UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
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| Statement of Comprehensive Income [Abstract] | ||||
| Net income (loss) | $ 21,552 | $ (9,420) | $ 19,773 | $ (32,955) |
| Other comprehensive income (loss), net of income taxes: | ||||
| Change in unfunded pension plan obligation liability | (386) | 47 | (1,119) | 139 |
| Other | 18 | 42 | 63 | 118 |
| Comprehensive income (loss) | $ 21,184 | $ (9,331) | $ 18,717 | $ (32,698) |
| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan, attributable to parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of increase (decrease) in other comprehensive income, after tax, from changes classified as other. No definition available.
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| X | ||||||||||
- References No definition available.
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