Fair Value Disclosures (Details Textual) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Debt, Weighted Average Interest Rate	3.65%us-gaap_DebtWeightedAverageInterestRate	4.23%us-gaap_DebtWeightedAverageInterestRate
Equity Method Investments	$ 259,740,000us-gaap_EquityMethodInvestments	$ 324,838,000us-gaap_EquityMethodInvestments
Harrison Street Real Estate Capital [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Equity Method Investments	15,100,000
Harrison Street Real Estate Capital [Member] \| Fair Value, Inputs, Level 3 [Member] \| Fair Value, Measurements, Nonrecurring [Member] \| Maximum [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Fair Value Inputs, Cap Rate	8.50%
Fair Value Input Expected Net Operating Income	2,600,000
Harrison Street Real Estate Capital [Member] \| Fair Value, Inputs, Level 3 [Member] \| Fair Value, Measurements, Nonrecurring [Member] \| Minimum [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Fair Value Inputs, Cap Rate	5.90%
Fair Value Input Expected Net Operating Income	1,000,000
CSH Montreal LP [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Equity Method Investments	$ 6,900,000
CSH Montreal LP [Member] \| Fair Value, Inputs, Level 3 [Member] \| Fair Value, Measurements, Nonrecurring [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Fair Value Inputs, Cap Rate	7.25%
Fair Value Inputs Percentage Of Revenue Growth Per Bed	92.00%
Fair Value Inputs, Discount Rate	9.25%
Fair Value Measurements, Valuation Techniques	discounted cash flow

Fair value inputs percentage of revenue growth per bed

No definition available.

Name:	ccg_Fairvalueinputspercentageofrevenuegrowthperbed
Namespace Prefix:	ccg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value of net operating income expected during the period based on the ratio of the net operating income produced by an asset and its capital cost.

+ References

No definition available.

+ Details

Name:	ccg_FairValueInutExpectedNetOperatingIncome
Namespace Prefix:	ccg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.12)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35755396&loc=d3e33749-111570

+ Details

Name:	us-gaap_EquityMethodInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Ratio of the net operating income produced by an asset and its capital cost (original prices paid to buy the asset), used as an input to measure fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueInputsCapRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

+ Details

Name:	us-gaap_FairValueInputsDiscountRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the inputs and valuation technique(s) used to measure fair value.

+ References

+ Details

Name:	us-gaap_FairValueMeasurementsValuationTechniques
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	invest_InvestmentHoldingAxis=ccg_CshMontrealLpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	invest_InvestmentHoldingAxis=ccg_HarrisonStreetRealEstateCapitalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: