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Segment Information - Revenue from External Customers (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenue from External Customer [Line Items]
Revenues	$ 118,322	$ 108,083	$ 117,659	$ 110,731	$ 107,985	$ 105,114	$ 120,946	$ 153,486	$ 454,795	$ 487,531	$ 974,600
Operating income (loss)	(109,086)	$ (35,080)	$ (33,966)	$ (36,610)	(60,870)	$ (48,932)	$ (50,678)	$ (2,882)	(214,742)	(163,362)	143,655
Adjusted EBITDA									5,715	25,031	319,086
Depreciation and amortization									122,102	114,215	108,962
Property, plant and equipment	469,646				567,024				469,646	567,024	624,959
Capital expenditures									21,905	42,127	99,723
International Services
Revenue from External Customer [Line Items]
Adjusted EBITDA									30,801	33,264	182,475
U.S. Services
Revenue from External Customer [Line Items]
Adjusted EBITDA									(39,357)	(11,012)	95,612
Tubular Sales
Revenue from External Customer [Line Items]
Adjusted EBITDA									3,181	1,741	40,999
Blackhawk
Revenue from External Customer [Line Items]
Adjusted EBITDA									11,090	1,038	0
Operating segments | International Services
Revenue from External Customer [Line Items]
Revenues									206,746	237,207	442,107
Operating income (loss)									(44,199)	(41,668)	118,235
Adjusted EBITDA									30,801	33,264	182,475
Depreciation and amortization									54,873	59,435	58,163
Property, plant and equipment	197,305				247,913				197,305	247,913	288,089
Capital expenditures									7,042	23,461	42,772
Operating segments | U.S. Services
Revenue from External Customer [Line Items]
Revenues									118,815	152,827	326,437
Operating income (loss)									(101,602)	(116,603)	(10,783)
Adjusted EBITDA									(39,357)	(11,012)	95,612
Depreciation and amortization									38,151	47,438	46,548
Property, plant and equipment	173,501				201,772				173,501	201,772	248,153
Capital expenditures									9,618	18,112	28,881
Operating segments | Tubular Sales
Revenue from External Customer [Line Items]
Revenues									58,210	87,515	206,056
Operating income (loss)									(51,397)	(2,884)	36,203
Adjusted EBITDA									3,181	1,741	40,999
Depreciation and amortization									3,697	4,087	4,251
Property, plant and equipment	66,153				73,316				66,153	73,316	88,717
Capital expenditures									268	540	28,070
Operating segments | Blackhawk
Revenue from External Customer [Line Items]
Revenues									71,024	9,982	0
Operating income (loss)									(17,544)	(2,207)	0
Adjusted EBITDA									11,090	1,038	0
Depreciation and amortization									25,381	3,255	0
Property, plant and equipment	32,687				44,023				32,687	44,023	0
Capital expenditures									4,977	14	0
Inter-segment
Revenue from External Customer [Line Items]
Revenues									(31,355)	(39,114)	(62,525)
Inter-segment | International Services
Revenue from External Customer [Line Items]
Revenues									23	68	754
Inter-segment | U.S. Services
Revenue from External Customer [Line Items]
Revenues									17,071	19,590	25,844
Inter-segment | Tubular Sales
Revenue from External Customer [Line Items]
Revenues									14,132	19,456	35,927
Inter-segment | Blackhawk
Revenue from External Customer [Line Items]
Revenues									129	0	0
Eliminations
Revenue from External Customer [Line Items]
Revenues									0	0	0
Operating income (loss)									0	0	0
Adjusted EBITDA									0	0	0
Depreciation and amortization									0	0	0
Property, plant and equipment	$ 0				$ 0				0	0	0
Capital expenditures									$ 0	$ 0	$ 0

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