Fair Value Measurements, Reconciliation for Level 3 Assets Measured at Fair Value on a Recurring Basis (Details)	6 Months Ended
Jun. 30, 2021 USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	$ 33,657,745
Total unrealized gain or (losses) [Abstract]
Realized gains (losses)	756,307
Unrealized gains (losses)	7,300,206
Purchases	18,790,343
Sales	(756,307)
Ending Balance	59,748,294
Beginning Balance	33,657,745
Purchases
Ending Balance	59,748,294
Equity Securities [Member]
Total unrealized gain or (losses) [Abstract]
Beginning Balance	3,161,120
Purchases
Realized gains (losses)	756,307
Unrealized gains (losses)	(243,123)
Purchases	1,802,857
Sales	(756,307)
Ending Balance	4,720,854
Equity Securities at Net Asset Value [Member]
Total unrealized gain or (losses) [Abstract]
Beginning Balance	30,496,625
Purchases
Realized gains (losses)	0
Unrealized gains (losses)	7,543,329
Purchases	16,987,486
Sales	0
Ending Balance	$ 55,027,440

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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- Definition

Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1a)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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- Definition

Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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Amount of gain (loss) recognized in income from asset including assets measured at net asset value measured at fair value on recurring basis using unobservable input (level 3).

+ References

No definition available.

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Amount of gain (loss) recognized in other comprehensive income (OCI) from asset including assets measured at net asset value measured at fair value on recurring basis using unobservable input (level 3).

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Fair value of financial instrument classified as an asset including assets measured at net asset value measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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