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Description Of Business And Basis Of Presentation (Narrative) (Details) (USD $)
 12 Months Ended 1 Months Ended 0 Months Ended 1 Months Ended
Dec. 31, 2014
item
Apr. 30, 2013
Apr. 08, 2013
Oct. 31, 2014
item
Dec. 31, 2013
Mar. 31, 2007
Apr. 07, 2013
Description Of Business And Basis Of Presentation [Line Items]              
Number of ship-based casinos 16cnty_NumberOfShipBasedCasinos            
Number of cruise lines 5cnty_NumberOfCruiseLines            
Number of passengers 2,500cnty_NumberOfPassengers            
Convertible amount $ 11,000,000us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent            
Convertible percent of ownership interest 60.00%cnty_ConvertiblePercentOfOwnershipInterest            
Cost investment 1,000,000us-gaap_InvestmentOwnedAtCost       0us-gaap_InvestmentOwnedAtCost    
Percentage Of CPL Owned By CCE [Member]              
Description Of Business And Basis Of Presentation [Line Items]              
Ownership percentage           33.30%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ cnty_SubsidiariesAxis
= cnty_PercentageOfCplOwnedByCceMember		  
Additional ownership acquired   33.30%cnty_AdditionalOwnershipPercentageToAcquire
/ cnty_SubsidiariesAxis
= cnty_PercentageOfCplOwnedByCceMember		          
Percentage Of CPL Owned By Polish Airport [Member]              
Description Of Business And Basis Of Presentation [Line Items]              
Ownership percentage 33.30%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ cnty_SubsidiariesAxis
= cnty_PercentageOfCplOwnedByPolishAirportMember		            
Percentage Of CDR Owned by CCE [Member]              
Description Of Business And Basis Of Presentation [Line Items]              
Ownership percentage 15.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ cnty_SubsidiariesAxis
= cnty_PercentageOfCenturyDownsRacetrackOwnedByCenturyCasinosEuropeMember		            
Percentage Of CDR Owned By Unaffiliated Shareholders [Member]              
Description Of Business And Basis Of Presentation [Line Items]              
Ownership interest 85.00%us-gaap_MinorityInterestOwnershipPercentageByParent
/ cnty_SubsidiariesAxis
= cnty_PercentageOfCenturyDownsRacetrackOwnedByUnaffiliatedShareholdersMember		            
Percentage Of MCE Owned By CCE [Member]              
Description Of Business And Basis Of Presentation [Line Items]              
Ownership interest 7.50%us-gaap_MinorityInterestOwnershipPercentageByParent
/ cnty_SubsidiariesAxis
= cnty_PercentageOfMendozaCentralEntretenmientosSOwnedByCenturyCasinosEuropeMember		            
Casinos Poland Ltd [Member]              
Description Of Business And Basis Of Presentation [Line Items]              
Ownership percentage 66.60%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ cnty_SubsidiariesAxis
= cnty_CasinosPolandLtdMember		            
Casinos Poland Ltd [Member]              
Description Of Business And Basis Of Presentation [Line Items]              
Ownership percentage 33.30%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ dei_LegalEntityAxis
= cnty_CasinosPolandLtdMember		           33.30%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ dei_LegalEntityAxis
= cnty_CasinosPolandLtdMember
Additional ownership acquired     33.30%cnty_AdditionalOwnershipPercentageToAcquire
/ dei_LegalEntityAxis
= cnty_CasinosPolandLtdMember		        
Ownership interest 66.60%us-gaap_MinorityInterestOwnershipPercentageByParent
/ dei_LegalEntityAxis
= cnty_CasinosPolandLtdMember		            
Mendoza Central Entretenimientos S. A. [Member]              
Description Of Business And Basis Of Presentation [Line Items]              
Cost investment 1,000,000us-gaap_InvestmentOwnedAtCost
/ us-gaap_BusinessAcquisitionAxis
= cnty_MendozaCentralEntretenimientosSMember		            
Mendoza Central Entretenimientos S. A. [Member] | Century Casinos Europe GmbH [Member]              
Description Of Business And Basis Of Presentation [Line Items]              
Ownership interest       7.50%us-gaap_MinorityInterestOwnershipPercentageByParent
/ us-gaap_BusinessAcquisitionAxis
= cnty_MendozaCentralEntretenimientosSMember
/ dei_LegalEntityAxis
= cnty_CenturyCasinosEuropeGmbhMember		      
Purchase of interest in Joint Venture       $ 1,000,000us-gaap_PaymentsToAcquireInterestInJointVenture
/ us-gaap_BusinessAcquisitionAxis
= cnty_MendozaCentralEntretenimientosSMember
/ dei_LegalEntityAxis
= cnty_CenturyCasinosEuropeGmbhMember		      
Number of directors company has right to appoint       1cnty_NumberOfDirectorsCompanyHasRightToAppoint
/ us-gaap_BusinessAcquisitionAxis
= cnty_MendozaCentralEntretenimientosSMember
/ dei_LegalEntityAxis
= cnty_CenturyCasinosEuropeGmbhMember		      
Term of option to purchase additional shares in joint venture subsidiary       3 years      
Percentage of total shares covered by option       50.00%cnty_PercentageOfTotalSharesCoveredByOption
/ us-gaap_BusinessAcquisitionAxis
= cnty_MendozaCentralEntretenimientosSMember
/ dei_LegalEntityAxis
= cnty_CenturyCasinosEuropeGmbhMember