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Reduction in Value of Assets (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Reduction In Value Of Assets And Impairments [Line Items]        
Reduction in value of long-lived assets $ 2,929 $ 9,571 $ 19,451 $ 17,128
Production Services [Member]        
Reduction In Value Of Assets And Impairments [Line Items]        
Reduction in value of long-lived assets   1,997 4,096 1,997
Technical Solutions [Member]        
Reduction In Value Of Assets And Impairments [Line Items]        
Reduction in value of long-lived assets $ 2,929 $ 7,008 $ 15,355 $ 7,008