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Goodwill And Intangible Assets (Narrative) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended | 3 Months Ended
--- | --- | --- | ---
Mar. 31, 2015 item | Dec. 31, 2014 | Jun. 30, 2014
Finite-Lived Intangible Assets [Line Items] |  |  |
Impairment charges related to goodwill | $ 0 us-gaap_GoodwillImpairmentLoss | $ 0 us-gaap_GoodwillImpairmentLoss |
Number of trademarks | 2 cnty_NumberOfTrademarks |  |
Impairment charges related to trademarks | 0 us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill |  |
Sosnowiec Casino License [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Impairment charges |  |  | 200 us-gaap_ImpairmentOfIntangibleAssetsFinitelived / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = cnty_SosnowiecCasinoLicenseMember
AGLC [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Number of casino licenses | 1 cnty_NumberOfCasinoLicenses / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = cnty_AglcMember |  |
HRA [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Number of casino licenses | 1 cnty_NumberOfCasinoLicenses / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = cnty_HraMember |  |
Casinos Poland Ltd [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Number of casino licenses | 9 cnty_NumberOfCasinoLicenses / dei_LegalEntityAxis = cnty_CasinosPolandLtdMember |  |
Term of casino licenses, years | 6 years |  |
Weighted-average period before the next renewal of casino licenses | 2 years 7 months 6 days |  |
Century Downs Racetrack And Casino [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Number of casino licenses | 2 cnty_NumberOfCasinoLicenses / dei_LegalEntityAxis = cnty_CenturyDownsRacetrackAndCasinoMember |  |
Impairment charges | $ 0 us-gaap_ImpairmentOfIntangibleAssetsFinitelived / dei_LegalEntityAxis = cnty_CenturyDownsRacetrackAndCasinoMember | $ 0 us-gaap_ImpairmentOfIntangibleAssetsFinitelived / dei_LegalEntityAxis = cnty_CenturyDownsRacetrackAndCasinoMember |

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- Definition Finite lived intangible assets, asino licenses, weighted-average period before next renewal. + References No definition available. + Details
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- Definition Number of casino licenses. + References No definition available. + Details
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- Definition Number of trademarks. + References No definition available. + Details
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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275 + Details
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