Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Statement of Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Schedule of Condensed Statement of Comprehensive Income [Line Items]
Net income (loss)	$ (46,228)	$ (48,482)	$ (181,885)	$ (58,638)
Currency translation difference on related borrowings	116	(1,285)	311	(2,308)
Currency translation difference on foreign currency net investments	(740)	588	(4,506)	1,462
Total other comprehensive income (loss), net of tax:	(624)	(697)	(4,195)	(846)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(46,852)	(49,261)	(186,080)	(60,055)
Comprehensive income (loss) attributable to noncontrolling interest	0	(82)	0	(571)
Comprehensive loss	(46,852)	(49,179)	(186,080)	(59,484)
Parent [Member]
Schedule of Condensed Statement of Comprehensive Income [Line Items]
Net income (loss)	(46,228)	(48,620)	(181,885)	(59,427)
Currency translation difference on related borrowings	0	0	0	0
Currency translation difference on foreign currency net investments	0	0	0	0
Total other comprehensive income (loss), net of tax:	0	0	0	0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(46,228)	(48,620)	(181,885)	(59,427)
Comprehensive income (loss) attributable to noncontrolling interest		0		0
Comprehensive loss		(48,620)		(59,427)
Guarantor [Member]
Schedule of Condensed Statement of Comprehensive Income [Line Items]
Net income (loss)	(18,409)	(4,119)	(49,224)	(8,984)
Currency translation difference on related borrowings	0	0	0	0
Currency translation difference on foreign currency net investments	0	0	0	0
Total other comprehensive income (loss), net of tax:	0	0	0	0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(18,409)	(4,119)	(49,224)	(8,984)
Comprehensive income (loss) attributable to noncontrolling interest		0		0
Comprehensive loss		(4,119)		(8,984)
Non-Guarantor [Member]
Schedule of Condensed Statement of Comprehensive Income [Line Items]
Net income (loss)	(6,478)	(25,656)	(16,455)	(19,543)
Currency translation difference on related borrowings	116	(1,285)	311	(2,308)
Currency translation difference on foreign currency net investments	(740)	588	(4,506)	1,462
Total other comprehensive income (loss), net of tax:	(624)	(697)	(4,195)	(846)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(7,102)	(26,435)	(20,650)	(20,960)
Comprehensive income (loss) attributable to noncontrolling interest		(82)		(571)
Comprehensive loss		(26,353)		(20,389)
Consolidation, Eliminations [Member]
Schedule of Condensed Statement of Comprehensive Income [Line Items]
Net income (loss)	24,887	29,913	65,679	29,316
Currency translation difference on related borrowings	0	0	0	0
Currency translation difference on foreign currency net investments	0	0	0	0
Total other comprehensive income (loss), net of tax:	0	0	0	0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ 24,887	29,913	$ 65,679	29,316
Comprehensive income (loss) attributable to noncontrolling interest		0		0
Comprehensive loss		$ 29,913		$ 29,316