Segment Data - Narrative (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($) rig employee	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) rig employee	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of U.S. active rig count | rig	261		261
Decline in U.S. active rig count, percent	67.00%		67.00%
Reduction of employees | employee	620		620
Reduction of employees, percent	28.00%		28.00%
Severance costs	$ 400		$ 3,900
Inventory write-downs, severance costs and facility exist costs	4,700		18,000
Accumulated other comprehensive loss	69,847		69,847		$ 67,947
Goodwill	42,234		42,234		42,332
Property, Plant and Equipment, Net	287,332		287,332		$ 310,409
Finite-lived intangible assets, net	25,600		25,600
Impairment charge	3,038	$ 0	3,038	$ 0
Brazil
Segment Reporting Information [Line Items]
Accumulated other comprehensive loss	11,800		11,800
Cost of Revenue
Segment Reporting Information [Line Items]
Severance costs	100		2,600
Selling, General and Administrative Expenses
Segment Reporting Information [Line Items]
Severance costs	300		1,300
Fluids systems
Segment Reporting Information [Line Items]
Severance costs	189	284	3,288	1,152
Inventory write-downs, severance costs and facility exist costs	4,503	284	17,398	1,152
Impairment charge	3,038	$ 0	3,038	$ 0
Operating Segments | Fluids systems
Segment Reporting Information [Line Items]
Severance costs	200		3,300
Inventory write-downs, severance costs and facility exist costs	4,500		17,400
Combined assets	159,600		159,600
Operating Segments | Mats and Integrated Services
Segment Reporting Information [Line Items]
Combined assets	143,600		143,600
Corporate Office
Segment Reporting Information [Line Items]
Severance costs	200		600
Inventory write-downs, severance costs and facility exist costs	$ 200		$ 600
Weighted Average
Segment Reporting Information [Line Items]
Number of U.S. active rig count | rig	477,000		477,000
Decline in U.S. active rig count, percent	52.00%		52.00%