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Property and Equipment, Net - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021
Property, Plant and Equipment [Line Items] |  |  |
Gain (loss) on disposal of property and equipment | $ (9,624) | $ (3,251) | $ (2,338)
Portion of Citrus Groves |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Gain (loss) on disposal of property and equipment | $ (3,744) |  |
Hurricane |  |  |
Property, Plant and Equipment [Line Items] |  |  |
(Gain) loss unusual or infrequent item |  | 1,400 |
Hurricane | Citrus trees |  |  |
Property, Plant and Equipment [Line Items] |  |  |
(Gain) loss unusual or infrequent item |  | 1,300 |
Hurricane | Building |  |  |
Property, Plant and Equipment [Line Items] |  |  |
(Gain) loss unusual or infrequent item |  | $ 100 |

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