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Real Estate and Lease Intangibles - Carrying Value of Lease Intangibles and Accumulated Amortization for Each Intangible Asset or Liability Class (Detail) - USD ($) | Dec. 31, 2016 | Dec. 31, 2015
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Finite-Lived Intangible Assets [Line Items] |  |
Estimated Amortization Expense | $ 1,999,773 | $ 1,763,541
Lease intangibles: |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross | 3,273,379 | 2,789,810
Finite-lived intangible asset, accumulated (amortization) accretion | (1,273,606) | (1,026,269)
Estimated Amortization Expense | 1,999,773 | 1,763,541
In-place leases |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross | 1,480,842 | 1,225,955
Leasing costs |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross | 1,086,582 | 677,112
Tenant relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross | 705,955 | 886,743
Above-market lease values |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross | 19,528 | 19,528
Finite-lived intangible asset, accumulated (amortization) accretion | (14,050) | (7,540)
Below-market lease values and deferred revenue |  |
Finite-Lived Intangible Assets [Line Items] |  |
Below-market lease values, gross | (785,045) | (202,579)
Below-market lease values, accumulated (amortization) accretion | 61,389 | 23,205
Above and below market lease values and deferred revenue |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets (liability) gross | (765,517) | (183,051)
Finite-lived intangible asset, accumulated (amortization) accretion | $ 47,339 | $ 15,665

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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