Investments - Schedule of Geographic Composition of Investments at Cost and Fair Value (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Summary of Investment Holdings [Line Items]
Amortized Cost	$ 6,389,065	$ 4,534,957
Fair Value	$ 6,391,054	$ 4,529,064	$ 2,197,053
% of Total Investments at Fair Value	100.00%	100.00%
Fair Value as % of Net Assets	194.95%	188.56%
UNITED STATES
Summary of Investment Holdings [Line Items]
Amortized Cost	$ 5,686,259	$ 4,204,937
Fair Value	$ 5,668,402	$ 4,209,632
% of Total Investments at Fair Value	88.69%	92.95%
Fair Value as % of Net Assets	172.90%	175.26%
LUXEMBOURG
Summary of Investment Holdings [Line Items]
Amortized Cost	$ 74,981	$ 73,272
Fair Value	$ 66,877	$ 69,901
% of Total Investments at Fair Value	1.05%	1.54%
Fair Value as % of Net Assets	2.04%	2.91%
UNITED KINGDOM
Summary of Investment Holdings [Line Items]
Amortized Cost	$ 345,908	$ 256,748
Fair Value	$ 353,014	$ 249,531
% of Total Investments at Fair Value	5.52%	5.51%
Fair Value as % of Net Assets	10.77%	10.39%
SWITZERLAND
Summary of Investment Holdings [Line Items]
Amortized Cost	$ 142,294
Fair Value	$ 161,779
% of Total Investments at Fair Value	2.53%
Fair Value as % of Net Assets	4.93%
IRELAND
Summary of Investment Holdings [Line Items]
Amortized Cost	$ 90,861
Fair Value	$ 90,761
% of Total Investments at Fair Value	1.42%
Fair Value as % of Net Assets	2.77%
AUSTRALIA
Summary of Investment Holdings [Line Items]
Amortized Cost	$ 48,762
Fair Value	$ 50,221
% of Total Investments at Fair Value	0.79%
Fair Value as % of Net Assets	1.53%