Annual report pursuant to Section 13 and 15(d)

Subsequent Events - Additional Information (Detail)

v3.6.0.2
Subsequent Events - Additional Information (Detail)
 12 Months Ended
Jan. 12, 2017
USD ($)
a
farm
debt_instrument
option
Dec. 31, 2016
USD ($)
a
farm
debt_instrument
Dec. 31, 2015
USD ($)
a
farm
Dec. 31, 2014
USD ($)
Subsequent Event [Line Items]        
Number of farms | farm   58 43  
Total Acres | a   50,592 16,810  
Proceeds from notes payable   $ 54,403,000 $ 60,841,476 $ 41,188,600
Farm Credit Mortgage Notes Payable        
Subsequent Event [Line Items]        
Number of bonds issued | debt_instrument   3    
Subsequent Event | Farm Credit Mortgage Notes Payable        
Subsequent Event [Line Items]        
Number of bonds issued | debt_instrument 4      
Proceeds from notes payable $ 32,400,000      
Weighted-average interest rate (as percent) 3.33%      
Subsequent Event | Farm Credit Mortgage Notes Payable | Minimum        
Subsequent Event [Line Items]        
Term of debt 3 years      
Interest rate (as percent) 2.80%      
Subsequent Event | Farm Credit Mortgage Notes Payable | Maximum        
Subsequent Event [Line Items]        
Term of debt 7 years      
Interest rate (as percent) 3.63%      
Subsequent Event | New MetLife Credit Facility        
Subsequent Event [Line Items]        
Proceeds from lines of credit $ 18,500,000      
Subsequent Event | 2017 New Real Estate Activity | Martin County, Florida        
Subsequent Event [Line Items]        
Number of farms | farm 1      
Consideration transferred $ 54,000,000      
Total Acres | a 3,748      
Lease expiration period 7 years      
Number of renewal options | option 5      
Lease period for extension 5 years      
Annualized straight-line rent $ 2,900,000