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Goodwill And Intangible Assets (Changes In The Carrying Amount Of Goodwill) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Goodwill [Line Items] |  |
Balance at beginning of period | $ 13,387 | $ 10,173
Purchase of Century Casino St. Albert |  | 3,584
Effect of foreign currency translation | 1,775 | (370)
Balance at end of period | 15,162 | 13,387
Century Resorts Alberta [Member] |  |
Goodwill [Line Items] |  |
Balance at beginning of period | 3,661 | 3,551
Purchase of Century Casino St. Albert |  | 0
Effect of foreign currency translation | 258 | 110
Balance at end of period | 3,919 | 3,661
Century Downs Racetrack And Casino [Member] |  |
Goodwill [Line Items] |  |
Balance at beginning of period | 141 | 137
Purchase of Century Casino St. Albert |  | 0
Effect of foreign currency translation | 10 | 4
Balance at end of period | 151 | 141
Century Casino St. Albert [Member] |  |
Goodwill [Line Items] |  |
Balance at beginning of period | 3,501 | 0
Purchase of Century Casino St. Albert |  | 3,584
Effect of foreign currency translation | 246 | (83)
Balance at end of period | 3,747 | 3,501
Casinos Poland Ltd [Member] |  |
Goodwill [Line Items] |  |
Balance at beginning of period | 6,084 | 6,485
Purchase of Century Casino St. Albert |  | 0
Effect of foreign currency translation | 1,261 | (401)
Balance at end of period | $ 7,345 | $ 6,084

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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