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Financial Statements Details - Accounts Receivable, Net (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Balance Sheet Components [Abstract]    
Accounts receivable $ 358,220 $ 398,147
Allowance for doubtful accounts (424) (638)
Product sales rebate and returns reserve (5,637) (5,522)
Accounts receivable, net $ 352,159 $ 391,987