Goodwill And Intangible Assets (Schedule Of Intangible Assets) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Finite-lived
Total finite-lived intangible assets, net	$ 21,790	$ 24,560
Indefinite-lived
Total indefinite-lived intangible assets	31,195	42,501
Total intangible assets, net	52,985	67,061
Casino Licenses [Member]
Indefinite-lived
Total indefinite-lived intangible assets	29,510	40,782
Trademarks [Member]
Indefinite-lived
Total indefinite-lived intangible assets	1,685	1,719
Casino Licenses [Member]
Finite-lived
Gross	2,898	2,960
Less: accumulated amortization	(1,227)	(882)
Total finite-lived intangible assets, net	1,671	2,078
Trademarks [Member]
Finite-lived
Gross	2,368	2,368
Less: accumulated amortization	(197)	(19)
Total finite-lived intangible assets, net	2,171	2,349
Player's Club Lists [Member]
Finite-lived
Gross	20,373	20,373
Less: accumulated amortization	(2,425)	(240)
Total finite-lived intangible assets, net	$ 17,948	$ 20,133