v3.26.1
Fair Value of Investments - Schedule of Carrying and Fair Values of the Company’s Debt Obligations (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Debt Instrument [Line Items]    
Fair value of debt obligations $ 2,372,115 $ 2,804,408
Debt Issuance Costs (30,777) (32,959)
Level 1    
Debt Instrument [Line Items]    
Fair value of debt obligations 0 0
Level 2    
Debt Instrument [Line Items]    
Fair value of debt obligations 0 0
Level 3    
Debt Instrument [Line Items]    
Fair value of debt obligations 2,372,115 2,804,408
Line of credit    
Debt Instrument [Line Items]    
Debt Issuance Costs (30,777) (32,959)
Net Carrying Value | Line of credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 2,371,277 2,803,356
Fair Value | Line of credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 2,372,115 2,804,408
Revolving Credit Facility | Line of credit    
Debt Instrument [Line Items]    
Debt Issuance Costs (7,239) (7,735)
Revolving Credit Facility | Net Carrying Value | Line of credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 294,065 286,830
Revolving Credit Facility | Fair Value | Line of credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 294,065 286,830
SPV Asset Facility I | Line of credit    
Debt Instrument [Line Items]    
Debt Issuance Costs (5,216) (5,626)
SPV Asset Facility I | Net Carrying Value | Line of credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 468,784 491,374
SPV Asset Facility I | Fair Value | Line of credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 468,784 491,374
SPV Asset Facility II | Line of credit    
Debt Instrument [Line Items]    
Debt Issuance Costs (3,358) (3,589)
SPV Asset Facility II | Net Carrying Value | Line of credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 266,892 316,661
SPV Asset Facility II | Fair Value | Line of credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 266,892 316,661
SPV Asset Facility III | Line of credit    
Debt Instrument [Line Items]    
Debt Issuance Costs (6,752) (6,929)
SPV Asset Facility III | Net Carrying Value | Line of credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 343,248 543,071
SPV Asset Facility III | Fair Value | Line of credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 343,248 543,071
SPV Asset Facility IV | Line of credit    
Debt Instrument [Line Items]    
Debt Issuance Costs (5,261) (5,840)
SPV Asset Facility IV | Net Carrying Value | Line of credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 456,239 623,660
SPV Asset Facility IV | Fair Value | Line of credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 456,239 623,660
Athena CLO III | Line of credit    
Debt Instrument [Line Items]    
Debt Issuance Costs (2,113) (2,188)
Athena CLO III | Net Carrying Value | Line of credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 267,887 267,812
Athena CLO III | Fair Value | Line of credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 267,887 267,812
Series 2023A Notes | Line of credit    
Debt Instrument [Line Items]    
Debt Issuance Costs (107) (207)
Series 2023A Notes | Net Carrying Value | Line of credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 99,893 99,793
Series 2023A Notes | Fair Value | Line of credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 100,000 100,000
Series 2023B-A Notes | Line of credit    
Debt Instrument [Line Items]    
Debt Issuance Costs (507) (552)
Series 2023B-A Notes | Net Carrying Value | Line of credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 99,493 99,448
Series 2023B-A Notes | Fair Value | Line of credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 100,000 100,000
Series 2023B-B Notes | Line of credit    
Debt Instrument [Line Items]    
Debt Issuance Costs (224) (293)
Series 2023B-B Notes | Net Carrying Value | Line of credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 74,776 74,707
Series 2023B-B Notes | Fair Value | Line of credit    
Debt Instrument [Line Items]    
Fair value of debt obligations $ 75,000 $ 75,000