Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Revenues, net	$ 970,892	$ 893,000	$ 2,820,399	$ 2,543,519
United States
Disaggregation of Revenue [Line Items]
Revenues, net	561,400	558,300	1,609,800	1,557,700
Brazil
Disaggregation of Revenue [Line Items]
Revenues, net	134,200	108,600	382,000	322,900
United Kingdom
Disaggregation of Revenue [Line Items]
Revenues, net	114,500	90,400	333,400	278,400
Other
Disaggregation of Revenue [Line Items]
Revenues, net	$ 160,800	$ 135,800	$ 495,200	$ 384,500
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)	58.00%	63.00%	57.00%	61.00%
Sales Revenue | Geographic Concentration Risk | Brazil
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	14.00%	12.00%	14.00%	13.00%
Sales Revenue | Geographic Concentration Risk | United Kingdom
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	12.00%	10.00%	12.00%	11.00%
Sales Revenue | Geographic Concentration Risk | Other
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	17.00%	15.00%	18.00%	15.00%
Fleet
Disaggregation of Revenue [Line Items]
Revenues, net	$ 365,502	$ 395,203	$ 1,120,823	$ 1,124,157
Fleet | Sales Revenue | Segment Concentration Risk
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	38.00%	44.00%	40.00%	44.00%
Corporate Payments
Disaggregation of Revenue [Line Items]
Revenues, net	$ 258,800	$ 196,941	$ 732,958	$ 570,408
Corporate Payments | Sales Revenue | Segment Concentration Risk
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	27.00%	22.00%	26.00%	22.00%
Lodging
Disaggregation of Revenue [Line Items]
Revenues, net	$ 141,389	$ 125,961	$ 400,287	$ 337,438
Lodging | Sales Revenue | Segment Concentration Risk
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	15.00%	14.00%	14.00%	13.00%
Brazil
Disaggregation of Revenue [Line Items]
Revenues, net	$ 134,172	$ 108,583	$ 381,998	$ 322,945
Brazil | Sales Revenue | Segment Concentration Risk
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	14.00%	12.00%	14.00%	13.00%
Other
Disaggregation of Revenue [Line Items]
Revenues, net	$ 71,029	$ 66,312	$ 184,333	$ 188,571
Other | Sales Revenue | Segment Concentration Risk
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	7.00%	7.00%	7.00%	7.00%