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Balance Sheet Details (Details 2) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Sep. 30, 2019
Property, plant and equipment, net              
Property, plant and equipment, gross $ 140,370 $ 126,762          
Less accumulated depreciation and amortization (82,677) (81,226)          
Property, plant and equipment, net 57,693 45,536   $ 59,425 $ 50,858 $ 48,154 $ 38,571
Depreciation expense 22,100 15,300 $ 10,700        
Computer software              
Property, plant and equipment, net              
Property, plant and equipment, gross 49,862 50,453          
Computer equipment              
Property, plant and equipment, net              
Property, plant and equipment, gross 32,122 36,761          
Furniture and fixtures              
Property, plant and equipment, net              
Property, plant and equipment, gross 11,100 16,136          
Leasehold improvements              
Property, plant and equipment, net              
Property, plant and equipment, gross 9,658 11,275          
Machinery              
Property, plant and equipment, net              
Property, plant and equipment, gross 10,378 10,446          
Construction in progress              
Property, plant and equipment, net              
Property, plant and equipment, gross $ 27,250 $ 1,691