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Investments (Narrative) (Details) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Oct. 31, 2014 USD ($) | Oct. 31, 2014 employee | Jun. 30, 2020 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021
Business Acquisition [Line Items] |  |  |  |  |
Impairment - intangible and tangible assets |  |  | $ 1,157 | $ 35,121 |
Century Resorts Management GmbH [Member] | Mendoza Central Entretenimientos S. A. [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Investment in Mendoza Central Entretenmientos S.A. | $ 1,000 |  |  |  |
Number of directors appointed | employee |  | 1 |  |  |
Mendoza Central Entretenimientos S. A. [Member] | Century Resorts Management GmbH [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Ownership interest | 7.50% | 7.50% |  |  | 7.50%
Corporate And Other [Member] | Mendoza Central Entretenimientos S. A. [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Impairment - intangible and tangible assets |  |  |  | $ 1,000 |

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