Business Segment Information - Schedule of Reportable Segments Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Segment Reporting Information [Line Items]
Operating revenues	$ 141,610	$ 189,247	$ 391,970	$ 644,564
Direct operating costs	(116,271)	(154,930)	(332,951)	(506,815)
Segment profits	25,339	34,317	59,019	137,749
Depreciation and amortization	53,142	60,328	164,141	181,488
Capital expenditures (excluding acquisitions)	14,295	16,883	28,058	60,964
Identifiable assets	1,003,048	1,250,339	1,003,048	1,250,339	$ 1,138,181
Operating Segments | Completion and Remedial Services
Segment Reporting Information [Line Items]
Operating revenues	49,425	67,240	125,348	249,070
Direct operating costs	(40,292)	(56,165)	(107,941)	(195,086)
Segment profits	9,133	11,075	17,407	53,984
Depreciation and amortization	18,383	21,163	56,782	63,518
Capital expenditures (excluding acquisitions)	3,178	4,575	4,689	21,020
Identifiable assets	308,989	388,286	308,989	388,286
Operating Segments | Fluid Services
Segment Reporting Information [Line Items]
Operating revenues	47,178	62,631	142,919	200,138
Direct operating costs	(39,268)	(47,706)	(119,053)	(150,218)
Segment profits	7,910	14,925	23,866	49,920
Depreciation and amortization	15,584	17,638	48,133	52,989
Capital expenditures (excluding acquisitions)	8,244	6,851	14,422	15,786
Identifiable assets	216,202	268,060	216,202	268,060
Operating Segments | Well Servicing
Segment Reporting Information [Line Items]
Operating revenues	43,160	55,533	118,891	175,701
Direct operating costs	(35,028)	(47,877)	(101,345)	(147,314)
Segment profits	8,132	7,656	17,546	28,387
Depreciation and amortization	13,491	15,061	41,669	45,582
Capital expenditures (excluding acquisitions)	2,622	3,421	6,076	16,665
Identifiable assets	200,451	247,834	200,451	247,834
Operating Segments | Contract Drilling
Segment Reporting Information [Line Items]
Operating revenues	1,847	3,843	4,812	19,655
Direct operating costs	(1,683)	(3,182)	(4,612)	(14,197)
Segment profits	164	661	200	5,458
Depreciation and amortization	3,109	3,536	9,603	10,601
Capital expenditures (excluding acquisitions)	69	1,353	182	2,463
Identifiable assets	43,566	54,711	43,566	54,711
Corporate and Other
Segment Reporting Information [Line Items]
Operating revenues	0	0	0	0
Direct operating costs	0	0	0	0
Segment profits	0	0	0	0
Depreciation and amortization	2,575	2,930	7,954	8,798
Capital expenditures (excluding acquisitions)	182	683	2,689	5,030
Identifiable assets	$ 233,840	$ 291,448	$ 233,840	$ 291,448