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Nature of Operations and Summary of Significant Accounting Policies (Details) (USD $)
 0 Months Ended 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 12, 2013
May 31, 2013
Apr. 30, 2013
Sep. 30, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Dec. 31, 2012
Summary of Significant Accounting Policies [Line Items]                                
Common Stock, Shares Authorized       100,000,000us-gaap_CommonStockSharesAuthorized 100,000,000us-gaap_CommonStockSharesAuthorized       100,000,000us-gaap_CommonStockSharesAuthorized       100,000,000us-gaap_CommonStockSharesAuthorized   100,000,000us-gaap_CommonStockSharesAuthorized 100,000,000us-gaap_CommonStockSharesAuthorized
Preferred Stock, Shares Authorized       50,000,000us-gaap_PreferredStockSharesAuthorized 50,000,000us-gaap_PreferredStockSharesAuthorized       50,000,000us-gaap_PreferredStockSharesAuthorized       50,000,000us-gaap_PreferredStockSharesAuthorized   50,000,000us-gaap_PreferredStockSharesAuthorized 50,000,000us-gaap_PreferredStockSharesAuthorized
Stock Issued During Period, Shares, New Issues   12,100,000us-gaap_StockIssuedDuringPeriodSharesNewIssues                            
Proceeds from Issuance of Private Placement   $ 223,800,000us-gaap_ProceedsFromIssuanceOfPrivatePlacement                            
Payments to Acquire Businesses, Gross 15,700,000us-gaap_PaymentsToAcquireBusinessesGross                       178,235,000us-gaap_PaymentsToAcquireBusinessesGross 15,132,000us-gaap_PaymentsToAcquireBusinessesGross 15,708,000us-gaap_PaymentsToAcquireBusinessesGross  
Assets Held-in-trust                 2,900,000us-gaap_AssetsHeldInTrust             2,900,000us-gaap_AssetsHeldInTrust
Stock Issued During Period, Shares, Conversion of Units     5,000,000us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits                          
Allowance for Doubtful Accounts Receivable         0us-gaap_AllowanceForDoubtfulAccountsReceivable       0us-gaap_AllowanceForDoubtfulAccountsReceivable           0us-gaap_AllowanceForDoubtfulAccountsReceivable 0us-gaap_AllowanceForDoubtfulAccountsReceivable
Impairment of Real Estate                             0us-gaap_ImpairmentOfRealEstate 0us-gaap_ImpairmentOfRealEstate
Home Building Revenue       90,735,000us-gaap_HomeBuildingRevenue 63,631,000us-gaap_HomeBuildingRevenue 41,494,000us-gaap_HomeBuildingRevenue 41,291,000us-gaap_HomeBuildingRevenue 24,717,000us-gaap_HomeBuildingRevenue 25,213,000us-gaap_HomeBuildingRevenue 25,027,000us-gaap_HomeBuildingRevenue 26,204,000us-gaap_HomeBuildingRevenue 19,586,000us-gaap_HomeBuildingRevenue 217,734,000us-gaap_HomeBuildingRevenue 107,502,000us-gaap_HomeBuildingRevenue 171,133,000us-gaap_HomeBuildingRevenue 96,030,000us-gaap_HomeBuildingRevenue
Construction and Development Costs       70,896,000us-gaap_ConstructionAndDevelopmentCosts   31,948,000us-gaap_ConstructionAndDevelopmentCosts             166,367,000us-gaap_ConstructionAndDevelopmentCosts 81,084,000us-gaap_ConstructionAndDevelopmentCosts 129,651,000us-gaap_ConstructionAndDevelopmentCosts 75,448,000us-gaap_ConstructionAndDevelopmentCosts
Earnest Money Deposits         2,900,000us-gaap_EarnestMoneyDeposits       1,300,000us-gaap_EarnestMoneyDeposits           2,900,000us-gaap_EarnestMoneyDeposits 1,300,000us-gaap_EarnestMoneyDeposits
Income Tax Expense (Benefit)       2,570,000us-gaap_IncomeTaxExpenseBenefit   1,346,000us-gaap_IncomeTaxExpenseBenefit   0us-gaap_IncomeTaxExpenseBenefit         7,109,000us-gaap_IncomeTaxExpenseBenefit 3,330,000us-gaap_IncomeTaxExpenseBenefit 5,642,000us-gaap_IncomeTaxExpenseBenefit  
Tax Basis of Investments, Gross, Unrealized Appreciation                 2,500,000us-gaap_TaxBasisOfInvestmentsGrossUnrealizedAppreciation             2,500,000us-gaap_TaxBasisOfInvestmentsGrossUnrealizedAppreciation
