Net Loss per Share - Schedule of Basic and Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator:
Net loss	$ (29,350)	$ (29,348)	$ (23,840)	$ (16,412)	$ 616	$ (86,660)	$ (82,538)	$ (102,456)
Accretion of preferred stock to redemption value	0			0			0	(1,468)
Cumulative dividend on preferred stock	(6,362)			(6,363)			(18,879)	(10,922)
Net loss attributable to common stockholders, basic	(35,712)			(22,775)			(101,417)	(114,846)
Net loss attributable to common stockholders, diluted	$ (35,712)			$ (22,775)			$ (101,417)	$ (114,846)
Denominator:
Weighted-average common shares outstanding, diluted (in shares)	22,226,301			14,965,186			20,665,225	11,795,738
Weighted-average common shares outstanding, basic (in shares)	22,226,301			14,965,186			20,665,225	11,795,738
Net loss per share attributable to common stockholders, basic (in dollars per share)	$ (1.61)			$ (1.52)			$ (4.91)	$ (9.74)
Net loss per share attributable to common stockholders, diluted (in dollars per share)	$ (1.61)			$ (1.52)			$ (4.91)	$ (9.74)