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Schedule III (Real Estate and Accumulated Depreciation and Amortization) (Detail) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 160,829,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 51,202,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 212,326,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 263,528,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 14,982,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 51,274,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 227,307,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 278,581,000 |  |  |
Real Estate Accumulated Depreciation |  | 36,311,485 | [1] | $ 29,961,472 | $ 26,540,852
Mortgage Loans on Real Estate, Write-down or Reserve, Amount |  | 1,748,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | 240,522,000 |  |  |
Office/Industrial Properties [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | 117,083,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 36,607,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 152,339,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 188,946,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 13,179,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 36,649,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 165,518,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 202,167,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 29,109,000 |  |  |
Mortgage Loans on Real Estate, Write-down or Reserve, Amount |  | 748,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | 172,310,000 |  |  |
Office/Industrial Properties [Member] | Garden Gateway Plaza [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | 6,627,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 3,035,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 12,091,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 15,126,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 1,623,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 3,035,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 13,714,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 16,749,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 5,044,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 11,705,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 03/07 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 1982 |  |  |
Office/Industrial Properties [Member] | Executive Office Park [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 4,232,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 1,266,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 8,815,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 10,081,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 494,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 1,266,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 9,309,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 10,575,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 2,451,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 8,124,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 07/08 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 2000 |  |  |
Office/Industrial Properties [Member] | Pacific Oaks Plaza [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 1,513,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 980,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 3,868,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 4,848,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 126,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 980,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 3,994,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 4,974,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 876,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 4,098,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 09/08 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 2005 |  |  |
Office/Industrial Properties [Member] | Morena Office Center [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 2,225,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 1,333,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 5,203,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 6,536,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 731,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 1,333,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 5,934,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 7,267,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 1,688,000 |  |  |
Mortgage Loans on Real Estate, Write-down or Reserve, Amount |  | 500,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 5,079,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 01/09 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 1987 |  |  |
Office/Industrial Properties [Member] | Genesis Plaza [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 6,610,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 1,400,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 8,600,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 10,000,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 1,415,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 1,400,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 10,015,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 11,415,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 2,744,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 8,671,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 03/09 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 1998 |  |  |
Office/Industrial Properties [Member] | Dakota Bank Buildings [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 10,678,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 832,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 8,743,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 9,575,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 2,945,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 832,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 11,688,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 12,520,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 2,371,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 10,149,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 08/10 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 1986 |  |  |
Office/Industrial Properties [Member] | Rangewood Medical Office Building [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 958,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 572,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 2,058,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 2,630,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 404,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 572,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 2,462,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 3,034,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 732,000 |  |  |
Mortgage Loans on Real Estate, Write-down or Reserve, Amount |  | 248,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 2,054,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 05/11 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 1982 |  |  |
Office/Industrial Properties [Member] | Shoreline Medical Building [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 3,602,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 1,820,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 4,530,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 6,350,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 22,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 1,820,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 4,552,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 6,372,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 551,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 5,821,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 12/11 |  |  |
Office/Industrial Properties [Member] | Shoreline Medical Building [Member] | Minimum [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 1971 |  |  |
Office/Industrial Properties [Member] | Shoreline Medical Building [Member] | Maximum [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 2008 |  |  |
Office/Industrial Properties [Member] | Port of San Diego Complex [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 9,852,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 9,613,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 4,887,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 14,500,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 1,070,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 9,655,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 5,957,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 15,612,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 1,460,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 14,152,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 05/12 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 1980 |  |  |
Office/Industrial Properties [Member] | The Presidio [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 6,000,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 1,325,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 5,950,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 7,275,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 866,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 1,325,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 6,816,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 8,141,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 1,532,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 6,609,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 11/12 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 1988 |  |  |
Office/Industrial Properties [Member] | Bismarck Office Building [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 4,159,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 413,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 4,926,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 5,339,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 1,116,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 413,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 6,042,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 6,455,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 1,063,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 5,392,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 03/14 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 1976 |  |  |
Office/Industrial Properties [Member] | Union Terrace [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 6,559,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 1,717,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 7,708,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 9,425,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 573,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 1,717,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 8,281,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 9,998,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 1,723,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 8,275,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 08/14 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 1982 |  |  |
Office/Industrial Properties [Member] | Centennial Tech Center [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 10,077,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 2,025,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 13,475,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 15,500,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 250,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 2,025,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 13,725,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 15,750,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 1,593,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 14,157,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 12/14 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 1999 |  |  |
Office/Industrial Properties [Member] | Arapahoe Service Center [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 8,500,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 1,420,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 10,430,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 11,850,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 477,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 1,420,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 10,907,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 12,327,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 1,120,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 11,207,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 12/14 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 2000 |  |  |
Office/Industrial Properties [Member] | West Fargo Industrial [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 4,435,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 1,693,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 6,207,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 7,900,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 87,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 1,693,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 6,294,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 7,987,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 356,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 7,631,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 08/15 |  |  |
Office/Industrial Properties [Member] | West Fargo Industrial [Member] | Minimum [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 1998 |  |  |
Office/Industrial Properties [Member] | West Fargo Industrial [Member] | Maximum [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 2005 |  |  |
