Annual report pursuant to Section 13 and 15(d)

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

v3.20.4
Summary of Significant Accounting Policies - Summary of Useful Lives of Property and Equipment (Details)
12 Months Ended
Dec. 31, 2020
Internal-use Software Development Costs  
Schedule Of Significant Accounting Policies [Line Items]  
Property and equipment, useful life 4 years
Servers | Minimum  
Schedule Of Significant Accounting Policies [Line Items]  
Property and equipment, useful life 3 years
Servers | Maximum  
Schedule Of Significant Accounting Policies [Line Items]  
Property and equipment, useful life 6 years
Office Equipment | Minimum  
Schedule Of Significant Accounting Policies [Line Items]  
Property and equipment, useful life 3 years
Office Equipment | Maximum  
Schedule Of Significant Accounting Policies [Line Items]  
Property and equipment, useful life 5 years
Leasehold Improvements  
Schedule Of Significant Accounting Policies [Line Items]  
Property and equipment, useful life 5 years or remaining lease term [1]
Furniture and Fixtures | Minimum  
Schedule Of Significant Accounting Policies [Line Items]  
Property and equipment, useful life 4 years
Furniture and Fixtures | Maximum  
Schedule Of Significant Accounting Policies [Line Items]  
Property and equipment, useful life 8 years
Vehicles | Minimum  
Schedule Of Significant Accounting Policies [Line Items]  
Property and equipment, useful life 8 years
Vehicles | Maximum  
Schedule Of Significant Accounting Policies [Line Items]  
Property and equipment, useful life 10 years
Software  
Schedule Of Significant Accounting Policies [Line Items]  
Property and equipment, useful life 3 years
Other Assets  
Schedule Of Significant Accounting Policies [Line Items]  
Property and equipment, useful life 4 years
[1] Including renewal options