Quarterly report pursuant to Section 13 or 15(d)

Property, Plant, and Equipment, net - Deprecation Expense (Details)

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Property, Plant, and Equipment, net - Deprecation Expense (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Property, Plant and Equipment [Line Items]    
Total depreciation expense $ 10,323 $ 3,145
Cost of sales    
Property, Plant and Equipment [Line Items]    
Total depreciation expense 6,214 1,183
Sales and marketing expenses    
Property, Plant and Equipment [Line Items]    
Total depreciation expense 831 265
Product development    
Property, Plant and Equipment [Line Items]    
Total depreciation expense 577 495
General and administrative    
Property, Plant and Equipment [Line Items]    
Total depreciation expense $ 2,701 $ 1,202