Goodwill And Intangible Assets (Changes In The Carrying Amount Of Goodwill) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2017 USD ($)
Goodwill [Line Items]
Balance at beginning of period	$ 13,387
Effect of foreign currency translation	1,481
Balance at end of period	14,868
Century Resorts Alberta [Member]
Goodwill [Line Items]
Balance at beginning of period	3,661
Effect of foreign currency translation	278
Balance at end of period	3,939
Century Downs Racetrack And Casino [Member]
Goodwill [Line Items]
Balance at beginning of period	141
Effect of foreign currency translation	11
Balance at end of period	152
Century Casino St. Albert [Member]
Goodwill [Line Items]
Balance at beginning of period	3,501
Effect of foreign currency translation	266
Balance at end of period	3,767
Casinos Poland Ltd [Member]
Goodwill [Line Items]
Balance at beginning of period	6,084
Effect of foreign currency translation	926
Balance at end of period	$ 7,010