Related Party Transactions - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Related Party Transaction [Line Items]
Deferred revenue current	$ 22,140	$ 43,839
Collaboration revenue	36,275	52,121	$ 33,053
Revenue	6,600	11,400	2,900
AvenCell Member
Related Party Transaction [Line Items]
Collaboration revenue	$ 13,200	22,800	5,900
Joint Venture AvenCell [Member] \| AvenCell Member
Related Party Transaction [Line Items]
Equity method investment, ownership percentage	33.33%
AvencellLca
Related Party Transaction [Line Items]
Revenue	$ 13,200	22,800	5,900
AvencellCoCo
Related Party Transaction [Line Items]
Collaboration revenue			$ 200
Revenue	600
Contra Revenue		2,000
Aggregate transaction price remaining to be recognized	0
Materials Shipped
Related Party Transaction [Line Items]
Revenue	$ 200	$ 300

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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