Consolidated Statements of Financial Condition (Parenthetical) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tax cost of investments at year end | $ 6,699,473 | [1],[2],[3] | $ 6,103,560 | [4],[5],[6] | ||||||||||||
| Restricted cash | 11,510 | 1,650 | ||||||||||||||
| Investment Owned, Money Market, Cost | 38,403 | 58,216 | ||||||||||||||
| Unamortized debt issuance costs | $ 12,317 | $ 12,828 | ||||||||||||||
| Common units, par value (in dollars per unit) | $ 0.001 | $ 0.001 | ||||||||||||||
| Common units, units issued (in units) | 182,049,066 | 172,510,464 | ||||||||||||||
| Common units, units outstanding (in units) | 182,049,066 | 172,510,464 | ||||||||||||||
| Investment, Unaffiliated Issuer [Member] | ||||||||||||||||
| Tax cost of investments at year end | $ 6,591,112 | $ 6,103,560 | ||||||||||||||
| Investment, Affiliated Issuer | ||||||||||||||||
| Tax cost of investments at year end | 22,923 | 0 | ||||||||||||||
| Investment, Affiliated Issuer, Controlled [Member] | ||||||||||||||||
| Tax cost of investments at year end | $ 85,438 | $ 0 | ||||||||||||||
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