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Long-Term Debt and Lines of Credit - Narrative (Details) |  |  |  |  | 3 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 27, 2016 USD ($) | Sep. 17, 2015 USD ($) | Sep. 04, 2014 USD ($) a loan | Mar. 04, 2014 USD ($) | Dec. 31, 2018 USD ($) a loan | Dec. 31, 2017 USD ($) | Sep. 30, 2018 USD ($) | Sep. 30, 2017 USD ($) | Mar. 31, 2018 USD ($) | Dec. 01, 2016 USD ($) | Feb. 15, 2015 USD ($) | Sep. 30, 2014 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate term loans |  |  |  |  | $ 171,642,000 |  | $ 174,349,000 |  |  |  |  |
Debt issuance cost, net |  |  |  |  | $ 1,514,000 |  | 1,563,000 |  |  |  |  |
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 |  |  |  |  |  |  | 163,600,000 |  |  |  |  |
Minimum current ratio |  |  |  |  | 1.50 |  |  |  |  |  |  |
Debt to total assets ratio |  |  |  |  | 0.625 |  |  |  |  |  |  |
Limit on capital expenditures |  |  |  |  | $ 30,000,000 |  |  |  |  |  |  |
Borrowings on revolving lines of credit |  |  |  |  | 26,577,000 | $ 17,731,000 |  |  |  |  |  |
Met Fixed-Rate Term Loans |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate term loans |  |  |  |  | 94,375,000 |  | 95,938,000 |  |  |  |  |
Quarterly principal payments |  |  |  |  | $ 2,281,250 |  |  |  |  |  |  |
Fixed interest rate (as a percentage) |  |  |  |  | 4.15% |  |  |  |  |  |  |
Prepayment amount of the fixed term loan (up to) |  |  |  |  | $ 8,750,000 |  |  |  |  |  |  |
Availability under line of credit |  |  |  |  | 5,625,000 |  |  |  |  |  |  |
Debt issuance cost, net |  |  |  |  | 808,000 |  | 836,000 |  |  |  |  |
Met Variable-Rate Term Loans |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate term loans |  |  |  |  | $ 46,000,000 |  | $ 46,719,000 |  |  |  |  |
LIBOR spread subject to adjustment period |  |  |  |  | 2 years |  |  |  |  |  |  |
Variable interest rate (as a percentage) |  |  |  |  | 4.18% |  | 3.99% |  |  |  |  |
Debt issuance cost, net |  |  |  |  | $ 372,000 |  | $ 385,000 |  |  |  |  |
Met Variable-Rate Term Loans | LIBOR |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
LIBOR spread |  |  |  |  | 1.50% |  |  |  |  |  |  |
Citrus Groves |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Area of land (in acres) | a |  |  |  |  | 38,200 |  |  |  |  |  |  |
Farm and Ranch Land |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Area of land (in acres) | a |  |  |  |  | 5,762 |  |  |  |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debt issuance cost, gross |  |  |  |  |  |  |  |  |  |  |  | $ 2,834,000
Debt issuance cost, net |  |  |  |  | $ 1,266,000 |  | 1,357,000 |  |  |  |  | $ 339,000
Revolving Credit Facility | Met Fixed-Rate Term Loans |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate term loans |  |  |  |  | 125,000,000 |  |  |  |  |  |  |
Revolving Credit Facility | Met Variable-Rate Term Loans |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate term loans |  |  |  |  | 57,500,000 |  |  |  |  |  |  |
Letter of Credit |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debt issuance cost, gross |  |  |  |  |  |  | $ 123,000 |  |  |  |  |
RLOC |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Revolving line of credit |  |  |  |  | 25,000,000 |  |  |  |  |  |  |
Availability under line of credit |  |  |  |  | $ 25,000,000 |  |  |  |  |  |  |
Annual commitment fee (as a percent) |  |  |  |  | 0.25% |  |  |  |  |  |  |
RLOC | LIBOR |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
LIBOR spread |  |  |  |  | 1.65% |  |  |  |  |  |  |
WCLC |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Revolving line of credit |  |  |  |  | $ 70,000,000 |  |  |  |  |  |  |
Variable interest rate (as a percentage) |  |  |  |  | 4.10% |  | 3.85% |  |  |  |  |
