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Stock-Based Compensation (Narrative) (Details) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock, shares authorized 50,000,000us-gaap_CommonStockSharesAuthorized 50,000,000us-gaap_CommonStockSharesAuthorized  
Options outstanding 1,429,842us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber 70,638us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber 919,848us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber [1]
Total fair value of shares vested $ 100,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1 $ 100,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1  
Options issued to independent directors 1,365,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross  
Closing stock price per share $ 5.05us-gaap_SharePrice    
Weighted average exercise price per share of options outstanding $ 5.84us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1    
Options exercised 3,296us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised [2] 849,210us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised [3]  
Cash consideration from exercise of stock options 3,000us-gaap_ProceedsFromStockOptionsExercised 0us-gaap_ProceedsFromStockOptionsExercised  
Intrinsic value of options exercised 19,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue    
Stock-based compensation expense 1,000,000us-gaap_AllocatedShareBasedCompensationExpense 100,000us-gaap_AllocatedShareBasedCompensationExpense  
Unrecognized compensation expense related to unvested stock options 2,700,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized    
Expected period of recognition for unrecognized compensation cost 2 years    
Tax benefits in excess of recognized cumulative compensation cost $ 0us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet $ 0us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet  
2005 Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized 2,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_PlanNameAxis
= cnty_TwoThousandFivePlanMember		    
Percentage of legal entity controlled by optionee 100.00%cnty_PercentageOfLegalEntityControlledByOptionee
/ us-gaap_PlanNameAxis
= cnty_TwoThousandFivePlanMember		    
Maximum [Member] | 2005 Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Exercise period of options 10 years    
Vesting period 4 years    
One-Year [Member] | 2005 Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 1 year    
Three-Year [Member] | 2005 Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 3 years    
Minimum [Member] | 2005 Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 6 years    
Net Share Settlement [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options exercised   249,647us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_AwardTypeAxis
= cnty_NetShareSettlementMember		  
Director [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options outstanding 130,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_TitleOfIndividualAxis
= us-gaap_DirectorMember		    
Options issued to independent directors 75,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_TitleOfIndividualAxis
= us-gaap_DirectorMember		    
[1] Options Option SharesWeighted -Average Exercise PriceWeighted -Average Remaining Contractual TermOptions ExercisableWeighted-Average Exercise PriceOutstanding at January 1, 2013919,848$2.941.58895,348$2.96Granted00.00Exercised*(849,210)2.93Cancelled or forfeited00.00Outstanding at December 31, 201370,638$3.035.4056,638$3.21Granted1,365,0005.05Exercised**(3,296)0.91Cancelled or forfeited(2,500)9.00Outstanding at December 31, 20141,429,842$4.959.74406,092$4.71.
[2] 3,296 options were exercised for cash consideration of $3,000 in 2014. The intrinsic value of the options exercised was $19,000.
[3] 849,210 options were exercised and 249,647 shares were issued through net share settlement in 2013, as a result there was no cash consideration or intrinsic value for the options.