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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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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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