| Real Estate and Intangible Assets - Summary of Components of Investments in Real Estate (Detail) (USD $) | Sep. 30, 2013 | Dec. 31, 2012 | 
|---|---|---|
| Real estate: | ||
| Land | $ 33,969,564 | $ 30,828,325 | 
| Building | 1,641,120 | 1,311,027 | 
| Cooler | 4,963,243 | 4,963,243 | 
| Drain system | 3,845,514 | 2,576,373 | 
| Horticulture | 447,035 | |
| Real estate, gross | 44,866,476 | 39,678,968 | 
| Accumulated depreciation | (2,978,718) | (2,535,084) | 
| Real estate, net | $ 41,887,758 | $ 37,143,884 | 
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- Definition Cooler. No definition available. 
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- Definition Drain system. No definition available. 
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- Definition Investment building. No definition available. 
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- Definition Real estate related to horticulture inventory. No definition available. 
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- Definition Amount before accumulated depletion of real estate held for productive use, excluding land held for sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition The cumulative amount of depreciation for real estate property held for investment purposes. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
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- Definition Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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