Annual report pursuant to Section 13 and 15(d)

Borrowings - Additional Information (Detail)

v2.4.0.8
Borrowings - Additional Information (Detail) (USD $)
12 Months Ended 1 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Agrifinance [Member]
Nov. 30, 2002
Agrifinance [Member]
Dec. 31, 2013
Mortgage Note Payable [Member]
Dec. 31, 2012
Mortgage Note Payable [Member]
MetLife [Member]
Disbursement
Dec. 31, 2011
Mortgage Note Payable [Member]
MetLife [Member]
Disbursement
Dec. 31, 2013
Mortgage Note Payable [Member]
MetLife [Member]
Dec. 31, 2010
Mortgage Note Payable [Member]
MetLife [Member]
Jan. 05, 2012
Mortgage Note Payable [Member]
MetLife [Member]
Dec. 31, 2010
Mortgage Note Payable [Member]
MetLife [Member]
Maximum [Member]
Dec. 31, 2013
Line of Credit [Member]
MetLife [Member]
May 31, 2012
Line of Credit [Member]
MetLife [Member]
Debt Instrument [Line Items]                          
Weighted average interest rate on borrowings 3.60% 3.70%                      
Amount borrowed into a long-term note payable         $ 43,054,165     $ 45,200,000     $ 45,200,000 $ 4,785,000 $ 4,800,000
Initial accrued interest rate                 3.50%        
Maturity date               Jan. 05, 2026 Jan. 05, 2026     Apr. 05, 2017  
Number of disbursements             3            
Number of additional disbursements           3              
Disbursements drawn prior to the December 2012 amendment           2              
Commitment fee on undrawn amount                   0.20%      
Maximum number of disbursement after amendment under loan agreement           3              
Number of disbursement drawn after amendment drawn to date under loan agreement           0              
Period for rate adjustment                 3 years        
Interest rate adjustment date                 Jan. 05, 2014        
Mortgage notes payable, carrying value               43,100,000          
Fair value of mortgage notes payable               43,700,000          
Revolving line of credit facility       3,300,000                  
Credit facility maturity   May 31, 2012 Dec. 01, 2017                    
Interest rate charged three-month LIBOR plus 3.00%                        
Minimum annualized rate 3.25%                        
Carrying values of our lines of credit 100,000 100,000                      
Availability of credit facility $ 4,700,000 $ 4,700,000