Revenues - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
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| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | ||||
| Revenue | $ 533,594 | $ 98,262 | $ 1,027,843 | $ 173,228 |
| Shortfall Payments | ||||
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | ||||
| Revenue | $ 300 | $ 300 | ||
| Practical expedients | ||||
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | ||||
| Contract term (greater than) | 1 year | 1 year | ||
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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