Commitments and Contingencies (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Sep. 30, 2025 |
|---|---|---|
| Net Investment Income [Line Items] | ||
| Investment company, financial commitment to investee, future amount | $ 1,624,514 | $ 1,875,139 |
| Undrawn Revolver | ||
| Net Investment Income [Line Items] | ||
| Investment company, financial commitment to investee, future amount | $ 620,783 | $ 520,417 |