Segment and Related Information - Textual (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) segment employee	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Mar. 31, 2020
Segment Reporting Information [Line Items]
Number of reportable segments | segment	2
Reduction of employees | employee	650
Reduction of employees, percent	30.00%
Severance costs	$ 4,300
Inventory write-downs, severance costs and facility exist costs	29,200	$ 23,200
Cost of revenues
Segment Reporting Information [Line Items]
Severance costs	2,700
Selling, general and administrative expenses
Segment Reporting Information [Line Items]
Severance costs	1,600
Fluids Systems
Segment Reporting Information [Line Items]
Severance costs	3,729	2,264	$ 2,822
Inventory write-downs, severance costs and facility exist costs	28,600	18,803	$ 4,730
Operating segments | Fluids Systems
Segment Reporting Information [Line Items]
Severance costs	3,700
Inventory write-downs, severance costs and facility exist costs	28,600	18,800
Corporate office
Segment Reporting Information [Line Items]
Severance costs	600
Inventory write-downs, severance costs and facility exist costs	$ 600	$ 4,400
Weighted Average
Segment Reporting Information [Line Items]
Decline in U.S. active rig count, percent				52.00%