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Guarantor Subsidiaries Financial Information - Cash Flows (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Condensed Financial Statements, Captions [Line Items] |  |
Net cash (used for) provided by operating activities | $ 31,338 | $ 24,200
Net cash provided by (used for) investing activities | (2,739,648) | (43,865)
Net cash (used for) provided by financing activities | 882,990 | 28,668
Effect of changes in currency exchange rates | (4,164) | 7,482
(Decrease) increase in cash | (1,829,484) | 16,485
Cash, cash equivalents and restricted cash beginning of period | 2,342,354 | 233,401
Cash and cash equivalents end of period | 512,870 | 249,886
Elimination |  |
Condensed Financial Statements, Captions [Line Items] |  |
Net cash (used for) provided by operating activities | (22,417) | (7,808)
Net cash provided by (used for) investing activities | 0 | 0
Net cash (used for) provided by financing activities | 22,417 | 7,808
Effect of changes in currency exchange rates | 0 | 0
(Decrease) increase in cash | 0 | 0
Cash, cash equivalents and restricted cash beginning of period | 0 | 0
Cash and cash equivalents end of period | 0 | 0
Parent | Reportable Legal Entities |  |
Condensed Financial Statements, Captions [Line Items] |  |
Net cash (used for) provided by operating activities | (118,411) | (9,439)
Net cash provided by (used for) investing activities | 6,898,021 | (1,759)
Net cash (used for) provided by financing activities | (8,557,004) | 22,973
Effect of changes in currency exchange rates | 0 | 0
(Decrease) increase in cash | (1,777,394) | 11,775
Cash, cash equivalents and restricted cash beginning of period | 1,782,682 | 933
Cash and cash equivalents end of period | 5,288 | 12,708
Guarantors | Reportable Legal Entities |  |
Condensed Financial Statements, Captions [Line Items] |  |
Net cash (used for) provided by operating activities | 24,140 | 50,789
Net cash provided by (used for) investing activities | (1,601) | (3,693)
Net cash (used for) provided by financing activities | (22,458) | (49,808)
Effect of changes in currency exchange rates | 0 | 0
(Decrease) increase in cash | 81 | (2,712)
Cash, cash equivalents and restricted cash beginning of period | (119) | 4,802
Cash and cash equivalents end of period | (38) | 2,090
Non-Guarantors | Reportable Legal Entities |  |
Condensed Financial Statements, Captions [Line Items] |  |
Net cash (used for) provided by operating activities | 148,026 | (9,342)
Net cash provided by (used for) investing activities | (9,636,068) | (38,413)
Net cash (used for) provided by financing activities | 9,440,035 | 47,695
Effect of changes in currency exchange rates | (4,164) | 7,482
(Decrease) increase in cash | (52,171) | 7,422
Cash, cash equivalents and restricted cash beginning of period | 559,791 | 227,666
Cash and cash equivalents end of period | $ 507,620 | $ 235,088

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