XML 42 R26.htm IDEA: XBRL DOCUMENT
v3.20.4

Accumulated Other Comprehensive Income | 12 Months Ended
--- | ---
Dec. 31, 2020
Equity [Abstract] |
Accumulated Other Comprehensive Income | Accumulated Other Comprehensive Income Changes in accumulated other comprehensive income by component, net of tax, were as follows:
(In thousands) | Postretirement Benefits |  |
Balance at December 31, 2017 | $ | 2,077 |  |  |
Other comprehensive income before reclassifications | 2,461 |  |  |
Amounts reclassified from accumulated other comprehensive loss | (101) |  |  |
Net current-period other comprehensive income | 2,360 |  |  |
Balance at December 31, 2018 | $ | 4,437 |  |  |
Other comprehensive income before reclassifications | (2,530) |  |  |
Amounts reclassified from accumulated other comprehensive loss | (547) |  |  |
Net current-period other comprehensive income | (3,077) |  |  |
Balance at December 31, 2019 | $ | 1,360 |  |  |
Other comprehensive income before reclassifications | 1,634 |  |  |
Amounts reclassified from accumulated other comprehensive loss | (575) |  |  |
Net current-period other comprehensive income | 1,059 |  |  |
Balance at December 31, 2020 | $ | 2,419 |  |  |
Amounts reclassified from accumulated other comprehensive income into the Consolidated Statement of Operations were as follows:
| Year Ended December 31, |  | Affected Line Item in the Consolidated Statement of Operations
(In thousands) | 2020 |  | 2019 |  | 2018 |
Postretirement benefits |  |  |  |  |  |  |
Amortization of prior service cost | $ | 709 |  |  | $ | 709 |  |  | $ | 709 |  |  | General and administrative expense
Amortization of net (gain) loss | 36 |  |  | — |  |  | — |  |  | General and administrative expense
Total before tax | 745 |  |  | 709 |  |  | 709 |  |  | Income before income taxes
Income tax expense | (170) |  |  | (162) |  |  | (162) |  |  | Income tax expense
Cumulative effect of adoption of ASU 2018-02 reclassified to retained earnings | — |  |  | — |  |  | (446) |  |  | Retained earnings
Total reclassifications for the period | $ | 575 |  |  | $ | 547 |  |  | $ | 101 |  |  | Net income

X
- 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
Name: | us-gaap_ComprehensiveIncomeNoteTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration