Investments in Unconsolidated Entities (Details Textual)	3 Months Ended		3 Months Ended																					3 Months Ended
	Mar. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Mar. 31, 2014 HIM Holdings LP [Member]	Jan. 31, 2014 HIM Holdings LP [Member] USD ($)	Jan. 31, 2014 HIM Holdings LP [Member] CAD	Jan. 31, 2014 HIM Holdings LP [Member] Minimum [Member]	Jan. 31, 2014 HIM Holdings LP [Member] Maximum [Member]	Jan. 31, 2014 CSH Montreal [Member]	Mar. 31, 2014 Beaumont and Partners [Member]	Jan. 31, 2014 Beaumont and Partners [Member]	Mar. 31, 2014 Copper Beech [Member]	Dec. 31, 2013 Copper Beech [Member]	Mar. 31, 2013 Copper Beech [Member]	Mar. 31, 2014 Preferred Class B [Member]	Jan. 31, 2014 Preferred Class B [Member]	Dec. 31, 2013 Preferred Class B [Member] The Grove at San Angelo Texas [Member] USD ($)	Dec. 31, 2013 Preferred Class B [Member] The Grove at Conway Arkansas [Member] USD ($)	Mar. 31, 2014 Preferred Class B [Member] The Grove at Indiana [Member] USD ($)	Dec. 31, 2013 Preferred Class B [Member] The Grove at Indiana [Member] USD ($)	Mar. 31, 2014 Preferred Class B [Member] The Grove at Greensboro [Member] USD ($)	Dec. 31, 2013 Preferred Class B [Member] The Grove at Greensboro [Member] USD ($)	Mar. 31, 2014 Preferred Class B [Member] The Grove at Louisville [Member] USD ($)	Dec. 31, 2013 Preferred Class B [Member] The Grove at Louisville [Member] USD ($)	Mar. 31, 2014 Preferred Class A [Member] USD ($)	Mar. 31, 2014 Preferred Class A [Member] CAD	Mar. 31, 2014 Cb Portfolio [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage			25.54%			20.00%	35.00%	60.54%	39.46%	39.46%					63.90%											67.00%	[1]
Return On Investment Of Properties	9.00%													9.00%
Number of joint venture properties											30	30	37
Business Acquisitions Costs Of Acquired Entity Purchase Price	$ 7,661,000			$ 58,600,000	65,000,000
Equity Method Investment, Ownership Percentage			25.54%			20.00%	35.00%	60.54%	39.46%	39.46%					63.90%											67.00%	[1]
Preferred Stock, Value, Issued	61,000	61,000		14,400,000	16,000,000											2,800,000	6,400,000	2,700,000	2,700,000	2,700,000	2,700,000	1,900,000	1,900,000	14,400,000	16,000,000
Notes Payable, Total				$ 100,900,000	112,000,000
Debt Instrument, Interest Rate, Effective Percentage Rate Range, Maximum			3.00%
Debt Instrument, Description of Variable Rate Basis	67.0		Canadian Dealer Offered Rate ("CDOR"), which was 1.22% at March 31, 2014, plus a spread of 3.50%
Debt Instrument, Basis Spread on Variable Rate			3.37%
Debt Instrument, Maturity Date			Jan. 13, 2016
Commitment Fee Percentage Each Quarter																								1.00%	1.00%
Percentage of Return on Investment																								10.00%	10.00%

[1] As of March 31, 2014, we had a 67.0% effective interest in the CB Portfolio.