Goodwill And Intangible Assets (Changes in Carrying Amounts) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($)
Goodwill [Line Items]
Balance at beginning of period	$ 1,859
Effect of foreign currency translation	(121)
Balance at end of period	1,738
Century Casinos [Member]
Goodwill [Line Items]
Balance at beginning of period	108
Balance at end of period	108
Casinos Poland Ltd [Member]
Goodwill [Line Items]
Balance at beginning of period	1,751
Effect of foreign currency translation	(121)
Balance at end of period	$ 1,630