Goodwill And Intangible Assets (Changes in Carrying Amount of Licenses) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($)
Casinos Poland Ltd [Member]
Goodwill [Line Items]
Balance at begininng of period	$ 667
Amortization	(85)
Effect of foreign currency translation	39
Balance at end of period	621
Century Downs Racetrack And Casino [Member]
Goodwill [Line Items]
Balance at begininng of period	2,369
Effect of foreign currency translation	18
Balance at end of period	2,387
Century Casino St. Albert [Member]
Goodwill [Line Items]
Balance at begininng of period	9,104
Effect of foreign currency translation	72
Balance at end of period	$ 9,176