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Long-Term Debt and Lines of Credit - Narrative (Details) |  |  | 9 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 29, 2022 USD ($) | Nov. 30, 2019 USD ($) | Jun. 30, 2022 USD ($) a Loan | Sep. 30, 2021 USD ($) | Jun. 30, 2021 USD ($) | Apr. 30, 2021 a | Sep. 30, 2020 USD ($) | Sep. 30, 2014 USD ($) | Sep. 04, 2014 a
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Fixed interest rate |  |  | 5.35% |  |  |  |  |  |
Adjusted fixed interest rate |  |  | 3.85% |  |  |  |  |  |
Deferred Financing Costs, Net |  |  | $ 781,000 | $ 986,000 |  |  |  |  |
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 |  |  |  | 173,216,000 |  |  |  |  |
Minimum current ratio |  |  | 1.50 |  |  |  |  |  |
Debt to total assets ratio |  |  | 0.625 |  |  |  |  |  |
Limit on capital expenditures |  |  | $ 30,000,000 |  |  |  |  |  |
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 |  |  |  |  |  |
Letter of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt issuance cost, gross |  |  |  |  |  |  | $ 23,000 |  |
Grove Management Services |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Area of land (in acres) | a |  |  | 38,200 |  |  | 38,200 |  |  |
Grove Management Services | 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 |  | $ 220,000 | $ 1,562,500 |  |  |  |  |  |
Fixed interest rate |  |  | 4.15% |  |  |  |  |  |
Prepayment amount of the fixed term loan |  |  | $ 10,312,500 |  |  |  |  |  |
Remaining Borrowings Interest To Be Paid At Maturity With Ballon Payment |  |  | 70,000,000 |  |  |  |  |  |
Deferred Financing Costs, Net |  |  | 456,000 | 524,000 |  |  |  |  |
Principal |  |  | 70,000,000 | 70,000,000 |  |  |  |  |
Met Fixed-Rate Term Loans | Silver Nip Citrus |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Quarterly principal payments |  |  | $ 290,000 |  |  |  |  |  |
Area of property that served as collateral (in acres) | a |  |  | 5,700 |  |  |  |  |  |
Number of fixed rate term loans | Loan |  |  | 2 |  |  |  |  |  |
Principal |  | $ 4,455,000 | $ 27,550,000 |  |  |  |  |  |
Met Fixed-Rate Term Loans | Silver Nip Citrus | Prudential |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Quarterly principal payments |  |  | 55,000 |  |  |  |  |  |
Principal |  |  | 5,500,000 |  |  |  |  |  |
Met Variable-Rate Term Loans |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Deferred Financing Costs, Net |  |  | 120,000 | 241,000 |  |  |  |  |
Principal |  |  | 20,313,000 | 38,094,000 |  |  |  |  |
Variable Rate Term Loan Prepayment |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt prepayment | $ 15,625,000 |  |  |  |  |  |  |  |
Deferred Financing Costs, Net |  |  | 94,000 |  |  |  |  |  |
Silver Nip Citrus Debt | Silver Nip Citrus |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Deferred Financing Costs, Net |  |  | 177,000 | 190,000 |  |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt issuance cost, gross |  |  |  |  |  |  |  | $ 2,834,000 |
Deferred Financing Costs, Net |  |  | 690,000 | $ 891,000 |  |  |  | $ 339,000 |
Revolving Credit Facility | Met Fixed-Rate Term Loans |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving line of credit |  |  | 125,000,000 |  |  |  |  |  |
Revolving Credit Facility | 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 | 406,250 |  | $ 718,750 |  |  |  |  |  |
LIBOR spread subject to adjustment period |  |  | 2 years |  |  |  |  |  |
Variable interest rate |  |  | 2.89% | 1.78% |  |  |  |  |
Debt prepayment | $ 15,625,000 |  |  |  |  |  |  |  |
LIBOR spread (as a percent) |  |  | 0.25% |  |  |  |  |  |
Availability under line of credit |  |  | $ 25,000,000 | $ 25,000,000 |  |  |  |  |
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 |  |  | 2.89% | 1.78% |  |  |  |  |
WCLC |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving line of credit |  |  | $ 70,000,000 |  | $ 2,000,000 |  |  |  |
Variable interest rate |  |  | 2.81% | 1.83% |  |  |  |  |
LIBOR spread (as a percent) |  |  | 0.20% |  |  |  |  |  |
Availability under line of credit |  |  | $ 69,599,000 | $ 69,664,000 |  |  |  |  |
WCLC | Minimum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
LIBOR spread (as a percent) |  |  | 0.20% |  |  |  |  |  |
WCLC | Maximum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
LIBOR spread (as a percent) |  |  | 0.30% |  |  |  |  |  |
WCLC | Letter of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Letter of credit issued |  |  | $ 401,000 |  |  |  |  |  |
Principal |  |  | $ 0 | 0 |  |  |  |  |
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 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
LIBOR spread (as a percent) |  |  | 2.50% |  |  |  |  |  |
Metlife Term Loan | Citree |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving line of credit |  |  | $ 5,000,000 |  |  |  |  |  |
Fixed interest rate |  |  | 5.28% |  |  |  |  |  |
Principal |  |  | $ 4,075,000 | 4,263,000 |  |  |  |  |
Deferred Financing Costs, Net |  |  | $ 28,000 | $ 31,000 |  |  |  |  |
Area of property that served as collateral (in acres) | a |  |  | 1,200 |  |  |  |  |  |

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585 + Details
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