Segment, Geographical and Other Revenue Information - Concentration Risk (Details) - Customer Concentration Risk	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Customer A | Revenue, Product and Service Benchmark
Concentration Risk [Line Items]
Concentration risk, percentage	33.00%
Customer A | Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, percentage	62.00%
Customer B | Revenue, Product and Service Benchmark
Concentration Risk [Line Items]
Concentration risk, percentage	11.00%	26.00%	28.00%
Customer B | Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, percentage		32.00%
Customer C | Revenue, Product and Service Benchmark
Concentration Risk [Line Items]
Concentration risk, percentage		19.00%
Customer D | Revenue, Product and Service Benchmark
Concentration Risk [Line Items]
Concentration risk, percentage		11.00%	15.00%
Customer D | Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, percentage		13.00%
Customer E | Revenue, Product and Service Benchmark
Concentration Risk [Line Items]
Concentration risk, percentage			23.00%
Customer E | Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, percentage		25.00%