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Segment Information - Long-Lived Assets, by Segment (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Segment Reporting Information [Line Items]    
Property, plant and equipment $ 272,707 $ 328,432
Operating segments | Tubular Running Services    
Segment Reporting Information [Line Items]    
Property, plant and equipment 90,955 132,626
Operating segments | Tubulars    
Segment Reporting Information [Line Items]    
Property, plant and equipment 14,782 15,162
Operating segments | Cementing Equipment    
Segment Reporting Information [Line Items]    
Property, plant and equipment 23,441 34,184
Corporate and Reconciling Items    
Segment Reporting Information [Line Items]    
Property, plant and equipment $ 143,529 $ 146,460