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Income Taxes - Components of the Company's pretax income (loss) before taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
Domestic (including U.S. exports) $ 27,799 $ 6,092 $ (72,264)
Foreign subsidiaries 15,397 (1,658) 12,164
Income Before Income Taxes $ 43,196 $ 4,434 $ (60,100)