Income Taxes - Summary of Reconciliation Increase in Net Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Increase in net assets resulting from operations	$ 170,517	$ 186,566	$ 222,023
Adjustments:
Net unrealized (gain) losses on investments	(9,382)	42,024	(13,191)
Other income for tax purposes, not book.	3,536	(1,815)	2,680
Deferred organization costs	(100)	(100)	(100)
Other expenses not currently deductible	5,346	3,809	2,263
Other book-tax differences	(5,483)	(12,365)	(4,959)
Taxable Income	$ 164,434	$ 218,119	$ 208,716