Financial Highlights - Weighted-Average Yield (Details) |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Investment Company [Abstract] | |||||
| Weighted average portfolio yield on debt investments | 15.00% | 16.70% | 15.40% | 16.00% | 15.20% |
| Coupon income | 10.60% | 12.50% | 11.60% | 10.90% | 10.40% |
| Accretion of discount | 1.20% | 1.20% | 1.10% | 1.20% | 1.10% |
| Accretion of end-of-term payments | 1.60% | 1.80% | 1.70% | 2.00% | 2.60% |
| Impact of prepayments during the period | 1.60% | 1.20% | 1.00% | 1.90% | 1.10% |