Amount of investment in equity security without readily determinable fair value.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-3

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Amount of impairment loss on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-3

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6B
-Subparagraph (a)
-Publisher FASB
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Investments - Narrative (Details) - USD ($)	6 Months Ended
Investments - Narrative (Details) - USD ($)	Jun. 30, 2024	Sep. 30, 2024	Dec. 31, 2023
PanTHERA CryoSolutions, Inc. \| Series E Preferred Stock
Debt and Equity Securities, FV-NI [Line Items]
Fair value of non-marketable equity securities without readily determinable fair value		$ 1,000,000.0	$ 1,000,000.0
iVexSol, Inc.
Debt and Equity Securities, FV-NI [Line Items]
Fair value of non-marketable equity securities without readily determinable fair value		$ 0
Impairment charge	$ 4,100,000
iVexSol, Inc. \| Series A-1 and A-2, Preferred Stock
Debt and Equity Securities, FV-NI [Line Items]
Fair value of non-marketable equity securities without readily determinable fair value			$ 4,100,000