Fair Value Measurements - Schedule of SVB Warrant Liability Measured at Fair Value and 2021 Convertible Notes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Change in fair value of warrant liability through conversion	$ 2,180	$ 198
2021 Convertible Notes
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Balance at December 31, 2020	0
Fair value of convertible promissory notes at issuance	130,500
Change in fair value of convertible promissory notes through conversion	35,199
Conversion of convertible promissory notes Fair Value	(165,699)
Balance at December 31, 2021	0	0
SVB Warrant Liability
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Balance at December 31, 2020	451
Change in fair value of warrant liability through conversion	2,180
Reclassification of warrant liability into equity	(2,631)
Balance at December 31, 2021	$ 0	$ 451