Quarterly report pursuant to Section 13 or 15(d)

Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Statement of Comprehensive Income (Loss) (Details)

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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