Segment Data - Fluids Systems Impairments and Other Charges (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting, Other Significant Reconciling Item [Line Items]
Severance costs	$ 400		$ 3,900
Property, plant and equipment impairments	3,038	$ 0	3,038	$ 0
Total Fluids Systems impairments and other charges	4,700		18,000
Fluids systems
Segment Reporting, Other Significant Reconciling Item [Line Items]
Inventory write-downs	990	0	9,986	0
Severance costs	189	284	3,288	1,152
Property, plant and equipment impairments	3,038	0	3,038	0
Facility exit costs and other	286	0	1,086	0
Total Fluids Systems impairments and other charges	$ 4,503	$ 284	$ 17,398	$ 1,152

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.

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