v3.26.1
Investments - Summary of Unobservable Inputs Used in Fair Value Measurements of Level 3 Investments (Details)
$ in Thousands
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Schedule of Investments [Line Items]    
Investment, Type [Extensible Enumeration] Restricted Securities [Member] Restricted Securities [Member]
Level 3    
Schedule of Investments [Line Items]    
Assets Fair Value Disclosure $ 929,825 $ 935,982
Yield Analysis | First Lien Secured Debt | Discount Rate | Level 3    
Schedule of Investments [Line Items]    
Assets Fair Value Disclosure $ 893,330 $ 884,674
Yield Analysis | First Lien Secured Debt | Discount Rate | Level 3 | Minimum    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.04 0.076
Yield Analysis | First Lien Secured Debt | Discount Rate | Level 3 | Maximum    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.208 0.192
Yield Analysis | First Lien Secured Debt | Discount Rate | Level 3 | Weighted Average    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.108 [1] 0.10 [2]
Market Comparable Technique | Common Equity/Interests | Comparable Multiple | Level 3    
Schedule of Investments [Line Items]    
Assets Fair Value Disclosure   $ 3,745
Market Comparable Technique | Common Equity/Interests | Comparable Multiple | Level 3 | Minimum    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input   5.7
Market Comparable Technique | Common Equity/Interests | Comparable Multiple | Level 3 | Maximum    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input   30.6
Market Comparable Technique | Common Equity/Interests | Comparable Multiple | Level 3 | Weighted Average    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input [2]   6.7
Cost Approach | First Lien Secured Debt | Cost Approach | Level 3    
Schedule of Investments [Line Items]    
Assets Fair Value Disclosure $ 17,255 $ 31,262
Cost Approach | Common Equity/Interests | Cost Approach | Level 3    
Schedule of Investments [Line Items]    
Assets Fair Value Disclosure   250
Recovery Analysis | First Lien Secured Debt | Recoverability | Level 3    
Schedule of Investments [Line Items]    
Assets Fair Value Disclosure 18,631 $ 16,051
Guideline Public Company | Common Equity/Interests | TEV/EBITDA | Level 3    
Schedule of Investments [Line Items]    
Assets Fair Value Disclosure $ 609  
Guideline Public Company | Common Equity/Interests | TEV/EBITDA | Level 3 | Minimum    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 7  
Guideline Public Company | Common Equity/Interests | TEV/EBITDA | Level 3 | Maximum    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 18  
Guideline Public Company | Common Equity/Interests | TEV/EBITDA | Level 3 | Weighted Average    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input [1] 11.56  
[1] The weighted average information is generally derived by assigning each disclosed unobservable input a proportionate weight based on the fair value of the related investment. For the commodity price unobservable input, the weighted average price is an undiscounted price based upon the estimated production level from the underlying reserves.
[2] The weighted average information is generally derived by assigning each disclosed unobservable input a proportionate weight based on the fair value of the related investment. For the commodity price unobservable input, the weighted average price is an undiscounted price based upon the estimated production level from the underlying reserves.