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Goodwill And Intangible Assets (Narrative) (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2020 USD ($) | Sep. 30, 2021 item | Sep. 30, 2020 USD ($)
Finite-Lived Intangible Assets [Line Items] |  |  |
Number of trademarks | item |  | 3 |
Goodwill, acquisition | $ 1,200 |  |
Impairment - intangible and tangible assets |  |  | $ 35,121
Player's Club Lists [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Useful life |  | 7 years |
Player's Club Lists [Member] | Weighted Average [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization period |  | 5 years 2 months 12 days |
Mountaineer Casino [Member] | Trademarks [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Useful life |  | 10 years |
Mountaineer Casino [Member] | Trademarks [Member] | Weighted Average [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization period |  | 8 years 2 months 12 days |
Casinos Poland [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Number of casino licenses | item |  | 8 |
Useful life |  | 6 years |
Weighted-average period before the next renewal of casino licenses |  | 2 years 4 months 24 days |
Reporting Units [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Impairment - intangible and tangible assets |  |  | $ 34,100

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