Investment Valuations and Fair Value Measurements - Summary of Reconciliation of Balances for Total Investments (Details) - Fair Value, Inputs, Level 3 - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Investment Valuations And Fair Value Measurements [Line Items] | ||||
| Beginning Balance | $ 216,391 | $ 290,837 | $ 226,534 | $ 280,352 |
| Purchases, including payments received in-kind | 512 | 8,345 | 42,142 | 11,075 |
| Sales and paydowns of investments | (36,585) | (864) | (74,898) | (1,256) |
| Amortization of premium and accretion of discount, net | 43 | 14 | ||
| Net realized losses | $ (135,751) | $ (32,894) | ||
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Realized Gain (Loss), Investment and Derivative, Operating, before Tax | Realized Gain (Loss), Investment and Derivative, Operating, before Tax | ||
| Net change in unrealized appreciation/(depreciation) | $ (18,955) | $ (8,772) | $ 103,336 | $ 32,298 |
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] | Unrealized Gain (Loss), Investment and Derivative, Operating, before Tax | Unrealized Gain (Loss), Investment and Derivative, Operating, before Tax | Unrealized Gain (Loss), Investment and Derivative, Operating, before Tax | Unrealized Gain (Loss), Investment and Derivative, Operating, before Tax |
| Ending Balance | $ 161,363 | $ 289,589 | $ 161,363 | $ 289,589 |
| Change in net unrealized appreciation/(depreciation) in investments held | $ (19,455) | $ (8,772) | $ (4,845) | $ 2,831 |
| Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Gain (Loss), Investment and Derivative, Operating, before Tax | Gain (Loss), Investment and Derivative, Operating, before Tax | Gain (Loss), Investment and Derivative, Operating, before Tax | Gain (Loss), Investment and Derivative, Operating, before Tax |
| Debt | ||||
| Investment Valuations And Fair Value Measurements [Line Items] | ||||
| Beginning Balance | $ 86,897 | $ 166,033 | $ 112,090 | $ 172,216 |
| Purchases, including payments received in-kind | 512 | 8,345 | 12,376 | 11,075 |
| Sales and paydowns of investments | (36,585) | (864) | (74,898) | (1,256) |
| Amortization of premium and accretion of discount, net | 43 | 14 | ||
| Net realized losses | (133,640) | (32,894) | ||
| Net change in unrealized appreciation/(depreciation) | (114) | (4,800) | 134,782 | 19,602 |
| Ending Balance | 50,710 | 168,757 | 50,710 | 168,757 |
| Change in net unrealized appreciation/(depreciation) in investments held | (614) | (4,800) | (280) | (9,866) |
| Equity | ||||
| Investment Valuations And Fair Value Measurements [Line Items] | ||||
| Beginning Balance | 129,494 | 124,804 | 114,444 | 108,136 |
| Purchases, including payments received in-kind | 0 | 0 | 29,766 | 0 |
| Sales and paydowns of investments | 0 | 0 | 0 | 0 |
| Amortization of premium and accretion of discount, net | 0 | 0 | ||
| Net realized losses | (2,111) | 0 | ||
| Net change in unrealized appreciation/(depreciation) | (18,841) | (3,972) | (31,446) | 12,696 |
| Ending Balance | 110,653 | 120,832 | 110,653 | 120,832 |
| Change in net unrealized appreciation/(depreciation) in investments held | $ (18,841) | $ (3,972) | $ (4,565) | $ 12,697 |