Goodwill And Intangible Assets (Changes in Carrying Amount of Licenses) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2018 USD ($)
Casinos Poland Ltd [Member]
Goodwill [Line Items]
Balance at begininng of period	$ 1,558
New casino licenses	1,151
Amortization	307
Effect of foreign currency translation	(31)
Balance at end of period	2,371
Century Downs Racetrack And Casino [Member]
Goodwill [Line Items]
Balance at begininng of period	2,536
Effect of foreign currency translation	(78)
Balance at end of period	2,458
Century Casino St. Albert [Member]
Goodwill [Line Items]
Balance at begininng of period	9,744
Effect of foreign currency translation	(301)
Balance at end of period	9,443
Century Casino Bath [Member]
Goodwill [Line Items]
Balance at begininng of period	1,227
Effect of foreign currency translation	(44)
Balance at end of period	$ 1,183