Revenue - Schedules of Customers Accounting for More Than 10% of Total Revenue (Details) - Total revenue - Customer Concentration Risk	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Customer A
Disaggregation of Revenue [Line Items]
Concentration risk	25.70%	51.60%	39.30%	57.30%
Customer B
Disaggregation of Revenue [Line Items]
Concentration risk	12.90%	10.30%	5.40%	13.60%
Customer C
Disaggregation of Revenue [Line Items]
Concentration risk	0.00%	13.20%	0.00%	6.40%