Fair Value of Financial Instruments - Schedule of Financial Instruments Not Carried at Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Sep. 30, 2025
Carrying Value
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held for investment	$ 0	$ 60,984
Fair Value
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held for investment	0	61,989
Secured financing facility \| Carrying Value
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Secured financing facility	0	44,586
Secured financing facility \| Fair Value
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Secured financing facility	0	45,471
Mortgage notes payable \| Two Mortgage Notes Payable
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying value	93,169
Mortgage notes payable \| Carrying Value
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Secured financing facility	138,807	136,168
Mortgage notes payable \| Fair Value
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Secured financing facility	$ 139,119	$ 137,076

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.

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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+ Details

- 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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+ Details