Goodwill And Intangible Assets (Changes in Carrying Amounts) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Goodwill [Line Items]
Balance at beginning of period	$ 1,730
Balance at end of period	1,700
Trademark [Member]
Goodwill [Line Items]
Balance at beginning of period	1,730
Effect of foreign currency translation	(30)
Balance at end of period	1,700
Century Casinos [Member] | Trademark [Member]
Goodwill [Line Items]
Balance at beginning of period	108
Balance at end of period	108
Casinos Poland [Member] | Trademark [Member]
Goodwill [Line Items]
Balance at beginning of period	1,622
Effect of foreign currency translation	(30)
Balance at end of period	$ 1,592