XML 31 R19.htm IDEA: XBRL DOCUMENT v2.4.0.6
Investments in Real Estate (Details 1) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Jun. 30, 2011
Summary of aggregate carrying value of the assets and liabilities      
Investments in real estate, net $ 127,085 $ 128,124 $ 101,733
Mortgage indebtedness     64,575
Carrying amount of net assets acquired     $ 37,158