v3.25.2
Fair Value of Investments - Fair value hierarchy (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Fair value hierarchy    
Fair Value $ 2,653,666 [1],[2],[3],[4] $ 2,504,242 [5],[6],[7]
Level 2    
Fair value hierarchy    
Fair Value 128,001 108,835
Level 3    
Fair value hierarchy    
Fair Value 2,520,501 2,391,216
Level 1 2 3    
Fair value hierarchy    
Fair Value 2,648,502 2,500,051
NAV    
Fair value hierarchy    
Fair Value 5,164 4,191
First Lien Loans    
Fair value hierarchy    
Fair Value 2,335,714 2,209,392
First Lien Loans | Level 2    
Fair value hierarchy    
Fair Value 51,779 33,634
First Lien Loans | Level 3    
Fair value hierarchy    
Fair Value 2,283,935 2,175,758
Second Lien Loans    
Fair value hierarchy    
Fair Value 149,799 151,362
Second Lien Loans | Level 2    
Fair value hierarchy    
Fair Value 67,720 71,766
Second Lien Loans | Level 3    
Fair value hierarchy    
Fair Value 82,079 79,596
Unsecured Note    
Fair value hierarchy    
Fair Value 112,475 91,375
Unsecured Note | Level 2    
Fair value hierarchy    
Fair Value 8,502 3,435
Unsecured Note | Level 3    
Fair value hierarchy    
Fair Value 103,973 87,940
Preferred Equity    
Fair value hierarchy    
Fair Value 38,583 36,226
Preferred Equity | Level 3    
Fair value hierarchy    
Fair Value 38,583 36,226
Common Equity & Warrants    
Fair value hierarchy    
Fair Value 17,095 15,887
Common Equity & Warrants    
Fair value hierarchy    
Fair Value 11,931 11,696
Common Equity & Warrants | Level 3    
Fair value hierarchy    
Fair Value $ 11,931 $ 11,696
[1] All investments were qualifying assets as defined under Section 55(a) of the Investment Company Act of 1940 except for ALP CFO LP 2024-1, Barings Middle Market CLO Ltd., Best Egg Asset Structured Pass Through Master Trust, Churchill Middle Market CLO Ltd., Claros Mortgage Trust, Inc., Exeter Short Term Funding LLC, Imagine Software Inc, Ivy Hill Asset Management, L.P., Ivy Hill Middle Market Credit XII Ltd, LD Holdings Grouup LLC., New Mountain Capital LLC, and Syntax Systems Limited.
[2] All of the Company’s investments are domiciled in the United States except for Barings Middle Market CLO Ltd., New Mountain Guardian, and Syntax Systems Limited, which are domiciled in the Cayman Islands, Bermuda, and Canada, respectively.
[3] As of June 30, 2025, all investments are pledged as collateral unless otherwise stated.
[4] Unless otherwise indicated, all securities are valued using significant unobservable inputs, which are categorized as Level 3 assets under the definition of ASC 820 fair value hierarchy.
[5] All investments were qualifying assets as defined under Section 55(a) of the Investment Company Act of 1940 except for Ardonagh Finco B.V., New Mountain Guardian, Syntax Systems Limited, Exeter Short Term Funding LLC, and ALP CFO 2024, L.P
[6] All of the Company's investments are domiciled in the United States except for Ardonagh Finco B.V., New Mountain Guardian, and Syntax Systems Limited, which are domiciled in the United Kingdom, Bermuda, and Canada, respectively.
[7] Unless otherwise indicated, all securities are valued using significant unobservable inputs, which are categorized as Level 3 assets under the definition of ASC 820 fair value hierarchy.