Summary of Accounting Policies - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Change in Accounting Estimate [Line Items]
Technology and development	$ 44,392	$ 43,335	$ 139,196	$ 135,678
Net loss	$ (18,972)	$ (90,245)	$ (107,128)	$ (259,197)
Net loss per share attributable to common stock - basic (in dollars per share)	$ (0.17)	$ (0.83)	$ (0.96)	$ (2.42)
Net loss per share attributable to common stock - diluted (in dollars per share)	$ (0.17)	$ (0.83)	$ (0.96)	$ (2.42)
Service Life
Change in Accounting Estimate [Line Items]
Technology and development	$ 1,648
Net loss	$ 1,648
Net loss per share attributable to common stock - basic (in dollars per share)	$ 0.01
Net loss per share attributable to common stock - diluted (in dollars per share)	$ 0.01