v3.26.1
Fair Value - Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis (Details) - USD ($)
$ in Millions
Jun. 30, 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 $ 147.2 $ 147.3
CLO Equity [Member]    
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items]    
Assets 90.3 95.1
Equity and Other Investments [Member]    
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items]    
Assets 15.4 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] 252.8 251.7
Cash Equivalents [Member]    
Schedule of Assets Measured at Fair Value by Investment Type on a Recurring Basis [Line Items]    
Assets 32.8 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 285.6 303.0 [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 147.2 147.3
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 90.3 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 15.4 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 [1] 252.8 251.7
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 32.8 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 32.8 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 $ 252.8 $ 251.7 [1]
[1] Totals may not sum due to rounding.