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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

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