Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Property Plant and Equipment Useful Life (Details)

v3.20.4
Summary of Significant Accounting Policies - Property Plant and Equipment Useful Life (Details)
12 Months Ended
Sep. 01, 2019
Dec. 31, 2020
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Estimated useful lives 9 years 15 years
Computer systems and software | Minimum    
Property, Plant and Equipment [Line Items]    
Estimated useful lives   3 years
Computer systems and software | Maximum    
Property, Plant and Equipment [Line Items]    
Estimated useful lives   5 years
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Estimated useful lives 5 years  
Furniture and fixtures | Minimum    
Property, Plant and Equipment [Line Items]    
Estimated useful lives   5 years
Furniture and fixtures | Maximum    
Property, Plant and Equipment [Line Items]    
Estimated useful lives   7 years