Goodwill And Intangible Assets (Changes In The Carrying Amount Of Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Goodwill [Line Items]
Balance at beginning of period	$ 13,387	$ 10,173
Purchase of Century Casino St. Albert		3,584
Effect of foreign currency translation	1,775	(370)
Balance at end of period	15,162	13,387
Century Resorts Alberta [Member]
Goodwill [Line Items]
Balance at beginning of period	3,661	3,551
Purchase of Century Casino St. Albert		0
Effect of foreign currency translation	258	110
Balance at end of period	3,919	3,661
Century Downs Racetrack And Casino [Member]
Goodwill [Line Items]
Balance at beginning of period	141	137
Purchase of Century Casino St. Albert		0
Effect of foreign currency translation	10	4
Balance at end of period	151	141
Century Casino St. Albert [Member]
Goodwill [Line Items]
Balance at beginning of period	3,501	0
Purchase of Century Casino St. Albert		3,584
Effect of foreign currency translation	246	(83)
Balance at end of period	3,747	3,501
Casinos Poland Ltd [Member]
Goodwill [Line Items]
Balance at beginning of period	6,084	6,485
Purchase of Century Casino St. Albert		0
Effect of foreign currency translation	1,261	(401)
Balance at end of period	$ 7,345	$ 6,084