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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 $ 0us-gaap_GoodwillImpairmentLoss $ 0us-gaap_GoodwillImpairmentLoss  
Number of trademarks 2cnty_NumberOfTrademarks    
Impairment charges related to trademarks 0us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill    
Sosnowiec Casino License [Member]      
Finite-Lived Intangible Assets [Line Items]      
Impairment charges     200us-gaap_ImpairmentOfIntangibleAssetsFinitelived
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= cnty_SosnowiecCasinoLicenseMember
AGLC [Member]      
Finite-Lived Intangible Assets [Line Items]      
Number of casino licenses 1cnty_NumberOfCasinoLicenses
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= cnty_AglcMember
   
HRA [Member]      
Finite-Lived Intangible Assets [Line Items]      
Number of casino licenses 1cnty_NumberOfCasinoLicenses
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= cnty_HraMember
   
Casinos Poland Ltd [Member]      
Finite-Lived Intangible Assets [Line Items]      
Number of casino licenses 9cnty_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 2cnty_NumberOfCasinoLicenses
/ dei_LegalEntityAxis
= cnty_CenturyDownsRacetrackAndCasinoMember
   
Impairment charges $ 0us-gaap_ImpairmentOfIntangibleAssetsFinitelived
/ dei_LegalEntityAxis
= cnty_CenturyDownsRacetrackAndCasinoMember
$ 0us-gaap_ImpairmentOfIntangibleAssetsFinitelived
/ dei_LegalEntityAxis
= cnty_CenturyDownsRacetrackAndCasinoMember