Federal Income Tax - Unrealized Appreciation (Depreciation) by Entity (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Income Tax Contingency [Line Items]
Tax-basis gross unrealized appreciation on investments	$ 88,060	$ 103,808
Tax-basis gross unrealized depreciation on investments	(64,977)	(52,353)
Tax-basis net unrealized appreciation on investments	23,083	51,455
RIC Entities
Income Tax Contingency [Line Items]
Tax-basis net unrealized appreciation on investments	27,890	49,423
Taxable Blocker Subsidiaries
Income Tax Contingency [Line Items]
Tax-basis gross unrealized appreciation on investments	3,131	2,041
Tax-basis gross unrealized depreciation on investments	(7,938)	(9)
Tax-basis net unrealized appreciation on investments	$ (4,807)	$ 2,032