v3.26.3
Fair Value Measurements - Summary of Unobservable Inputs of the Company's Level 3 Financial Instruments (Details)
$ in Thousands
Sep. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Schedule of Investments [Line Items]    
Fair Value $ 2,054,318 $ 1,574,901
Common Stock    
Schedule of Investments [Line Items]    
Fair Value 881 1,598
Preferred Stock    
Schedule of Investments [Line Items]    
Fair Value 598 846
L.P. Interest [Member]    
Schedule of Investments [Line Items]    
Fair Value 614 533
First Lien Debt    
Schedule of Investments [Line Items]    
Fair Value 2,052,225 [1] 1,571,924 [2]
Fair Value, Inputs, Level 3 [Member]    
Schedule of Investments [Line Items]    
Fair Value 2,054,318 1,574,901
Fair Value, Inputs, Level 3 [Member] | Common Stock    
Schedule of Investments [Line Items]    
Fair Value 881 1,598
Fair Value, Inputs, Level 3 [Member] | Preferred Stock    
Schedule of Investments [Line Items]    
Fair Value 598 846
Fair Value, Inputs, Level 3 [Member] | L.P. Interest [Member]    
Schedule of Investments [Line Items]    
Fair Value 614 533
Fair Value, Inputs, Level 3 [Member] | First Lien Debt    
Schedule of Investments [Line Items]    
Fair Value 2,052,225 [1] 1,571,924 [2]
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate | Valuation Technique Yield Analysis | Preferred Stock    
Schedule of Investments [Line Items]    
Fair Value 598 846
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate | Valuation Technique Yield Analysis | First Lien Debt    
Schedule of Investments [Line Items]    
Fair Value $ 2,052,225 $ 1,571,924
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate | Valuation Technique Yield Analysis | Minimum | Preferred Stock    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.091 0.094
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate | Valuation Technique Yield Analysis | Minimum | First Lien Debt    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.07 0.049
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate | Valuation Technique Yield Analysis | Maximum | Preferred Stock    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.091 0.094
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate | Valuation Technique Yield Analysis | Maximum | First Lien Debt    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.17 0.125
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate | Valuation Technique Yield Analysis | Weighted Average | Preferred Stock    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.091 [3] 0.094 [4]
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate | Valuation Technique Yield Analysis | Weighted Average | First Lien Debt    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.096 [3] 0.083 [4]
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate | Valuation Technique Discounted Cash Flows | Minimum | Common Stock    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.157 0.156
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate | Valuation Technique Discounted Cash Flows | Minimum | L.P. Interest [Member]    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.146 0.153
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate | Valuation Technique Discounted Cash Flows | Maximum | Common Stock    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.157 0.156
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate | Valuation Technique Discounted Cash Flows | Maximum | L.P. Interest [Member]    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.146 0.153
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate | Valuation Technique Discounted Cash Flows | Weighted Average | Common Stock    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.157 [3] 0.156 [4]
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate | Valuation Technique Discounted Cash Flows | Weighted Average | L.P. Interest [Member]    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.146 [3] 0.153 [4]
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Transaction Multiples | ValuationTechnique Market Approach | Common Stock    
Schedule of Investments [Line Items]    
Fair Value $ 881 $ 1,598
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Transaction Multiples | ValuationTechnique Market Approach | L.P. Interest [Member]    
Schedule of Investments [Line Items]    
Fair Value $ 614 $ 533
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Transaction Multiples | ValuationTechnique Market Approach | Minimum | Common Stock    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.122 0.122
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Transaction Multiples | ValuationTechnique Market Approach | Minimum | L.P. Interest [Member]    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.149 0.149
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Transaction Multiples | ValuationTechnique Market Approach | Maximum | Common Stock    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.122 0.122
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Transaction Multiples | ValuationTechnique Market Approach | Maximum | L.P. Interest [Member]    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.149 0.149
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Transaction Multiples | ValuationTechnique Market Approach | Weighted Average | Common Stock    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.122 [3] 0.122 [4]
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Transaction Multiples | ValuationTechnique Market Approach | Weighted Average | L.P. Interest [Member]    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.149 [3] 0.149 [4]
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Market Comparables | ValuationTechnique Market Approach | Minimum | Common Stock    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.119 0.135
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Market Comparables | ValuationTechnique Market Approach | Minimum | L.P. Interest [Member]    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.149 0.176
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Market Comparables | ValuationTechnique Market Approach | Maximum | Common Stock    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.119 0.135
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Market Comparables | ValuationTechnique Market Approach | Maximum | L.P. Interest [Member]    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.149 0.176
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Market Comparables | ValuationTechnique Market Approach | Weighted Average | Common Stock    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.119 [3] 0.135 [4]
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Market Comparables | ValuationTechnique Market Approach | Weighted Average | L.P. Interest [Member]    
Schedule of Investments [Line Items]    
Quantitative Information on Unobservable input 0.149 [3] 0.176 [4]
[1] First lien debt consists of first lien term loans, first lien, last-out term loans, second-out term loans, first lien delayed draw term loans and first lien revolvers.
[2] First lien debt consists of first lien term loans, first lien, last-out term loans, second-out term loans, first lien delayed draw term loans and first lien revolvers
[3] Weighted averages are calculated based on fair value of investments.
[4] Weighted averages are calculated based on fair value of investments.