Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2023	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Revenues, net	$ 970,892	$ 948,174	$ 901,333	$ 1,849,507	$ 2,820,399	$ 3,757,719	$ 3,427,129	$ 2,833,736
United States (country of domicile)
Disaggregation of Revenue [Line Items]
Revenues, net						2,134,700	2,093,900	1,785,200
Brazil
Disaggregation of Revenue [Line Items]
Revenues, net						525,100	442,200	368,100
United Kingdom
Disaggregation of Revenue [Line Items]
Revenues, net						441,400	363,300	321,800
Other
Disaggregation of Revenue [Line Items]
Revenues, net						656,500	527,700	358,600
Vehicle Payments
Disaggregation of Revenue [Line Items]
Revenues, net						2,005,500	1,950,000	1,690,000
Corporate Payments
Disaggregation of Revenue [Line Items]
Revenues, net						981,100	769,600	598,200
Lodging Payments
Disaggregation of Revenue [Line Items]
Revenues, net						520,200	456,500	309,600
Other
Disaggregation of Revenue [Line Items]
Revenues, net						$ 250,900	$ 251,000	$ 235,900