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Select Condensed Consolidated Balance Sheet Details - Intangible Assets, Net (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Dec. 31, 2018
Finite Lived Intangible Assets [Line Items]    
Intangible assets, Gross $ 54,593 $ 54,593
Less accumulated amortization (28,367) (28,185)
Intangible assets, net $ 26,226 26,408
Developed technology    
Finite Lived Intangible Assets [Line Items]    
Useful lives 10 years  
Intangible assets, Gross $ 26,976 26,976
Intellectual property    
Finite Lived Intangible Assets [Line Items]    
Intangible assets, Gross $ 1,004 1,004
License agreements    
Finite Lived Intangible Assets [Line Items]    
Useful lives 1 year  
Intangible assets, Gross $ 5,536 5,536
Trademarks and trade names    
Finite Lived Intangible Assets [Line Items]    
Intangible assets, Gross $ 792 792
Customer-related    
Finite Lived Intangible Assets [Line Items]    
Useful lives 4 years  
Intangible assets, Gross $ 7,458 7,458
Distribution network    
Finite Lived Intangible Assets [Line Items]    
Useful lives 3 years  
Intangible assets, Gross $ 4,027 4,027
In process research and development    
Finite Lived Intangible Assets [Line Items]    
Useful lives 19 years  
Intangible assets, Gross $ 8,800 $ 8,800