Real Estate (Held for Sale) (Details) (USD $) In Thousands, unless otherwise specified			3 Months Ended		6 Months Ended
	Jun. 30, 2014 property	Dec. 31, 2013 property	Jun. 30, 2014 Assets Held-for-sale Discontinued Operations property	Jun. 30, 2013 Assets Held-for-sale Discontinued Operations property	Jun. 30, 2014 Assets Held-for-sale Discontinued Operations property	Jun. 30, 2013 Assets Held-for-sale Discontinued Operations property
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number Of Properties Classified As Held For Sale	9	11
Number of sold properties discontinued operations			0	7	2	9
Land and improvements	$ 4,339	$ 6,475
Building and improvements	6,673	10,422
Real Estate Held-for-sale	11,012	16,897
Less accumulated depreciation and amortization	(1,758)	(2,617)
Less impairment	(1,024)	(2,167)
Inventory, Real Estate, Held-for-sale	$ 8,230	$ 12,113