STOCK-BASED AWARDS (Tables)

6 Months Ended

Jun. 30, 2025

Share-Based Payment Arrangement [Abstract]

Schedule of Stock Option Activity

A summary of stock option activity for the six months ended June 30, 2025 was as follows:

	Outstanding Options
	Number of Options	Weighted Average Exercise Price		Weighted-Average Remaining Contractual Term	Intrinsic Value (in thousands)
Balance as of December 31, 2024	26,894,103	$	1.84	4.4	$	48,886
Options exercised	(4,490,688)	0.56
Options canceled	(330,230)	7.85
Balance as of June 30, 2025	22,073,185	$	2.01	4.46	$	20,608
Options vested and exercisable as of June 30, 2025	20,509,721	$	1.63	4.40	$	20,608

Schedule of Restricted Stock Units Activity

A summary of RSUs activity for the six months ended June 30, 2025 was as follows:

	Restricted Stock Units
	Time-Based Shares	Performance-Based Shares	Total Shares	Weighted-Average Grant-Date Fair Value
Balance as of December 31, 2024	87,969,008	15,996,461	103,965,469	$	4.83
Granted	30,400,463	1,623,784	32,024,247	$	2.50
Vested	(29,324,838)	(4,985,271)	(34,310,109)	$	5.42
Cancelled/Forfeited	(6,210,649)	(781,552)	(6,992,201)	$	4.02
Balance as of June 30, 2025	82,833,984	11,853,422	94,687,406	$	3.89

Schedule of Stock-Based Compensation Expense

Total employee and nonemployee stock-based compensation expense for the three and six months ended June 30, 2025 and 2024, was classified in the condensed consolidated statements of operations and comprehensive loss as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2025		2024		2025		2024
Cost of revenue	$	582	$	899	$	1,704	$	1,811
Research and development	34,195		33,526		69,016		71,059
Selling, general and administrative	21,542		24,068		13,114		49,319
Restructuring charges	—		(1,480)		—		(1,480)
Total	$	56,319	$	57,013	$	83,834	$	120,709