Revenue Recognition (Disaggregation Of Company's Revenue From Contracts With Customers) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Net operating revenue	$ 112,552	$ 116,610	$ 326,776	$ 281,207
Corporate And Other [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	36	194	131	456
United States [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	70,718	73,897	206,275	214,969
Canada [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	20,065	21,368	55,105	30,031
Poland [Member]
Disaggregation of Revenue [Line Items]
Net operating revenue	21,733	21,151	65,265	35,751
Gaming [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	93,505	98,366	277,853	240,694
Gaming [Member] | Corporate And Other [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	36	69	120	84
Gaming [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	60,150	64,569	179,524	190,159
Gaming [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	11,841	12,917	33,728	15,937
Gaming [Member] | Poland [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	21,478	20,811	64,481	34,514
Pari-Mutuel, Sports Betting And iGaming [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	6,067	6,200	14,755	13,342
Pari-Mutuel, Sports Betting And iGaming [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	2,965	2,617	6,300	5,825
Pari-Mutuel, Sports Betting And iGaming [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	3,102	3,583	8,455	7,517
Hotel Project [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	2,619	2,243	7,234	6,214
Hotel Project [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	2,485	2,243	6,895	6,214
Hotel Project [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	134		339
Food And Beverage [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	7,031	6,078	18,095	12,401
Food And Beverage [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	3,319	2,950	9,314	8,676
Food And Beverage [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	3,509	2,962	8,171	3,504
Food And Beverage [Member] | Poland [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	203	166	610	221
Other [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	3,330	3,723	8,839	8,556
Other [Member] | Corporate And Other [Member]
Disaggregation of Revenue [Line Items]
Operating revenue		125	11	372
Other [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	1,799	1,518	4,242	4,095
Other [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	1,479	1,906	4,412	3,073
Other [Member] | Poland [Member]
Disaggregation of Revenue [Line Items]
Operating revenue	$ 52	$ 174	$ 174	$ 1,016