Stock Incentive Plans (Tables)

6 Months Ended

Jun. 30, 2022

Share-Based Payment Arrangement [Abstract]

Summary of Share-based Compensation Arrangements by Share-based Payment Award

The table below summarizes the option activity for the six months ended June 30, 2022:

						Weighted-
						Average
				Weighted-		Remaining		Aggregate
				Average		Contractual		Intrinsic
				Exercise		Life		Value
	Shares			Price		(in years)		(in thousands)
Options outstanding—December 31, 2021		55,644,495		$	2.95		6.0	$	469,591
Exercised		(5,682,071	)		2.71
Forfeited and canceled		(222,234	)		4.67
Options outstanding—June 30, 2022		49,740,190		$	2.97		5.4	$	309,841
Options exercisable—June 30, 2022		45,634,668		$	2.73		5.1	$	295,200
Options vested and expected to vest—June 30, 2022		49,436,255		$	2.95		5.3	$	308,786

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The valuation of the performance-based RSUs with a market condition granted during the six months ended June 30, 2022 was determined using a Monte Carlo simulation model using the following assumptions:

Expected term (in years)	2.8
Expected volatility	35%
Expected dividend yield	0%
Risk-free interest rate	2.28%
Fair value at valuation date	$	7.42

Schedule of Non-vested Restricted Stock Units Activity

The table below summarizes the RSU activity for the six months ended June 30, 2022:

				Weighted-
				Average
	Shares			Fair Value
Non-vested RSUs—December 31, 2021		18,558,211		$	10.74
Granted		15,561,624			10.14
Vested		(103,124	)		9.68
Forfeited		(701,723	)		11.08
Non-vested RSUs—June 30, 2022		33,314,988			10.46

Summary of Share-based Payment Arrangement, Expensed and Capitalized, Amount

Stock-Based Compensation—Stock-based compensation expense has been recorded in the accompanying condensed consolidated statements of operations and comprehensive income (loss) as follows for the three and six months ended June 30, 2022 and 2021 (in thousands):

	For the Three Months Ended				For the Six Months Ended
	June 30,				June 30,
	2022		2021		2022		2021
Cost of revenues	$	1,661	$	176	$	2,510	$	394
Research and development		5,530		700		9,060		1,275
Sales and marketing		6,611		735		11,441		1,289
General and administrative		14,601		1,272		29,036		12,579
Total stock-based compensation expense	$	28,403	$	2,883	$	52,047	$	15,537