Goodwill And Intangible Assets (Changes In The Carrying Amount Of Goodwill) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($)
Goodwill [Line Items]
Balance at beginning of period	$ 13,387
Effect of foreign currency translation	430
Balance at end of period	13,817
Century Resorts Alberta [Member]
Goodwill [Line Items]
Balance at beginning of period	3,661
Effect of foreign currency translation	29
Balance at end of period	3,690
Century Downs Racetrack And Casino [Member]
Goodwill [Line Items]
Balance at beginning of period	141
Effect of foreign currency translation	1
Balance at end of period	142
Century Casino St. Albert [Member]
Goodwill [Line Items]
Balance at beginning of period	3,501
Effect of foreign currency translation	28
Balance at end of period	3,529
Casinos Poland Ltd [Member]
Goodwill [Line Items]
Balance at beginning of period	6,084
Effect of foreign currency translation	372
Balance at end of period	$ 6,456