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UCB Option and License Agreement - Narrative (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
Disaggregation of Revenue [Line Items]
Collaboration revenue	$ 781	$ 0	$ 1,464	$ 0
Current portion of deferred revenue	2,039		2,039		$ 2,818
UCB | License
Disaggregation of Revenue [Line Items]
Upfront payment	3,500		3,500		5,000
Milestone payments					98,500
Transaction price					$ 5,000
Collaboration revenue	800		1,500
Current portion of deferred revenue	$ 2,000		$ 2,000

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