Sanofi Agreement (Additional Information) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	May 31, 2022	Mar. 31, 2022
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Deferred Revenue	$ 148,409	$ 148,931
Upfront payment received	150,000
Contract Assets	0			$ 0
Contract Liabilities		$ 0
Sanofi Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Deferred Revenue	148,400
Deferred Revenue, Current	3,600
Revenues	500
Revenue Transaction Price	150,000
Upfront payment received			$ 150,000
Development and regulatory milestones exchange	$ 1,065,000
European Medicines Agency [Member] | Sanofi Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Profit sharing ratio description	50:50
Development and regulatory milestones exchange	$ 940,000