Summary of Significant Accounting Policies - Services Provided to the Marketing Funds by Franchise (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended |
|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2026 |
|
| Summary of Significant Accounting Policies | ||
| Costs charged | $ 1.4 | $ 1.4 |