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Real Estate and Intangible Assets - Fair Value of Assets Acquired and Liabilities Assumed Related to Property Acquired (Detail) - USD ($) | Mar. 31, 2016 | Mar. 31, 2015
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2015 New Real Estate Activity [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | $ 20,818,780
2015 New Real Estate Activity [Member] | Espinosa Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 16,905,500
2015 New Real Estate Activity [Member] | Parrish Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 3,913,280
2015 New Real Estate Activity [Member] | Irrigation System [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 1,797,252
2015 New Real Estate Activity [Member] | Irrigation System [Member] | Espinosa Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 497,401
2015 New Real Estate Activity [Member] | Irrigation System [Member] | Parrish Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 1,299,851
2015 New Real Estate Activity [Member] | In-place Leases [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 300,877
2015 New Real Estate Activity [Member] | In-place Leases [Member] | Espinosa Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 246,472
2015 New Real Estate Activity [Member] | In-place Leases [Member] | Parrish Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 54,405
2015 New Real Estate Activity [Member] | Leasing Costs [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 121,344
2015 New Real Estate Activity [Member] | Leasing Costs [Member] | Espinosa Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 43,895
2015 New Real Estate Activity [Member] | Leasing Costs [Member] | Parrish Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 77,449
2015 New Real Estate Activity [Member] | Customer Relationships [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 216,680
2015 New Real Estate Activity [Member] | Customer Relationships [Member] | Espinosa Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 180,788
2015 New Real Estate Activity [Member] | Customer Relationships [Member] | Parrish Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 35,892
2016 New Real Estate Activity [Member] | Gunbarrel Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | $ 25,735,815 |
2016 New Real Estate Activity [Member] | Irrigation System [Member] | Gunbarrel Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | 2,830,738 |
2016 New Real Estate Activity [Member] | In-place Leases [Member] | Gunbarrel Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | 381,977 |
2016 New Real Estate Activity [Member] | Leasing Costs [Member] | Gunbarrel Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | 249,893 |
2016 New Real Estate Activity [Member] | Other Improvements [Member] | Gunbarrel Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | 2,079,102 |
Land and Land Improvements [Member] | 2015 New Real Estate Activity [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 18,255,530
Land and Land Improvements [Member] | 2015 New Real Estate Activity [Member] | Espinosa Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 15,852,466
Land and Land Improvements [Member] | 2015 New Real Estate Activity [Member] | Parrish Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 2,403,064
Land and Land Improvements [Member] | 2016 New Real Estate Activity [Member] | Gunbarrel Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | 16,755,814 |
Buildings [Member] | 2015 New Real Estate Activity [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 127,097
Buildings [Member] | 2015 New Real Estate Activity [Member] | Espinosa Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 84,478
Buildings [Member] | 2015 New Real Estate Activity [Member] | Parrish Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | $ 42,619
Buildings [Member] | 2016 New Real Estate Activity [Member] | Gunbarrel Road [Member] |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | $ 3,438,291 |

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- Definition Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=35744172&loc=d3e2207-128464 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472 + Details
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