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Segment Information - Revenue from External Customers (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenue from External Customer [Line Items]
Revenues	$ 202,976	$ 239,883	$ 254,304	$ 277,437	$ 319,020	$ 296,183	$ 272,937	$ 264,492	$ 974,600	$ 1,152,632	$ 1,077,722
Adjusted EBITDA									317,441	450,376	438,739
Depreciation and amortization									108,962	90,041	78,082
Property, plant and equipment	624,959				580,142				624,959	580,142	511,199
Capital expenditures									99,723	172,952	184,504
Operating segments
Revenue from External Customer [Line Items]
Adjusted EBITDA									317,345	450,410	438,686
Operating segments | International Services
Revenue from External Customer [Line Items]
Revenues									442,107	537,259	475,297
Adjusted EBITDA									182,475	231,469	199,620
Depreciation and amortization									58,163	52,363	41,177
Property, plant and equipment	288,089				314,031				288,089	314,031	278,452
Capital expenditures									42,772	100,483	97,120
Operating segments | U.S. Services
Revenue from External Customer [Line Items]
Revenues									326,437	439,638	434,940
Adjusted EBITDA									93,871	180,575	198,442
Depreciation and amortization									46,548	34,314	33,102
Property, plant and equipment	248,153				149,485				248,153	149,485	132,502
Capital expenditures									28,881	30,215	56,586
Operating segments | Tubular Sales Segment
Revenue from External Customer [Line Items]
Revenues									206,056	175,735	167,485
Adjusted EBITDA									40,999	38,366	40,624
Depreciation and amortization									4,251	3,364	3,803
Property, plant and equipment	88,717				116,626				88,717	116,626	100,245
Capital expenditures									28,070	42,254	30,798
Inter-segment
Revenue from External Customer [Line Items]
Revenues									0	0	0
Inter-segment | International Services
Revenue from External Customer [Line Items]
Revenues									754	1,471	3,275
Inter-segment | U.S. Services
Revenue from External Customer [Line Items]
Revenues									25,844	23,734	20,552
Inter-segment | Tubular Sales Segment
Revenue from External Customer [Line Items]
Revenues									35,927	64,542	71,271
Inter-segment | Corporate and other
Revenue from External Customer [Line Items]
Revenues									(62,525)	(89,747)	(95,098)
Corporate, non-segment | Corporate and other
Revenue from External Customer [Line Items]
Revenues									0	0	0
Adjusted EBITDA									96	(34)	53
Depreciation and amortization									0	0	0
Property, plant and equipment	$ 0				$ 0				0	0	0
Capital expenditures									$ 0	$ 0	$ 0

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Topic 230
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