Segment Information (Details) - Customer concentration risk - Accounts receivable	Sep. 30, 2020	Dec. 31, 2019
Customer 1
Concentration risk
Customer concentration risk	18.00%
Customer 2
Concentration risk
Customer concentration risk	12.00%
Customer 3
Concentration risk
Customer concentration risk	11.00%
Customer 4
Concentration risk
Customer concentration risk		19.00%
Customer 5
Concentration risk
Customer concentration risk		14.00%