Segment and Related Information - Fluids Systems Impairments and Other Charges (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting, Other Significant Reconciling Item [Line Items]
Brazil exit - Recognition of cumulative foreign currency translation losses		$ 3,378	$ (816)	$ 1,416
Goodwill impairment	$ 11,400		11,422
Severance costs		4,300
Total Fluids Systems impairments and other charges		29,200	23,200
Fluids Systems
Segment Reporting, Other Significant Reconciling Item [Line Items]
Brazil exit - Recognition of cumulative foreign currency translation losses		11,689	0	0
Goodwill impairment		0	11,422	0
Inventory write-downs		10,345	1,881	0
Severance costs		3,729	2,264	2,822
Property, plant and equipment impairment		3,038	0	0
Facility exit costs and other		(201)	2,631	0
Completion fluids start-up costs		0	0	1,130
Kenedy, Texas facility fire		0	0	778
Modification of retirement policy		0	605	0
Total Fluids Systems impairments and other charges		$ 28,600	$ 18,803	$ 4,730