Real Estate Acquisitions, Dispositions And Discontinued Operations (Pro Forma Results Of Operations In Connection With Acquisitions) (Details) (Preston & Royal Village [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Business Acquisition [Line Items]
Total revenues	$ 11,715
Net income available to stockholders	603
Historical Results [Member]
Business Acquisition [Line Items]
Total revenues	10,060
Net income available to stockholders	1,257
Pro Forma Adjustments [Member]
Business Acquisition [Line Items]
Total revenues	1,655
Net income available to stockholders	$ (654)