Goodwill And Intangible Assets (Changes In The Carrying Amount Of Goodwill) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2018 USD ($)
Goodwill [Line Items]
Balance at beginning of period	$ 15,162
Effect of foreign currency translation	(555)
Balance at end of period	14,607
Century Resorts Alberta [Member]
Goodwill [Line Items]
Balance at beginning of period	3,919
Effect of foreign currency translation	(120)
Balance at end of period	3,799
Century Downs Racetrack And Casino [Member]
Goodwill [Line Items]
Balance at beginning of period	151
Effect of foreign currency translation	(5)
Balance at end of period	146
Century Casino St. Albert [Member]
Goodwill [Line Items]
Balance at beginning of period	3,747
Effect of foreign currency translation	(116)
Balance at end of period	3,631
Casinos Poland Ltd [Member]
Goodwill [Line Items]
Balance at beginning of period	7,345
Effect of foreign currency translation	(314)
Balance at end of period	$ 7,031