Goodwill And Intangible Assets (Changes in Carrying Amounts) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Goodwill [Line Items]
Balance at beginning of period	$ 1,558	$ 1,654
Effect of foreign currency translation	301	(96)
Balance at end of period	1,859	1,558
Century Casinos [Member]
Goodwill [Line Items]
Balance at beginning of period	108	108
Effect of foreign currency translation	0	0
Balance at end of period	108	108
Casinos Poland Ltd [Member]
Goodwill [Line Items]
Balance at beginning of period	1,450	1,546
Effect of foreign currency translation	301	(96)
Balance at end of period	$ 1,751	$ 1,450