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Condensed Consolidated Financial Statements - Additional Information (Details) - USD ($) $ in Millions | Jul. 23, 2019 | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Condensed Financial Statements, Captions [Line Items] |  |  |
Amount of off balance sheet settlement funds |  | $ 164.5 | $ 274.0
India payment technology and services company |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Payments to acquire investment interest | $ 18.3 |  |
Percentage of voting interests acquired | 30.00% |  |
Equity method investment, amount recorded |  | $ 18.8 | 18.5
Level 2 | Senior Notes | 5.750% Senior Notes due 2026 |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Stated interest rate (percentage) |  | 5.75% |
Fair value of long-term debt |  | $ 423.0 | $ 432.0

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