Summary of Significant Accounting Policies - Schedule of Tax Cost and Estimated Gross Unrealized Appreciation (Depreciation) from Investments for Federal Income Tax Purposes (Details) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Accounting Policies [Abstract] | ||
| Tax cost | $ 2,027,977 | $ 1,503,544 |
| Gross unrealized appreciation | 12,122 | 3,751 |
| Gross unrealized depreciation | (20,643) | (18,489) |
| Net unrealized investment appreciation / (depreciation) on investments | $ (8,521) | $ (14,738) |