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Marketable Equity Securities (Details 2) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Marketable Equity Securities
Cost of marketable equity securities sold	$ 0	$ 105	$ 0	$ 212
Realized (loss) gain on marketable equity securities sold	0	(78)	0	(159)
Proceeds from the sale of marketable equity securities sold	0	(27)	0	(53)
Net (loss) gain on marketable equity securities	(227)	(446)	(102)	(314)
Change in marketable equity securities at fair value	$ (227)	$ (473)	$ (102)	$ (367)

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- Definition

Amount of unrealized gain (loss) on investment in marketable security, excluding other-than-temporary impairment (OTTI).

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Amount of cash inflow from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as investing activity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 19
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-19

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-SubTopic 10
-Topic 321
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479567/321-10-45-1

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