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Long-Term Debt and Lines of Credit - Narrative (Details) | 1 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2020 USD ($) | Sep. 30, 2021 USD ($) a Loan | Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($) | Apr. 30, 2021 USD ($) a | Nov. 30, 2019 USD ($) | Mar. 31, 2018 USD ($) | Sep. 30, 2014 USD ($) | Sep. 04, 2014 a
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Adjusted fixed interest rate |  | 3.85% |  |  |  |  |  |  |
Borrowings on revolving lines of credit | $ 70,000,000 | $ 47,793,000 | $ 117,523,000 | $ 86,546,000 |  |  |  |  |
Deferred Financing Costs, Net |  | $ 986,000 | 1,151,000 |  |  |  |  |  |
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 |  | $ 169,730,000 |  |  |  |  |  |  |
Minimum current ratio |  | 1.50 |  |  |  |  |  |  |
Debt to total assets ratio |  | 0.625 |  |  |  |  |  |  |
Limit on capital expenditures |  | $ 30,000,000 |  |  |  |  |  |  |
Debt issuance cost, net |  | $ 986,000 | 1,151,000 |  |  |  |  |  |
Silver Nip Citrus |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Area of property that served as collateral (in acres) | a |  |  |  |  |  |  |  |  | 1,500
Number of fixed rate term loans | Loan |  | 2 |  |  |  |  |  |  |
Covenant ratio |  | 1.00 |  |  |  |  |  |  |
Citrus Groves |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Area of land (in acres) | a |  | 38,200 |  |  | 38,200 |  |  |  |
Citrus Groves | Silver Nip Citrus |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Area of land owned (in acres) | a |  | 1,500 |  |  |  |  |  |  |
Farm and Ranch Land |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Area of land (in acres) | a |  | 5,800 |  |  | 5,800 |  |  |  |
Met Fixed-Rate Term Loans |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Quarterly principal payments |  | $ 1,562,500,000 |  |  |  |  |  |  |
Fixed interest rate |  | 4.15% |  |  |  |  |  |  |
Prepayment amount of the fixed term loan |  |  |  |  | $ 10,312,500,000 |  |  |  |
Remaining Borrowings Interest To Be Paid At Maturity With Ballon Payment |  |  |  |  | $ 70,000,000,000 |  |  |  |
Deferred Financing Costs, Net |  | $ 524,000 | 621,000 |  |  |  |  |  |
Principal |  | 70,000,000 | 83,438,000 |  |  |  |  |  |
Debt issuance cost, net |  | 524,000 | 621,000 |  |  |  |  |  |
Met Fixed-Rate Term Loans | Silver Nip Citrus |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Quarterly principal payments |  | $ 290,000 |  |  |  |  |  |  |
Fixed interest rate |  | 5.35% |  |  |  |  |  |  |
Prepayment amount of the fixed term loan |  | $ 750,000 |  |  |  |  | $ 4,453,000 |  |
Area of property that served as collateral (in acres) | a |  | 5,700 |  |  |  |  |  |  |
Prepayment amount of the fixed term loan (up to) |  | $ 5,000,000 |  |  |  |  |  |  |
Number of fixed rate term loans | Loan |  | 2 |  |  |  |  |  |  |
Principal |  | $ 27,550,000 |  |  |  | $ 4,455,000,000 |  |  |
Amount of prepayment in excess of total without penalty |  | 203,000 |  |  |  |  |  |  |
Premium payment of penalty |  | 22,000 |  |  |  |  |  |  |
Met Fixed-Rate Term Loans | Silver Nip Citrus | Prudential |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Quarterly principal payments |  | 55,000 |  |  |  |  |  |  |
Principal |  | 5,500,000,000 |  |  |  |  |  |  |
Met Variable-Rate Term Loans |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Deferred Financing Costs, Net |  | 241,000 | 286,000 |  |  |  |  |  |
Principal |  | 38,094,000 | 40,969,000 |  |  |  |  |  |
Debt issuance cost, net |  | 241,000 | 286,000 |  |  |  |  |  |
