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Derivative Financial Instruments - Visa Class B Restricted Shares (Details) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2023 USD ($) shares | Dec. 31, 2016 USD ($) shares | Sep. 30, 2024 USD ($) | Apr. 30, 2024 | Dec. 31, 2017
Class B restricted shares |  |  |  |  |
Visa Class B Restricted Shares |  |  |  |  |
Number of shares sold | shares | 120,000 |  |  |  |
Visa | Class B restricted shares |  |  |  |  |
Visa Class B Restricted Shares |  |  |  |  |
Net realized gain related to the sale of stock | $ |  | $ 22.7 |  |  |
Number of shares sold | shares |  | 274,000 |  |  |
Visa Derivative | Class B restricted shares |  |  |  |  |
Visa Class B Restricted Shares |  |  |  |  |
Conversion rate | 1.5875 |  | 1.5875 |  | 1.6483
Derivative liability value | $ | $ 2.3 |  | $ 2.3 |  |
Visa Derivative | Class B-2 shares |  |  |  |  |
Visa Class B Restricted Shares |  |  |  |  |
Conversion rate |  |  | 1.5430 |  |
Visa Derivative | Class C Shares |  |  |  |  |
Visa Class B Restricted Shares |  |  |  |  |
Conversion rate |  |  | 4.0000 | 4.0000 |

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