Revenue Recognition (Disaggregation Of Company's Revenue From Contracts With Customers) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Net operating revenue	$ 136,761	$ 111,122	$ 245,268	$ 214,224
Corporate And Other [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	4	65	61	98
United States [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	94,408	70,313	160,772	135,556
Canada [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	18,834	19,037	35,342	35,039
Poland [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	23,515	21,707	49,093	43,531
Gaming [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	100,845	94,472	195,141	184,347
Gaming [Member] | Corporate And Other [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	4	54	61	84
Gaming [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	65,988	61,130	124,378	119,372
Gaming [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	11,598	11,910	22,199	21,887
Gaming [Member] | Poland [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	23,255	21,378	48,503	43,004
Pari-Mutuel, Sports Betting And iGaming [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	5,057	5,259	8,442	8,689
Pari-Mutuel, Sports Betting And iGaming [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	2,387	2,373	3,669	3,335
Pari-Mutuel, Sports Betting And iGaming [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	2,670	2,886	4,773	5,354
Hotel [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	12,235	2,541	14,757	4,615
Hotel [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	12,111	2,420	14,514	4,410
Hotel [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	124	121	243	205
Food And Beverage [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	11,818	6,026	17,586	11,064
Food And Beverage [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	8,569	3,063	11,678	5,996
Food And Beverage [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	3,010	2,747	5,438	4,662
Food And Beverage [Member] | Poland [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	239	216	470	406
Other [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	6,806	2,824	9,342	5,509
Other [Member] | Corporate And Other [Member]
Disaggregation of Revenue [Line Items]
Operating revenue		11		14
Other [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	5,353	1,327	6,533	2,443
Other [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	1,432	1,373	2,689	2,931
Other [Member] | Poland [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	21	113	120	121
Operating Segments [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	136,761	111,122	245,268	214,224
Operating Segments [Member] | Corporate And Other [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	4	65	61	98
Operating Segments [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	94,408	70,313	160,772	135,556
Operating Segments [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	18,834	19,037	35,342	35,039
Operating Segments [Member] | Poland [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	$ 23,515	$ 21,707	$ 49,093	$ 43,531