Business Segment Information - Schedule of Reportable Segments Financial Information (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Operating revenues										$ 710,135	$ 964,720
Depreciation and amortization	[1]									114,657	126,417
Identifiable assets		$ 550,474				$ 761,777				550,474	761,777
Continuing operations
Segment Reporting Information [Line Items]
Operating revenues		121,922	$ 144,163	$ 147,975	$ 153,190	157,866	$ 171,144	$ 165,558	$ 158,997	567,250	653,565
Direct operating costs										(426,815)	(480,405)
Segment profits		23,869	$ 35,584	$ 38,915	$ 42,067	40,251	$ 44,716	$ 45,245	$ 42,948	140,435	173,160
Depreciation and amortization										69,489	78,173
Capital expenditures										48,421	58,473
Identifiable assets		496,250				607,159				496,250	607,159
Continuing operations | Water Logistics
Segment Reporting Information [Line Items]
Operating revenues										199,816	231,283
Continuing operations | Completion & Remedial Services
Segment Reporting Information [Line Items]
Operating revenues										140,468	171,300
Discontinued operations
Segment Reporting Information [Line Items]
Operating revenues										142,885	311,155
Depreciation and amortization										45,168	48,244
Operating Segments | Continuing operations | Well Servicing
Segment Reporting Information [Line Items]
Operating revenues										226,966	250,982
Direct operating costs										(186,782)	(203,785)
Segment profits										40,184	47,197
Depreciation and amortization										18,766	18,470
Capital expenditures										14,525	22,212
Identifiable assets		78,686				89,813				78,686	89,813
Operating Segments | Continuing operations | Water Logistics
Segment Reporting Information [Line Items]
Operating revenues										199,816	231,283
Direct operating costs										(141,379)	(166,907)
Segment profits										58,437	64,376
Depreciation and amortization										26,143	25,250
Capital expenditures										26,209	24,737
Identifiable assets		118,960				98,717				118,960	98,717
Operating Segments | Continuing operations | Completion & Remedial Services
Segment Reporting Information [Line Items]
Operating revenues										140,468	171,300
Direct operating costs										(98,654)	(109,713)
Segment profits										41,814	61,587
Depreciation and amortization										19,964	27,903
Capital expenditures										7,033	10,128
Identifiable assets		42,560				125,123				42,560	125,123
Operating Segments | Discontinued operations
Segment Reporting Information [Line Items]
Operating revenues										142,885	311,154
Direct operating costs										(134,778)	(266,011)
Segment profits										8,107	45,143
Depreciation and amortization										45,168	48,244
Capital expenditures										12,067	29,970
Identifiable assets		54,224				154,618				54,224	154,618
Corporate and Other | Continuing operations
Segment Reporting Information [Line Items]
Operating revenues										0	0
Direct operating costs										0	0
Segment profits										0	0
Depreciation and amortization										4,616	6,550
Capital expenditures										654	1,396
Identifiable assets		$ 256,044				$ 293,506				$ 256,044	$ 293,506

[1] (a) See reconciling cash flow items from discontinued operations in Note 2: Discontinued Operations