Summary of Significant Accounting Policies (Details)	6 Months Ended
	Jun. 30, 2012
Summary of Significant Accounting Policies (Textual) [Abstract]
Minimum percentage of adjusted taxable income to be distributed to shareholders as a real estate investment trust	90.00%
Land, Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life minimum (in years)	10
Estimated useful life maximum (in years)	40
Furniture Fixtures And Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life minimum (in years)	1
Estimated useful life maximum (in years)	10