Financial Highlights (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended						3 Months Ended
	Mar. 31, 2026	Feb. 27, 2026	Jan. 30, 2026	Mar. 31, 2025	Feb. 28, 2025	Jan. 31, 2025	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025	Dec. 31, 2024
Per Share Operating Performance
Net asset value, beginning of period (in dollars per share)			$ 1,031.53			$ 1,036.06	$ 1,031.53	$ 1,036.06
Income from investment operations:
Net investment income (in dollars per share)							28.16	33.92
Net realized and unrealized gains (losses) (in dollars per share)							(22.82)	5.31
Total investment from operations (in dollars per share)							5.34	39.23
Distributions from:
Net investment income (in dollars per share)							(27.98)	(31.87)
Total distributions (in dollars per share)	$ (8.91)	$ (9.03)	$ (10.04)	$ (10.02)	$ (10.86)	$ (10.99)	(27.98)	(31.87)
Net asset value, end of period (in dollars per share)	$ 1,008.89			$ 1,043.42			$ 1,008.89	$ 1,043.42
Total return							0.52%	3.79%
Ratio to average net assets
Expenses, before waiver							7.20%	9.42%
Expenses, after waiver							5.95%	8.07%
Net investment income, before waiver							9.85%	11.02%
Net investment income, after waiver							11.10%	12.37%
Supplemental data
Net asset value, end of period	$ 705,604			$ 482,613			$ 705,604	$ 482,613	$ 708,152	$ 386,818
Portfolio turnover rate							3.82%	1.86%