Significant Accounting Policies - Summary of Concentration of Credit Risk (Details) - Sales Revenue - Customer Concentration Risk |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2022 |
Sep. 30, 2021 |
Sep. 30, 2022 |
Sep. 30, 2021 |
|
Government Solutions | City of New York Department of Transportation | ||||
Concentration Risk [Line Items] | ||||
Concentration risk percentage | 20.50% | 25.50% | 19.50% | 25.60% |
Commercial Services | Hertz Corporation | ||||
Concentration Risk [Line Items] | ||||
Concentration risk percentage | 12.60% | 12.90% | 11.80% | 13.20% |
Commercial Services | Avis Budget Group, Inc. | ||||
Concentration Risk [Line Items] | ||||
Concentration risk percentage | 13.90% | 13.50% | 12.90% | 12.80% |
Commercial Services | Enterprise Holdings, Inc. | ||||
Concentration Risk [Line Items] | ||||
Concentration risk percentage | 10.30% | 10.90% | 9.70% | 12.40% |