| Line Item | Dec 31, 2025 | Sep 30, 2025 | Jun 30, 2025 | Mar 31, 2025 | Dec 31, 2024 | Sep 30, 2024 | Jun 30, 2024 | Mar 31, 2024 | Dec 31, 2023 | Sep 30, 2023 | Jun 30, 2023 | Mar 31, 2023 | Dec 31, 2022 | Sep 30, 2022 | Jun 30, 2022 | Mar 31, 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Investment Income | ||||||||||||||||
| Total interest income (excluding PIK interest income) | ||||||||||||||||
| Total PIK Interest Income | ||||||||||||||||
| Total interest income (Note 2) | ||||||||||||||||
| Total dividend income | ||||||||||||||||
| Total other income (Note 10) | ||||||||||||||||
| Total Investment Income | ||||||||||||||||
| Operating Expenses | ||||||||||||||||
| Base management fee (Note 13) | ||||||||||||||||
| Income incentive fee (Note 13) | ||||||||||||||||
| Interest and credit facility expenses | ||||||||||||||||
| Allocation of overhead from Prospect Administration (Note 13) | ||||||||||||||||
| Audit, compliance and tax related fees | ||||||||||||||||
| Directors’ fees | ||||||||||||||||
| Other general and administrative expenses | ||||||||||||||||
| Total Operating Expenses | ||||||||||||||||
| Net Investment Income | ||||||||||||||||
| Net Realized and Net Change in Unrealized Gains (Losses) from Investments | ||||||||||||||||
| Net realized gains (losses) | ||||||||||||||||
| Net change in unrealized gains (losses) | ||||||||||||||||
| Net Realized and Net Change in Unrealized Gains (Losses) from Investments | ||||||||||||||||
| Net realized gains (losses) on extinguishment of debt | ||||||||||||||||
| Net realized gains (losses) from derivative instruments and foreign currency transactions | — | — | — | |||||||||||||
| Net change in unrealized gains (losses) from derivative instruments and foreign currency transactions | — | — | — | |||||||||||||
| Net Increase (Decrease) in Net Assets Resulting from Operations | ||||||||||||||||
| Preferred Stock dividends | ||||||||||||||||
| Net gain (loss) on redemptions of Preferred Stock | ||||||||||||||||
| Gain (loss) on Accretion to Redemption Value of Preferred Stock | ||||||||||||||||
| Net Increase (Decrease) in Net Assets Resulting from Operations applicable to Common Stockholders | ||||||||||||||||
| Basic and diluted earnings (loss) per common share (Note 11) | ||||||||||||||||
| Basic (in dollars per share) | ||||||||||||||||
| Diluted (in dollars per share) | — |