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Investments - MedicBeacon Narrative (Details) - USD ($)		3 Months Ended		9 Months Ended
	Jan. 17, 2025	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Jan. 18, 2025	Dec. 31, 2024
Schedule of Investments [Line Items]
Gain on sale of investments				$ 5,200,000	$ 0
MediBeacon Inc.
Schedule of Investments [Line Items]
Beneficial ownership percentage		44.70%		44.70%			45.90%
MediBeacon Inc. | Life Sciences
Schedule of Investments [Line Items]
Gain on sale of investments				$ 4,400,000
Realized loss, equity issuance				5,900,000
Equity method investment, interest				1,500,000
Equity method investments		$ 0		0			$ 0
Cumulative unrecognized loss on equity method investments		18,200,000		18,200,000
MediBeacon Inc. | Life Sciences | Huadong
Schedule of Investments [Line Items]
Convertible notes and accrued interest converted to stock, in process	$ 7,500,000
Beneficial ownership percentage	45.90%					44.70%
Ownership percentage, fully diluted basis	40.10%					39.70%
MediBeacon Inc. | Life Sciences | Convertible Debt
Schedule of Investments [Line Items]
Notes receivable, face amount	$ 11,400,000
Accrued interest receivable	1,500,000
Convertible notes and accrued interest converted to stock	$ 12,900,000
MediBeacon Inc. | Notes Receivable | Life Sciences
Schedule of Investments [Line Items]
Accrued interest receivable		400,000		400,000			1,700,000
Notes receivable		500,000		500,000			$ 12,000,000
Interest income		$ 15,000	$ 300,000	$ 100,000	$ 1,000,000

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