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Fair Value Measurements - Summary of Carrying Value and Fair Value of Mortgage Facilities and Term Loan (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Sep. 30, 2024
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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 | $ 4,977 | $ 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 | 13,930 | 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 | 19,989 | 21,781
Fair Value [Member] | Mortgage Facility Payable to M&T Bank [Member] |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |
Mortgage facility and term loan payable | 36,540 |
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 | 326,873 | 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 | 5,039 | 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 | 14,360 | 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 | 19,931 | 21,366
Carrying Value [Member] | Mortgage Facility Payable to M&T Bank [Member] |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |
Mortgage facility and term loan payable | 36,540 |
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 | $ 325,000 | $ 347,500

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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 + Details
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