Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2014	Dec. 31, 2013
Operating Real Estate, Consolidated Variable Interest Entities	$ 281,311	$ 281,311	$ 265,138
Accumulated depreciation and amortization, consolidated variable interest entities	22,840	22,840	19,086
Accumulated Amortization, Debt Issuance Costs	10,969	10,969	9,535
Mortgages Payable, Consolidated Variable Interest Entities	$ 188,739	$ 188,739	$ 202,782
Preferred Shares Authorized	15,000,000	15,000,000	15,000,000
Preferred Shares Par Value Per Share	$ 0.01	$ 0.01	$ 0.01
Preferred Shares, Liquidation Preference Per Share	$ 25	$ 25	$ 25
Preferred Shares Issued	399,896	399,896	399,896
Preferred Shares Outstanding	399,896	399,896	399,896
Common Shares, Par Value Per Share	$ 0.01	$ 0.01	$ 0.01
Common Shares Authorized	100,000,000	100,000,000	100,000,000
Common Shares Issued	67,712,366	67,712,366	66,701,422
Common Shares Outstanding	67,712,366	67,712,366	66,701,422
5.417% Series 1 Cumulative Convertible Preferred [Member]
Preferred Stock, Dividend Rate, Percentage	5.417%	5.417%	5.417%