Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt and Lines of Credit - Debt Refinancing (Details)

v3.4.0.3
Long-Term Debt and Lines of Credit - Debt Refinancing (Details)
3 Months Ended 6 Months Ended 12 Months Ended
Apr. 27, 2016
USD ($)
Sep. 17, 2015
USD ($)
Dec. 03, 2014
USD ($)
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Mar. 04, 2014
USD ($)
Mar. 31, 2016
USD ($)
Mar. 31, 2015
USD ($)
Mar. 31, 2016
USD ($)
Mar. 31, 2015
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Debt Instrument [Line Items]                    
Interest rate term loans         $ 200,100,000   $ 200,100,000     $ 205,481,000
Outstanding balance         5,000,000   5,000,000     0
Capitalized amount of debt financing costs     $ 2,834,000              
Deferred financing costs         2,178,000   2,178,000      
Loss on extinguishment of debt         0 $ 17,000 0 $ 964,000    
Minimum debt service coverage ratio     1.10              
Tangible net worth     $ 160,000,000              
Percentage of consolidated net income     10.00%              
Minimum current ratio     1.50              
Debt to total assets ratio     0.625              
Limit on capital expenditures     $ 30,000,000              
Advances             50,132,000 63,528,000    
Scenario, Forecast                    
Debt Instrument [Line Items]                    
Annual increase of tangible net worth                 $ 161,600,000  
Other Income (Expense)                    
Debt Instrument [Line Items]                    
Loss on extinguishment of debt               $ 964,000    
Citrus Groves                    
Debt Instrument [Line Items]                    
Area of land (in acres) | a     39,300              
Farm and Ranch Land                    
Debt Instrument [Line Items]                    
Area of land (in acres) | a     14,000              
RLOC                    
Debt Instrument [Line Items]                    
Revolving line of credit     $ 25,000,000   25,000,000   25,000,000      
Availability under line of credit         20,000,000   20,000,000      
Outstanding balance         5,000,000   5,000,000     0
RLOC | 90 Day LIBOR                    
Debt Instrument [Line Items]                    
LIBOR spread     1.50%              
RLOC | LIBOR                    
Debt Instrument [Line Items]                    
Annual commitment fee (as a percent)     0.25%              
WCLC                    
Debt Instrument [Line Items]                    
Revolving line of credit     $ 70,000,000   $ 70,000,000   $ 70,000,000      
Variable interest rate         2.19%   2.19%      
Availability under line of credit         $ 56,000,000   $ 56,000,000      
Outstanding letters of credit         13,984,000   13,984,000      
Outstanding balance         0   $ 0     0
WCLC | Letter of Credit                    
Debt Instrument [Line Items]                    
Revolving line of credit     $ 20,000,000              
WCLC | One Month LIBOR                    
Debt Instrument [Line Items]                    
LIBOR spread             1.75%      
WCLC | One Month LIBOR | Minimum                    
Debt Instrument [Line Items]                    
LIBOR spread     1.75%              
Annual commitment fee (as a percent)     0.20%              
WCLC | One Month LIBOR | Maximum                    
Debt Instrument [Line Items]                    
LIBOR spread     2.50%              
Annual commitment fee (as a percent)     0.30%              
Terminated RLOC                    
Debt Instrument [Line Items]                    
Deferred financing costs         339,000   $ 339,000      
Metlife Term Loan | Citree                    
Debt Instrument [Line Items]                    
Revolving line of credit       $ 5,000,000            
Deferred financing costs         55,000   55,000      
Interest rate   5.30%   5.49%            
Advances   $ 2,000,000   $ 500,000            
Metlife Term Loan | Citree | Subsequent Event                    
Debt Instrument [Line Items]                    
Interest rate 5.28%                  
Advances $ 2,500,000                  
Fixed Interest Rate Term Loans                    
Debt Instrument [Line Items]                    
Interest rate term loans     $ 125,000,000   $ 108,438,000   $ 108,438,000     111,563,000
Quarterly principal payments     $ 2,281,250              
Fixed interest rate     4.15%   4.15%   4.15%      
Prepayment amount of the fixed term loan     $ 8,750,000              
Variable Interest Rate Term Loans                    
Debt Instrument [Line Items]                    
Interest rate term loans     $ 57,500,000   $ 53,906,000   $ 53,906,000     $ 55,344,000
LIBOR spread subject to adjustment period     2 years              
Variable interest rate         2.12%   2.12%      
Variable Interest Rate Term Loans | 90 Day LIBOR                    
Debt Instrument [Line Items]                    
LIBOR spread     1.50%