v3.26.1
FAIR VALUE MEASUREMENTS - Schedule of Fair Value Inputs and Valuation Techniques (Details)
$ in Thousands
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 2,277,105 [1] $ 2,463,922 [2]
Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value 2,276,829 2,463,922
Level 3 | First Lien Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value 1,899,631 2,061,847
Level 3 | First Lien Debt | Discounted Cash Flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 1,706,571 $ 1,818,450
Level 3 | First Lien Debt | Discounted Cash Flow | Discount Rate | Low    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.0744 0.0554
Level 3 | First Lien Debt | Discounted Cash Flow | Discount Rate | High    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.2366 0.2390
Level 3 | First Lien Debt | Discounted Cash Flow | Discount Rate | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.0998 0.0933
Level 3 | First Lien Debt | Consensus Pricing    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 114,186 $ 159,132
Level 3 | First Lien Debt | Consensus Pricing | Indicative Quotes | Low    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.4750 0.6438
Level 3 | First Lien Debt | Consensus Pricing | Indicative Quotes | High    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.9912 1.0000
Level 3 | First Lien Debt | Consensus Pricing | Indicative Quotes | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.9253 0.9582
Level 3 | First Lien Debt | Income Approach    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 78,874 $ 84,265
Level 3 | First Lien Debt | Income Approach | Discount Rate | Low    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.0986 0.0996
Level 3 | First Lien Debt | Income Approach | Discount Rate | High    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.1379 0.1455
Level 3 | First Lien Debt | Income Approach | Discount Rate | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.1131 0.1157
Level 3 | First Lien Debt | Market Approach | Comparable Multiple | Low    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 9.5 8.5
Level 3 | First Lien Debt | Market Approach | Comparable Multiple | High    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 10.92 11.5
Level 3 | First Lien Debt | Market Approach | Comparable Multiple | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 10.12 9.57
Level 3 | Second Lien Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 78,325 $ 95,130
Level 3 | Second Lien Debt | Discounted Cash Flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 59,498 $ 76,571
Level 3 | Second Lien Debt | Discounted Cash Flow | Discount Rate | Low    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.1429 0.1089
Level 3 | Second Lien Debt | Discounted Cash Flow | Discount Rate | High    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.1857 0.1722
Level 3 | Second Lien Debt | Discounted Cash Flow | Discount Rate | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.1775 0.1300
Level 3 | Second Lien Debt | Consensus Pricing    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 12,025 $ 11,984
Level 3 | Second Lien Debt | Consensus Pricing | Indicative Quotes | Low    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.9250 0.9219
Level 3 | Second Lien Debt | Consensus Pricing | Indicative Quotes | High    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.9250 0.9219
Level 3 | Second Lien Debt | Consensus Pricing | Indicative Quotes | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.9250 0.9219
Level 3 | Second Lien Debt | Income Approach    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 6,802 $ 6,575
Level 3 | Second Lien Debt | Income Approach | Discount Rate | Low    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.0998 0.0996
Level 3 | Second Lien Debt | Income Approach | Discount Rate | High    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.1336 0.1335
Level 3 | Second Lien Debt | Income Approach | Discount Rate | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.1000 0.0997
Level 3 | Equity Investments    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 156,091 $ 143,331
Level 3 | Equity Investments | Consensus Pricing    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 10,456  
Level 3 | Equity Investments | Consensus Pricing | Indicative Quotes | Low    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 98.25  
Level 3 | Equity Investments | Consensus Pricing | Indicative Quotes | High    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 98.25  
Level 3 | Equity Investments | Consensus Pricing | Indicative Quotes | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 95.65  
Level 3 | Equity Investments | Income Approach    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 59,622 $ 56,658
Level 3 | Equity Investments | Income Approach | Discount Rate | Low    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.1206 0.0975
Level 3 | Equity Investments | Income Approach | Discount Rate | High    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.1641 0.1616
Level 3 | Equity Investments | Income Approach | Discount Rate | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.1316 0.1237
Level 3 | Equity Investments | Market Approach    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 86,013 $ 86,673
Level 3 | Equity Investments | Market Approach | Comparable Multiple | Low    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 3 3
Level 3 | Equity Investments | Market Approach | Comparable Multiple | High    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 19 21.25
Level 3 | Equity Investments | Market Approach | Comparable Multiple | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 10.26 10.84
Level 3 | Investment Funds    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 142,782 $ 163,614
Level 3 | Investment Funds | Discounted Cash Flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 122,983 $ 123,114
Level 3 | Investment Funds | Discounted Cash Flow | Discount Rate | Low    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.1250 0.1175
Level 3 | Investment Funds | Discounted Cash Flow | Discount Rate | High    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.1250 0.1175
Level 3 | Investment Funds | Discounted Cash Flow | Discount Rate | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.1250 0.1175
Level 3 | Investment Funds | Discounted Cash Flow | Default Rate | Low    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.0200 0.0200
Level 3 | Investment Funds | Discounted Cash Flow | Default Rate | High    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.0200 0.0200
Level 3 | Investment Funds | Discounted Cash Flow | Default Rate | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.0200 0.0200
Level 3 | Investment Funds | Discounted Cash Flow | Recovery Rate | Low    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.6000 0.6000
Level 3 | Investment Funds | Discounted Cash Flow | Recovery Rate | High    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.6000 0.6000
Level 3 | Investment Funds | Discounted Cash Flow | Recovery Rate | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 0.6000 0.6000
Level 3 | Investment Funds | Consensus Pricing    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 19,799 $ 40,500
Level 3 | Investment Funds | Consensus Pricing | Indicative Quotes | Low    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 1.0000 1.0000
Level 3 | Investment Funds | Consensus Pricing | Indicative Quotes | High    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 1.0000 1.0000
Level 3 | Investment Funds | Consensus Pricing | Indicative Quotes | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment, measurement input 1.0000 1.0000
[1] Fair value is determined in good faith by or under the direction of the Investment Adviser, as the valuation designee pursuant to Rule 2a-5 under the Investment Company Act (see Note 2, Significant Accounting Policies, and Note 3, Fair Value Measurements, to these unaudited consolidated financial statements), pursuant to the Company’s valuation policy. The fair value of all first lien and second lien debt investments, equity investments and the investment funds was determined using significant unobservable inputs.
[2] Fair value is determined in good faith by or under the direction of the Investment Adviser, as the valuation designee pursuant to Rule 2a-5 under the Investment Company Act (see Note 2, Significant Accounting Policies, and Note 3, Fair Value Measurements, to these unaudited consolidated financial statements), pursuant to the Company’s valuation policy. The fair value of all first lien and second lien debt investments, equity investments and the investment funds was determined using significant unobservable inputs.