Revenues and Customer Receivables - Disaggregation of Revenues (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	$ 128,498	$ 197,203
Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	128,403	153,190
Discontinued Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	95	44,013
Well Servicing
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	45,807	48,108
Well Servicing | Discontinued Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Plugging
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	8,544	6,892
Plugging | Discontinued Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Transport/Vacuum
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	28,112	30,747
Transport/Vacuum | Discontinued Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Production and Disposal Facilities
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	7,392	9,070
Production and Disposal Facilities | Discontinued Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Hot Oiler
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	4,054	6,780
Hot Oiler | Discontinued Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
RAFT
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	14,444	19,671
RAFT | Discontinued Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Coiled Tubing
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	8,970	12,563
Coiled Tubing | Discontinued Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Snubbing
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	424	1,195
Snubbing | Discontinued Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Taylor Industries - Manufacturing
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	2,868	1,469
Taylor Industries - Manufacturing | Discontinued Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Other
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	7,788	16,695
Other | Discontinued Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Central
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	91,713	170,547
Central | Discontinued Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	95	43,466
Western
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	41,463	37,254
Western | Discontinued Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	1,302
Corporate (Intercompany)
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	(4,678)	(10,598)
Corporate (Intercompany) | Discontinued Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	(755)
Well Servicing | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	58,141	61,984
Well Servicing | Well Servicing | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	45,807	48,108
Well Servicing | Plugging | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	8,544	6,892
Well Servicing | Transport/Vacuum | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Well Servicing | Production and Disposal Facilities | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Well Servicing | Hot Oiler | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Well Servicing | RAFT | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Well Servicing | Coiled Tubing | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Well Servicing | Snubbing | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Well Servicing | Taylor Industries - Manufacturing | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	2,868	1,469
Well Servicing | Other | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	922	5,515
Well Servicing | Central | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	40,019	54,886
Well Servicing | Western | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	19,662	12,820
Well Servicing | Corporate (Intercompany) | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	(1,540)	(5,722)
Water Logistics | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	44,381	55,601
Water Logistics | Well Servicing | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Water Logistics | Plugging | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Water Logistics | Transport/Vacuum | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	28,112	30,747
Water Logistics | Production and Disposal Facilities | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	7,392	9,070
Water Logistics | Hot Oiler | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	4,054	6,780
Water Logistics | RAFT | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Water Logistics | Coiled Tubing | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Water Logistics | Snubbing | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Water Logistics | Taylor Industries - Manufacturing | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Water Logistics | Other | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	4,823	9,004
Water Logistics | Central | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	38,416	51,717
Water Logistics | Western | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	8,206	6,542
Water Logistics | Corporate (Intercompany) | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	(2,241)	(2,658)
Completion & Remedial Services | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	25,881	35,605
Completion & Remedial Services | Well Servicing | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Completion & Remedial Services | Plugging | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Completion & Remedial Services | Transport/Vacuum | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Completion & Remedial Services | Production and Disposal Facilities | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Completion & Remedial Services | Hot Oiler | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Completion & Remedial Services | RAFT | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	14,444	19,671
Completion & Remedial Services | Coiled Tubing | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	8,970	12,563
Completion & Remedial Services | Snubbing | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	424	1,195
Completion & Remedial Services | Taylor Industries - Manufacturing | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	0	0
Completion & Remedial Services | Other | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	2,043	2,176
Completion & Remedial Services | Central | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	13,183	20,478
Completion & Remedial Services | Western | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	13,595	16,590
Completion & Remedial Services | Corporate (Intercompany) | Continuing Operations
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	$ (897)	$ (1,463)