Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidating Financial Information (Condensed Consolidating Statements of Cash Flows (Details))

v3.7.0.1
Condensed Consolidating Financial Information (Condensed Consolidating Statements of Cash Flows (Details)) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities $ 286,653 $ 142,724
Net cash (used in) provided by investing activities (1,644,624) (281,044)
Net cash provided by (used in) financing activities 199,651 421,783
Net (decrease) increase in cash and cash equivalents (1,158,320) 283,463
Cash and cash equivalents at beginning of period 1,275,875 112,974
Cash and cash equivalents at end of period 117,555 396,437
Reportable Legal Entities | Parent    
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities 268,068 142,470
Net cash (used in) provided by investing activities (1,669,539) (281,044)
Net cash provided by (used in) financing activities 199,651 421,783
Net (decrease) increase in cash and cash equivalents (1,201,820) 283,209
Cash and cash equivalents at beginning of period 1,273,882 112,494
Cash and cash equivalents at end of period 72,062 395,703
Reportable Legal Entities | Guarantors    
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities 18,585 254
Net cash (used in) provided by investing activities (1,362,222) (25,500)
Net cash provided by (used in) financing activities 1,387,137 25,500
Net (decrease) increase in cash and cash equivalents 43,500 254
Cash and cash equivalents at beginning of period 1,993 479
Cash and cash equivalents at end of period 45,493 733
Reportable Legal Entities | Non-Guarantor    
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities 1 0
Net cash (used in) provided by investing activities (1,151) (13,690)
Net cash provided by (used in) financing activities 1,150 13,690
Net (decrease) increase in cash and cash equivalents 0 0
Cash and cash equivalents at beginning of period 0 1
Cash and cash equivalents at end of period 0 1
Eliminations    
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities (1) 0
Net cash (used in) provided by investing activities 1,388,288 39,190
Net cash provided by (used in) financing activities (1,388,287) (39,190)
Net (decrease) 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