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Real Estate Assets (Summary of Properties Owned) (Details) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2017 USD ($)
Real Estate And Accumulated Depreciation [Line Items] |
Real Estate Assets Owned | $ 239,304
Garden Gateway Plaza [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Mar. 01, 2007
Location | Colorado Springs, Colorado
Real Estate Assets Owned | $ 11,450
World Plaza [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Sep. 01, 2007
Location | San Bernardino, California
Real Estate Assets Owned | $ 5,738
Executive Office Park [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Jul. 01, 2008
Location | Colorado Springs, Colorado
Real Estate Assets Owned | $ 8,120
Waterman Plaza [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Aug. 01, 2008
Location | San Bernardino, California
Real Estate Assets Owned | $ 5,656
Pacific Oaks Plaza [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Sep. 01, 2008
Location | Escondido, California
Real Estate Assets Owned | $ 4,019
Morena Office Center [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Jan. 01, 2009
Location | San Diego, California
Real Estate Assets Owned | $ 4,922
Genesis Plaza [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Aug. 01, 2010
Location | San Diego, California
Real Estate Assets Owned | $ 8,707
Dakota Bank Buildings [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | May 01, 2011
Location | Fargo, North Dakota
Real Estate Assets Owned | $ 9,772
Yucca Valley Retail Center [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Sep. 01, 2011
Location | Yucca Valley, California
Real Estate Assets Owned | $ 6,605
Port of San Diego Complex [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Dec. 01, 2011
Location | San Diego, California
Real Estate Assets Owned | $ 13,957
The Presidio [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Nov. 01, 2012
Location | Aurora, Colorado
Real Estate Assets Owned | $ 6,432
Bismarck Office Building [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Mar. 01, 2014
Location | Fargo, ND
Real Estate Assets Owned | $ 5,788
Union Terrace [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Aug. 01, 2014
Location | Lakewood, Colorado
Real Estate Assets Owned | $ 8,395
Centennial Tech Center [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Dec. 01, 2014
Location | Colorado Springs, Colorado
Real Estate Assets Owned | $ 13,585
Arapahoe Service Center [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Dec. 01, 2014
Location | Centennial, Colorado
Real Estate Assets Owned | $ 10,783
Union Town Center [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Dec. 01, 2014
Location | Colorado Springs, Colorado
Real Estate Assets Owned | $ 10,293
One Park Centre [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Aug. 01, 2015
Location | Westminster, Colorado
Real Estate Assets Owned | $ 8,505
West Fargo Industrial [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Aug. 01, 2015
Location | Fargo, North Dakota
Real Estate Assets Owned | $ 7,500
300 N.P. [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Aug. 01, 2015
Location | Fargo, North Dakota
Real Estate Assets Owned | $ 3,672
Research Parkway [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Aug. 01, 2015
Location | Colorado Springs, Colorado
Real Estate Assets Owned | $ 2,710
Presidio Property Trust, Inc Properties [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Real Estate Assets Owned | $ 192,800
Highland Court [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Aug. 01, 2015
Location | Centennial, Colorado
Real Estate Assets Owned | $ 12,449
Shea Center II [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Dec. 01, 2015
Location | Highlands Ranch, Colorado
Real Estate Assets Owned | $ 23,742
Model Home Properties [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Real Estate Assets Owned | $ 46,504
Model Home Properties [Member] | Minimum [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Jan. 01, 2010
Model Home Properties [Member] | Maximum [Member] |
Real Estate And Accumulated Depreciation [Line Items] |
Date acquired | Jan. 01, 2017

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