Stock Incentive Plans (Tables)

6 Months Ended

Jun. 30, 2025

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Schedule of Restricted Stock Unit Activity ("RSU") and Restricted Stock Awards ("RSA")

The table below summarizes the restricted stock unit ("RSU") and restricted stock award ("RSA") activity for the six months ended June 30, 2025:

				Weighted-
				Average
	Shares			Fair Value
Unvested —December 31, 2024		31,042,552		$	10.92
Granted		15,737,535			10.19
Vested		(14,912,601	)		11.14
Forfeited		(1,524,504	)		10.39
Unvested —June 30, 2025		30,342,982			10.45

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

The table below summarizes the stock option activity for the six months ended June 30, 2025:

						Weighted-
						Average
				Weighted-		Remaining		Aggregate
				Average		Contractual		Intrinsic
				Exercise		Life		Value
	Shares			Price		(in years)		(in thousands)
Options outstanding—December 31, 2024		23,349,505		$	3.11		3.2	$	201,305
Exercised		(690,442	)		2.84
Forfeited and canceled		(2,384	)		8.58
Options outstanding—June 30, 2025		22,656,679		$	3.12		2.6	$	142,594
Options exercisable—June 30, 2025		22,317,278		$	3.05		2.6	$	141,945
Options vested and expected to vest—June 30, 2025		22,650,559		$	3.11		2.6	$	142,587

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, 2025 and 2024 (in thousands):

	For the Three Months Ended				For the Six Months Ended
	June 30,				June 30,
	2025		2024		2025		2024
Cost of revenues	$	4,110	$	2,672	$	6,795	$	4,754
Research and development		14,535		11,515		32,136		22,586
Sales and marketing		12,522		6,785		25,650		12,513
General and administrative		14,808		19,153		42,442		45,243
Total stock-based compensation expense	$	45,975	$	40,125	$	107,023	$	85,096

2021 Employee Stock Purchase Plan [Member]

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

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

The fair value of the ESPP purchase rights sold during the six months ended June 30, 2025 was estimated using the Black-Scholes option pricing model with the following assumptions:

Expected term (in years)	0.5
Expected volatility	23%
Expected dividend yield	0%
Risk-free interest rate	5.3%