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Segment Information - Additional Information (Details) slot_machine in Thousands, $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 USD ($) game Segments sportsbook state slot_machine | Dec. 31, 2020 USD ($)
Schedule of Equity Method Investments [Line Items] |  |
Number of operating segments | Segments | 3 |
Number of slot machines | slot_machine | 11 |
Number of table games | game | 200 |
Number of states in which Gaming segment has slot machines and video lottery terminals | state | 8 |
Total assets | $ 2,787.1 | $ 2,686.4
All Other | Segment Reconciling Items |  |
Schedule of Equity Method Investments [Line Items] |  |
Total assets | $ 99.8 |
Gaming |  |
Schedule of Equity Method Investments [Line Items] |  |
Number of sportsbooks | sportsbook | 6 |
Oak Grove | Live and Historical Racing |  |
Schedule of Equity Method Investments [Line Items] |  |
Total assets |  | 196.4
Turfway Park | Live and Historical Racing |  |
Schedule of Equity Method Investments [Line Items] |  |
Total assets |  | 52.1
Newport | Live and Historical Racing |  |
Schedule of Equity Method Investments [Line Items] |  |
Total assets |  | $ 37.9
Rivers Des Plaines |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity method investment, ownership percentage | 61.30% | 61.30%
Miami Valley Gaming LLC |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity method investment, ownership percentage | 50.00% | 50.00%

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