Real Estate And Loans Receivable (Loans, Concentration Of Credit Risk And Related Party Transaction) (Details) (USD $)	12 Months Ended				12 Months Ended							12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008	Dec. 31, 2011 Prime Health Care Services [Member]	Dec. 31, 2010 Prime Health Care Services [Member]	Dec. 31, 2009 Prime Health Care Services [Member]	Dec. 31, 2011 Vibra Health Care [Member]	Dec. 31, 2010 Vibra Health Care [Member]	Dec. 31, 2009 Vibra Health Care [Member]	Dec. 31, 2004 Vibra Health Care [Member]	Dec. 31, 2011 Individual Property Basis [Member]	Dec. 31, 2010 Maximum [Member]	Dec. 31, 2011 Minimum [Member]
Real Estate And Lending Activities [Line Items]
Mortgage loans expansion		$ (43,000,000)
Mortgage loans on real estate, new		7,836,000	15,164,000
Mortgage loan assumed, value	165,000,000	165,000,000	200,164,000	185,000,000							41,400,000
Repayment of loans and accrued interest from affiliates								17,800,000
Percentage of entity revenue from affiliates					30.10%	31.80%	32.50%	12.00%	15.00%	15.70%
Percentage of assets from affiliates					25.30%	26.70%		7.90%	9.96%			5.60%	28.60%	26.80%
Lease and interest revenue earned from tenants	$ 5,500,000	$ 1,800,000