Net Loss per Share Attributable to Common Stock - Computation of Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Numerator:
Net loss from continuing operations	$ (33,782)	$ (18,972)	$ (128,436)	$ (103,494)
Dividends on convertible preferred stock	(282)	(335)	(706)	(858)
Net loss attributable to common stock - basic	$ (34,064)	$ (19,307)	$ (129,142)	$ (107,986)
Weighted average shares - basic (in shares)	122,876,102	114,592,679	120,553,264	112,141,342
Weighted-average shares to compute net loss per share attributable to common stock—basic and diluted	122,876,102	114,592,679	120,553,264	112,141,342
Net loss per share attributable to common stock - diluted (in dollars per share)	$ (0.28)	$ (0.17)	$ (1.07)	$ (0.96)
Denominator:
Weighted average shares - basic (in shares)	122,876,102	114,592,679	120,553,264	112,141,342
Weighted-average shares to compute net loss per share attributable to common stock—basic and diluted	122,876,102	114,592,679	120,553,264	112,141,342
Net loss per share attributable to common stock - diluted (in dollars per share)	$ (0.28)	$ (0.17)	$ (1.07)	$ (0.96)
Net loss per share attributable to common stock - basic (in dollars per share)	$ (0.28)	$ (0.17)	$ (1.07)	$ (0.96)
Net loss from continuing operations per share attributable to common stock—basic and diluted	$ (34,064)	$ (19,307)	$ (129,142)	$ (104,352)
Net Income (Loss) from Continuing Operations Available to Common Shareholders, Diluted	$ (34,064)	$ (19,307)	$ (129,142)	$ (104,352)