Equity Based Compensation - Compensation expense related to share-based awards (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total equity-based compensation expense	$ 11,202	$ 8,000	$ 24,222	$ 60,686
Research and development
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total equity-based compensation expense	3,284	1,336	8,443	18,703
General and administrative
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total equity-based compensation expense	$ 7,918	$ 6,664	$ 15,779	$ 41,983