Industry Segments - Revenue, Income from Operations, and Assets by Reporting Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Industry Segments Details [Line Items]
Revenues	$ 192,441	$ 288,796	$ 415,383	$ 532,524
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(35,129)	(5,711)	(44,206)	(22,776)
Completion Fluids & Products Division [Member]
Industry Segments Details [Line Items]
Revenues	71,346	79,767	146,583	141,348
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	13,202	14,614	32,598	20,800
Water & Flowback Services [Member]
Industry Segments Details [Line Items]
Revenues	24,723	73,124	82,190	151,802
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(8,418)	2,460	(10,662)	4,691
Compression Division [Member]
Industry Segments Details [Line Items]
Revenues	96,372	135,905	186,610	239,374
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(23,006)	(3,483)	(35,796)	(11,284)
Interdivision Eliminations [Member]
Industry Segments Details [Line Items]
Revenues	0	0	0	0
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	2	1	7	7
Corporate Overhead [Member]
Industry Segments Details [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(16,909)	(19,303)	(30,353)	(36,990)
Product [Member]
Industry Segments Details [Line Items]
Revenues	98,173	135,350	183,206	227,131
Product [Member] | Completion Fluids & Products Division [Member]
Industry Segments Details [Line Items]
Revenues	67,243	72,806	137,433	130,134
Product [Member] | Water & Flowback Services [Member]
Industry Segments Details [Line Items]
Revenues	8	367	33	731
Product [Member] | Compression Division [Member]
Industry Segments Details [Line Items]
Revenues	30,922	62,177	45,740	96,266
Service [Member]
Industry Segments Details [Line Items]
Revenues	94,268	153,446	232,177	305,393
Service [Member] | Completion Fluids & Products Division [Member]
Industry Segments Details [Line Items]
Revenues	4,103	6,961	9,150	11,214
Service [Member] | Water & Flowback Services [Member]
Industry Segments Details [Line Items]
Revenues	24,715	72,757	82,157	151,071
Service [Member] | Compression Division [Member]
Industry Segments Details [Line Items]
Revenues	$ 65,450	$ 73,728	$ 140,870	$ 143,108