Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt and Lines of Credit - Silver Nip Citrus Debt (Details)

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Long-Term Debt and Lines of Credit - Silver Nip Citrus Debt (Details)
 3 Months Ended
Dec. 03, 2014
USD ($)
Sep. 04, 2014
USD ($)
a
loan
Dec. 31, 2015
USD ($)
a
loan
Sep. 30, 2015
USD ($)
Mar. 31, 2015
USD ($)
Feb. 15, 2015
USD ($)
Debt Instrument [Line Items]            
Number of fixed rate term loans | loan   2        
Interest rate term loans     $ 202,781,000 $ 205,481,000    
Deferred financing costs     2,360,000      
Minimum current ratio 1.50          
Rabo Agrifinance, Inc. variable rate term loan. The loan was refinanced on December 3, 2014.            
Debt Instrument [Line Items]            
Deferred financing costs     339,000      
Metropolitan Life Insurance Company and New England Life Insurance Company fixed rate term loans in the original principal amount of $125,000,000: the loans bear interest at the rate of 4.15% per annum as of December 31, 2015. The loans are collateralized by real estate and mature in November 2029.            
Debt Instrument [Line Items]            
Interest rate term loans $ 125,000,000   $ 110,000,000 $ 111,563,000    
Fixed interest rate 4.15%   4.15%      
Quarterly principal payments $ 2,281,250          
Prepayment amount of the fixed term loan $ 8,750,000          
Silver Nip Citrus            
Debt Instrument [Line Items]            
Area of land acquired (in acres) | a     7,400      
Minimum current ratio     1.5      
Silver Nip Citrus | Rabo Agrifinance, Inc. variable rate term loan. The loan was refinanced on December 3, 2014.            
Debt Instrument [Line Items]            
Revolving line of credit         $ 6,000,000  
Silver Nip Citrus | TRB            
Debt Instrument [Line Items]            
Area of land acquired (in acres) | a   1,500        
Silver Nip Citrus | Metropolitan Life Insurance Company and New England Life Insurance Company fixed rate term loans in the original principal amount of $125,000,000: the loans bear interest at the rate of 4.15% per annum as of December 31, 2015. The loans are collateralized by real estate and mature in November 2029.            
Debt Instrument [Line Items]            
Number of fixed rate term loans | loan     2      
Interest rate term loans     $ 27,550,000      
Fixed interest rate     5.35%      
Quarterly principal payments     $ 290,000      
Prepayment amount of the fixed term loan     5,000,000      
Amount of prepayment           $ 750,000
Silver Nip Citrus | Metropolitan Life Insurance Company and New England Life Insurance Company fixed rate term loans in the original principal amount of $125,000,000: the loans bear interest at the rate of 4.15% per annum as of December 31, 2015. The loans are collateralized by real estate and mature in November 2029. | Prudential            
Debt Instrument [Line Items]            
Interest rate term loans   $ 5,500,000        
Quarterly principal payments   $ 55,000        
Silver Nip Citrus | Fixed Rate Term Loan1            
Debt Instrument [Line Items]            
Fixed interest rate   3.85%        
Silver Nip Citrus | Fixed Rate Term Loan2            
Debt Instrument [Line Items]            
Fixed interest rate   3.45%        
Silver Nip Citrus | Silver Nip Citrus Debt            
Debt Instrument [Line Items]            
Deferred financing costs     $ 372,000