,076) | ​ |  | 4,140 | ​ |  | 3,064 | ​ |  | 1,796 | ​ |  | (1,031) | ​ |  | 765 | ​
Amounts reclassified from accumulated other comprehensive loss | ​ |  | (66) | ​ |  | 2,330 | ​ |  | 2,264 | ​ |  | — | ​ |  | 1,448 | ​ |  | 1,448 | ​
Net current period other comprehensive income (loss) | ​ |  | (1,142) | ​ |  | 6,470 | ​ |  | 5,328 | ​ |  | 1,796 | ​ |  | 417 | ​ |  | 2,213 | ​
Ending balance | ​ | $ | 2,397 | ​ | $ | (10,267) | ​ | $ | (7,870) | ​ | $ | 3,511 | ​ | $ | (17,469) | ​ | $ | (13,958) | ​
(1) | Amounts in parentheses indicate debits on the Consolidated Balance Sheets.
​
Schedule of reclassification out of accumulated other comprehensive loss | The following table presents the amounts reclassified out of each component of accumulated other comprehensive loss for the three and nine months ended September 30, 2021 and 2020 (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Amount reclassified from accumulated | ​ | ​
​ | ​ | other comprehensive loss(1) | ​ | ​
​ | ​ | For the three | ​ | For the three | ​ | ​
Details about accumulated other | ​ | months ended | ​ | months ended | ​ | Affected line item in the
comprehensive loss components |  | September 30, 2021 |  | September 30, 2020 |  | statement of operations
Amortization of estimated defined benefit pension plan loss(2) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | $ | 879 | ​ | $ | 611 |  | Other expense
​ | ​ |  | (185) | ​ |  | (128) |  | Provision for income taxes
​ | ​ | $ | 694 | ​ | $ | 483 |  | ​
Total reclassifications for the period | ​ | $ | 694 | ​ | $ | 483 |  | ​
(1) Amounts in parentheses indicate credits. (2) These accumulated other comprehensive loss components are included in the computation of net periodic benefit cost (see Note 18 for additional details). ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Amount reclassified from accumulated | ​ | ​ | ​
​ | ​ | other comprehensive loss(1) | ​ | ​ | ​
​ | ​ | For the nine | ​ | For the nine | ​ | ​ | ​
Details about accumulated other | ​ | months ended | ​ | months ended | ​ | Affected line item in the | ​
comprehensive loss components |  | September 30, 2021 |  | September 30, 2020 |  | statement of operations |
Realized gains on sale of securities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | $ | (84) | ​ | $ | — | ​ | Net realized gains on investment securities | ​
​ | ​ | ​ | 18 | ​ | ​ | — | ​ | Provision for income taxes | ​
​ | ​ | $ | (66) | ​ | $ | — |  | ​ | ​
Amortization of estimated defined benefit pension plan loss(2) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | $ | 2,949 | ​ | $ | 1,833 |  | Other expense | ​
​ | ​ |  | (619) | ​ |  | (385) |  | Provision for income taxes | ​
​ | ​ | $ | 2,330 | ​ | $ | 1,448 |  | ​ | ​
Total reclassifications for the period | ​ | $ | 2,264 | ​ | $ | 1,448 |  | ​ | ​
(1) Amounts in parentheses indicate credits. (2) These accumulated other comprehensive loss components are included in the computation of net periodic benefit cost (see Note 18 for additional details).

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