Business Segment Information - Schedule of Reportable Segments Financial Information (Details) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2020 USD ($) segment	Dec. 31, 2019 USD ($)
Segment Reporting [Abstract]
Number of operating segments | segment									3
Segment Reporting Information [Line Items]
Depreciation and amortization									$ (52,537)	$ (114,657)
Capital expenditures									7,825	55,353
Total assets	$ 349,073				$ 550,474				349,073	550,474
Continuing Operations
Segment Reporting Information [Line Items]
Revenues	97,935	$ 95,400	$ 89,637	$ 128,403	121,922	$ 144,163	$ 147,975	$ 153,190	411,375	567,250
Costs of services									338,067	421,549
Segment profits	16,581	$ 12,138	$ 18,361	$ 26,228	25,271	$ 39,448	$ 38,915	$ 42,067	73,308	145,701
Depreciation and amortization									(52,537)	(69,489)
Capital expenditures									7,825	48,421
Total assets	342,748				496,250				342,748	496,250
Discontinued Operations
Segment Reporting Information [Line Items]
Revenues									120	142,885
Operating Segments | Continuing Operations | Well Servicing
Segment Reporting Information [Line Items]
Revenues									212,817	226,966
Costs of services									174,011	181,516
Segment profits									38,806	45,450
Depreciation and amortization									(9,447)	(18,766)
Capital expenditures									2,359	14,525
Total assets	39,812				78,686				39,812	78,686
Operating Segments | Continuing Operations | Water Logistics
Segment Reporting Information [Line Items]
Revenues									138,935	199,816
Costs of services									112,232	141,379
Segment profits									26,703	58,437
Depreciation and amortization									(25,115)	(26,143)
Capital expenditures									3,585	26,209
Total assets	102,232				118,960				102,232	118,960
Operating Segments | Continuing Operations | Completion & Remedial
Segment Reporting Information [Line Items]
Revenues									59,623	140,468
Costs of services									51,824	98,654
Segment profits									7,799	41,814
Depreciation and amortization									(11,774)	(19,964)
Capital expenditures									1,764	7,033
Total assets	54,601				42,560				54,601	42,560
Operating Segments | Discontinued Operations
Segment Reporting Information [Line Items]
Revenues									120	142,885
Costs of services									5,305	134,778
Segment profits									(5,185)	8,107
Depreciation and amortization									0	(45,168)
Capital expenditures									0	12,067
Total assets	6,325				54,224				6,325	54,224
Corporate and Other | Continuing Operations
Segment Reporting Information [Line Items]
Revenues									0	0
Costs of services									0	0
Segment profits									0	0
Depreciation and amortization									(6,201)	(4,616)
Capital expenditures									117	654
Total assets	$ 146,103				$ 256,044				$ 146,103	$ 256,044