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Other Long-term Liabilities Other Long-term Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2021
Other Liabilities Disclosure [Abstract] |
Schedule of Other Long-term Liabilities | The following table summarizes the components of other long-term liabilities as follows:
|  | December 31,
|  | 2021 |  | 2020
Pension plan liabilities |  | $ | 3,551 |  |  | $ | 11,542 |
Other postretirement benefit plan liabilities |  | 607 |  |  | 634 |
Finance lease and financing obligation liabilities |  | 11,667 |  |  | 349 |
Reserve for uncertain tax positions |  | 7,658 |  |  | — |
Other |  | 614 |  |  | 2,874 |
|  | $ | 24,094 |  |  | $ | 15,399 |

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- Definition Tabular disclosure of other noncurrent liabilities. + References No definition available. + Details
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