Revenue Recognition (Disaggregation Of Company's Revenue From Contracts With Customers) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Net operating revenue	$ 430,529	$ 388,506	$ 304,268
Corporate And Other [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	206	567	1,413
United States [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	268,582	283,285	198,344
Canada [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	71,572	46,428	50,240
Poland [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	90,169	58,226	54,271
Gaming [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	365,986	331,877	253,281
Gaming [Member] | Corporate And Other [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	184	152	830
Gaming [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	232,871	249,397	168,904
Gaming [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	43,972	25,604	30,319
Gaming [Member] | Poland [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	88,959	56,724	53,228
Pari-Mutuel, Sports Betting And iGaming [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	19,607	18,848	17,660
Pari-Mutuel, Sports Betting And iGaming [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	8,728	8,492	7,502
Pari-Mutuel, Sports Betting And iGaming [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	10,879	10,356	10,158
Hotel Project [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	9,628	8,286	5,910
Hotel Project [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	9,159	8,241	5,826
Hotel Project [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	469	45	84
Food And Beverage [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	24,097	17,788	16,194
Food And Beverage [Member] | Corporate And Other [Member]
Disaggregation of Revenue [Line Items]
Operating revenue			105
Food And Beverage [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	12,394	11,761	9,795
Food And Beverage [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	10,860	5,606	5,832
Food And Beverage [Member] | Poland [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	843	421	462
Other [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	11,211	11,707	11,223
Other [Member] | Corporate And Other [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	22	415	478
Other [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	5,430	5,394	6,317
Other [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	5,392	4,817	3,847
Other [Member] | Poland [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	$ 367	$ 1,081	$ 581