Quarterly report pursuant to Section 13 or 15(d)

Real Estate and Intangible Assets - Fair Value of Acquired Assets and Liabilities Assumed Related to Properties Acquired (Detail)

v3.3.0.814
Real Estate and Intangible Assets - Fair Value of Acquired Assets and Liabilities Assumed Related to Properties Acquired (Detail) - USD ($)
Sep. 30, 2015
Sep. 30, 2014
Business Acquisition [Line Items]    
Total Purchase Price $ 66,506,980 $ 37,610,833
Irrigation System [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 4,077,857 4,365,741
Leasing Commissions [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   137,941
Customer Relationships [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   173,765
Site Improvements [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   258,373
Horticulture [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   520,993
Above (Below)-Market Leases [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   (164,485)
Leasing Costs [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 326,394  
Tenant Relationships [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 396,458  
In-place Leases [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 530,283 287,437
Espinosa Road [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 16,905,500  
Espinosa Road [Member] | Irrigation System [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 497,401  
Espinosa Road [Member] | Leasing Costs [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 43,894  
Espinosa Road [Member] | Tenant Relationships [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 180,789  
Espinosa Road [Member] | In-place Leases [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 246,472  
Parrish Road [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 3,913,280  
Parrish Road [Member] | Irrigation System [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 1,299,851  
Parrish Road [Member] | Leasing Costs [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 77,449  
Parrish Road [Member] | Tenant Relationships [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 35,892  
Parrish Road [Member] | In-place Leases [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 54,405  
Immokalee Exchange [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 15,757,700  
Immokalee Exchange [Member] | Irrigation System [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 515,879  
Immokalee Exchange [Member] | Leasing Costs [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 148,691  
Immokalee Exchange [Member] | Tenant Relationships [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 179,777  
Immokalee Exchange [Member] | In-place Leases [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 229,406  
Collins Road [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   2,591,333
Collins Road [Member] | Leasing Commissions [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   65,685
Collins Road [Member] | Customer Relationships [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   24,796
Collins Road [Member] | Site Improvements [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   126,719
Collins Road [Member] | Horticulture [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   520,993
Collins Road [Member] | In-place Leases [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   45,086
Spring Valley [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   5,900,000
Spring Valley [Member] | Irrigation System [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   200,855
Spring Valley [Member] | Leasing Commissions [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   17,498
Spring Valley [Member] | Customer Relationships [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   66,217
Spring Valley [Member] | Above (Below)-Market Leases [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   (49,976)
Spring Valley [Member] | In-place Leases [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   83,487
McIntosh Road [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   2,666,000
McIntosh Road [Member] | Irrigation System [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   537,254
McIntosh Road [Member] | Leasing Commissions [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   16,766
McIntosh Road [Member] | Customer Relationships [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   27,966
McIntosh Road [Member] | Site Improvements [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   2,846
McIntosh Road [Member] | Above (Below)-Market Leases [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   45,675
McIntosh Road [Member] | In-place Leases [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   34,674
Holt County [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 5,504,000  
Holt County [Member] | Irrigation System [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 729,884  
Holt County [Member] | Leasing Costs [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 27,494  
Rock County [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 5,504,000  
Rock County [Member] | Irrigation System [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 540,589  
Rock County [Member] | Leasing Costs [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 28,866  
Bear Mountain [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 18,922,500  
Bear Mountain [Member] | Irrigation System [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 494,253  
Naumann Road [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   6,888,500
Naumann Road [Member] | Irrigation System [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   71,586
Naumann Road [Member] | Leasing Commissions [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   34,228
Naumann Road [Member] | Customer Relationships [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   54,786
Naumann Road [Member] | Site Improvements [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   16,939
Naumann Road [Member] | In-place Leases [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   75,520
Sycamore Road [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   5,800,000
Sycamore Road [Member] | Irrigation System [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   67,000
Sycamore Road [Member] | Leasing Commissions [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   3,764
Sycamore Road [Member] | Above (Below)-Market Leases [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   (160,184)
Sycamore Road [Member] | In-place Leases [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   48,670
Wauchula Road [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   13,765,000
Wauchula Road [Member] | Irrigation System [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   3,489,046
Wauchula Road [Member] | Site Improvements [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   111,869
Land and Land Improvements [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 60,647,299 29,247,066
Land and Land Improvements [Member] | Espinosa Road [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 15,852,466  
Land and Land Improvements [Member] | Parrish Road [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 2,403,064  
Land and Land Improvements [Member] | Immokalee Exchange [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 14,410,840  
Land and Land Improvements [Member] | Collins Road [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   1,252,387
Land and Land Improvements [Member] | Spring Valley [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   5,576,138
Land and Land Improvements [Member] | McIntosh Road [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   1,970,074
Land and Land Improvements [Member] | Holt County [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 4,690,369  
Land and Land Improvements [Member] | Rock County [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 4,862,313  
Land and Land Improvements [Member] | Bear Mountain [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 18,428,247  
Land and Land Improvements [Member] | Naumann Road [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   6,219,293
Land and Land Improvements [Member] | Sycamore Road [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   5,840,750
Land and Land Improvements [Member] | Wauchula Road [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   8,388,424
Buildings and Improvements [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 528,689 2,784,002
Buildings and Improvements [Member] | Espinosa Road [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 84,478  
Buildings and Improvements [Member] | Parrish Road [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 42,619  
Buildings and Improvements [Member] | Immokalee Exchange [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 273,107  
Buildings and Improvements [Member] | Collins Road [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   555,667
Buildings and Improvements [Member] | Spring Valley [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   5,781
Buildings and Improvements [Member] | McIntosh Road [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   30,745
Buildings and Improvements [Member] | Holt County [Member]    
Business Acquisition [Line Items]    
Total Purchase Price 56,253  
Buildings and Improvements [Member] | Rock County [Member]    
Business Acquisition [Line Items]    
Total Purchase Price $ 72,232  
Buildings and Improvements [Member] | Naumann Road [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   416,148
Buildings and Improvements [Member] | Wauchula Road [Member]    
Business Acquisition [Line Items]    
Total Purchase Price   $ 1,775,661