Industry Segments and Geographic Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Industry Segments Details [Line Items]
Warrants fair value adjustment	$ (251)	$ (1,624)	$ (11,129)
Other Nonoperating Income (Expense)	135	(301)	5,607
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	26,844	130,920	6,312
General and administrative expense	76,697	96,466	92,902
Revenue	377,715	561,241	560,102
Depreciation, amortization, and accretion	38,214	47,563	44,425
Interest expense, net	19,326	21,808	19,749
Consolidated interest income	(400)	(552)	(708)
Interest expense, net	18,926	21,256	19,041
Income (loss) before taxes and discontinued operations	(25,086)	(128,109)	(2,628)
Total assets	1,132,839	1,271,922
Capital expenditures	$ 29,386	108,273	141,931
Number of operating segments	2
Completion Fluids & Products Division [Member]
Industry Segments Details [Line Items]
Revenue	$ 242,661	279,255	257,408
Depreciation, amortization, and accretion	7,581	13,518	15,345
Interest expense, net	73	68	179
Income (loss) before taxes and discontinued operations	55,334	(33,969)	30,623
Total assets	218,952	236,420
Capital expenditures	4,016	7,140	5,259
Water & Flowback Services [Member]
Industry Segments Details [Line Items]
Revenue	135,054	281,986	303,072
Depreciation, amortization, and accretion	29,913	33,410	28,422
Interest expense, net	4	7	5
Income (loss) before taxes and discontinued operations	(21,850)	(21,173)	28,712
Total assets	136,511	180,765
Capital expenditures	9,651	24,340	30,175
Compression [Member]
Industry Segments Details [Line Items]
Total assets	710,006	822,699
Capital expenditures	14,696	75,760	105,688
Cost of Goods and Services Sold	12,700	6,500	10,000
Corporate Segment [Member]
Industry Segments Details [Line Items]
Depreciation, amortization, and accretion	720	635	658
Total assets	67,370	32,038
Capital expenditures	1,023	1,033	809
Interdivision Eliminations [Member]
Industry Segments Details [Line Items]
Revenue	0	0	(378)
Income (loss) before taxes and discontinued operations	12	14	11
Corporate Overhead [Member]
Industry Segments Details [Line Items]
Warrants fair value adjustment	(251)	(1,624)	(11,128)
Other Nonoperating Income (Expense)	1,087	531	2,373
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	58,582	72,981	61,974
General and administrative expense	36,201	51,466	50,431
Depreciation, amortization, and accretion	818	631	658
Interest expense, net	19,249	21,733	19,565
Interest expense, net	(20,727)	(21,977)	(19,640)
Income (loss) before taxes and discontinued operations	(58,582)	(72,981)	(61,974)
Service [Member]
Industry Segments Details [Line Items]
Revenue	144,994	301,688	315,729
Cost of Goods and Services Sold	120,775	233,191	228,013
Service [Member] | Completion Fluids & Products Division [Member]
Industry Segments Details [Line Items]
Revenue	12,852	20,623	15,002
Service [Member] | Water & Flowback Services [Member]
Industry Segments Details [Line Items]
Revenue	132,142	281,065	300,727
Product [Member]
Industry Segments Details [Line Items]
Revenue	232,721	259,553	244,373
Cost of Goods and Services Sold	150,753	177,859	181,444
Product [Member] | Completion Fluids & Products Division [Member]
Industry Segments Details [Line Items]
Revenue	229,809	258,632	242,412
Product [Member] | Water & Flowback Services [Member]
Industry Segments Details [Line Items]
Revenue	2,912	921	1,961
Operating Segments
Industry Segments Details [Line Items]
Revenue	0	0	0
Operating Segments | Completion Fluids & Products Division [Member]
Industry Segments Details [Line Items]
Revenue	0	0	(6)
Operating Segments | Water & Flowback Services [Member]
Industry Segments Details [Line Items]
Revenue	$ 0	$ 0	$ 384