Investments and Equity Method Investments - Schedule of Investments and Equity Method Investments (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022		Dec. 31, 2022
Net Investment Income [Line Items]
Investments		$ 119,944		$ 119,944			$ 112,188
Equity Method Investments	[1]	1,120		1,120			1,543
Loss on investments		(2,121)	$ (38,673)	(8,491)	$ (38,223)	[2]
Income (Loss) from Equity Method Investments, Total		(67)	(10,166)	(1,516)	(31,053)	[2]
Genomatica, Inc. Preferred Stock [Member]
Net Investment Income [Line Items]
Investments		44,885		44,885			44,885
Synlogic, Inc. Common Stock [Member]
Net Investment Income [Line Items]
Investments		2,727		2,727			4,819
Loss on investments		(1,281)	(7,926)	(2,092)	(8,053)
Synlogic, Inc. Warrant [Member]
Net Investment Income [Line Items]
Investments		1,095		1,095			1,937
Loss on investments		(514)	(3,185)	(841)	(3,236)
Marketable Equity Securities [Member]
Net Investment Income [Line Items]
Investments		17,149		17,149			20,895
Loss on investments		(326)	(17,447)	(3,747)	(16,819)
Non Marketable Equity Securities [Member]
Net Investment Income [Line Items]
Investments		29,259		29,259			17,544
SAFEs [Member]
Net Investment Income [Line Items]
Investments		24,829		24,829			22,108
Loss on investments		0	0	(1,811)	0
BiomEdit LLC [Member]
Net Investment Income [Line Items]
Equity Method Investments	[1]	0		0			369
Income (Loss) from Equity Method Investments, Total		0	(4,552)	(1,462)	(4,552)
Joyn Bio, LLC [Member]
Net Investment Income [Line Items]
Income (Loss) from Equity Method Investments, Total		0	(5,424)	0	(10,411)
Verb Biotics LLC Member
Net Investment Income [Line Items]
Income (Loss) from Equity Method Investments, Total		0	0	0	(15,900)
Other [Member]
Net Investment Income [Line Items]
Equity Method Investments	[1]	1,120		1,120			$ 1,174
Income (Loss) from Equity Method Investments, Total		(67)	(190)	(54)	(190)
Genomatica [Member]
Net Investment Income [Line Items]
Loss on investments		$ 0	$ (10,115)	$ 0	$ (10,115)

[1] Equity method investments in Platform Ventures with a carrying value of zero as of June 30, 2023 and December 31, 2022 were excluded from the table.

[2] As adjusted to reflect the impact of the adoption of Accounting Standards Codification Topic 842, Leases (“ASC 842”) as of January 1, 2022. See Note 1 for a summary of the adjustments.