Stock-Based Compensation (Tables)

9 Months Ended

Oct. 31, 2021

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Stock Option Activity Under Equity Incentive Plans and Related Information

The following table summarizes the stock option activity under the equity incentive plans and related information:

	Shares Subject to Options Outstanding					Weighted- Average
				Weighted-		Remaining
				Average Exercise		Contractual Life		Aggregate
	Shares			Price		(Years)		Intrinsic Value
								(in thousands)
Balance as of January 31, 2021		6,617,037		$	10.77		3.77	$	48,098
Options granted		—			—
Options exercised		(314,720	)		7.60
Options forfeited/cancelled		—			—
Balance as of October 31, 2021		6,302,317		$	10.93		3.07	$	93,985
Vested and expected to vest as of October 31, 2021		6,243,569		$	10.84		3.03	$	93,649
Exercisable as of October 31, 2021		5,132,047		$	8.83		2.19	$	87,283

Summary of Restricted Stock Unit Activity Under Equity Incentive Plans and Related Information

The following table summarizes the restricted stock unit activity under the equity incentive plans and related information:

	Number of			Weighted-
	Restricted			Average
	Stock Units			Grant Date
	Outstanding			Fair Value
Unvested balance - January 31, 2021		14,330,678		$	17.68
Granted		10,117,269			24.06
Vested		(5,285,619	)		19.61
Forfeited/cancelled		(3,337,538	)		19.22
Unvested balance - October 31, 2021		15,824,790		$	20.78

Summary of Components of Stock-Based Compensation Expense

The following table summarizes the components of stock-based compensation expense recognized in the condensed consolidated statements of operations (in thousands):

	Three Months Ended				Nine Months Ended
	October 31,				October 31,
	2021		2020		2021		2020
Cost of revenue	$	4,786	$	4,731	$	15,009	$	13,673
Research and development		17,712		14,581		49,791		46,139
Sales and marketing		13,872		10,619		38,342		31,364
General and administrative		9,219		7,903		28,365		24,262
Total stock-based compensation	$	45,589	$	37,834	$	131,507	$	115,438