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Other Comprehensive Income (Loss) | 6 Months Ended
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Jun. 30, 2021
Statement of Comprehensive Income [Abstract] |
Other Comprehensive Income (Loss) | Accumulated Other Comprehensive Income (Loss) Other comprehensive income (loss) components, net of income tax, are shown in the following table for the three-month and six-month periods ended June 30, 2021 and 2020:
(in thousands) |  | Changes in pension plan assets and benefit obligations |  | Unrealized net holding gain (loss) on cash flow hedge |  | Unrealized gains (losses) on AFS debt securities |  | Total
Beginning balance at April 1, 2021 |  | $ | (34,421) |  |  | $ | (573) |  |  | $ | 27,093 |  |  | $ | (7,901) |
| Other comprehensive income before reclassifications |  | — |  |  | 113 |  |  | 4,858 |  |  | 4,971 |
Net current period other comprehensive income |  | — |  |  | 113 |  |  | 4,858 |  |  | 4,971 |
Ending balance at June 30, 2021 |  | $ | (34,421) |  |  | $ | (460) |  |  | $ | 31,951 |  |  | $ | (2,930) |
Beginning balance at April 1, 2020 |  | $ | (26,674) |  |  | $ | (937) |  |  | $ | 35,715 |  |  | $ | 8,104 |
| Amounts reclassified from accumulated other comprehensive income |  | — |  |  | — |  |  | (2,617) |  |  | (2,617) |
| Other comprehensive income before reclassifications |  | — |  |  | 15 |  |  | 8,359 |  |  | 8,374 |
Net current period other comprehensive income |  | — |  |  | 15 |  |  | 5,742 |  |  | 5,757 |
Ending balance at June 30, 2020 |  | $ | (26,674) |  |  | $ | (922) |  |  | $ | 41,457 |  |  | $ | 13,861 |
(in thousands) |  | Changes in pension plan assets and benefit obligations |  | Unrealized net holding gain (loss) on cash flow hedge |  | Unrealized gains (losses) on AFS debt securities |  | Total
Beginning balance at January 1, 2021 |  | $ | (34,421) |  |  | $ | (698) |  |  | $ | 40,690 |  |  | $ | 5,571 |
| Other comprehensive income (loss) before reclassifications |  | — |  |  | 238 |  |  | (8,739) |  |  | (8,501) |
Net current period other comprehensive income (loss) |  | — |  |  | 238 |  |  | (8,739) |  |  | (8,501) |
Ending balance at June 30, 2021 |  | $ | (34,421) |  |  | $ | (460) |  |  | $ | 31,951 |  |  | $ | (2,930) |
Beginning balance at January 1, 2020 |  | $ | (26,674) |  |  | $ | (454) |  |  | $ | 17,539 |  |  | $ | (9,589) |
| Amounts reclassified from accumulated other comprehensive income |  | — |  |  | — |  |  | (2,617) |  |  | (2,617) |
| Other comprehensive (loss) income before reclassifications |  | — |  |  | (468) |  |  | 26,535 |  |  | 26,067 |
Net current period other comprehensive (loss) income |  | — |  |  | (468) |  |  | 23,918 |  |  | 23,450 |
Ending balance at June 30, 2020 |  | $ | (26,674) |  |  | $ | (922) |  |  | $ | 41,457 |  |  | $ | 13,861 |
During the three-month and six-month periods ended June 30, 2021, there were no reclassifications out of accumulated other comprehensive income (loss). During the three-month and six-month periods ended June 30, 2020, there was $3.3 million ($2.6 million net of tax) reclassified out of accumulated other comprehensive income due to net gains on the sale of AFS debt securities. These gains were recorded within "Net gain on the sale of debt securities" on the Consolidated Condensed Statements of Income.

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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