Quarterly report pursuant to Section 13 or 15(d)

Properties, net (Details)

v2.3.0.15
Properties, net (Details) (USD $)
In Thousands
Sep. 30, 2011
Dec. 31, 2010
Properties    
Operating properties, net $ 2,772,303 $ 2,802,773
Operating properties
    
Properties    
Less: accumulated depreciation (553,306) (503,032)
Operating properties | Land, operating properties
    
Properties    
Gross 486,538 501,210
Operating properties | Buildings and improvements
    
Properties    
Gross $ 2,839,071 $ 2,804,595