Goodwill And Intangible Assets (Changes In Carrying Amount - Indefinited-Lived) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Indefinite-lived Intangible Assets [Line Items]
Impairment	$ 0
Trademarks [Member]
Indefinite-lived Intangible Assets [Line Items]
Balance at beginning of the period	1,730	$ 1,859
Currency translation	(11)	(129)
Balance at end of the period	1,719	1,730
Trademarks [Member] \| Corporate And Other [Member]
Indefinite-lived Intangible Assets [Line Items]
Balance at beginning of the period	108	108
Currency translation
Balance at end of the period	108	108
Casino Licenses [Member]
Indefinite-lived Intangible Assets [Line Items]
Balance at beginning of the period	12,453	13,507
Acquisition	28,922
Impairment	(1,190)
Currency translation	597	(1,054)
Balance at end of the period	40,782	12,453
Casino Licenses [Member] \| Corporate And Other [Member]
Indefinite-lived Intangible Assets [Line Items]
Balance at beginning of the period	1,161	1,227
Acquisition
Impairment	(1,190)
Currency translation	29	(66)
Balance at end of the period		1,161
Poland [Member] \| Trademarks [Member]
Indefinite-lived Intangible Assets [Line Items]
Balance at beginning of the period	1,622	1,751
Currency translation	(11)	(129)
Balance at end of the period	1,611	1,622
United States [Member] \| Casino Licenses [Member]
Indefinite-lived Intangible Assets [Line Items]
Balance at beginning of the period
Acquisition	28,922
Impairment
Currency translation
Balance at end of the period	28,922
Canada [Member] \| Casino Licenses [Member]
Indefinite-lived Intangible Assets [Line Items]
Balance at beginning of the period	11,292	12,280
Acquisition
Impairment
Currency translation	568	(988)
Balance at end of the period	$ 11,860	$ 11,292

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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- Definition

Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition.

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