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Segment and Related Information - Employee Termination Costs (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2016
USD ($)
Segment Reporting Information [Line Items]  
Severance costs $ 4,572
Fluids systems [Member]  
Segment Reporting Information [Line Items]  
Severance costs 4,125
Mats and integrated services [Member]  
Segment Reporting Information [Line Items]  
Severance costs 285
Corporate [Member]  
Segment Reporting Information [Line Items]  
Severance costs 162
Cost of revenues [Member]  
Segment Reporting Information [Line Items]  
Severance costs 3,647
Selling, general and administrative expenses [Member]  
Segment Reporting Information [Line Items]  
Severance costs $ 925