Goodwill And Intangible Assets (Schedule Of Intangible Assets) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Finite-lived
Total finite-lived intangible assets, net	$ 23,483	$ 24,560
Indefinite-lived
Total indefinite-lived intangible assets	30,404	42,501
Total intangible assets, net	53,887	67,061
Casino Licenses [Member]
Indefinite-lived
Total indefinite-lived intangible assets	28,820	40,782
Trademarks [Member]
Indefinite-lived
Total indefinite-lived intangible assets	1,584	1,719
Casino Licenses [Member]
Finite-lived
Gross	2,712	2,960
Less: accumulated amortization	(921)	(882)
Total finite-lived intangible assets, net	1,791	2,078
Trademarks [Member]
Finite-lived
Gross	2,368	2,368
Less: accumulated amortization	(79)	(19)
Total finite-lived intangible assets, net	2,289	2,349
Player's Club Lists [Member]
Finite-lived
Gross	20,373	20,373
Less: accumulated amortization	(970)	(240)
Total finite-lived intangible assets, net	$ 19,403	$ 20,133