XML 36 R76.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Employee Benefit Plan (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Employee Benefit Plan [Abstract] |  |  |
Percentage of participant's contributions matched by employer | 60.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch |  |
Employer matching contribution, percent | 8.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent |  |
Employer contributions | $ 453 nnn_DefinedContributionPlanEmployerContributionAmount | $ 342 nnn_DefinedContributionPlanEmployerContributionAmount | $ 378 nnn_DefinedContributionPlanEmployerContributionAmount

X
- Definition Defined Contribution Plan, Employer Contribution Amount + References No definition available. + Details
Name: | nnn_DefinedContributionPlanEmployerContributionAmount
Namespace Prefix: | nnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | nnn_EmployeeBenefitPlanAbstract
Namespace Prefix: | nnn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration