Condensed Consolidated Statements Of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Condensed Consolidated Statements Of Comprehensive Loss [Abstract]
Net loss	$ (1,903)	$ (45,661)
Other comprehensive (loss) income
Foreign currency translation adjustments	747	(13,727)
Other comprehensive income (loss)	747	(13,727)
Comprehensive loss	(1,156)	(59,388)
Comprehensive (loss) income attributable to non-controlling interests
Net loss (earnings) attributable to non-controlling interests	484	(195)
Foreign currency translation adjustments	269	889
Comprehensive loss attributable to Century Casinos, Inc. shareholders	$ (403)	$ (58,694)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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