Material Agreements - Additional Information (Detail) - USD ($)				3 Months Ended
	Nov. 17, 2021	Dec. 07, 2018	Dec. 19, 2017	Jun. 30, 2023	Mar. 31, 2023
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Upfront, non-refundable payment			$ 30,000,000.0
Research and development and out-of-pocket (in percent)			50.00%
Cumulative milestone payments				$ 32,500,000
Purchase price		$ 37,800,000
Acquired in-process research and development				12,500,000
HanAll Biopharma Co., Ltd
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Research and development payable				0	$ 0
Samsung Biologics Co., Ltd
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Purchase obligation, additional purchases, period (in years)	4 years
Purchase obligation, termination notice period (in days)	30 days
Purchase obligation, fees covered, termination period (in years)	2 years
Purchase obligation				$ 26,500,000
Maximum
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Consideration paid			$ 20,000,000.0
Maximum | Upon Achievement Of Development Regulatory And Sales Milestones
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Contingent milestone payments			$ 420,000,000.0