Borrowings - 2023 Asset-Backed Securitization (Details) - USD ($) $ in Thousands		Sep. 30, 2024		Dec. 31, 2023		Sep. 15, 2023	Apr. 07, 2022
Borrowings
Total aggregate principal amount committed/ outstanding		$ 2,394,963		$ 1,587,138
Fair value	[1]	3,662,029	[2]	2,528,167	[3]
2023 ABS
Borrowings
Total aggregate principal amount committed/ outstanding		185,850		185,850		$ 251,169
2023 ABS | Asset pledged as collateral
Borrowings
Fair value		$ 249,379		$ 248,175
Class A Senior Secured Notes
Borrowings
Total aggregate principal amount committed/ outstanding						$ 160,750	$ 261,375
Interest rate							4.05%
Class A Senior Secured Notes | Adjusted Term SOFR
Borrowings
Interest rate						3.50%
Class B Senior Secured Notes
Borrowings
Total aggregate principal amount committed/ outstanding						$ 25,100	$ 44,625
Interest rate						11.16%	5.15%
2023 Subordinated Notes
Borrowings
Total aggregate principal amount committed/ outstanding						$ 65,319
2023 Class A Senior Secured Notes
Borrowings
Interest rate		8.80%		8.90%
2023 Class B Senior Secured Notes
Borrowings
Interest rate		11.20%		11.20%

[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] 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.)