Silver Nip Citrus Debt | Silver Nip Citrus |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Deferred Financing Costs, Net |  | 190,000 | 208,000 |  |  |  |  |  |
Debt issuance cost, net |  | 190,000 | 208,000 |  |  |  |  |  |
RLOC |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt issuance cost, gross |  |  |  |  |  |  |  | $ 2,834,000,000 |
Deferred Financing Costs, Net | 891,000,000 |  | 1,048,000,000 |  |  |  |  | 339,000,000 |
Debt issuance cost, net | 891,000,000 |  | $ 1,048,000,000 |  |  |  |  | $ 339,000,000 |
RLOC | Met Fixed-Rate Term Loans |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving line of credit |  | 125,000,000 |  |  |  |  |  |  |
RLOC | Met Variable-Rate Term Loans |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving line of credit |  | 57,500,000 |  |  |  |  |  |  |
RLOC |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving line of credit |  | 25,000,000 |  |  |  |  |  |  |
Quarterly principal payments |  | $ 718,750,000 |  |  |  |  |  |  |
LIBOR spread subject to adjustment period |  | 2 years |  |  |  |  |  |  |
Variable interest rate |  | 1.78% | 1.91% |  |  |  |  |  |
LIBOR spread (as a percent) |  | 0.25% |  |  |  |  |  |  |
Availability under line of credit |  | $ 25,000,000,000 |  |  |  |  |  |  |
Borrowings on revolving lines of credit | 20,000,000 |  |  |  |  |  |  |  |
RLOC | LIBOR |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
LIBOR spread (as a percent) |  | 1.65% |  |  |  |  |  |  |
RLOC | Met Variable-Rate Term Loans |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
LIBOR spread subject to adjustment period |  | 2 years |  |  |  |  |  |  |
Variable interest rate |  | 1.78% | 1.91% |  |  |  |  |  |
WCLC |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving line of credit |  | $ 70,000,000 |  |  |  |  |  |  |
Variable interest rate |  | 1.83% | 1.90% |  |  |  |  |  |
LIBOR spread (as a percent) |  | 0.20% |  |  |  |  |  |  |
Availability under line of credit |  | $ 69,664,000 | $ 66,659,000 |  |  |  |  |  |
Letter of credit issued |  | 336,000 |  |  |  |  |  |  |
Borrowings on revolving lines of credit | $ 50,000,000 |  |  |  |  |  |  |  |
WCLC | Letter of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving line of credit |  | 2,000,000,000 |  |  |  |  |  |  |
Principal |  | $ 0 | 2,942,000 |  |  |  |  |  |
WCLC | Minimum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
LIBOR spread (as a percent) |  | 0.20% |  |  |  |  |  |  |
WCLC | Maximum [Member] |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
LIBOR spread (as a percent) |  | 0.30% |  |  |  |  |  |  |
WCLC | LIBOR |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
LIBOR spread (as a percent) |  | 1.75% |  |  |  |  |  |  |
WCLC | LIBOR | Minimum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
LIBOR spread (as a percent) |  | 1.75% |  |  |  |  |  |  |
WCLC | LIBOR | Maximum [Member] |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
LIBOR spread (as a percent) |  | 2.50% |  |  |  |  |  |  |
Letter of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt issuance cost, gross |  |  | 23,000,000 |  |  |  |  |  |
Metlife Term Loan | Citree |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving line of credit |  | $ 5,000,000 |  |  |  |  |  |  |
Fixed interest rate |  | 5.28% |  |  |  |  |  |  |
Principal |  | $ 4,263,000 | 4,512,000 |  |  |  |  |  |
Deferred Financing Costs, Net |  | $ 31,000 | 36,000 |  |  |  |  |  |
Area of property that served as collateral (in acres) | a |  | 1,200 |  |  |  |  |  |  |
Debt issuance cost, net |  | $ 31,000 | $ 36,000 |  |  |  |  |  |

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