Net (Loss) Income Per Share - Summary of Computation of Company's Basic and Diluted Net (Loss) Income per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
Numerator:
Net (loss) income, basic and diluted	$ (30,902)	$ (6,152)	$ (30,359)	$ 17,139	$ 29,872	$ (19,595)	$ (67,413)	$ 27,416
Denominator:
Weighted-average shares used in computing basic net (loss) income per share	46,162,544			36,887,266			46,060,010	29,994,917
Weighted-average shares used to compute diluted EPS	46,162,544			37,877,552			46,060,010	30,349,856
Net (loss) income per share:
Basic	$ (0.67)			$ 0.46			$ (1.46)	$ 0.91
Diluted	$ (0.67)			$ 0.45			$ (1.46)	$ 0.90
Stock Options
Denominator:
Dilutive effect of share based payment arrangements				828,623				228,557
Restricted Stock Units
Denominator:
Dilutive effect of share based payment arrangements				159,788				120,649
Warrants to Purchase Common Stock
Denominator:
Dilutive effect of share based payment arrangements				1,875				5,733