Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Summary Of Significant Accounting Policies [Line Items]
Share in net loss of equity method investment	$ 342,000		$ 5,865,000
Notice period for cancellation of agreement			30 days
Revenue	65,155,000	$ 19,590,000	$ 152,963,000	$ 45,073,000
License
Summary Of Significant Accounting Policies [Line Items]
Revenue	$ 0		$ 0