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Accumulated Other Comprehensive Income (Loss) | 12 Months Ended
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Dec. 31, 2020
Equity [Abstract] |
Accumulated Other Comprehensive Income (Loss) | Accumulated Other Comprehensive Income (Loss) The changes in accumulated other comprehensive income (loss) are as follows:
| Gains and (Losses) on Cash Flow Hedges |  | Defined Benefit Pension Plan |  | Total Accumulated Other Comprehensive Income (Loss)
| (In thousands)
Balance at December 31, 2017 | $ | 1,750 |  |  | $ | (443) |  |  | $ | 1,307 |
Other comprehensive income before reclassifications (1) | 1,517 |  |  | 1,642 |  |  | 3,159 |
Amounts reclassified out of accumulated other comprehensive income (loss) (2) | (233) |  |  | — |  |  | (233) |
Net current-period other comprehensive income | 1,284 |  |  | 1,642 |  |  | 2,926 |
Balance at December 31, 2018 | $ | 3,034 |  |  | $ | 1,199 |  |  | $ | 4,233 |
Other comprehensive income (loss) before reclassifications (3) | (1,646) |  |  | (1,935) |  |  | (3,581) |
Amounts reclassified out of accumulated other comprehensive income (loss) (4) | (2,714) |  |  | — |  |  | (2,714) |
Net current-period other comprehensive income (loss) | (4,360) |  |  | (1,935) |  |  | (6,295) |
Balance at December 31, 2019 | $ | (1,326) |  |  | $ | (736) |  |  | $ | (2,062) |
Other comprehensive income (loss) before reclassifications (5) | 1,140 |  |  | (1,336) |  |  | (196) |
Amounts reclassified out of accumulated other comprehensive income (loss) (6) | (1,358) |  |  | — |  |  | (1,358) |
Net current-period other comprehensive income (loss) | (218) |  |  | (1,336) |  |  | (1,554) |
Balance at December 31, 2020 | $ | (1,544) |  |  | $ | (2,072) |  |  | $ | (3,616) |
(1)Net of tax expense of $548 related to gains on cash flow hedges and tax expense of $726 related to the defined benefit pension plan. (2)Net of tax benefit of $88 related to gains on cash flow hedges. (3)Net of tax benefit of $836 related to gains on cash flow hedges and tax benefit of $734 related to the defined benefit pension plan. (4)Net of tax benefit of $1,108 related to gains on cash flow hedges. (5)Net of tax expense of $337 related to cash flow hedges and tax benefit of $507 related to the defined benefit pension plan. (6)Net of tax benefit of $555 related to cash flow hedges. See the heading “Derivative Instruments and Hedging Activities” in Note 6, “Long-Term Debt,” for further discussion of our cash flow hedges. For further discussion of our defined benefit pension plan, see Note 10, “Employee Benefit Plans.”

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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=120395209&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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