Segment Disclosure - Summary of Significant Expenses Related to The Life Science Segment (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	$ 2,820				$ 2,820	$ 16,146
Costs and operating expenses
Cost of revenues						475
Research and development
Total research and development expenses	17,133		$ 13,953		34,177	26,982
General and administrative
Total general and administrative expenses	5,437		6,079		11,307	14,326
Total costs and operating expenses	22,570		20,032		45,484	41,783
Other segment income	1,679		2,731		3,435	5,080
Income tax expense	283				283
Net loss	(18,354)	$ (21,158)	(17,301)	$ (3,256)	(39,512)	(20,557)
Reconciliation of profit or loss
Consolidated net loss	(18,354)		(17,301)		(39,512)	(20,557)
Operating Segments
Costs and operating expenses
Cost of revenues	0		0		0	475
Research and development
Total research and development expenses	17,133		13,953		34,177	26,982
General and administrative
Total general and administrative expenses	5,437		6,079		11,307	14,326
Total costs and operating expenses	22,570		20,032		45,484	41,783
Other segment income	1,679		2,731		3,435	5,080
Income tax expense	283				283
Net loss	(18,354)		(17,301)		(39,512)	(20,557)
Milestone revenue, royalty revenue and sale of royalty rights | Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	2,820		0		2,820	16,146
Clinical product candidates | Operating Segments
Research and development
Total research and development expenses	4,388		3,786		9,534	7,760
Clinical product manufacturing | Operating Segments
Research and development
Total research and development expenses	6,194		3,657		9,578	6,220
Personnel-related expenses excluding stock-based compensation | Operating Segments
Research and development
Total research and development expenses	3,490		3,482		8,229	6,986
General and administrative
Total general and administrative expenses	1,060		1,235		2,551	3,154
Stock-based compensation
Research and development
Total research and development expenses	569		771		1,691	1,449
General and administrative
Total general and administrative expenses	2,446		2,100		4,955	5,742
Depreciation and amortization
Research and development
Total research and development expenses	458		224		931	539
Professional and consultant fees | Operating Segments
General and administrative
Total general and administrative expenses	863		1,134		1,677	2,214
Other | Operating Segments
Research and development
Total research and development expenses	2,034		2,033		4,214	4,028
General and administrative
Total general and administrative expenses	$ 1,068		$ 1,610		$ 2,124	$ 3,216