Quarterly report [Sections 13 or 15(d)]

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

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Long-Term Debt and Lines of Credit - Narrative (Details)
 3 Months Ended 6 Months Ended
Sep. 17, 2024
USD ($)
Dec. 26, 2023
USD ($)
Dec. 31, 2024
Mar. 31, 2025
USD ($)
a
Loan
Sep. 30, 2024
USD ($)
Debt Instrument [Line Items]          
Debt instrument covenant minimum liquidity, amount       $ 7,427,000  
Adjusted fixed interest rate       3.85%  
Minimum debt service coverage ratio       1.10  
Tangible net worth       $ 160,000,000  
Percentage of consolidated net income       10.00%  
Annual increase of tangible net worth       $ 175,263,000  
Minimum current ratio       1.50  
Debt to total assets ratio       0.625  
Deb t instrument covenant loan to value cap ratio       55.00%  
Fixed interest rate       5.35%  
Silver Nip Citrus          
Debt Instrument [Line Items]          
Covenant ratio       1.00  
Grove Management Services          
Debt Instrument [Line Items]          
Area of land (in acres) | a       36,175  
Met Fixed-Rate Term Loans | Silver Nip Citrus          
Debt Instrument [Line Items]          
Area of property that served as collateral (in acres) | a       5,700  
Number of fixed rate term loans | Loan       2  
Long-term debt       $ 27,550,000  
Quarterly principal payments       290,000  
Variable Rate Term Loan          
Debt Instrument [Line Items]          
Debt prepayment   $ 19,094,000      
Revolving Credit Facility | Met Fixed-Rate Term Loans          
Debt Instrument [Line Items]          
Revolving line of credit       125,000,000  
Revolving Credit Facility | Variable Rate Term Loan          
Debt Instrument [Line Items]          
Revolving line of credit       57,500,000  
Working Capital Line Of Credit          
Debt Instrument [Line Items]          
Revolving line of credit       70,000,000  
RLOC          
Debt Instrument [Line Items]          
Revolving line of credit       25,000,000  
Outstanding standby letters of credit $ 95,000,000     $ 88,506,000 $ 86,606,000
LIBOR spread (as a percent) 2.20%     0.25%  
Variable interest rate 5.00%        
Line of credit facility, minimum balance $ 2,500,000        
LIBOR spread subject to adjustment period     2 years    
RLOC | Variable Rate Term Loan          
Debt Instrument [Line Items]          
Variable interest rate       6.53% 7.30%
Metlife Term Loan | Citree          
Debt Instrument [Line Items]          
Revolving line of credit       $ 5,000,000  
Area of property that served as collateral (in acres) | a       1,200  
Fixed interest rate       5.28%