Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2018 |
Mar. 31, 2017 |
Dec. 31, 2016 |
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| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||
| Increase to net cash used in investing activities | $ (306,871) | $ (1,532,679) | |
| Accounting Standards Update 2016-18 | |||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||
| Increase in restricted cash | $ 185,000 | ||
| Increase to net cash used in investing activities | $ 185,000 | ||
| X | ||||||||||
- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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