XML 36 R37.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Real Estate (Impairments) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Real Estate [Abstract] |  |  |  |
Continuing operations | $ 0 | $ 3,223 | $ 1,957 | $ 3,258
Discontinued operations | 727 | 5,440 | 2,046 | 5,785
Impairment recoveries – discontinued operations | (728) | 0 | 0 | 0
Impairment Losses and Other Charges | $ (1) | $ 8,663 | $ 4,003 | $ 9,043

X
- Definition Impairment Losses and Other Charges + References No definition available. + Details
Name: | nnn_ImpairmentLossesAndOtherCharges
Namespace Prefix: | nnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Impairment Losses, Continuing Operations, Net of Recoveries + References No definition available. + Details
Name: | nnn_ImpairmentLossesContinuingOperationsNetofRecoveries
Namespace Prefix: | nnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Impairment Losses, Discontinued Operaitons + References No definition available. + Details
Name: | nnn_ImpairmentLossesDiscontinuedOperaitons
Namespace Prefix: | nnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Impairment Losses, Discontinued Operations, Recoveries + References No definition available. + Details
Name: | nnn_ImpairmentLossesDiscontinuedOperationsRecoveries
Namespace Prefix: | nnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_RealEstateAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration