Annual report pursuant to Section 13 and 15(d)

Borrowings - Additional Information (Detail)

v3.3.1.900
Borrowings - Additional Information (Detail) - USD ($)
3 Months Ended 12 Months Ended
Feb. 23, 2016
Sep. 03, 2015
May. 09, 2014
Jun. 30, 2015
Dec. 31, 2015
Dec. 15, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 05, 2014
May. 23, 2012
Dec. 30, 2010
Debt Instrument [Line Items]                      
Weighted average interest rate on borrowings         3.40%   3.60% 3.60%      
Unamortized deferred financing costs         $ 1,186,718   $ 1,039,714        
Note payable, outstanding         142,733,157   86,417,361        
Line of credit, carrying value         100,000   4,000,000        
Undrawn Commitment         78,723,806   $ 125,993,002        
Bear Mountain [Member]                      
Debt Instrument [Line Items]                      
Notes payable, drew   $ 21,100,000                  
Fixed interest rate payment period   5 years                  
Farmer Mac Bonds Payable [Member]                      
Debt Instrument [Line Items]                      
Debt instrument face amount         $ 75,000,000       $ 75,000,000    
Maturity Date         Jul. 24, 2019            
Debt instrument, fixed rate of interest         2.87%   3.25%        
Note payable, outstanding         $ 33,706,000   $ 3,675,000        
Undrawn Commitment         41,294,000   $ 71,325,000        
Farm Credit Notes Payable [Member]                      
Debt Instrument [Line Items]                      
Reduction in interest rate           12.70%          
Debt instrument face amount         $ 22,185,880            
Debt instrument, fixed rate of interest         3.42%            
Debt instrument covenants description         A maximum leverage ratio of not more than 65%; a minimum fixed charge coverage ratio of 1.4; and a minimum tangible net worth in excess of $50,000,000 (plus a certain percentage of future equity offerings).            
Debt instrument, net worth value         $ 50,000,000            
Aggregate financing costs         153,478            
Note payable, outstanding         $ 21,456,963            
Debt instrument, maximum leverage ratio         65.00%            
Debt instrument, minimum fixed charge coverage ratio         1.40%            
Percentage of outstanding bonds held by bond purchasers         110.00%            
MetLife Mortgage Notes Payable [Member]                      
Debt Instrument [Line Items]                      
Debt instrument face amount     $ 100,000,000   $ 100,000,000            
Maturity Date         Jan. 05, 2029            
Debt instrument, fixed rate of interest   3.35%     3.35%   3.61%        
Extension of fixed-rate term   44 months                  
Extended fixed-rate term maturity year and month         2020-08            
Extension of interest-only portion term   6 months                  
Extended interest-only portion maturity year and month         2016-07            
Extension of draw period term   1 year                  
Extended draw period maturity year and month         2017-12            
Note payable, outstanding         $ 87,470,194   $ 66,331,998        
Line of credit, carrying value         100,000            
Undrawn Commitment         12,529,806   $ 33,668,002        
MetLife Mortgage Notes Payable [Member] | Bear Mountain [Member]                      
Debt Instrument [Line Items]                      
Debt instrument, fixed rate of interest   3.35%                  
Metlife Line of Credit [Member]                      
Debt Instrument [Line Items]                      
Debt instrument face amount     $ 25,000,000   $ 25,000,000            
Maturity Date         Apr. 05, 2024            
Debt instrument, fixed rate of interest         2.58%   2.75%        
Note payable, outstanding         $ 100,000   $ 4,000,000        
Undrawn Commitment         24,900,000   $ 21,000,000        
New MetLife Credit Facility [Member]                      
Debt Instrument [Line Items]                      
Debt instrument face amount         $ 100,000,000            
Commitment fee on undrawn amount         0.20%            
Debt instrument interest rate         Three-month LIBOR plus a spread of 2.50%            
New Credit Facility maximum borrowing capacity, percentage     58.00%                
Period for interest rate adjustment         3 years            
