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Real Estate and Intangible Assets - Summary Information of Farms (Parenthetical) (Detail) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2015 | Jun. 30, 2015 | Jun. 30, 2014
2015 New Real Estate Activity [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Finder's fee | $ 320,905 |  |
2014 New Real Estate Activity [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Acquisition costs were direct costs incurred related to leases |  |  | $ 7,175
2014 New Real Estate Activity [Member] | McIntosh Road [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Acquisition costs were direct costs incurred related to leases |  |  | $ 19,277
New Tenant Lease Agreement [Member] | 2015 New Real Estate Activity [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Acquisition costs were direct costs incurred related to leases |  | $ 7,225 |

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- Definition The capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10.(c)(7)(ii)) -URI http://asc.fasb.org/extlink&oid=50486907&loc=d3e511914-122862 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 10 -Paragraph c -Subparagraph 3(ii)(A) -Article 4 + Details
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