XML 80 R65.htm IDEA: XBRL DOCUMENT v3.6.0.2
Property and Equipment - Components (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Property, Plant and Equipment [Line Items]    
Total $ 35,267 $ 32,967
Accumulated depreciation (30,561) (28,491)
Property and equipment—net [1] 4,706 4,476
Information technology    
Property, Plant and Equipment [Line Items]    
Total $ 29,675 27,392
Information technology | Minimum    
Property, Plant and Equipment [Line Items]    
Estimated useful lives (years) 2 years  
Information technology | Maximum    
Property, Plant and Equipment [Line Items]    
Estimated useful lives (years) 5 years  
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Total $ 4,568 4,568
Leasehold improvements | Minimum    
Property, Plant and Equipment [Line Items]    
Estimated useful lives (years) 2 years  
Leasehold improvements | Maximum    
Property, Plant and Equipment [Line Items]    
Estimated useful lives (years) 5 years  
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Total $ 1,024 $ 1,007
Furniture and fixtures | Minimum    
Property, Plant and Equipment [Line Items]    
Estimated useful lives (years) 2 years  
Furniture and fixtures | Maximum    
Property, Plant and Equipment [Line Items]    
Estimated useful lives (years) 5 years  
[1] See Note 4 "Equity" for disclosure of our variable interest entity in Spark HoldCo, LLC.