Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Concentration Risk (Details)

v3.21.1
Summary of Significant Accounting Policies - Concentration Risk (Details) - Accounts Receivable
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Customer A    
Concentration Risk [Line Items]    
Concentration risk, percentage 20.00% 0.00%
Customer B    
Concentration Risk [Line Items]    
Concentration risk, percentage 19.00% 0.00%
Customer C    
Concentration Risk [Line Items]    
Concentration risk, percentage 18.00% 16.00%
Customer D    
Concentration Risk [Line Items]    
Concentration risk, percentage 0.00% 55.00%
Customer E    
Concentration Risk [Line Items]    
Concentration risk, percentage 0.00% 13.00%
Customer F    
Concentration Risk [Line Items]    
Concentration risk, percentage 25.00% 0.00%