Quarterly report pursuant to Section 13 or 15(d)

Borrowings - Additional Information (Detail)

v3.5.0.2
Borrowings - Additional Information (Detail)
 3 Months Ended 6 Months Ended 12 Months Ended
Mar. 03, 2016
USD ($)
bond
May 09, 2014
USD ($)
Jun. 30, 2016
USD ($)
Mar. 31, 2016
Jun. 30, 2015
Jun. 30, 2016
USD ($)
Jun. 30, 2015
Dec. 31, 2015
USD ($)
Jun. 16, 2016
USD ($)
Sep. 03, 2015
Dec. 05, 2014
USD ($)
Debt Instrument [Line Items]                      
Unamortized deferred financing costs               $ 0      
Weighted average interest rate on borrowings     3.25%   3.57% 3.27% 3.56%        
Note payable, outstanding     $ 180,473,676     $ 180,473,676   141,678,935      
Line of credit, carrying value     14,500,000     14,500,000   100,000      
Aggregate amount of bonds issued     165,973,676     165,973,676   $ 141,578,935      
Farmer Mac Bonds Payable [Member]                      
Debt Instrument [Line Items]                      
Debt instrument face amount     $ 125,000,000     $ 125,000,000     $ 125,000,000   $ 75,000,000
Debt instrument, fixed interest rate     2.93%     2.93%   2.87%      
Undrawn Commitment     $ 75,763,000     $ 75,763,000   $ 41,294,000      
Remaining borrowing capacity     0     0   $ 0      
MetLife Mortgage Notes Payable [Member]                      
Debt Instrument [Line Items]                      
Debt instrument face amount   $ 100,000,000 $ 100,000,000     $ 100,000,000          
Maturity Date   Jan. 05, 2029       Jan. 05, 2029          
Debt instrument, fixed interest rate     3.35%     3.35%   3.35%   3.35%  
Undrawn Commitment     $ 12,529,806     $ 12,529,806   $ 12,529,806      
Remaining borrowing capacity     7,100,000     7,100,000          
MetLife Line of Credit [Member]                      
Debt Instrument [Line Items]                      
Debt instrument face amount   $ 25,000,000 $ 25,000,000     $ 25,000,000          
Maturity Date   Apr. 05, 2024       Apr. 05, 2024          
Debt instrument, fixed interest rate     2.88%     2.88%   2.58%      
Undrawn Commitment     $ 10,500,000     $ 10,500,000   $ 24,900,000      
Long-Term Mortgage Notes and Bonds Payable [Member]                      
Debt Instrument [Line Items]                      
Unamortized deferred financing costs     1,100,000     $ 1,100,000          
Farm Credit Central Florida Notes Payable [Member]                      
Debt Instrument [Line Items]                      
Weighted average interest rate on borrowings           3.42%          
Reduced stated interest rate           (16.10%)          
Total borrowings from credit notes payable     21,200,000     $ 21,200,000          
Farm Credit West Note Payable [Member]                      
Debt Instrument [Line Items]                      
Weighted average interest rate on borrowings           3.54%          
Total borrowings from credit notes payable     9,300,000     $ 9,300,000          
Farm Credit CFL Mortgage Notes Payable [Member]                      
Debt Instrument [Line Items]                      
Reduced stated interest rate       (16.10%)       16.10%      
Debt instrument face amount     $ 31,467,880     $ 31,467,880          
Debt instrument, fixed interest rate     3.45%     3.45%   3.42%      
Undrawn Commitment     $ 0     $ 0   $ 0      
MetLife Facility [Member]                      
Debt Instrument [Line Items]                      
Debt instrument face amount     $ 100,000,000     $ 100,000,000          
Commitment fee on undrawn amount     0.20%     0.20%       0.20%  
Period for interest rate adjustment           5 years          
Expiration date of commitment           Dec. 31, 2017          
Minimum annualized rate           2.50%          
Mortgage Note Payable [Member] | Long-Term Mortgage Notes and Bonds Payable [Member]                      
Debt Instrument [Line Items]                      
Aggregate fair value of mortgage notes payable outstanding     $ 168,800,000     $ 168,800,000          
Mortgage notes payable, carrying value     165,000,000     165,000,000          
Mortgage Note Payable [Member] | Short-Term Mortgage Notes and Bonds Payable [Member]                      
Debt Instrument [Line Items]                      
Line of credit, carrying value     14,500,000     14,500,000          
Mortgage notes payable, carrying value     $ 2,000,000     $ 2,000,000          
3.08% Fixed Interest Rate Bond [Member] | Farmer Mac Bonds Payable [Member]                      
Debt Instrument [Line Items]                      
Debt instrument face amount $ 11,100,000.0                    
Debt instrument, fixed interest rate 3.08%                    
Number of bonds issued | bond 2                    
Debt term 7 years                    
2.98% Fixed Interest Rate Bond [Member] | Farmer Mac Bonds Payable [Member]                      
Debt Instrument [Line Items]                      
Debt instrument face amount $ 4,400,000.0                    
Debt instrument, fixed interest rate 2.98%                    
Debt term 7 years                    
London Interbank Offered Rate (LIBOR) [Member] | MetLife Facility [Member]                      
Debt Instrument [Line Items]                      
Percentage added to LIBOR           2.25%