Impairments and Other Charges Impairments and Other Charges (Details) - USD ($) $ in Thousands	3 Months Ended					12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of long-lived assets		$ (800)	$ (2,300)	$ (2,900)	$ (14,900)	$ (95,196)	$ (3,621)	$ (14,876)
Accumulated depreciation	$ 64,300
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)
Land and Building [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of long-lived assets	(14,800)
Equipment [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of long-lived assets	(1,000)
Automobiles and trucks [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of long-lived assets	(100)
Chemical Plant [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of long-lived assets	(134,600)
Construction in Progress [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of long-lived assets	(200)
Other Assets [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of long-lived assets	(4,900)
Other Intangible Assets [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of long-lived assets	$ (300)