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 -Publisher FASB

 -Name Accounting Standards Codification

 -Glossary Financing Activities

 -URI http://asc.fasb.org/extlink&amp;oid=6513228



Reference 2: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 230

 -SubTopic 10

 -Section 45

 -Paragraph 14

 -Subparagraph (b)

 -URI http://asc.fasb.org/extlink&amp;oid=31042434&amp;loc=d3e3255-108585



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 -Publisher SEC

 -Name Regulation S-X (SX)

 -Number 210

 -Section 02

 -Paragraph 22

 -Article 5



Reference 2: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 210

 -SubTopic 10

 -Section S99

 -Paragraph 1

 -Subparagraph (SX 210.5-02.22(a)(1))

 -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682



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 -Topic 835

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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 -Topic 210

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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 -Topic 230

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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 -Topic 230

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 470

 -SubTopic 20

 -Section 50

 -Paragraph 5

 -Subparagraph (b)

 -URI http://asc.fasb.org/extlink&amp;oid=6928298&amp;loc=SL6031898-161870



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 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 230

 -SubTopic 10

 -Section 45

 -Paragraph 15

 -Subparagraph (b)

 -URI http://asc.fasb.org/extlink&amp;oid=31042434&amp;loc=d3e3291-108585



Reference 2: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Glossary Financing Activities

 -URI http://asc.fasb.org/extlink&amp;oid=6513228



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 -Publisher SEC

 -Name Regulation S-X (SX)

 -Number 210

 -Section 03

 -Paragraph 8

 -Article 5



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These costs were deferred and amortized using the effective interest method and are fully amortized at June 30, 2013.</Note></Footnote><Footnote><NoteId>2</NoteId><Note>The conversion rate per $1 principal amount was 42.6237 shares of NNN&#x2019;s common stock, which is equivalent to a conversion price of $23.4611 per share of common stock.</Note></Footnote><Footnote><NoteId>3</NoteId><Note>NNN repurchased $11,000 in 2009 for a purchase price of $8,588 resulting in a gain of $1,867.</Note></Footnote><Footnote><NoteId>4</NoteId><Note>The conversion rate per $1 principal amount was 39.5360 shares of NNN&#x2019;s common stock, which is equivalent to a conversion price of $25.2934 per share of common stock.</Note></Footnote><Footnote><NoteId>5</NoteId><Note>With the adoption of the accounting guidance on convertible debt securities in 2009, the effective interest rates for the 2026 Notes and the 2028 Notes are 5.840% and 7.192%, respectively.</Note></Footnote><Footnote><NoteId>6</NoteId><Note>Includes $219 of note costs which were written off in connection with the repurchase of $11,000 of the 2028 Notes.</Note></Footnote></Footnotes><IsEquityReport>false</IsEquityReport><ReportName>Notes Payable - Convertible (Details) (USD $)</ReportName><MonetaryRoundingLevel>NoRounding</MonetaryRoundingLevel><SharesRoundingLevel>NoRounding</SharesRoundingLevel><PerShareRoundingLevel>NoRounding</PerShareRoundingLevel><ExchangeRateRoundingLevel>UnKnown</ExchangeRateRoundingLevel><HasCustomUnits>true</HasCustomUnits><IsEmbedReport>false</IsEmbedReport><IsMultiCurrency>false</IsMultiCurrency><ReportType>Notes</ReportType><RoleURI>http://www.nnnreit.com/role/NotesPayableConvertibleDetails</RoleURI><NumberOfCols>13</NumberOfCols><NumberOfRows>24</NumberOfRows></InstanceReport>
