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Supplemental Financial Information - Inventory (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Raw materials $ 8,399 $ 4,240
Work-in-process 9,421 6,979
Finished goods 70,626 68,402
Total inventory $ 88,446 $ 79,621