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Property and Equipment, Net - Narrative (Details) |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Oct. 30, 2020 USD ($) a | Oct. 30, 2021 USD ($) | Mar. 31, 2022 USD ($) | Mar. 31, 2021 USD ($) | Mar. 31, 2022 USD ($) | Mar. 31, 2021 USD ($) | Sep. 30, 2021 USD ($)
Property Plant And Equipment [Line Items] |  |  |  |  |  |  |
Gain (loss) on sale of real estate, property and equipment and assets held for sale |  |  | $ 26,604,000 | $ (17,000) | $ 35,049,000 | $ 3,347,000 |
Citrus Blocks |  |  |  |  |  |  |
Property Plant And Equipment [Line Items] |  |  |  |  |  |  |
Acres Of Land Purchased | a | 3,280 |  |  |  |  |  |
Gain (loss) on sale of real estate, property and equipment and assets held for sale | $ 18,230,000 |  |  |  |  |  |
State Of Florida |  |  |  |  |  |  |
Property Plant And Equipment [Line Items] |  |  |  |  |  |  |
Gain (loss) on sale of real estate, property and equipment and assets held for sale |  | $ 1,450,000 |  |  |  |  |
Citrus trees |  |  |  |  |  |  |
Property Plant And Equipment [Line Items] |  |  |  |  |  |  |
Asset impairment charges |  |  |  |  | $ 0 |  | $ 0

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