Revenue	6 Months Ended
	Jun. 30, 2022
Revenue from Contract with Customer [Abstract]
Revenue	RevenueSublicense revenueSublicense revenue relates to the revenue that the Company recognized in relation to the Alfasigma Sublicense. The Company recognized sublicense revenue of $0.2 million and $10.3 million in the three months ended June 30, 2022 and 2021, respectively, and $0.3 million and $10.3 million in the six months ended June 30, 2022 and 2021, respectively.