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Recent Real Estate Transactions (Details) |  |  |  |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 24, 2015 USD ($) ft² Story | Aug. 28, 2015 USD ($) ft² Story | Aug. 26, 2015 USD ($) ft² Story | Aug. 13, 2015 USD ($) ft² Story | Aug. 08, 2015 USD ($) ft² Story | Apr. 24, 2015 USD ($) | Apr. 10, 2015 USD ($) | Dec. 31, 2015 USD ($) Property
Highlands Ranch, Colorado [Member] |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
Number of story acquired | Story | 4 |  |  |  |  |  |  |
Rentable square feet | ft² | 121,399 |  |  |  |  |  |  |
Purchase price of property acquired | $ 25,300,000 |  |  |  |  |  |  |
Occupancy rate | 100.00% |  |  |  |  |  |  |
Westminster, Colorado [Member] |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
Number of story acquired | Story |  | 4 |  |  |  |  |  |
Rentable square feet | ft² |  | 69,200 |  |  |  |  |  |
Purchase price of property acquired |  | $ 9,100,000 |  |  |  |  |  |
Occupancy rate |  | 96.00% |  |  |  |  |  |
Centennial, Colorado [Member] |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
Number of story acquired | Story |  |  | 4 |  |  |  |  |
Rentable square feet | ft² |  |  | 93,000 |  |  |  |  |
Purchase price of property acquired |  |  | $ 13,100,000 |  |  |  |  |
Occupancy rate |  |  | 97.00% |  |  |  |  |
Colorado Springs ,Colorado [Member] |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
Number of story acquired | Story |  |  |  | 1 |  |  |  |
Rentable square feet | ft² |  |  |  | 10,700 |  |  |  |
Occupancy rate |  |  |  | 100.00% |  |  |  |
Purchase price of property acquired |  |  |  | $ 2,900,000 |  |  |  |
Fargo, North Dakota [Member] |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
Number of story acquired | Story |  |  |  |  | 2 |  |  |
Rentable square feet | ft² |  |  |  |  | 36,500 |  |  |
Occupancy rate |  |  |  |  | 86.40% |  |  |
Purchase price of property acquired |  |  |  |  | $ 3,900,000 |  |  |
West Fargo Industrial [Member] | Residential Properties [Member] |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
Number of story acquired | Story |  |  |  |  | 7 |  |  |
Rentable square feet | ft² |  |  |  |  | 152,154 |  |  |
Occupancy rate |  |  |  |  | 97.60% |  |  |
Purchase price of property acquired |  |  |  |  | $ 7,900,000 |  |  |
Seventeen Model Homes [Member] | Residential Properties [Member] |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
Purchase price of property acquired |  |  |  |  |  |  |  | $ 5,700,000
Sparkys Self-Storage Portfolio, Disposal Group [Member] |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
Business acquisition contributed revenue |  |  |  |  |  |  |  | 1,800,000
Business acquisition operating expenses |  |  |  |  |  |  |  | 666,000
Proceeds from sale of property |  |  |  |  |  |  | $ 34,000,000 |
Mortgage notes payable retired |  |  |  |  |  |  | 16,900,000 |
Gain (loss) on sale of property |  |  |  |  |  |  | $ 4,700,000 |
Yucca Valley Retail Center [Member] |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
Proceeds from sale of property |  |  |  |  |  | $ 1,500,000 |  |
Gain (loss) on sale of property |  |  |  |  |  | $ 1,000,000 |  |
Four Dubos Model Homes [Member] | Residential Properties [Member] |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
Proceeds from sale of property |  |  |  |  |  |  |  | 2,700,000
Mortgage notes payable retired |  |  |  |  |  |  |  | 1,100,000
Gain (loss) on sale of property |  |  |  |  |  |  |  | $ 473,000
Number of properties \ Property | Property |  |  |  |  |  |  |  | 5

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- Definition The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition Aggregate cash payments for a combination of transactions that are classified as investing activities in which assets, which may include securities, other types of investments, or productive assets, are purchased from third-party sellers. This element can be used by entities to aggregate payments for all asset purchases that are classified as investing activities. + References No definition available. + Details
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