Quarterly report pursuant to Section 13 or 15(d)

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

v3.4.0.3
Condensed Consolidating Financial Information - Condensed Consolidating Statement of Cash Flows (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities $ 83,774 $ 99,037
Net cash (used in) provided by investing activities (157,529) (231,491)
Net cash provided by (used in) financing activities 415,158 64,854
Net increase (decrease) in cash and cash equivalents 341,403 (67,600)
Cash and cash equivalents at beginning of period 112,974 142,340
Cash and cash equivalents at end of period 454,377 74,740
Parent    
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities 83,620 95,879
Net cash (used in) provided by investing activities (157,529) (228,601)
Net cash provided by (used in) financing activities 415,158 64,854
Net increase (decrease) in cash and cash equivalents 341,249 (67,868)
Cash and cash equivalents at beginning of period 112,494 141,535
Cash and cash equivalents at end of period 453,743 73,667
Guarantors    
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities 155 3,158
Net cash (used in) provided by investing activities (22,500) (2,890)
Net cash provided by (used in) financing activities 22,500 0
Net increase (decrease) in cash and cash equivalents 155 268
Cash and cash equivalents at beginning of period 479 804
Cash and cash equivalents at end of period 634 1,072
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 (1,821) (6,093)
Net cash provided by (used in) financing activities 1,821 6,093
Net increase (decrease) in cash and cash equivalents (1) 0
Cash and cash equivalents at beginning of period 1 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 0 0
Net cash (used in) provided by investing activities 24,321 6,093
Net cash provided by (used in) financing activities (24,321) (6,093)
Net increase (decrease) 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