Tax Basis of Investments, Gross, Unrealized Depreciation                 600,000us-gaap_TaxBasisOfInvestmentsGrossUnrealizedDepreciation             600,000us-gaap_TaxBasisOfInvestmentsGrossUnrealizedDepreciation
Tax Basis of Investments, Unrealized Appreciation (Depreciation), Net                 1,900,000us-gaap_TaxBasisOfInvestmentsUnrealizedAppreciationDepreciationNet             1,900,000us-gaap_TaxBasisOfInvestmentsUnrealizedAppreciationDepreciationNet
Due diligence expense         68,000ccs_DueDiligenceExpense       80,000ccs_DueDiligenceExpense           68,000ccs_DueDiligenceExpense 80,000ccs_DueDiligenceExpense
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount                 11,400,000us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount             11,400,000us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount
Variable Interest Entity, carrying amount               25,443,000us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets                
Assets       638,593,000us-gaap_Assets 312,639,000us-gaap_Assets       90,673,000us-gaap_Assets       638,593,000us-gaap_Assets   312,639,000us-gaap_Assets 90,673,000us-gaap_Assets
Liabilities       270,824,000us-gaap_Liabilities 41,083,000us-gaap_Liabilities       66,112,000us-gaap_Liabilities       270,824,000us-gaap_Liabilities   41,083,000us-gaap_Liabilities 66,112,000us-gaap_Liabilities
Trade Names [Member]                                
Summary of Significant Accounting Policies [Line Items]                                
Finite-Lived Intangible Asset, Useful Life                             4 years  
Noncompete Agreements [Member]                                
Summary of Significant Accounting Policies [Line Items]                                
Finite-Lived Intangible Asset, Useful Life                             2 years  
Other Intangibles [Member]                                
Summary of Significant Accounting Policies [Line Items]                                
Finite-Lived Intangible Asset, Useful Life                             7 years  
Build On Your Own Lot [Member]                                
Summary of Significant Accounting Policies [Line Items]                                
Home Building Revenue                             11,000,000us-gaap_HomeBuildingRevenue
/ us-gaap_SubsegmentsAxis
= ccs_BuildOnYourOwnLotMember		  
Construction and Development Costs                             8,800,000us-gaap_ConstructionAndDevelopmentCosts
/ us-gaap_SubsegmentsAxis
= ccs_BuildOnYourOwnLotMember		  
Number Of Contracts         58ccs_NumberOfContracts
/ us-gaap_SubsegmentsAxis
= ccs_BuildOnYourOwnLotMember		                   58ccs_NumberOfContracts
/ us-gaap_SubsegmentsAxis
= ccs_BuildOnYourOwnLotMember		  
Billed Contracts Receivable         1,200,000us-gaap_BilledContractReceivables
/ us-gaap_SubsegmentsAxis
= ccs_BuildOnYourOwnLotMember		                   1,200,000us-gaap_BilledContractReceivables
/ us-gaap_SubsegmentsAxis
= ccs_BuildOnYourOwnLotMember		  
Billings in Excess of Cost         1,200,000us-gaap_BillingsInExcessOfCost
/ us-gaap_SubsegmentsAxis
= ccs_BuildOnYourOwnLotMember		                   1,200,000us-gaap_BillingsInExcessOfCost
/ us-gaap_SubsegmentsAxis
= ccs_BuildOnYourOwnLotMember		  
Regency [Member]                                
Summary of Significant Accounting Policies [Line Items]                                
Assets                 21,600,000us-gaap_Assets
/ dei_LegalEntityAxis
= ccs_RegencyMember		             21,600,000us-gaap_Assets
/ dei_LegalEntityAxis
= ccs_RegencyMember
Liabilities                 $ 11,400,000us-gaap_Liabilities
/ dei_LegalEntityAxis
= ccs_RegencyMember		             $ 11,400,000us-gaap_Liabilities
/ dei_LegalEntityAxis
= ccs_RegencyMember