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Natural Disaster (Details) $ in Millions |  | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2021 USD ($) facility | Aug. 31, 2021 facility | Sep. 30, 2021 USD ($) facility | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) facility | Sep. 30, 2020 USD ($)
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items] |  |  |  |  |  |
Operating expenses |  |  | $ 325.4 | $ 288.3 | $ 982.7 | $ 738.3
Hurricane |  |  |  |  |  |
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items] |  |  |  |  |  |
Number of off-track betting facilities damaged | facility |  | 15 |  |  |  |
Number of off-track betting facilities closed | facility | 2 |  | 2 |  | 2 |
Reduction of property and equipment | $ 3.1 |  |  |  |  |
Operating expenses | 2.2 |  |  |  |  |
Insurance recovery receivable | $ 5.3 |  | $ 5.3 |  | $ 5.3 |

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