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Restructuring and Impairment Charges (Components of Restructuring and Impairment Charges) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Restructuring and Related Activities [Abstract]        
Impairment and loss on disposal of machinery and equipment $ 0 $ 1,591
Employee severance and retention 0 (24) (5)
Other charges related to facility closure 0 (96) 4,944
Total restructuring and impairment charges $ 0 $ (120) $ 0 $ 6,530