Goodwill And Intangible Assets (Schedule Of Intangible Assets) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Finite-lived
Total finite-lived intangible assets, net	$ 19,941	$ 20,946
Indefinite-lived
Total indefinite-lived intangible assets	31,862	31,812
Total intangible assets, net	51,803	52,758
Casino Licenses [Member]
Indefinite-lived
Total indefinite-lived intangible assets	30,212	30,061
Trademarks [Member]
Indefinite-lived
Total indefinite-lived intangible assets	1,650	1,751
Casino Licenses [Member]
Finite-lived
Gross	2,833	3,019
Less: accumulated amortization	(1,436)	(1,404)
Total finite-lived intangible assets, net	1,397	1,615
Trademarks [Member]
Finite-lived
Gross	2,368	2,368
Less: accumulated amortization	(316)	(257)
Total finite-lived intangible assets, net	2,052	2,111
Player's Club Lists [Member]
Finite-lived
Gross	20,373	20,373
Less: accumulated amortization	(3,881)	(3,153)
Total finite-lived intangible assets, net	$ 16,492	$ 17,220