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Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Statement of Comprehensive Income [Abstract] |  |  |  |
Net loss | $ 14,539 | $ (4,211) | $ (11,308) | $ (43,343)
Other comprehensive income net of tax: |  |  |  |
Pension and postretirement liability adjustments, net of tax | 83 | 156 | 167 | 312
Comprehensive income (loss) | $ 14,622 | $ (4,055) | $ (11,141) | $ (43,031)

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