Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Revenues, net	$ 948,174	$ 861,278	$ 1,849,507	$ 1,650,519
United States
Disaggregation of Revenue [Line Items]
Revenues, net	534,700	527,700	1,048,400	999,500
Brazil
Disaggregation of Revenue [Line Items]
Revenues, net	126,100	111,800	247,800	214,400
United Kingdom
Disaggregation of Revenue [Line Items]
Revenues, net	111,200	93,400	218,900	188,000
Other
Disaggregation of Revenue [Line Items]
Revenues, net	$ 176,200	$ 128,400	$ 334,400	$ 248,700
Sales Revenue | Segment Concentration Risk
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	100.00%	100.00%	100.00%	100.00%
Sales Revenue | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	100.00%	100.00%	100.00%	100.00%
Sales Revenue | Geographic Concentration Risk | United States
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	56.00%	61.00%	57.00%	61.00%
Sales Revenue | Geographic Concentration Risk | Brazil
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	13.00%	13.00%	13.00%	13.00%
Sales Revenue | Geographic Concentration Risk | United Kingdom
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	12.00%	11.00%	12.00%	11.00%
Sales Revenue | Geographic Concentration Risk | Other
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	19.00%	15.00%	18.00%	15.00%
Fleet
Disaggregation of Revenue [Line Items]
Revenues, net	$ 382,609	$ 377,361	$ 755,321	$ 728,954
Fleet | Sales Revenue | Segment Concentration Risk
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	40.00%	44.00%	41.00%	44.00%
Corporate Payments
Disaggregation of Revenue [Line Items]
Revenues, net	$ 246,952	$ 189,699	$ 474,158	$ 373,467
Corporate Payments | Sales Revenue | Segment Concentration Risk
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	26.00%	22.00%	26.00%	23.00%
Lodging
Disaggregation of Revenue [Line Items]
Revenues, net	$ 136,564	$ 116,900	$ 258,898	$ 211,476
Lodging | Sales Revenue | Segment Concentration Risk
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	14.00%	14.00%	14.00%	13.00%
Brazil
Disaggregation of Revenue [Line Items]
Revenues, net	$ 126,081	$ 111,825	$ 247,825	$ 214,362
Brazil | Sales Revenue | Segment Concentration Risk
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	13.00%	13.00%	13.00%	13.00%
Other
Disaggregation of Revenue [Line Items]
Revenues, net	$ 55,968	$ 65,493	$ 113,305	$ 122,260
Other | Sales Revenue | Segment Concentration Risk
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	6.00%	8.00%	6.00%	7.00%