Goodwill Goodwill (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Goodwill [Line Items]
Impairment of goodwill	$ 25,784	$ 0	$ 0
Goodwill, Acquired During Period		19,223
Goodwill	0	25,859	6,636	$ 6,636
Completion Fluids & Products Division [Member]
Goodwill [Line Items]
Goodwill, Impaired, Accumulated Impairment Loss	$ 23,800
Water & Flowback Services [Member]
Goodwill [Line Items]
Number of Reporting Units	2
Impairment of goodwill	$ 25,784
Goodwill, Acquired During Period		19,223
Goodwill	0	$ 25,859	$ 6,636	$ 6,636
Goodwill, Impaired, Accumulated Impairment Loss	137,700
Compression [Member]
Goodwill [Line Items]
Goodwill, Impaired, Accumulated Impairment Loss	$ 231,800