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           Real Estate and Intangible Assets - Fair Value of Acquired Assets and Liabilities Assumed Related to Properties Acquired (Detail) (USD $) 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          In-place Leases [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Above (Below)-Market Leases [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Collins Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Collins Road [Member]
 
          In-place Leases [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Spring Valley [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Spring Valley [Member]
 
          In-place Leases [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Spring Valley [Member]
 
          Above (Below)-Market Leases [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          McIntosh Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          McIntosh Road [Member]
 
          In-place Leases [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          McIntosh Road [Member]
 
          Above (Below)-Market Leases [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Naumann Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Naumann Road [Member]
 
          In-place Leases [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Sycamore Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Sycamore Road [Member]
 
          In-place Leases [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Sycamore Road [Member]
 
          Above (Below)-Market Leases [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Wauchula Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Irrigation System [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Irrigation System [Member]
 
          Spring Valley [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Irrigation System [Member]
 
          McIntosh Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Irrigation System [Member]
 
          Naumann Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Irrigation System [Member]
 
          Sycamore Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Irrigation System [Member]
 
          Wauchula Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Site Improvements [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Site Improvements [Member]
 
          Collins Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Site Improvements [Member]
 
          McIntosh Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Site Improvements [Member]
 
          Naumann Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Site Improvements [Member]
 
          Wauchula Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Horticulture [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Horticulture [Member]
 
          Collins Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Leasing Commissions [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Leasing Commissions [Member]
 
          Collins Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Leasing Commissions [Member]
 
          Spring Valley [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Leasing Commissions [Member]
 
          McIntosh Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Leasing Commissions [Member]
 
          Naumann Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Leasing Commissions [Member]
 
          Sycamore Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Leasing Commissions [Member]
 
          Wauchula Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Customer Relationships [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Customer Relationships [Member]
 
          Collins Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Customer Relationships [Member]
 
          Spring Valley [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Customer Relationships [Member]
 
          McIntosh Road [Member] 
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           Sep. 30, 2014
 
          2014 New Real Estate Activity [Member]
 
          Customer Relationships [Member]
 
          Naumann Road [Member] 
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           Sep. 30, 2013
 
          2013 New Real Estate Activity [Member] 
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           Sep. 30, 2013
 
          2013 New Real Estate Activity [Member]
 
          38th Avenue [Member] 
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           Sep. 30, 2013
 
          2013 New Real Estate Activity [Member]
 
          Sequoia Street [Member] 
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           Sep. 30, 2013
 
          2013 New Real Estate Activity [Member]
 
          Horticulture [Member] 
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           Sep. 30, 2013
 
          2013 New Real Estate Activity [Member]
 
          Horticulture [Member]
 
          38th Avenue [Member] 
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           Sep. 30, 2013
 
          2013 New Real Estate Activity [Member]
 
          Horticulture [Member]
 
          Sequoia Street [Member] 
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           Sep. 30, 2013
 
          2013 New Real Estate Activity [Member]
 
          Leasing Commissions [Member] 
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           Sep. 30, 2013
 
          2013 New Real Estate Activity [Member]
 
          Leasing Commissions [Member]
 
          38th Avenue [Member] 
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           Sep. 30, 2013
 
          2013 New Real Estate Activity [Member]
 
          Leasing Commissions [Member]
 
          Sequoia Street [Member] 
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           Sep. 30, 2013
 
          2013 New Real Estate Activity [Member]
 
          Drain System [Member] 
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           Sep. 30, 2013
 
          2013 New Real Estate Activity [Member]
 
          Drain System [Member]
 
          38th Avenue [Member] 
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           Sep. 30, 2013
 
          2013 New Real Estate Activity [Member]
 
          Drain System [Member]
 
          Sequoia Street [Member] 
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           Sep. 30, 2014
 
          Land and Land Improvements [Member]
 
          2014 New Real Estate Activity [Member] 
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           Sep. 30, 2014
 
          Land and Land Improvements [Member]
 
          2014 New Real Estate Activity [Member]
 
          Collins Road [Member] 
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           Sep. 30, 2014
 
          Land and Land Improvements [Member]
 