Office/Industrial Properties [Member] | 300 N.P. [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | $ 135,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 3,715,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 3,850,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 115,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 135,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 3,830,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 3,965,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 215,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 3,750,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 08/15 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 1922 |  |  |
Office/Industrial Properties [Member] | Highland Court [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 6,829,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 3,608,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 9,442,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 13,050,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 556,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 3,608,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 9,998,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 13,606,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 1,094,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 12,512,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 08/15 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 1984 |  |  |
Office/Industrial Properties [Member] | One Park Centre [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 6,500,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 1,206,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 7,944,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 9,150,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 166,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 1,206,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 8,110,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 9,316,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 801,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 8,515,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 08/15 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 1983 |  |  |
Office/Industrial Properties [Member] | Shea Center II [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 17,727,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 2,214,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 23,747,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 25,961,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 143,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 2,214,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 23,890,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 26,104,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 1,695,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 24,409,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 12/15 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 2000 |  |  |
Retail Properties [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 21,486,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 9,403,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 29,494,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 38,897,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 1,803,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 9,433,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 31,297,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 40,730,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 6,331,000 |  |  |
Mortgage Loans on Real Estate, Write-down or Reserve, Amount |  | 1,000,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | 33,399,000 |  |  |
Retail Properties [Member] | World Plaza [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 1,698,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 6,232,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 7,930,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 702,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 1,698,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 6,934,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 8,632,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 2,179,000 |  |  |
Mortgage Loans on Real Estate, Write-down or Reserve, Amount |  | 700,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 5,753,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 09/07 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 1974 |  |  |
Retail Properties [Member] | Regatta Square [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 1,151,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 811,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 1,369,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 2,180,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 76,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 811,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 1,445,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 2,256,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 420,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 1,836,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 10/07 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 1996 |  |  |
Retail Properties [Member] | Waterman Plaza [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 3,939,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 2,350,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 4,814,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 7,164,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 66,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 2,380,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 4,880,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 7,260,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 1,208,000 |  |  |
Mortgage Loans on Real Estate, Write-down or Reserve, Amount |  | 300,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 5,752,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 08/08 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 2008 |  |  |
Retail Properties [Member] | Yucca Valley Retail Center [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 6,000,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 2,386,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 5,175,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 7,561,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 749,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 2,386,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 5,924,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 8,310,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 1,573,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 6,737,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 9/11, 5/12 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 1978 |  |  |
Retail Properties [Member] | Union Town Center [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 8,440,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 1,750,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 9,462,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 11,212,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 152,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 1,750,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 9,614,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 11,364,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 820,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 10,544,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 12/14 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 2003 |  |  |
Retail Properties [Member] | Research Parkway [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 1,956,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 408,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 2,442,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 2,850,000 |  |  |
SEC Schedule III Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements |  | 58,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 408,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 2,500,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 2,908,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 131,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 2,777,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 8/15 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 2003 |  |  |
Model Home [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 22,260,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 5,192,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 30,493,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 35,685,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 5,192,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 30,492,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 35,684,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 871,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | 34,813,000 |  |  |
Model Home [Member] | NetREIT Dubose Model Home REIT, Inc. [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | 7,604,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 1,902,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 11,064,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 12,966,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 1,902,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 11,063,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 12,965,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 466,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 12,499,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 2010-2016 |  |  |
Model Home [Member] | NetREIT Dubose Model Home REIT, Inc. [Member] | Minimum [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 2010 |  |  |
Model Home [Member] | NetREIT Dubose Model Home REIT, Inc. [Member] | Maximum [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 2016 |  |  |
Model Home [Member] | Dubose Model Home Investors 201 L.P. [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 250,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 63,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 460,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 523,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 63,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 460,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 523,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 51,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 472,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 2012-2014 |  |  |
Model Home [Member] | Dubose Model Home Investors 201 L.P. [Member] | Minimum [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 2012 |  |  |
Model Home [Member] | Dubose Model Home Investors 201 L.P. [Member] | Maximum [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 2014 |  |  |
Model Home [Member] | Dubose Model Home Investors 202, L.P. [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 4,456,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 1,023,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 6,304,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 7,327,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 1,023,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 6,304,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 7,327,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 188,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 7,139,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 2014-2016 |  |  |
Model Home [Member] | Dubose Model Home Investors 202, L.P. [Member] | Minimum [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 2014 |  |  |
Model Home [Member] | Dubose Model Home Investors 202, L.P. [Member] | Maximum [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 2016 |  |  |
Model Home [Member] | Dubose Model Home Investors 203, L.P. [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 4,540,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 1,005,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 5,636,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 6,641,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 1,005,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 5,636,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 6,641,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 56,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 6,585,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 2016 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 2016 |  |  |
Model Home [Member] | NetREIT Model Homes LLC [Member] |  |  |  |  |
Real Estate And Accumulated Depreciation [Line Items] |  |  |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances |  | $ 5,410,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land |  | 1,199,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements |  | 7,029,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements, Total |  | 8,228,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land |  | 1,199,000 |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements |  | 7,029,000 |  |  |
SEC Schedule III, Real Estate, Gross, Total |  | 8,228,000 |  |  |
Real Estate Accumulated Depreciation | [1] | 110,000 |  |  |
SEC Schedule III, Real Estate Investment Property, Net, Total |  | $ 8,118,000 |  |  |
Real Estate And Accumulated Depreciation Date Acquired |  | 2016 |  |  |
Real Estate And Accumulated Depreciation Year Built Or Renovated |  | 2016 |  |  |
[1] | Depreciation is computed on a straight-line basis using useful lives up to 39 years.

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- Definition Amount of reserve for write-down of a mortgage loan on real estate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29.7) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 + Details
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- Definition Amount of accumulated depreciation pertaining to real estate investments for entities with a substantial portion of business acquiring and holding investment real estate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28.FN4) -URI http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule III) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 + Details
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