Nature of Business and Basis of Presentation (Details)	3 Months Ended
	Mar. 31, 2021 USD ($) numberOfSegment property	Mar. 31, 2020 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		1,141,739
Revolving Credit Facility
Nature Of Business And Basis Of Presentation [Line Items]
Line of credit facility, maximum borrowing capacity	$ 200,000,000
COVID-19
Nature Of Business And Basis Of Presentation [Line Items]
Reduction in rent expense	$ 1,700,000
Nevada and Maryland
Nature Of Business And Basis Of Presentation [Line Items]
Number of resort casino properties | property	10