Loss Per Share - Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Numerator:
Net loss	$ (29,027)	$ (22,794)
Denominator:
Weighted-average common shares outstanding, basic (shares)	162,974	144,207
Weighted-average common shares outstanding, diluted (shares)	162,974	144,207
Net loss per share attributable to common stockholders, basic (USD per share)	$ (0.18)	$ (0.16)
Net loss per share attributable to common stockholders, diluted (USD per share)	$ (0.18)	$ (0.16)