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Real Estate (Held For Sale) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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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

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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2941-110230 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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