Quarterly report pursuant to Section 13 or 15(d)

Segment, Geographical and Other Revenue Information - Concentration Risk (Details)

v3.21.1
Segment, Geographical and Other Revenue Information - Concentration Risk (Details) - Customer Concentration Risk [Member]
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Revenue, Product and Service Benchmark [Member] | Customer A [Member]      
Concentration Risk [Line Items]      
Concentration risk, percentage 28.00% 24.00%  
Revenue, Product and Service Benchmark [Member] | Customer B [Member]      
Concentration Risk [Line Items]      
Concentration risk, percentage   19.00%  
Revenue, Product and Service Benchmark [Member] | Customer C [Member]      
Concentration Risk [Line Items]      
Concentration risk, percentage 11.00% 15.00%  
Revenue, Product and Service Benchmark [Member] | Customer D [Member]      
Concentration Risk [Line Items]      
Concentration risk, percentage 10.00% 11.00%  
Revenue, Product and Service Benchmark [Member] | Customer E [Member]      
Concentration Risk [Line Items]      
Concentration risk, percentage 14.00%    
Accounts Receivable [Member] | Customer A [Member]      
Concentration Risk [Line Items]      
Concentration risk, percentage 41.00%   32.00%
Accounts Receivable [Member] | Customer B [Member]      
Concentration Risk [Line Items]      
Concentration risk, percentage     25.00%
Accounts Receivable [Member] | Customer C [Member]      
Concentration Risk [Line Items]      
Concentration risk, percentage 11.00%   13.00%
Accounts Receivable [Member] | Customer D [Member]      
Concentration Risk [Line Items]      
Concentration risk, percentage 12.00%    
Accounts Receivable [Member] | Customer E [Member]      
Concentration Risk [Line Items]      
Concentration risk, percentage 11.00%