Income Taxes - Summary of Reconciliation Increase in Net Assets (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Increase (decrease) in net assets resulting from operations	$ 88,679	$ 138,381	$ 157,926	$ 128,107	$ 173,641	$ 126,980	$ 107,594	$ 97,725	$ 61,437	$ 61,503	$ 32,831	$ 28,218	$ 513,093	$ 505,940	$ 183,989
Adjustments:
Net unrealized (gains) losses on investments													80,914	(134,024)	(56,755)
Other income (loss) for tax purposes, not book													7,426	13,315	7,579
Deferred organization costs													(146)	(146)	(146)
Other expenses not currently deductible													33	2,184	1,547
Other book-tax differences													(10,166)	17,879	6,958
Taxable Income													$ 591,154	$ 405,148	$ 143,172