          2014 New Real Estate Activity [Member]
 
          Spring Valley [Member] 
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           Sep. 30, 2014
 
          Land and Land Improvements [Member]
 
          2014 New Real Estate Activity [Member]
 
          McIntosh Road [Member] 
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           Sep. 30, 2014
 
          Land and Land Improvements [Member]
 
          2014 New Real Estate Activity [Member]
 
          Naumann Road [Member] 
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           Sep. 30, 2014
 
          Land and Land Improvements [Member]
 
          2014 New Real Estate Activity [Member]
 
          Sycamore Road [Member] 
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           Sep. 30, 2014
 
          Land and Land Improvements [Member]
 
          2014 New Real Estate Activity [Member]
 
          Wauchula Road [Member] 
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           Sep. 30, 2014
 
          Buildings [Member]
 
          2014 New Real Estate Activity [Member] 
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           Sep. 30, 2014
 
          Buildings [Member]
 
          2014 New Real Estate Activity [Member]
 
          Collins Road [Member] 
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           Sep. 30, 2014
 
          Buildings [Member]
 
          2014 New Real Estate Activity [Member]
 
          Spring Valley [Member] 
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           Sep. 30, 2014
 
          Buildings [Member]
 
          2014 New Real Estate Activity [Member]
 
          McIntosh Road [Member] 
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           Sep. 30, 2014
 
          Buildings [Member]
 
          2014 New Real Estate Activity [Member]
 
          Naumann Road [Member] 
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           Sep. 30, 2014
 
          Buildings [Member]
 
          2014 New Real Estate Activity [Member]
 
          Wauchula Road [Member] 
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           Sep. 30, 2013
 
          Buildings [Member]
 
          2013 New Real Estate Activity [Member] 
         | 
        
           Sep. 30, 2013
 
          Buildings [Member]
 
          2013 New Real Estate Activity [Member]
 
          38th Avenue [Member] 
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           Sep. 30, 2013
 
          Buildings [Member]
 
          2013 New Real Estate Activity [Member]
 
          Sequoia Street [Member] 
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           Sep. 30, 2013
 
          Land [Member]
 
          2013 New Real Estate Activity [Member] 
         | 
        
           Sep. 30, 2013
 
          Land [Member]
 
          2013 New Real Estate Activity [Member]
 
          38th Avenue [Member] 
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           Sep. 30, 2013
 
          Land [Member]
 
          2013 New Real Estate Activity [Member]
 
          Sequoia Street [Member] 
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Business Acquisition Purchase Price Allocation [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Total Acquisition Cost | $ 37,751,891 | $ 287,437 | $ (164,485) | $ 2,596,733 | $ 45,086 | $ 5,900,500 | $ 83,487 | $ (49,976) | $ 2,667,275 | $ 34,674 | $ 45,675 | $ 6,895,283 | $ 75,520 | $ 5,803,600 | $ 48,670 | $ (160,184) | $ 13,888,500 | $ 4,395,727 | $ 200,855 | $ 537,254 | $ 71,586 | $ 67,000 | $ 3,519,032 | $ 259,334 | $ 126,719 | $ 2,846 | $ 16,939 | $ 112,830 | $ 520,993 | $ 520,993 | $ 160,699 | $ 71,085 | $ 17,998 | $ 18,041 | $ 41,011 | $ 7,364 | $ 5,200 | $ 173,765 | $ 24,796 | $ 66,217 | $ 27,966 | $ 54,786 | $ 4,589,343 | $ 1,381,133 | $ 3,208,210 | $ 447,035 | $ 447,035 | $ 13,377 | $ 3,842 | $ 9,535 | $ 664,373 | $ 240,105 | $ 424,268 | $ 29,319,158 | $ 1,252,387 | $ 5,576,138 | $ 1,970,074 | $ 6,219,293 | $ 5,840,750 | $ 8,460,516 | $ 2,799,263 | $ 555,667 | $ 5,781 | $ 30,745 | $ 416,148 | $ 1,790,922 | $ 322,216 | $ 42,720 | $ 279,496 | $ 3,142,342 | $ 647,431 | $ 2,494,911 |