Borrowings - Adviser Revolver - Narrative (Details) - USD ($) |
Jun. 30, 2026 |
Sep. 30, 2025 |
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| Debt Instrument [Line Items] | ||
| Debt | $ 5,170,226,000 | $ 4,699,707,000 |
| Revolving Credit Facility | Adviser Revolver | ||
| Debt Instrument [Line Items] | ||
| Maximum borrowing capacity | $ 300,000,000 | |
| Revolving Credit Facility | Adviser Revolver | Line of Credit | ||
| Debt Instrument [Line Items] | ||
| Interest rate | 3.80% | |
| Debt | $ 0 | $ 0 |
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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