Industry Segments - Revenue, Income from Operations, and Assets by Reporting Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Industry Segments Details [Line Items]
Revenues	$ 222,942	$ 243,728
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(9,077)	(17,065)
Completion Fluids & Products Division [Member]
Industry Segments Details [Line Items]
Revenues	75,237	61,581
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	19,396	6,186
Water & Flowback Services [Member]
Industry Segments Details [Line Items]
Revenues	57,467	78,678
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(2,244)	2,231
Compression Division [Member]
Industry Segments Details [Line Items]
Revenues	90,238	103,469
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(12,790)	(7,801)
Interdivision Eliminations [Member]
Industry Segments Details [Line Items]
Revenues	0	0
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	5	6
Corporate Overhead [Member]
Industry Segments Details [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(13,444)	(17,687)
Product [Member]
Industry Segments Details [Line Items]
Revenues	85,033	91,781
Product [Member] | Completion Fluids & Products Division [Member]
Industry Segments Details [Line Items]
Revenues	70,190	57,328
Product [Member] | Water & Flowback Services [Member]
Industry Segments Details [Line Items]
Revenues	25	364
Product [Member] | Compression Division [Member]
Industry Segments Details [Line Items]
Revenues	14,818	34,089
Service [Member]
Industry Segments Details [Line Items]
Revenues	137,909	151,947
Service [Member] | Completion Fluids & Products Division [Member]
Industry Segments Details [Line Items]
Revenues	5,047	4,253
Service [Member] | Water & Flowback Services [Member]
Industry Segments Details [Line Items]
Revenues	57,442	78,314
Service [Member] | Compression Division [Member]
Industry Segments Details [Line Items]
Revenues	$ 75,420	$ 69,380