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Income Taxes - Unrecognized Tax Benefit Narrative (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income taxes        
Unrecognized tax benefits $ 19,594 $ 18,892 $ 18,453 $ 19,560
Unrecognized tax benefits, Income tax penalties and interest accrued 2,200 2,100 2,100  
Income tax interest and penalty expenses 100 (100) (100)  
Amount refunded     2,400  
Decrease in uncertain tax positions     4,400  
Potential decrease in unrecognized tax benefit 2,600      
Exterran Corporation | Spinoff        
Income taxes        
Indemnification asset, discontinued operations 7,868 7,868    
Continuing Operations        
Income taxes        
Unrecognized tax benefits that would impact tax rate if recognized 2,100 2,900 3,200  
Discontinued Operations.        
Income taxes        
Unrecognized tax benefits that would impact tax rate if recognized $ 7,900 $ 7,900 $ 8,300