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Real Estate Assets and Lease Intangibles, Disposals of Properties (Details) (USD $) | 12 Months Ended
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Dec. 31, 2013 Property | Dec. 31, 2012 Property
Model Home Properties [Member] |  |
Real Estate Properties [Line Items] |  |
Number of units disposed of (in units) | 32 | 35
Proceeds from sale of property | $ 9,800,000 | $ 8,900,000
Mortgage notes payable retired | 3,500,000 | 1,500,000
Gain (loss) on sale of property | 1,297,753 | 260,360
Allocated Purchase Price of Properties Sold [Abstract] |  |
Land | 1,183,379 | 1,213,417
Buildings and other | 7,743,608 | 8,196,975
Total cost | 8,926,987 | 9,410,392
Casa Grande Apartments [Member] |  |
Real Estate Properties [Line Items] |  |
Proceeds from sale of property | 1,800,000 |
Mortgage notes payable retired | 1,300,000 |
Gain (loss) on sale of property | 322,356 |
Allocated Purchase Price of Properties Sold [Abstract] |  |
Land | 220,572 |
Buildings and other | 1,190,822 |
Total cost | 1,411,394 |
Sparky's Rialto Self-Storage [Member] |  |
Real Estate Properties [Line Items] |  |
Proceeds from sale of property |  | 290,000
Gain (loss) on sale of property |  | 103,500
Percentage of land sold (in hundredths) |  | 40.00%
Allocated Purchase Price of Properties Sold [Abstract] |  |
Land |  | 159,775
Buildings and other |  | 0
Total cost |  | 159,775
7-Eleven [Member] |  |
Real Estate Properties [Line Items] |  |
Proceeds from sale of property |  | 1,900,000
Gain (loss) on sale of property |  | 637,900
Allocated Purchase Price of Properties Sold [Abstract] |  |
Land |  | 553,359
Buildings and other |  | 714,680
Total cost |  | $ 1,268,039

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- Definition The number of units in a real estate property disposed of during the period. + References No definition available. + Details
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- Definition The percentage of land sold. + References No definition available. + Details
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- Definition The carrying amount of buildings and other held as real estate investments that was sold during the period. + References No definition available. + Details
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- Definition The carrying amount of land held as real estate investments that was sold during the period. + References No definition available. + Details
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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=6943989&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The carrying amount of mortgage loans on real estate that were sold during the reporting period. + References Reference 1: 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=6882300&loc=d3e5864-122674 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 29 -Article 12 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule IV -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29.6) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 + Details
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- Definition Cash received for the sale of real estate that is not part of an investing activity during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 24 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The carrying amount of real estate sold during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule III -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 28 -Article 12 Reference 3: 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=6882300&loc=d3e5864-122674 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28.4) -URI http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024 + Details
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