Goodwill And Intangible Assets (Changes in Carrying Amount of Licenses) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Goodwill [Line Items]
Balance at begininng of period	$ 1,558
Amortization	(708)	$ (1,434)
Balance at end of period	2,175	1,558
Casinos Poland [Member]
Goodwill [Line Items]
Balance at begininng of period	1,558	667
New casino licenses	1,151	1,127
Amortization	(427)	(385)
Effect of foreign currency translation	(107)	149
Balance at end of period	2,175	1,558
Century Downs Racetrack And Casino [Member]
Goodwill [Line Items]
Balance at begininng of period	2,536	2,369
Purchase of Century Casino Bath
Effect of foreign currency translation	(204)	167
Balance at end of period	2,332	2,536
Century Casino St. Albert [Member]
Goodwill [Line Items]
Balance at begininng of period	9,744	9,104
Purchase of Century Casino Bath
Effect of foreign currency translation	(784)	640
Balance at end of period	8,960	9,744
Century Casino Bath [Member]
Goodwill [Line Items]
Balance at begininng of period	1,227
Purchase of Century Casino Bath		1,160
Effect of foreign currency translation	(66)	67
Balance at end of period	$ 1,161	$ 1,227