Expiration date of commitment         Dec. 31, 2017            
Percentage added to LIBOR   2.25%     2.50%            
Minimum annualized rate   2.50%     2.75%            
Reduction in interest rate spread, basis points   0.25%                  
Reduction in floor interest rate, basis points   0.25%                  
Loan fees aggregate amount         $ 220,500            
Aggregate financing costs         659,329            
Unamortized deferred financing costs         298,614            
Line of credit, carrying value         100,000            
Remaining borrowing capacity         8,900,000            
Farm Credit Mortgage Notes Payable [Member]                      
Debt Instrument [Line Items]                      
Reduction in interest rate       12.70%     12.70%        
Debt instrument face amount         $ 22,185,880            
Maturity Date         Apr. 09, 2031            
Debt instrument, fixed rate of interest         3.42%   3.53%        
Note payable, outstanding         $ 21,456,963   $ 12,410,363        
Metlife Line of Credit and Notes Payable [Member]                      
Debt Instrument [Line Items]                      
Undrawn Commitment         37,400,000            
Subsequent Event [Member] | New MetLife Credit Facility [Member]                      
Debt Instrument [Line Items]                      
Remaining borrowing capacity $ 12,500,000                    
As Previously Reported [Member] | MetLife Mortgage Notes Payable [Member]                      
Debt Instrument [Line Items]                      
Reduction in interest rate   0.26%                  
Blended fixed interest rate   3.61%                  
As Previously Reported [Member] | New MetLife Credit Facility [Member]                      
Debt Instrument [Line Items]                      
Percentage added to LIBOR   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         139,700,000            
Mortgage notes payable, carrying value         140,400,000            
Mortgage Note Payable [Member] | Short-Term Mortgage Notes and Bonds Payable [Member]                      
Debt Instrument [Line Items]                      
Mortgage notes payable, carrying value         $ 2,200,000            
Farmer Mac Facility [Member] | Farmer Mac Bonds Payable [Member]                      
Debt Instrument [Line Items]                      
Maximum loan-to-value ratio         60.00%            
MetLife [Member] | Prior MetLife Line Of Credit Facility [Member]                      
Debt Instrument [Line Items]                      
Debt instrument face amount                   $ 4,800,000  
Maturity Date         Apr. 05, 2017            
Debt instrument interest rate         Three-month LIBOR plus 3.00%            
MetLife [Member] | Prior MetLife Note Payable [Member]                      
Debt Instrument [Line Items]                      
Maturity Date         Jan. 05, 2026            
Debt instrument, fixed rate of interest         3.50%            
Commitment fee on undrawn amount         0.20%            
MetLife [Member] | Prior MetLife Note Payable [Member] | Maximum [Member]                      
Debt Instrument [Line Items]                      
Debt instrument face amount                     $ 45,200,000
MetLife [Member] | Line of Credit [Member] | New MetLife Credit Facility [Member]                      
Debt Instrument [Line Items]                      
Debt instrument covenants description         A debt-to-asset-value ratio of equal to or less than sixty-five percent (65%); a net worth value in excess of $50,000,000; a debt-to-two-times-net-worth ratio of equal to or less than 0.65; and a rental-revenue-to-debt ratio of equal to or greater than 5.0%.            
Debt instrument, net worth value         $ 50,000,000            
Farm Credit Loan Maturing in May 2030 [Member] | Farm Credit Notes Payable [Member]                      
Debt Instrument [Line Items]                      
Debt instrument covenants description         A net worth value in excess of $50,000,000; and a maximum leverage ratio of equal to or less than sixty-five percent (65%)            
Debt instrument, net worth value         $ 50,000,000            
Loan fees aggregate amount         120,351            
Aggregate financing costs         $ 223,620            
Loan-to-value ratio         60.00%            
Notes payable of principal and interest due period         12 months