Availability under line of credit |  |  |  |  | $ 37,400,000 |  | $ 57,000,000 |  |  |  |  |
WCLC | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Annual commitment fee (as a percent) |  |  |  |  | 0.03% |  |  |  |  |  |  |
WCLC | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Annual commitment fee (as a percent) |  |  |  |  | 0.02% |  |  |  |  |  |  |
WCLC | LIBOR |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
LIBOR spread |  |  |  |  | 1.75% |  |  |  |  |  |  |
WCLC | LIBOR | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
LIBOR spread |  |  |  |  | 2.50% |  |  |  |  |  |  |
WCLC | LIBOR | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
LIBOR spread |  |  |  |  | 1.75% |  |  |  |  |  |  |
Letter of Credit | WCLC |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Revolving line of credit |  |  |  |  | $ 20,000,000 |  |  |  |  |  |  |
Outstanding balance |  |  |  |  | 22,313,944 |  |  |  |  |  |  |
Outstanding letters of credit |  |  |  |  | 10,300,000 |  |  |  |  |  |  |
Citree | Metlife Term Loan |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Revolving line of credit |  |  |  |  | $ 5,000,000 |  |  |  |  |  |  |
Interest rate | 5.28% | 5.30% |  |  | 5.28% |  |  |  |  |  |  |
Borrowings on revolving lines of credit | $ 2,500,000 | $ 2,000,000 |  | $ 500,000 |  |  |  |  |  |  |  |
Silver Nip Citrus |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of fixed rate term loans | loan |  |  | 2 |  |  |  |  |  |  |  |  |
Silver Nip Citrus | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Covenant ratio |  |  |  |  | 1.50 |  |  |  |  |  |  |
Silver Nip Citrus | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Covenant ratio |  |  |  |  | 1.00 |  |  |  |  |  |  |
Silver Nip Citrus | Met Fixed-Rate Term Loans |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate term loans |  |  |  |  | $ 27,550,000 |  |  |  |  |  |  |
Quarterly principal payments |  |  |  |  | $ 290,000 |  |  |  |  |  |  |
Fixed interest rate (as a percentage) |  |  |  |  | 5.35% |  |  |  |  |  |  |
Prepayment amount of the fixed term loan (up to) |  |  |  |  | $ 5,000,000 |  |  |  |  |  |  |
Number of fixed rate term loans | loan |  |  |  |  | 2 |  |  |  |  |  |  |
Amount of prepayment |  |  |  |  |  |  |  |  | $ 4,453,000 |  | $ 750,000 |
Amount of prepayment in excess of total without penalty |  |  |  |  | $ 203,000 |  |  |  |  |  |  |
Premium payment of penalty |  |  |  |  | $ 22,000 |  |  |  |  |  |  |
Silver Nip Citrus | Fixed Rate Term Loan1 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate (as a percentage) |  |  | 3.85% |  |  |  |  |  |  |  |  |
Silver Nip Citrus | Fixed Rate Term Loan 2 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate (as a percentage) |  |  | 3.45% |  |  |  |  |  |  |  |  |
Silver Nip Citrus | Loans Payable |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Limited guaranty and security agreement |  |  |  |  |  |  |  |  |  | $ 8,000,000 |  |
Citrus Grove | Silver Nip Citrus |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Area of land owned (in acres) | a |  |  | 1,500 |  |  |  |  |  |  |  |  |
Prudential | Silver Nip Citrus | Met Fixed-Rate Term Loans |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate term loans |  |  | $ 5,500,000 |  |  |  |  |  |  |  |  |
Quarterly principal payments |  |  | $ 55,000 |  |  |  |  |  |  |  |  |

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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 http://asc.fasb.org/extlink&oid=6877327&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 http://asc.fasb.org/extlink&oid=6876686&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 http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
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