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Fair Value - Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis (Details) - USD ($) $ in Millions | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Senior Secured Notes [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  | $ 150.8 | $ 147.3 |
CLO Equity [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  | 72.2 | 95.1 |
Equity and Other Investments [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  | 12.4 | 9.4 |
Total Investments at fair value [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets | [1] | 235.4 | 251.7 |
Cash Equivalents [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  | 40.6 | 51.2 |
Total assets at fair value [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  | 276.0 | 303.0 | [1]
Recurring [Member] | Senior Secured Notes [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  |  |  |
Recurring [Member] | Senior Secured Notes [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  |  |  |
Recurring [Member] | Senior Secured Notes [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  | 150.8 | 147.3 |
Recurring [Member] | CLO Equity [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  |  |  |
Recurring [Member] | CLO Equity [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  |  |  |
Recurring [Member] | CLO Equity [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  | 72.2 | 95.1 |
Recurring [Member] | Equity and Other Investments [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  |  |  |
Recurring [Member] | Equity and Other Investments [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  |  |  |
Recurring [Member] | Equity and Other Investments [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  | 12.4 | 9.4 |
Recurring [Member] | Total Investments at fair value [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  |  |  | [1]
Recurring [Member] | Total Investments at fair value [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  |  |  | [1]
Recurring [Member] | Total Investments at fair value [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  | 235.4 | 251.7 | [1]
Recurring [Member] | Cash Equivalents [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  | 40.6 | 51.2 |
Recurring [Member] | Cash Equivalents [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  |  |  |
Recurring [Member] | Cash Equivalents [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  |  |  |
Recurring [Member] | Total assets at fair value [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  | 40.6 | 51.2 | [1]
Recurring [Member] | Total assets at fair value [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  |  |  | [1]
Recurring [Member] | Total assets at fair value [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |  |  |
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items] |  |  |  |
Assets |  | $ 235.4 | $ 251.7 | [1]
[1] | Totals may not sum due to rounding.

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