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Real Estate Assets (Summary of Properties Owned) (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013
Real Estate And Accumulated Depreciation [Line Items] |  |
Real estate assets, net | $ 198,197,703 us-gaap_RealEstateInvestmentPropertyNet | $ 160,231,124 us-gaap_RealEstateInvestmentPropertyNet
Havana Parker [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Jun. 01, 2006 |
Location | Aurora, CO |
Real estate assets, net | 2,269,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_HavanaParkerMember | 3,510,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_HavanaParkerMember
Garden Gateway Plaza [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Mar. 01, 2007 |
Location | Colorado Springs, CO |
Real estate assets, net | 12,120,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_GardenGatewayPlazaMember | 12,391,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_GardenGatewayPlazaMember
World Plaza [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Sep. 01, 2007 |
Location | San Bernardino, CA |
Real estate assets, net | 6,834,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_WorldPlazaMember | 6,700,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_WorldPlazaMember
Regatta Square [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Oct. 01, 2007 |
Location | Denver, CO |
Real estate assets, net | 1,897,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_RegattaSquareMember | 1,936,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_RegattaSquareMember
Sparkys Palm Self Storage [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Nov. 01, 2007 |
Location | Highland, CA |
Real estate assets, net | 4,266,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_SparkysPalmSelfStorageMember | 4,376,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_SparkysPalmSelfStorageMember
Sparky's Joshua Self-Storage [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Dec. 01, 2007 |
Location | Hesperia, CA |
Real estate assets, net | 6,661,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_SparkysJoshuaSelfStorageMember | 6,815,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_SparkysJoshuaSelfStorageMember
Executive Office Park [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Jul. 01, 2008 |
Location | Colorado Springs, CO |
Real estate assets, net | 8,274,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_ExecutiveOfficeParkMember | 8,401,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_ExecutiveOfficeParkMember
Waterman Plaza [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Aug. 01, 2008 |
Location | San Bernardino, CA |
Real estate assets, net | 5,995,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_WatermanPlazaMember | 6,129,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_WatermanPlazaMember
Pacific Oaks Plaza [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Sep. 01, 2008 |
Location | Escondido, CA |
Real estate assets, net | 4,291,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_PacificOaksPlazaMember | 4,355,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_PacificOaksPlazaMember
Morena Office Center [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Jan. 01, 2009 |
Location | San Diego, CA |
Real estate assets, net | 5,461,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_MorenaOfficeCenterMember | 5,667,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_MorenaOfficeCenterMember
Fontana Medical Plaza [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Feb. 01, 2009 |
Location | Fontana, CA |
Real estate assets, net | 0 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_FontanaMedicalPlazaMember | 1,977,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_FontanaMedicalPlazaMember
Rangewood Medical Office Building [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Mar. 01, 2009 |
Location | Colorado Springs, CO |
Real estate assets, net | 2,361,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_RangewoodMedicalOfficeBuildingMember | 2,256,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_RangewoodMedicalOfficeBuildingMember
Sparky's Thousand Palms Self-Storage [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Aug. 01, 2009 |
Location | Thousand Palms, CA |
Real estate assets, net | 5,365,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_SparkysThousandPalmsSelfStorageMember | 5,545,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_SparkysThousandPalmsSelfStorageMember
Sparky's Hesperia East Self-Storage [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Dec. 01, 2009 |
Location | Hesperia, CA |
Real estate assets, net | 2,376,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_SparkysHesperiaEastSelfStorageMember | 2,656,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_SparkysHesperiaEastSelfStorageMember
Sparky's Rialto Self-Storage [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | May 01, 2010 |
Location | Rialto, CA |
Real estate assets, net | 4,681,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_SparkysRialtoSelfStorageMember | 4,784,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_SparkysRialtoSelfStorageMember
Genesis Plaza [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Aug. 01, 2010 |
Location | San Diego, CA |
Real estate assets, net | 8,613,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_GenesisPlazaMember | 8,861,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_GenesisPlazaMember
Dakota Bank Buildings [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | May 01, 2011 |
Location | Fargo, ND |
Real estate assets, net | 10,027,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_DakotaBankBuildingsMember | 9,798,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_DakotaBankBuildingsMember
Yucca Valley Retail Center [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Sep. 01, 2011 |
Location | Yucca Valley, CA |
Real estate assets, net | 8,044,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_YuccaValleyRetailCenterMember | 7,942,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_YuccaValleyRetailCenterMember
Sparky's Sunrise Self-Storage [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Dec. 01, 2011 |
Location | Hesperia, CA |
Real estate assets, net | 2,142,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_SparkysSunriseSelfStorageMember | 2,166,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_SparkysSunriseSelfStorageMember
Port of San Diego Complex [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Dec. 01, 2011 |
Location | San Diego, CA |
Real estate assets, net | 13,954,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_PortOfSanDiegoComplexMember | 14,134,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_PortOfSanDiegoComplexMember
Shoreline Medical Building [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | May 01, 2012 |
Location | Half Moon Bay, CA |
Real estate assets, net | 5,994,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_ShorelineMedicalBuildingMember | 6,132,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_ShorelineMedicalBuildingMember
The Presidio [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Nov. 01, 2012 |
Location | Colorado Springs, CO |
Real estate assets, net | 6,684,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_PresidioMember | 6,977,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_PresidioMember
Sparky's Lancaster Self Storage [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | May 01, 2013 |
Location | Lancaster, CA |
Real estate assets, net | 3,616,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_SparkysLancasterSelfStorage1Member | 3,630,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_SparkysLancasterSelfStorage1Member
Bismarck Office [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Mar. 01, 2014 |
Location | Fargo, ND |
Real estate assets, net | 4,969,700 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_BismarckOfficeMember | 0 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_BismarckOfficeMember
Union Terrace [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Aug. 31, 2014 |
Location | Lakewood, CO |
Real estate assets, net | 9,032,300 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_UnionTerraceMember | 0 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_UnionTerraceMember
Centennial Tech Center [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Dec. 31, 2014 |
Location | Colorado Springs, CO |
Real estate assets, net | 15,540,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_CentennialTechCenterMember | 0 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_CentennialTechCenterMember
Arapahoe Service Center [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Dec. 31, 2014 |
Location | Centennial, CO |
Real estate assets, net | 11,873,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_ArapahoeServiceCenterMember | 0 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_ArapahoeServiceCenterMember
Union Town Center [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Date acquired | Dec. 31, 2014 |
Location | Colorado Springs, CO |
Real estate assets, net | 11,268,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_UnionTownCenterMember | 0 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_UnionTownCenterMember
NetREIT, Inc. Properties [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Real estate assets, net | 184,608,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_NetreitIncPropertiesMember | 137,138,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_NetreitIncPropertiesMember
Model Home Properties Held In Limited Partnerships [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Real estate assets, net | 13,588,900 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_ModelHomePropertiesHeldInLimitedPartnershipsMember | 23,093,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_ModelHomePropertiesHeldInLimitedPartnershipsMember
Model Home Properties [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Real estate assets, net | $ 13,588,900 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_ModelHomePropertiesMember | $ 23,093,000 us-gaap_RealEstateInvestmentPropertyNet / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = netr_ModelHomePropertiesMember

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