Summary of Significant Accounting Policies - Property and Equipment, Impairment (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Property, Equipment and Impairment of Long-Lived Assets | |||
| Depreciation | $ 1,527 | $ 1,273 | $ 602 |
| Impairment losses | 0 | $ 0 | $ 0 |
| Construction in progress | |||
| Property, Equipment and Impairment of Long-Lived Assets | |||
| Depreciation | $ 0 | ||
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- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). 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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- Details
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