Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Significant Accounting Policies [Line Items] | ||||
| Minimum percentage of investment company taxable income distribute to stockholders in each taxable year to qualify as RIC | 90.00% | |||
| Nondeductible U.S. federal excise tax percentage | 4.00% | |||
| Net expense for U.S. federal excise tax and other taxes | $ 1.2 | $ 1.4 | $ 3.7 | $ 4.0 |
| Increase in deferred tax liability pertaining to net unrealized gains | 0.9 | 1.6 | ||
| Decrease in deferred tax liability pertaining to net unrealized losses | (0.6) | (0.6) | ||
| Deferred tax liability | $ 5.6 | $ 3.9 | $ 5.6 | 3.9 |
| Tax expense pertaining to net realized gains related to investments | $ 0.9 | |||