Property, Plant and Equipment, net - Deprecation Expense (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Property, Plant and Equipment [Line Items] | |||
| Total | $ 46,504 | $ 21,511 | $ 9,447 |
| Cost of sales | |||
| Property, Plant and Equipment [Line Items] | |||
| Total | 29,798 | 10,855 | 2,957 |
| Sales and marketing expenses | |||
| Property, Plant and Equipment [Line Items] | |||
| Total | 3,219 | 1,793 | 893 |
| Product development | |||
| Property, Plant and Equipment [Line Items] | |||
| Total | 3,478 | 2,186 | 1,443 |
| General and administrative | |||
| Property, Plant and Equipment [Line Items] | |||
| Total | $ 10,009 | $ 6,677 | $ 4,154 |
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. 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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