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Goodwill And Intangible Assets (Changes in Carrying Amount of Licenses) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Goodwill [Line Items] |  |
Balance at begininng of period | $ 667 |
Less: accumulated amortization | (1,434) | $ (1,362)
Balance at end of period | 1,558 | 667
Casinos Poland Ltd [Member] |  |
Goodwill [Line Items] |  |
Balance at begininng of period | 667 | 730
New casino licenses | 1,127 | 339
Less: accumulated amortization | 385 | 368
Effect of foreign currency translation | 149 | (34)
Balance at end of period | 1,558 | 667
Century Downs Racetrack And Casino [Member] |  |
Goodwill [Line Items] |  |
Balance at begininng of period | 2,369 | 2,298
New casino licenses | 0 | 0
Effect of foreign currency translation | 167 | 71
Balance at end of period | 2,536 | 2,369
Century Casino St. Albert [Member] |  |
Goodwill [Line Items] |  |
Balance at begininng of period | 9,104 | 0
New casino licenses | 0 | 9,318
Effect of foreign currency translation | 640 | (214)
Balance at end of period | 9,744 | 9,104
Saw Close Casino Ltd. [Member] |  |
Goodwill [Line Items] |  |
Balance at begininng of period | 0 | 0
New casino licenses | 1,160 | 0
Effect of foreign currency translation | 67 | 0
Balance at end of period | $ 1,227 | $ 0

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References No definition available. + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References No definition available. + Details
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- Definition 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. + References No definition available. + Details
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- Details
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- Details
Name: | dei_LegalEntityAxis=cnty_CenturyDownsRacetrackAndCasinoMember
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Name: | dei_LegalEntityAxis=cnty_CenturyCasinoSt.AlbertMember
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