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Marketable Debt and Equity Securities - Equity Securities with Readily Determinable Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Equity Securities
Net gain (loss) recorded on equity securities	$ (12,027)	$ 288	$ (9,702)	$ (2,610)
Equity securities with readily determinable fair value	28,271		28,271		$ 42,210
Common Stock
Equity Securities
Equity securities with readily determinable fair value	28,271		28,271		42,210
Astria | Common Stock
Equity Securities
Equity securities with readily determinable fair value	2,311		2,311		5,360
INmune | Common Stock
Equity Securities
Equity securities with readily determinable fair value	16,630		16,630		21,231
Viridian | Common Stock
Equity Securities
Equity securities with readily determinable fair value	$ 9,330		$ 9,330		$ 15,619

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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