Real Estate (Held For Sale) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 properties	Dec. 31, 2012 properties	Dec. 31, 2011 properties
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number Of Properties Classified As Held For Sale	8
Land and improvements	$ 7,403	$ 7,839
Building and improvements	15,037	14,875
Work in process	37	72
Real Estate Held-for-sale	22,477	22,786
Less impairment	(5,474)	(3,617)
Inventory, Real Estate, Held-for-sale	15,344	17,546
Number Of Disposed Properties Continuing Operations	0	0	0
Number Of Disposed Properties Discontinued Operations	35	34	8
Number of Disposed Properties Noncontrolling Interest	0	0	0
Number Of Disposed Properties	35	34	8
Gain on disposition of real estate	173	0	297
Gain on Disposition Properties Noncontrolling Interest	(152)	0	(194)
Gain on Disposition of Properties	6,293	10,956	527
Assets Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Less accumulated depreciation and amortization	(1,659)	(1,623)
Gain on disposition of real estate	$ 6,272	$ 10,956	$ 424