Organization (Details Textual) (USD $)	6 Months Ended
	Jun. 30, 2014
Cornerstone Operating Partnership [Member]
Organization [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest	99.88%
Cornerstone Operating Partnership [Member] | Cornerstone Realty Advisors, LLC [Member]
Organization [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest by Affiliates	0.12%
Cornerstone Healthcare Partners [Member]
Organization [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest	95.00%
Cornerstone Healthcare Real Estate Fund [Member]
Organization [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest by Affiliates	5.00%
JV Properties [Member]
Organization [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest	89.00%
Proceeds from Divestiture of Businesses and Interests in Affiliates, Total	$ 900,000
Divestiture Of Interests In Affiliates	800,000
JV Properties [Member] | Third Party Investors [Member]
Organization [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	6.30%
JV Properties [Member] | CHREF [Member]
Organization [Line Items]
Proceeds from Divestiture of Businesses and Interests in Affiliates, Total	$ 41,000
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	4.70%