Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Real estate accumulated depreciation (in Dollars)	$ 191,502	$ 163,209
Preferred stock, shares authorized (in Shares)	15,000,000	15,000,000
Preferred stock, shares issued (in Shares)	0	0
Preferred stock, shares outstanding (in Shares)	0	0
Common stock, shares authorized (in Shares)	200,000,000	200,000,000
Common stock, shares issued (in Shares)	92,140,005	92,840,914
Common stock, shares outstanding (in Shares)	92,140,005	92,840,914
Series A Preferred Stock [Member]
Preferred stock, shares authorized (in Shares)	200,000,000	200,000,000
Preferred stock, shares issued (in Shares)	92,140,005	92,840,914
Preferred stock, shares outstanding (in Shares)	92,140,005	92,840,914
Series B Convertible Preferred Stock [Member]
Preferred stock, shares authorized (in Shares)	240,000	240,000
Preferred stock, shares issued (in Shares)	240,000	240,000
Preferred stock, shares outstanding (in Shares)	240,000	240,000