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Acquisitions And Investments (Narrative) (Details) |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Oct. 31, 2014 USD ($) | Oct. 31, 2014 USD ($) | Dec. 31, 2014 USD ($) | Sep. 30, 2015 USD ($) employee | Dec. 31, 2014 USD ($)
Business Acquisition [Line Items] |  |  |  |  |
Cost investment |  |  | $ 1,000,000 | $ 1,000,000 | $ 1,000,000
Century Bets! Inc. [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Acquisition costs |  |  | $ 100,000 |  |
Century Casinos Europe GmbH [Member] | Mendoza Central Entretenimientos S. A. [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Ownership interest | 7.50% | 7.50% |  |  |
Acquisition costs |  |  |  |  | $ 200,000
Period of option to purchase additional equity interest |  |  |  | $ 3 |
Additional interest to purchase under option, percentage |  |  |  | 50.00% |
Investment in Mendoza Central Entretenmientos S.A. | $ 1,000,000 | $ 1,000,000 |  |  |
Number of directors appointed | employee |  |  |  | 1 |
Century Casinos Europe GmbH [Member] | Century Bets! Inc. [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Ownership percentage |  |  |  | 75.00% |
Number of directors appointed | employee |  |  |  | 3 |
Rocky Mountain Turf Club [Member] | Century Bets! Inc. [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Ownership interest |  |  |  | 25.00% |

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