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Fair Value Measurement - Summary of Reconciliation of Level 3 Assets (Parenthetical) (Details) - Level 3 - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
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Sep. 30, 2025 | Dec. 31, 2024
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Fair value, net change in unrealized depreciation | $ (10,748) | $ (15,902)
Debt |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Fair value, net change in unrealized depreciation | (8,429) | (4,822)
Equity/Other |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Fair value, net change in unrealized depreciation | $ (2,319) | $ (11,080)

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