v3.25.4
Fair Value Measurements - Schedule of Fair Value Measurements of Investments and Foreign Currency Forward Contracts, by Major Class According to the Fair Value Hierarchy (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Fair Value Measurements    
Total investments, at fair value: $ 5,819,755 [1],[2] $ 4,008,973 [3],[4]
Senior secured loans    
Fair Value Measurements    
Total investments, at fair value: 5,090,861 3,491,117
Unitranche secured loans    
Fair Value Measurements    
Total investments, at fair value: 35,414 148,531
Junior secured loans    
Fair Value Measurements    
Total investments, at fair value: 277,025 177,677
Equity investments    
Fair Value Measurements    
Total investments, at fair value: 416,455 191,648
Fair Value, Recurring    
Fair Value Measurements    
Total investments, at fair value: 5,819,755 4,008,973
Fair Value, Recurring | Foreign currency forward contracts asset (liability)    
Fair Value Measurements    
Foreign currency forward contracts asset (liability) (3,172) 1,501
Fair Value, Recurring | Senior secured loans    
Fair Value Measurements    
Total investments, at fair value: 5,090,861 3,491,117
Fair Value, Recurring | Unitranche secured loans    
Fair Value Measurements    
Total investments, at fair value: 35,414 148,531
Fair Value, Recurring | Junior secured loans    
Fair Value Measurements    
Total investments, at fair value: 277,025 177,677
Fair Value, Recurring | Equity investments    
Fair Value Measurements    
Total investments, at fair value: 416,455 191,648
Level 1 | Fair Value, Recurring    
Fair Value Measurements    
Total investments, at fair value: 145 149
Level 1 | Fair Value, Recurring | Foreign currency forward contracts asset (liability)    
Fair Value Measurements    
Foreign currency forward contracts asset (liability) 0 0
Level 1 | Fair Value, Recurring | Senior secured loans    
Fair Value Measurements    
Total investments, at fair value: 0 0
Level 1 | Fair Value, Recurring | Unitranche secured loans    
Fair Value Measurements    
Total investments, at fair value: 0 0
Level 1 | Fair Value, Recurring | Junior secured loans    
Fair Value Measurements    
Total investments, at fair value: 0 0
Level 1 | Fair Value, Recurring | Equity investments    
Fair Value Measurements    
Total investments, at fair value: 145 149
Level 2 | Fair Value, Recurring    
Fair Value Measurements    
Total investments, at fair value: 0 0
Level 2 | Fair Value, Recurring | Foreign currency forward contracts asset (liability)    
Fair Value Measurements    
Foreign currency forward contracts asset (liability) (3,172) 1,501
Level 2 | Fair Value, Recurring | Senior secured loans    
Fair Value Measurements    
Total investments, at fair value: 0 0
Level 2 | Fair Value, Recurring | Unitranche secured loans    
Fair Value Measurements    
Total investments, at fair value: 0 0
Level 2 | Fair Value, Recurring | Junior secured loans    
Fair Value Measurements    
Total investments, at fair value: 0 0
Level 2 | Fair Value, Recurring | Equity investments    
Fair Value Measurements    
Total investments, at fair value: 0 0
Level 3 | Fair Value, Recurring    
Fair Value Measurements    
Total investments, at fair value: 5,819,610 4,008,824
Level 3 | Fair Value, Recurring | Foreign currency forward contracts asset (liability)    
Fair Value Measurements    
Foreign currency forward contracts asset (liability) 0 0
Level 3 | Fair Value, Recurring | Senior secured loans    
Fair Value Measurements    
Total investments, at fair value: 5,090,861 3,491,117
Level 3 | Fair Value, Recurring | Unitranche secured loans    
Fair Value Measurements    
Total investments, at fair value: 35,414 148,531
Level 3 | Fair Value, Recurring | Junior secured loans    
Fair Value Measurements    
Total investments, at fair value: 277,025 177,677
Level 3 | Fair Value, Recurring | Equity investments    
Fair Value Measurements    
Total investments, at fair value: $ 416,310 $ 191,499
[1] All of the Company’s investments are issued by eligible portfolio companies, as defined in the Investment Company Act of 1940, as amended, (the “1940 Act”), unless otherwise noted. All of the Company’s investments are issued by U.S. portfolio companies unless otherwise noted.
[2] Except as otherwise noted, because there is no readily available market value for these investments, the fair value of each of these investments is determined in good faith using significant unobservable inputs by the Valuation Designee. (See Note 4 in the accompanying notes to the consolidated financial statements).
[3] All of the Company’s investments are issued by eligible portfolio companies, as defined in the Investment Company Act of 1940, as amended, (the “1940 Act”), unless otherwise noted. All of the Company’s investments are issued by U.S. portfolio companies unless otherwise noted.
[4] Except as otherwise noted, because there is no readily available market value for these investments, the fair value of each of these investments is determined in good faith using significant unobservable inputs by the Valuation Designee. (See Note 4 in the accompanying notes to the consolidated financial statements).