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Asset Impairments and Other Restructuring Items - Schedule of Asset Impairments (Details)
$ in Thousands
 3 Months Ended
Mar. 31, 2021
USD ($)
Impaired Long-Lived Assets Held and Used [Line Items]  
Impairment of fixed asset $ 650
Impairment of fixed asset, tax 137
Impairment of fixed asset, net of tax 513
Impairment of severance and restructuring costs 3,418
Impairment of severance and restructuring costs, tax 717
Impairment of severance and restructuring costs, net of tax 2,701
Corporate  
Impaired Long-Lived Assets Held and Used [Line Items]  
Impairment of fixed asset 0
Impairment of severance and restructuring costs 1,555
Offshore/ Manufactured Products | Operating Segments  
Impaired Long-Lived Assets Held and Used [Line Items]  
Impairment of fixed asset 0
Impairment of severance and restructuring costs 282
Well Site Services  
Impaired Long-Lived Assets Held and Used [Line Items]  
Impairment of fixed asset 700
Well Site Services | Operating Segments  
Impaired Long-Lived Assets Held and Used [Line Items]  
Impairment of fixed asset 650
Impairment of severance and restructuring costs 1,306
Downhole Technologies | Operating Segments  
Impaired Long-Lived Assets Held and Used [Line Items]  
Impairment of fixed asset 0
Impairment of severance and restructuring costs $ 275