Annual report pursuant to Section 13 and 15(d)

Property and Equipment, Net (Details)

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Property and Equipment, Net (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross $ 35,412 $ 77,227  
Less: Accumulated depreciation and amortization (26,367) (66,100)  
Property and equipment, net 9,045 11,127  
Depreciation 4,900 11,300 $ 12,000
Property and equipment no longer in use 43,500    
Gain (loss) on disposition of property plant equipment 400 100 $ 100
Computer equipment and purchased software      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 28,616 59,326  
Equipment      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 723 3,301  
Furniture and fixtures      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 2,207 6,089  
Leasehold improvements      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 3,421 7,800  
Construction in progress      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross $ 445 $ 711