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Income Taxes - Income Attributable to Domestic and Foreign Operations (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income (loss) from continuing operations before income taxes      
Domestic $ 23,561 $ (10,292) $ (78,486)
Foreign 2,119 1,828 530
Income (loss) before income taxes $ 25,680 $ (8,464) $ (77,956)