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Real Estate (Impairments) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
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Mar. 31, 2015 | Mar. 31, 2014
Real Estate [Abstract] |  |
Continuing operations | $ 1,028 nnn_ImpairmentLossesContinuingOperationsNetofRecoveries | $ 396 nnn_ImpairmentLossesContinuingOperationsNetofRecoveries
Discontinued operations | 0 nnn_ImpairmentLossesDiscontinuedOperations | 63 nnn_ImpairmentLossesDiscontinuedOperations
Impairment Losses and Other Charges | $ 1,028 nnn_ImpairmentLossesAndOtherCharges | $ 459 nnn_ImpairmentLossesAndOtherCharges

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- Definition Impairment Losses and Other Charges + References No definition available. + Details
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- Definition Impairment Losses, Continuing Operations, Net of Recoveries + References No definition available. + Details
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- Definition Impairment Losses, Discontinued Operations + References No definition available. + Details
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Balance Type: | debit
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- Details
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