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Goodwill And Intangible Assets (Narrative) (Details) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2018 USD ($) item | Sep. 30, 2017 USD ($)
Finite-Lived Intangible Assets [Line Items] |  |
Impairment charges related to goodwill | $ 0 |
Number of trademarks | item | 2 |
Impairment charges related to trademarks | $ 0 |
License impairment charges | $ 0 | $ 0
Casinos Poland Ltd [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Number of casino licenses | item | 8 |
Term of casino licenses, years | 6 years |
Weighted-average period before the next renewal of casino licenses | 4 years 7 months 6 days |

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13777-109266 + Details
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