Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Condensed Consolidating Financial Information (Condensed Consolidating Statement of Cash Flows (Details)) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities $ 142,645 $ 83,774
Net cash (used in) provided by investing activities (1,347,679) (157,529)
Net cash provided by (used in) financing activities 31,644 415,158
Net (decrease) increase in cash and cash equivalents (1,173,390) 341,403
Cash and cash equivalents at beginning of period 1,275,875 112,974
Cash and cash equivalents at end of period 102,485 454,377
Reportable Legal Entities | Parent    
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities 139,260 83,620
Net cash (used in) provided by investing activities (1,372,852) (157,529)
Net cash provided by (used in) financing activities 31,644 415,158
Net (decrease) increase in cash and cash equivalents (1,201,948) 341,249
Cash and cash equivalents at beginning of period 1,273,882 112,494
Cash and cash equivalents at end of period 71,934 453,743
Reportable Legal Entities | Guarantors    
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities 3,384 155
Net cash (used in) provided by investing activities (1,348,964) (22,500)
Net cash provided by (used in) financing activities 1,374,137 22,500
Net (decrease) increase in cash and cash equivalents 28,557 155
Cash and cash equivalents at beginning of period 1,993 479
Cash and cash equivalents at end of period 30,550 634
Reportable Legal Entities | Non-Guarantor    
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities 1 (1)
Net cash (used in) provided by investing activities (673) (1,821)
Net cash provided by (used in) financing activities 673 1,821
Net (decrease) increase in cash and cash equivalents 1 (1)
Cash and cash equivalents at beginning of period 0 1
Cash and cash equivalents at end of period 1 0
Eliminations    
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities 0 0
Net cash (used in) provided by investing activities 1,374,810 24,321
Net cash provided by (used in) financing activities (1,374,810) (24,321)
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