Significant Accounting Policies and Basis of Presentation - Gaming and Pari-mutuel Taxes (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Accounting Policies [Abstract] | ||||
| Gaming taxes | $ 709.0 | $ 644.9 | $ 1,400.0 | $ 1,300.0 |