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Fair Value Measurements (Schedule Of Assets Measured At A Fair Value On Non-recurring Basis) (Details) - USD ($) | Dec. 31, 2015 | Dec. 31, 2014
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Real estate held for sale | $ 14,402,000 | $ 16,508,000
Nonrecurring Basis [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Real estate held for sale | $ 14,402,000 | $ 16,508,000
Fair Value, Inputs, Level 1 [Member] | Nonrecurring Basis [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Real estate held for sale |  |
Fair Value, Inputs, Level 2 [Member] | Nonrecurring Basis [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Real estate held for sale | $ 14,402,000 | $ 3,424,000
Fair Value, Inputs, Level 3 [Member] | Nonrecurring Basis [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Real estate held for sale |  | $ 13,084,000

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- Definition Amount classified as assets attributable to disposal group held for sale or disposed of. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1107-107759 + Details
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