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Fair Value Measurements - Summary of Carrying Value and Fair Value of Mortgage Facilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Sep. 30, 2021
Fair Value [Member] | Mortgage Facility Payable to Flagship Bank [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Mortgage facility payable	$ 6,082	$ 6,872
Fair Value [Member] | Mortgage Facility Payable to Seacoast National Bank [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Mortgage facility payable	15,146	17,529
Fair Value [Member] | Mortgage Facility Payable to Hancock Whitney Bank [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Mortgage facility payable	23,639	27,089
Carrying Value [Member] | Mortgage Facility Payable to Flagship Bank [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Mortgage facility payable	6,527	6,899
Carrying Value [Member] | Mortgage Facility Payable to Seacoast National Bank [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Mortgage facility payable	17,194	17,675
Carrying Value [Member] | Mortgage Facility Payable to Hancock Whitney Bank [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Mortgage facility payable	$ 25,671	$ 27,106

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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.

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No definition available.

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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No definition available.

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