Investment in Unconsolidated Entities (Details Textual) (USD $)	3 Months Ended		9 Months Ended	12 Months Ended
	Dec. 31, 2010		Oct. 18, 2010	Dec. 31, 2012	Dec. 31, 2011	Jul. 31, 2012
Fees Earned	$ 100,000		$ 35,700,000	$ 54,300,000	$ 35,100,000
Percentage Of Interest In Joint Venture				9.00%
Company Ownership Percentage						80.00%
Companys and Predecessors share of net loss	(163,000)	[1]	(300,000)	400,000	(1,200,000)
Grove At Moscow [Member]
Class B Interest Held					3,000,000
Grove At San Angelo [Member]
Class B Interest Held				2,700,000	2,700,000
Grove At Valdosta [Member]
Class B Interest Held					1,100,000
Grove At Conway [Member]
Class B Interest Held				6,400,000	6,400,000
Grove At Indiana [Member]
Class B Interest Held				$ 2,700,000

[1] Amount differs from net loss multiplied by our ownership percentage due to the amortization of the aggregate difference between our historical cost basis and our basis reflected at the entity level, elimination of management fees, and income on preferred investments.