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Nature of Business and Basis of Presentation (Details Textual)
3 Months Ended
Mar. 31, 2020
Segment
Property
shares
Mar. 31, 2019
shares
Nature Of Business And Basis Of Presentation [Line Items]    
Number of reportable operating segments | Segment 2  
Anti-dilutive potential common share equivalents excluded | shares 1,141,739 1,047,804
Nevada and Maryland [Member]    
Nature Of Business And Basis Of Presentation [Line Items]    
Number of resort casino properties | Property 10