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Accumulated Other Comprehensive Income (Loss) (Tables) | 3 Months Ended
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Mar. 31, 2021
Notes Tables |
Schedule of changes in accumulated other comprehensive income (loss) by component | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | For the three months ended March 31, 2021
​ |  | Unrealized Gains |  | Unrealized Gains | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | (Losses) on |  | (Losses) on | ​ | ​ | ​ |  | Fair Value | ​ | ​ | ​
​ |  | Available for Sale |  | Cash flow |  | Defined Benefit |  | Option Elected | ​ | ​ | ​
​ |  | Securities |  | Hedges |  | Pension Items |  | on Liabilities |  | Total
​ |  | (In thousands)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Beginning balance, net of tax | ​ | $ | 1,290 | ​ | $ | (17,521) | ​ | $ | (1,884) | ​ | $ | 1,849 | ​ | $ | (16,266)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other comprehensive income before reclassifications, net of tax | ​ |  | (2,217) | ​ |  | 5,973 | ​ |  | — | ​ |  | (84) | ​ |  | 3,672
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Amounts reclassified from accumulated other comprehensive income, net of tax | ​ |  | — | ​ |  | 1,825 | ​ |  | 66 | ​ |  | — | ​ |  | 1,891
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net current period other comprehensive income, net of tax | ​ |  | (2,217) | ​ |  | 7,798 | ​ |  | 66 | ​ |  | (84) | ​ |  | 5,563
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Ending balance, net of tax | ​ | $ | (927) | ​ | $ | (9,723) | ​ | $ | (1,818) | ​ | $ | 1,765 | ​ | $ | (10,703)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | For the three months ended March 31, 2020
​ |  | Unrealized Gains |  | Unrealized Gains | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | (Losses) on |  | (Losses) on | ​ | ​ | ​ |  | Fair Value | ​ | ​ | ​
​ |  | Available for Sale |  | Cash flow |  | Defined Benefit |  | Option Elected | ​ | ​ | ​
​ |  | Securities |  | Hedges |  | Pension Items |  | on Liabilities |  | Total
​ |  | (In thousands)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Beginning balance, net of tax | ​ | $ | (3,982) | ​ | $ | (5,863) | ​ | $ | (983) | ​ | $ | 1,021 | ​ | $ | (9,807)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other comprehensive income before reclassifications, net of tax | ​ |  | (10,202) | ​ |  | (13,748) | ​ |  | — | ​ |  | 1,096 | ​ |  | (22,854)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Amounts reclassified from accumulated other comprehensive income, net of tax | ​ |  | 25 | ​ |  | 143 | ​ |  | 53 | ​ |  | — | ​ |  | 221
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net current period other comprehensive income (loss), net of tax | ​ |  | (10,177) | ​ |  | (13,605) | ​ |  | 53 | ​ |  | 1,096 | ​ |  | (22,633)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Ending balance, net of tax | ​ | $ | (14,159) | ​ | $ | (19,468) | ​ | $ | (930) | ​ | $ | 2,117 | ​ | $ | (32,440)
​ ​
Schedule of amounts reclassified from accumulated other comprehensive income (loss) by component | ​
​ | ​ | ​ | ​ | ​ | ​
For the three months ended March 31, 2021
​ |  | Amounts Reclassified from | ​ | ​
Details about Accumulated Other |  | Accumulated Other | ​ | Affected Line Item in the Statement
Comprehensive Loss Components |  | Comprehensive Loss |  | Where Net Income is Presented
(In thousands)
Cash flow hedges: | ​ |  |  | ​ |
Interest rate swaps | ​ | $ | (2,637) | ​ | Other interest expense
​ | ​ |  | 812 | ​ | Provision for income taxes
​ | ​ | $ | (1,825) | ​ | Net of tax
Amortization of defined benefit pension items: | ​ |  |  | ​ |
Actuarial losses | ​ | $ | (117) | (1) | Other operating expense
Prior service credits | ​ |  | 21 | (1) | Other operating expense
​ | ​ |  | (96) | ​ | Total before tax
​ | ​ |  | 30 | ​ | Provision for income taxes
​ | ​ | $ | (66) | ​ | Net of tax
​
​ | ​ | ​ | ​ | ​ | ​
For the three months ended March 31, 2020
​ |  | Amounts Reclassified from | ​ | ​
Details about Accumulated Other |  | Accumulated Other |  | Affected Line Item in the Statement
Comprehensive Loss Components |  | Comprehensive Loss | ​ | Where Net Income is Presented
(In thousands)
​ | ​ | ​ | ​ | ​ | ​
Unrealized losses on available for sale securities | ​ | $ | (37) | ​ | Net loss on sale of securities
​ | ​ |  | 12 | ​ | Provision for income taxes
​ | ​ | $ | (25) | ​ | Net of tax
​ | ​ | ​ | ​ | ​ |
Cash flow hedges: |  | ​ |  | ​ | ​
Interest rate swaps | ​ | $ | (208) | ​ | Other interest expense
​ | ​ |  | 65 | ​ | Provision for income taxes
​ | ​ | $ | (143) | ​ | Net of tax
​ | ​ | ​ | ​ | ​ | ​
Amortization of defined benefit pension items: | ​ |  |  | ​ | ​
Actuarial losses | ​ | $ | (97) | (1) | Other operating expense
Prior service credits | ​ |  | 20 | (1) | Other operating expense
​ | ​ |  | (77) | ​ | Total before tax
​ | ​ |  | 24 | ​ | Provision for income taxes
​ | ​ | $ | (53) | ​ | Net of tax

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
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