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, 2022
Edmonton [Member]
Description Of Business And Basis Of Presentation [Line Items]
Closure Date	December 13, 2020
Reopen Date	June 10, 2021
Calgary [Member]
Description Of Business And Basis Of Presentation [Line Items]
Closure Date	December 13, 2020
Reopen Date	June 10, 2021
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	May 28, 2021