Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

Income Taxes (Details) (USD $)
9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Income Taxes [Abstract]    
Minimum percentage of taxable income to be distributed to shareholders by REIT to get corporate income tax exemption 90.00%  
Interest and penalties recognized $ 0 $ 0
Amount accrued related to uncertain tax positions $ 0  
Tax years open to examination by the major taxing jurisdictions 2008-2010