Property and Equipment, Net - Narrative (Details)  | 
3 Months Ended | 9 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|
| 
 Oct. 30, 2020  
USD ($)  
a 
 | 
 Jun. 01, 2020  
USD ($)  
a 
 | 
 May 04, 2020  
USD ($)  
a 
 | 
 Jun. 30, 2021  
USD ($) 
 | 
 Jun. 30, 2020  
USD ($) 
 | 
 Jun. 30, 2021  
USD ($) 
 | 
 Jun. 30, 2020  
USD ($) 
 | 
 Sep. 30, 2020  
USD ($) 
 | 
|
| Property Plant And Equipment [Line Items] | ||||||||
| Acres Of Land Purchased | a | 3,280 | |||||||
| Gain on sale of real estate, property and equipment and assets held for sale | $ 18,230,000 | $ 30,288,000 | $ 154,000 | $ 33,635,000 | $ 3,017,000 | |||
| Citrus Groves | ||||||||
| Property Plant And Equipment [Line Items] | ||||||||
| Acres of land sold | a | 30 | |||||||
| Consideration for discontinued operation | $ 122,000 | |||||||
| Gain (loss) on disposal of discontinued operation | $ 83,000 | |||||||
| Citrus Blocks | ||||||||
| Property Plant And Equipment [Line Items] | ||||||||
| Acres Of Land Purchased | a | 334 | |||||||
| Gain on sale of real estate, property and equipment and assets held for sale | $ 2,850,000 | |||||||
| Citrus trees | ||||||||
| Property Plant And Equipment [Line Items] | ||||||||
| Asset impairment charges | $ 0 | $ 598,000 | ||||||
| X | ||||||||||
- Definition Long Lived Assets Acres Of Land Purchased No definition available. 
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| X | ||||||||||
- Definition Long Lived Assets Held For Sale, Acres Of Land. No definition available. 
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| X | ||||||||||
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
- Definition Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
- Definition Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation. No definition available. 
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| X | ||||||||||
- Definition The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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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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