Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Accrued straight-line rent (in Dollars)	$ 15,118	$ 14,490
Preferred Shares, par value (in Dollars per share)	$ 0.01	$ 0.01
Preferred Shares, shares authorized	40,000,000	40,000,000
Preferred Shares, shares issued	4,100,000	4,100,000
Preferred Shares, shares outstanding	4,100,000	4,100,000
Preferred Shares, liquidation value (in Dollars)	$ 102,500	$ 102,500
Common Shares, par value (in Dollars per share)	$ 0.01	$ 0.01
Common Shares, shares authorized	200,000,000	200,000,000
Common Shares, shares issued	131,527,053	130,826,217
Common Shares, shares outstanding	131,527,053	130,826,217