Significant Accounting Policies (Details) - USD ($)	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Significant Accounting Policies
Total investments	$ 33,482,000		$ 27,500,000
Control Investments [Member]
Significant Accounting Policies
Total investments	22,850,000		27,500,000
Non-affiliate Investments [Member]
Significant Accounting Policies
Total investments	10,632,000
Level 1 [Member]
Significant Accounting Policies
Total investments	0		0
Level 1 [Member] \| Control Investments [Member]
Significant Accounting Policies
Total investments	0		0
Level 1 [Member] \| Non-affiliate Investments [Member]
Significant Accounting Policies
Total investments	0
Level 2 [Member]
Significant Accounting Policies
Total investments	7,313,000		0
Level 2 [Member] \| Control Investments [Member]
Significant Accounting Policies
Total investments	0		0
Level 2 [Member] \| Non-affiliate Investments [Member]
Significant Accounting Policies
Total investments	7,313,000
Level 3 [Member]
Significant Accounting Policies
Total investments	26,169,000	$ 28,458,000	27,500,000	$ 46,500,000	$ 41,750	$ 40,853,000
Level 3 [Member] \| Control Investments [Member]
Significant Accounting Policies
Total investments	22,850,000	24,500,000	27,500,000	$ 46,500,000	$ 41,750,000	40,853,000
Level 3 [Member] \| Non-affiliate Investments [Member]
Significant Accounting Policies
Total investments	$ 3,319,000	$ 3,958,000	$ 0			$ 0