v3.26.1
Investments - Schedule of Investments at Fair Value and Amortized Cost (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Schedule of Investments [Line Items]    
Amortized Cost [1],[4] $ 739,521 [2],[3] $ 1,604,407 [5],[6]
Fair Value [1],[4] 690,969 1,576,550
First-lien senior secured debt investments    
Schedule of Investments [Line Items]    
Amortized Cost 521,864 1,251,162
Fair Value 490,304 1,221,372
Second-lien senior secured debt investments    
Schedule of Investments [Line Items]    
Amortized Cost 105,014 159,446
Fair Value 57,555 131,054
Unsecured debt investments    
Schedule of Investments [Line Items]    
Amortized Cost 20,019 37,347
Fair Value 20,644 38,673
Specialty finance debt investments    
Schedule of Investments [Line Items]    
Amortized Cost 8,147 7,483
Fair Value 8,156 7,491
Preferred equity investments    
Schedule of Investments [Line Items]    
Amortized Cost 19,621 67,578
Fair Value 14,936 67,143
Common equity investments    
Schedule of Investments [Line Items]    
Amortized Cost 48,964 55,486
Fair Value 80,197 80,120
Specialty finance equity investments    
Schedule of Investments [Line Items]    
Amortized Cost 15,558 25,571
Fair Value 18,866 30,360
Joint ventures    
Schedule of Investments [Line Items]    
Amortized Cost 334 334
Fair Value $ 311 $ 337
[1] Certain portfolio company investments are subject to contractual restrictions on sales. Refer to footnote 30 for additional information on the Company’s restricted securities.
[2] The amortized cost represents the original cost adjusted for the accretion and amortization of discounts and premiums, as applicable, on debt investments using the effective interest method.
[3] As of June 30, 2026, the net estimated unrealized loss for U.S. federal income tax purposes was $45.7 million based on a tax cost basis of $0.7 billion. As of June 30, 2026, the estimated aggregate gross unrealized loss for U.S. federal income tax purposes was $86.3 million and the estimated aggregate gross unrealized gain for U.S. federal income tax purposes was $40.6 million.
[4] Unless otherwise indicated, all or a portion of the Company’s portfolio companies are pledged as collateral supporting the available capacity under the SPV Asset Facility. See “Note 5 Debt.”
[5] The amortized cost represents the original cost adjusted for the accretion and amortization of discounts and premiums, as applicable, on debt investments using the effective interest method.
[6] As of December 31, 2025, the net estimated unrealized loss for U.S. federal income tax purposes was $25.4 million based on a tax cost basis of $1.6 billion. As of December 31, 2025, the estimated aggregate gross unrealized loss for U.S. federal income tax purposes was $73.1 million and the estimated aggregate gross unrealized gain for U.S. federal income tax purposes was $47.7 million.