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Stock-Based Compensation (Stock Options Outstanding And Exercisable) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]      
Options Outstanding 1,429,842us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber 70,638us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber 919,848us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber [1]
Options Exercisable 406,092us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber 56,638us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber 895,348us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber [1]
Intrinsic Value of Options Outstanding $ 139us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue    
Intrinsic Value of Options Exercisable 139us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1    
Weighted-Average Life of Options Outstanding 9 years 8 months 12 days    
Weighted-Average Life of Options Exercisable 9 years 1 month 6 days    
$0.91 [Member]      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]      
Exercise Price $ 0.91invest_InvestmentOptionsExercisePrice
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeSixMember		    
Options Outstanding 8,230us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeSixMember		    
Options Exercisable 8,230us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeSixMember		    
Intrinsic Value of Options Outstanding 34us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeSixMember		    
Intrinsic Value of Options Exercisable 34us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeSixMember		    
Weighted-Average Life of Options Outstanding 3 years 10 months 24 days    
Weighted-Average Life of Options Exercisable 3 years 10 months 24 days    
$0.93 [Member]      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]      
Exercise Price $ 0.93invest_InvestmentOptionsExercisePrice
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeFiveMember		    
Options Outstanding 11,612us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeFiveMember		    
Options Exercisable 11,612us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeFiveMember		    
Intrinsic Value of Options Outstanding 48us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeFiveMember		    
Intrinsic Value of Options Exercisable 48us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeFiveMember		    
Weighted-Average Life of Options Outstanding 3 years 10 months 24 days    
Weighted-Average Life of Options Exercisable 3 years 10 months 24 days    
$2.30 [Member]      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]      
Exercise Price $ 2.30invest_InvestmentOptionsExercisePrice
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeThreeMember		    
Options Outstanding 35,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeThreeMember		    
Options Exercisable 35,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeThreeMember		    
Intrinsic Value of Options Outstanding 96us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeThreeMember		    
Intrinsic Value of Options Exercisable 96us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeThreeMember		    
Weighted-Average Life of Options Outstanding 5 years 4 months 24 days    
Weighted-Average Life of Options Exercisable 5 years 4 months 24 days    
$5.05 [Member]      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]      
Exercise Price $ 5.05invest_InvestmentOptionsExercisePrice
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeTwoMember		    
Options Outstanding 1,365,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeTwoMember		    
Options Exercisable 341,250us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeTwoMember		    
Intrinsic Value of Options Outstanding 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeTwoMember		    
Intrinsic Value of Options Exercisable 0us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeTwoMember		    
Weighted-Average Life of Options Outstanding 10 years    
Weighted-Average Life of Options Exercisable 10 years    
$9.00 [Member]      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]      
Exercise Price $ 9.00invest_InvestmentOptionsExercisePrice
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeOneMember		    
Options Outstanding 10,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeOneMember		    
Options Exercisable 10,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeOneMember		    
Intrinsic Value of Options Outstanding 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeOneMember		    
Intrinsic Value of Options Exercisable $ 0us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= cnty_OptionExercisePriceRangeOneMember		    
Weighted-Average Life of Options Outstanding 2 years 6 months    
Weighted-Average Life of Options Exercisable 2 years 6 months    
[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.