Description Of Business And Basis Of Presentation (Summary Of The Time Period Casinos Closure And Reopen With Gaming Floor Open) (Details)	3 Months Ended
	Mar. 31, 2021
Colorado [Member]
Description Of Business And Basis Of Presentation [Line Items]
Closure Date	March 17, 2020
Reopen Date	June 15 and June 17, 2020
Gaming Floor Open	80.00%
Missouri [Member]
Description Of Business And Basis Of Presentation [Line Items]
Closure Date	March 17, 2020
Reopen Date	June 1, 2020
Gaming Floor Open	94.00%
West Virginia [Member]
Description Of Business And Basis Of Presentation [Line Items]
Closure Date	March 17, 2020
Reopen Date	June 5, 2020
Gaming Floor Open	85.00%
Edmonton [Member]
Description Of Business And Basis Of Presentation [Line Items]
Closure Date	March 17, 2020
Reopen Date	June 13, 2020
Edmonton [Member]
Description Of Business And Basis Of Presentation [Line Items]
Closure Date	December 13, 2020
Reopen Date	Currently Closed
Calgary [Member]
Description Of Business And Basis Of Presentation [Line Items]
Closure Date	March 17, 2020
Reopen Date	June 13, 2020
Calgary [Member]
Description Of Business And Basis Of Presentation [Line Items]
Closure Date	December 13, 2020
Reopen Date	Currently Closed
Poland [Member]
Description Of Business And Basis Of Presentation [Line Items]
Closure Date	March 13, 2020
Reopen Date	May 18, 2020
Poland [Member]
Description Of Business And Basis Of Presentation [Line Items]
Closure Date	December 29, 2020
Reopen Date	February 12, 2021
Poland [Member]
Description Of Business And Basis Of Presentation [Line Items]
Closure Date	March 20, 2021
Reopen Date	Currently Closed (2)
Expected To Reopen Date	May 8, 2021
CTL [Member] | Colorado [Member]
Description Of Business And Basis Of Presentation [Line Items]
Gaming Floor Open	66.00%
CRC And CTL [Member] | Colorado [Member]
Description Of Business And Basis Of Presentation [Line Items]
Gaming Floor Reopen Date	February 2021