Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Significant Accounting Policies - Concentration of Risk (Details)

v3.20.2
Basis of Presentation and Significant Accounting Policies - Concentration of Risk (Details) - Customer Concentration Risk - customer
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Trade Receivables          
Concentration of Risk          
Number of major partners     1   1
Concentration risk (as a percent)     100.00%   100.00%
Revenues          
Concentration of Risk          
Number of major partners 1 3 2 1  
Concentration risk (as a percent) 88.00%     88.00%  
Revenues | Partner 1          
Concentration of Risk          
Concentration risk (as a percent)   52.00% 56.00%    
Revenues | Partner 2          
Concentration of Risk          
Concentration risk (as a percent)   35.00% 40.00%    
Revenues | Partner 3          
Concentration of Risk          
Concentration risk (as a percent)   10.00%