Segment Information - EBITDA Reconciliation (Details) $ in Thousands	3 Months Ended
Mar. 31, 2016 USD ($) segment ft	Mar. 31, 2015 USD ($)
Segment Reporting [Abstract]
Number of reportable segments \| segment	3
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjusted EBITDA	$ 31,669	$ 100,290
Interest income (expense), net	206	8
Income tax benefit (expense)	806	(11,262)
Depreciation and amortization	(29,450)	(24,001)
Gain (loss) on sale of assets	770	(184)
Foreign currency gain (loss)	(41)	1,533
Stock-based compensation expense	(4,104)	(8,010)
Severance and other charges	(606)	(11,973)
Unrealized and realized gains (losses)	(1,658)	0
Income (loss) from continuing operations	(2,408)	46,401
International Services
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Severance and other charges	(581)
U.S. Services
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Severance and other charges	(25)
Tubular Sales
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Severance and other charges	0
Operating segments \| International Services
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjusted EBITDA	31,379	52,285
Operating segments \| U.S. Services
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjusted EBITDA	715	44,893
Operating segments \| Tubular Sales
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjusted EBITDA	(446)	3,119
Corporate, non-segment \| Corporate and other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjusted EBITDA	$ 21	$ (7)
Maximum \| Tubular Sales
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Length of tubulars used as caissons or pilings (up to, in feet) \| ft	300

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