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Nature of Business and Basis of Presentation (Details) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 USD ($) property | Jun. 30, 2020 USD ($) shares | Jun. 30, 2021 USD ($) numberOfSegment property | Jun. 30, 2020 USD ($) shares
Nature Of Business And Basis Of Presentation [Line Items] |  |  |  |
Number of reportable operating segments | numberOfSegment |  |  | 2 |
Anti-dilutive potential common share equivalents excluded (in shares) | shares |  | 345,655 |  | 758,974
Revolving Credit Facility |  |  |  |
Nature Of Business And Basis Of Presentation [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 200,000,000 |  | $ 200,000,000 |
COVID-19 |  |  |  |
Nature Of Business And Basis Of Presentation [Line Items] |  |  |  |
Reduction in rent expense | $ 600,000 | $ 8,800,000 | $ 2,300,000 | $ 8,800,000
Nevada and Maryland |  |  |  |
Nature Of Business And Basis Of Presentation [Line Items] |  |  |  |
Number of resort casino properties | property | 10 |  | 10 |

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