Revenue Recognition (Disaggregation Of Company's Revenue From Contracts With Customers) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Net operating revenue	$ 87,656	$ 45,613
Corporate And Other [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	980	1,496
United States [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	53,427	8,068
Canada [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	16,187	16,297
Poland [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	17,062	19,752
Gaming [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	74,292	37,340
Gaming [Member] | Corporate And Other [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	793	1,150
Gaming [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	46,535	6,799
Gaming [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	10,210	9,931
Gaming [Member] | Poland [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	16,754	19,460
Hotel [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	1,816	446
Hotel [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	1,733	321
Hotel [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	83	125
Food And Beverage [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	6,552	3,752
Food And Beverage [Member] | Corporate And Other [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	105	221
Food And Beverage [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	3,753	863
Food And Beverage [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	2,501	2,441
Food And Beverage [Member] | Poland [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	193	227
Other [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	4,996	4,075
Other [Member] | Corporate And Other [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	82	125
Other [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	1,406	85
Other [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	3,393	3,800
Other [Member] | Poland [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	$ 115	$ 65