Acquisitions and Related Arrangements - Net Assets Acquired (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 05, 2025	Nov. 17, 2025	Sep. 17, 2025	Aug. 11, 2025	Dec. 31, 2024
Asset Acquisition
Cash and cash equivalents	$ 82,908					$ 101,654
Short-term restricted cash	5,441					1,330
Trade and other receivables, net	4,896					1,839
Prepaid expenses and other current assets	852					2,076
Long-term restricted cash	45,361					3,432
Intangible assets	44,756					25,909
Other assets - long term	427					1,861
Accounts payable	(2,208)					(1,053)
Accrued and other liabilities	(9,885)					(5,752)
Operating lease liabilities	(2,464)					(446)
Long-term operating lease liabilities	$ (20,114)					$ (483)
LAVA
Asset Acquisition
Cash and cash equivalents			$ 38,786
Trade and other receivables, net			85
Prepaid expenses and other current assets			1,266
Long-term restricted cash			6,333
Accounts payable			(4,123)
Accrued and other liabilities			(4,452)
Net assets acquired			38,978
LAVA | LAVA-1266 IP
Asset Acquisition
Intangible assets			149
LAVA | LAVA J&J Partnered Program IP
Asset Acquisition
Intangible assets			171
LAVA | LAVA Pfizer Partnered Program IP
Asset Acquisition
Intangible assets			$ 763
HilleVax
Asset Acquisition
Cash and cash equivalents				$ 102,752
Short-term restricted cash				5,244
Trade and other receivables, net				275
Prepaid expenses and other current assets				64
Long-term restricted cash				38,063
Other assets - long term				26
Accrued and other liabilities				(663)
Operating lease liabilities				(1,879)
Long-term operating lease liabilities				(20,646)
Net assets acquired				$ 123,236
Turnstone
Asset Acquisition
Cash and cash equivalents					$ 10,525
Short-term restricted cash					1,790
Trade and other receivables, net					272
Prepaid expenses and other current assets					1,363
Accounts payable					(2,268)
Accrued and other liabilities					(285)
Net assets acquired					$ 11,397
Mural
Asset Acquisition
Cash and cash equivalents		$ 41,778
Prepaid expenses and other current assets		129
Accrued and other liabilities		(1,053)
Net assets acquired		$ 40,854