Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidating Financial Information - Condensed Consolidating Statement of Cash Flows (Details)

v3.5.0.2
Condensed Consolidating Financial Information - Condensed Consolidating Statement of Cash Flows (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Condensed Financial Statements, Captions [Line Items]        
Net Income (Loss) Attributable to Parent $ (339,776) $ (31,325) $ (582,043) $ (5,806)
Net cash provided by operating activities     142,724 138,874
Net cash (used in) provided by investing activities     (281,044) (979,766)
Net cash provided by (used in) financing activities     421,783 1,224,040
Net increase in cash and cash equivalents     283,463 383,148
Cash and cash equivalents at beginning of period     112,974 142,340
Cash and cash equivalents at end of period 396,437 525,488 396,437 525,488
Parent        
Condensed Financial Statements, Captions [Line Items]        
Net Income (Loss) Attributable to Parent (339,776) (31,325) (582,043) (5,806)
Net cash provided by operating activities     142,470 135,485
Net cash (used in) provided by investing activities     (281,044) (976,820)
Net cash provided by (used in) financing activities     421,783 1,224,040
Net increase in cash and cash equivalents     283,209 382,705
Cash and cash equivalents at beginning of period     112,494 141,535
Cash and cash equivalents at end of period 395,703 524,240 395,703 524,240
Guarantors        
Condensed Financial Statements, Captions [Line Items]        
Net Income (Loss) Attributable to Parent 55 22 21 238
Net cash provided by operating activities     254 3,389
Net cash (used in) provided by investing activities     (25,500) (2,946)
Net cash provided by (used in) financing activities     25,500 0
Net increase in cash and cash equivalents     254 443
Cash and cash equivalents at beginning of period     479 804
Cash and cash equivalents at end of period 733 1,247 733 1,247
Non-Guarantor        
Condensed Financial Statements, Captions [Line Items]        
Net Income (Loss) Attributable to Parent (762) (8,516) (24,449) (12,660)
Net cash provided by operating activities     0 (1)
Net cash (used in) provided by investing activities     (13,690) (8,267)
Net cash provided by (used in) financing activities     13,690 8,268
Net increase in cash and cash equivalents     0 0
Cash and cash equivalents at beginning of period     1 1
Cash and cash equivalents at end of period 1 1 1 1
Eliminations        
Condensed Financial Statements, Captions [Line Items]        
Net Income (Loss) Attributable to Parent 707 8,494 24,428 12,422
Net cash provided by operating activities     0 1
Net cash (used in) provided by investing activities     39,190 8,267
Net cash provided by (used in) financing activities     (39,190) (8,268)
Net increase in cash and cash equivalents     0 0
Cash and cash equivalents at beginning of period     0 0
Cash and cash equivalents at end of period $ 0 $ 0 $ 0 $ 0