Impairments and Other Charges (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2020	Sep. 30, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment charge			$ 600
Impairments of long-lived assets		$ (2,900)	(556)	$ (92,037)	$ (2,939)
Completion Fluids & Products Division [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of long-lived assets	$ (91,600)		$ (91,600)
Water & Flowback Services [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of long-lived assets	$ (300)