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Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Deferred revenue contract liabilities	$ 42.6	$ 42.6	$ 57.7
Deferred revenue recognized		31.9
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-01
Disaggregation of Revenue [Line Items]
Revenues to be recognized	$ 27.6	$ 27.6
Revenues to be recognized, period	12 months	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-10-01
Disaggregation of Revenue [Line Items]
Revenues to be recognized	$ 15.0	$ 15.0
Revenues to be recognized, period	5 years	5 years
RUSSIAN FEDERATION
Disaggregation of Revenue [Line Items]
Cash			$ 215.8
Contracts with customers \| Sales Revenue \| Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	84.00%	85.00%
Late Fees and Finance Charges \| Sales Revenue \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	4.00%	5.00%
Derivatives, Cross-Border Payments Business \| Sales Revenue \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Consolidated revenues, net (percent)	9.00%	8.00%