Quarterly report pursuant to Section 13 or 15(d)

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

v3.3.1.900
Long-Term Debt and Lines of Credit - Debt Refinancing (Details)
 3 Months Ended 12 Months Ended
Mar. 01, 2016
USD ($)
Sep. 17, 2015
USD ($)
Dec. 03, 2014
USD ($)
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Mar. 04, 2014
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Sep. 30, 2016
USD ($)
Jan. 19, 2016
USD ($)
Sep. 30, 2015
USD ($)
Debt Instrument [Line Items]                  
Interest rate term loans         $ 202,781,000       $ 205,481,000
Outstanding balance         25,132,000       0
Outstanding balance transferred         25,000,000       0
Remaining balance         132,000       0
Capitalized amount of debt financing costs     $ 2,834,000            
Deferred financing costs         2,360,000        
Loss on extinguishment of debt         0 $ 947,000      
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         24,986,000 36,319,000      
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           $ 947,000      
Citrus Groves                  
Debt Instrument [Line Items]                  
Area of land (in acres) | a     39,300            
Farmland                  
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        
Outstanding balance         0       0
RLOC | Subsequent Event                  
Debt Instrument [Line Items]                  
Outstanding balance transferred               $ 25,000,000  
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        
Variable interest rate         1.99%        
Availability under line of credit         $ 30,884,000        
Outstanding letters of credit         13,984,000        
Outstanding balance         25,132,000       0
Remaining balance         $ 132,000        
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%            
Old RLOC                  
Debt Instrument [Line Items]                  
Deferred financing costs         $ 339,000        
Metlife Term Loan | Citree                  
Debt Instrument [Line Items]                  
Revolving line of credit       $ 5,000,000          
Deferred financing costs         56,131        
Interest rate   5.30%   5.49%          
Advances   $ 2,000,000   $ 500,000          
Metlife Term Loan | Scenario, Forecast | Citree                  
Debt Instrument [Line Items]                  
Advances $ 2,500,000                
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
Quarterly principal payments     $ 2,281,250            
Fixed interest rate     4.15%   4.15%        
Prepayment amount of the fixed term loan     $ 8,750,000            
Metropolitan Life Insurance Company and New England Life Insurance Company variable rate term loans in the original principal amounts of $57,500,000: the variable interest rate was approximately 1.82% 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     $ 57,500,000   $ 54,625,000       $ 55,344,000
LIBOR spread subject to adjustment period     2 years            
Variable interest rate         1.82%        
Metropolitan Life Insurance Company and New England Life Insurance Company variable rate term loans in the original principal amounts of $57,500,000: the variable interest rate was approximately 1.82% per annum as of December 31, 2015. The loans are collateralized by real estate and mature in November 2029. | 90 Day LIBOR                  
Debt Instrument [Line Items]                  
LIBOR spread     1.50%