Significant Accounting Policies (Details 1) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Fair value beginning balance	$ 27,500
Purchases of portfolio securities	1,500	$ 2,247
Fair value ending balance	32,958
Level 3 [Member]
Fair value beginning balance	27,500	40,853
Sale of portfolio securities	(4,000)
Purchases of portfolio securities	2,750	2,247
Change in unrealized appreciation	908	(1,350)
Fair value ending balance	27,158	41,750
Level 3 [Member] \| Non-affiliate Investments [Member]
Fair value beginning balance	0	0
Sale of portfolio securities	0
Purchases of portfolio securities	2,750	0
Change in unrealized appreciation	(92)	0
Fair value ending balance	2,658	0
Level 3 [Member] \| Affiliate Investments [Member]
Fair value beginning balance	0	0
Sale of portfolio securities	0
Purchases of portfolio securities	0	0
Change in unrealized appreciation	0	0
Fair value ending balance	0	0
Level 3 [Member] \| Control Investments [Member]
Fair value beginning balance	27,500	40,853
Sale of portfolio securities	(4,000)
Purchases of portfolio securities	0	2,247
Change in unrealized appreciation	1,000	(1,350)
Fair value ending balance	$ 25,500	$ 41,750

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- Definition

Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Sum of the carrying amounts as of the balance sheet date of all investments.

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- Definition

Cash paid to purchase debt and equity securities, classified as operating activities, during the period; includes trading securities and any other investments classified as operating.

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