Revenue - Schedules of Customers Accounting for More Than 10% of Total Revenue (Details) - Total revenue - Customer Concentration Risk	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Customer A
Disaggregation of Revenue [Line Items]
Concentration risk	38.50%	51.00%	45.80%	62.60%
Customer B
Disaggregation of Revenue [Line Items]
Concentration risk	12.60%	17.90%	12.50%	16.60%
Customer C
Disaggregation of Revenue [Line Items]
Concentration risk	10.90%	0.00%	5.80%	0.00%