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Fair Value Measurements - Summary of Carrying Value and Fair Value of Mortgage Facilities and Term Loan (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Sep. 30, 2024
Fair Value [Member] | Mortgage Facility Payable to Flagship Bank [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Mortgage facility and term loan payable	$ 5,092	$ 5,501
Fair Value [Member] | Mortgage Facility Payable to Seacoast National Bank [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Mortgage facility and term loan payable	14,234	15,467
Fair Value [Member] | Mortgage Facility Payable to Hancock Whitney Bank [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Mortgage facility and term loan payable	20,421	21,781
Fair Value [Member] | Term Loan Payable to M&T Bank [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Mortgage facility and term loan payable	333,977	347,250
Carrying Value [Member] | Mortgage Facility Payable to Flagship Bank [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Mortgage facility and term loan payable	5,163	5,411
Carrying Value [Member] | Mortgage Facility Payable to Seacoast National Bank [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Mortgage facility and term loan payable	14,699	15,378
Carrying Value [Member] | Mortgage Facility Payable to Hancock Whitney Bank [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Mortgage facility and term loan payable	20,409	21,366
Carrying Value [Member] | Term Loan Payable to M&T Bank [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Mortgage facility and term loan payable	$ 332,500	$ 347,500

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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.

+ References

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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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