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Acquisitions (Schedule Of Unaudited Pro Forma Information) (Details) - Acquired Casinos [Member] $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2019 USD ($) $ / shares
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] |
Net operating revenue | $ 422,716
Net (loss) earnings attributable to Century Casinos, Inc. shareholders | $ (13,588)
Basic and diluted (loss) earnings per share | $ / shares | $ (0.46)

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