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Contingencies - Narrative (Details) |  | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
May 06, 2024 shares | Sep. 30, 2025 USD ($) | Oct. 27, 2025 USD ($) $ / shares shares | Dec. 31, 2024 USD ($) | May 05, 2024 USD ($)
VISA Class A Stock |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |
Current conversion ratio |  | 1.5223 |  |  |
VISA Class A Stock | Subsequent Event |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |
Closing price (in dollars per share) | $ / shares |  |  | $ 347.82 |  |
VISA Class B-1 | Subsequent Event |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |
Current value of shares owned | $ |  |  | $ 3,300,000 |  |
Visa Class B-2 | Subsequent Event |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |
Number of shares owned (in shares) |  |  | 6,283 |  |
Visa | Common Stock, Class B-1 |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |
Number of shares owned (in shares) | 12,566 |  |  |  |
Investments | $ |  |  |  |  | $ 0
Visa | Common Stock, Class C |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |
Exchange offer, shares received (in shares) | 2,493 |  |  |  |
Exchange offer, conversion ratio, non-affiliated holder (in shares) | 4 |  |  |  |
Visa | Visa Class B-2 |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |
Number of shares owned (in shares) | 6,283 |  |  |  |
Investments | $ |  | $ 0 |  | $ 0 |

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