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Financial Statement Details - Accounts Receivable, Net (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Balance Sheet Components [Abstract]    
Accounts receivable $ 214,977 $ 254,881
Allowance for doubtful accounts (149) (112)
Product sales rebate and returns reserve (7,489) (7,423)
Accounts receivable, net $ 207,339 $ 247,346