Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2022

Stockholders' Equity Note [Abstract]

Schedule of Stock Option Activity

The following table summarizes stock option activity during the six months ended June 30, 2022:

	Shares	Weighted- Average  Exercise Price	Weighted- Average Remaining Contractual Term	Aggregate Intrinsic Value
	(in thousands)		(in years)	(in thousands)
Outstanding at December 31, 2021	4,369	5.07	5.10	$	132,721
Granted	—	—
Exercised	(1,624)	2.94
Cancelled/forfeited	(112)	11.50
Outstanding at June 30, 2022	2,633	6.12	5.22	$	15,906
Vested and exercisable at June 30, 2022	2,319	5.52	5.02	$	15,129

Schedule of Restricted Stock Units

The following table summarizes RSU activity during the six months ended June 30, 2022:

	Number of Shares	Weighted-Average  Grant Date Fair Value Per Share
	(in thousands)
Unvested RSUs as of December 31, 2021	5,285	$	42.80
Granted	7,481	17.12
Vested	(1,083)	39.60
Cancelled/forfeited	(811)	37.32
Unvested RSUs as of June 30, 2022	10,872	$	25.87

The following table summarizes the activity related to the revest shares during the six months ended June 30, 2022:

	Number of Shares	Weighted-Average Grant Date Fair Value Per Share
	(in thousands)
Unvested revest shares as of December 31, 2021	336	$	97.84
Granted	—	—
Modification of shares subject to revest	(224)	97.84
Vested	(75)	97.84
Cancelled/forfeited	—	—
Unvested revest shares as of June 30, 2022	37	$	97.84

Schedule of Stock-Based Compensation Expense

The following table summarizes the components of total stock-based compensation expense included in the accompanying Condensed Consolidated Statements of Operations:

	Three months ended June 30,				Six months ended June 30,
	2022		2021		2022		2021
	(in thousands)
Cost of revenue	$	3,188	$	1,828	$	6,134	$	3,014
Research and development	13,889		8,634		32,478		16,592
Sales and marketing	10,184		5,631		20,278		10,639
General and administrative	7,717		17,333		16,110		34,019
Total stock-based compensation expense	$	34,978	$	33,426	$	75,000	$	64,264