XML 69 R40.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Notes Payable - Convertible (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014
Convertible Notes Payable [Abstract] |
Debt Interest Expense | NNN recorded the following in interest expense relating to the 2028 Notes and the 2026 Notes for the years ended December 31 (dollars in thousands):
| 2013 |  | 2012
Noncash interest charges | $ | 2,072 |  |  | $ | 4,291 |
Contractual interest expense | 5,400 |  |  | 15,744 |
Amortization of debt costs | 566 |  |  | 1,149 |
| $ | 8,038 |  |  | $ | 21,184 |

X
- Definition Schedule of Debt Instrument Interest Expense [Table Text Block] + References No definition available. + Details
Name: | nnn_ScheduleOfDebtInstrumentInterestExpenseTableTextBlock
Namespace Prefix: | nnn_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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