Tax Information - Schedule of Aggregate Unrealized Appreciation and Depreciation on Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Tax cost	$ 3,439,934	$ 3,677,186	$ 3,555,001
Gross unrealized appreciation	28,055	36,583	24,511
Gross unrealized depreciation	(172,775)	(211,015)	(166,025)
Net unrealized investment appreciation (depreciation) on investments	$ (144,720)	$ (174,432)	$ (141,514)