Inventories (Details) - USD ($) $ in Thousands  | 
Mar. 31, 2017  | 
Sep. 30, 2016  | 
|---|---|---|
| Inventory [Line Items] | ||
| Total inventories | $ 53,069 | $ 58,469 | 
| Unharvested fruit crop on the trees | ||
| Inventory [Line Items] | ||
| Unharvested fruit crop on the trees and Beef cattle | 43,179 | 52,204 | 
| Beef cattle | ||
| Inventory [Line Items] | ||
| Unharvested fruit crop on the trees and Beef cattle | 3,550 | 783 | 
| Citrus tree nursery | ||
| Inventory [Line Items] | ||
| Citrus tree nursery and Other | 4,068 | 3,090 | 
| Other | ||
| Inventory [Line Items] | ||
| Citrus tree nursery and Other | $ 2,272 | $ 2,392 | 
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- Definition Carrying amount as of the balance sheet date of agricultural goods that are not yet mature and thus have not yet been harvested. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount before valuation and LIFO reserves of other inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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