CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2022		289,093,000
Beginning balance at Dec. 31, 2022	$ 1,051,818	$ 3	$ 4,562,319	$ (7,431)	$ (3,503,073)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		144,000
Issuance of common stock upon exercise of stock options	45		45
Issuance of common stock upon vesting and settlement of restricted stock units, net of shares withheld for taxes (in shares)		3,235,000
Issuance of common stock upon vesting and settlement of restricted stock units, net of shares withheld for taxes	(27,870)		(27,870)
Issuance of common stock under employee stock purchase plan, net of shares withheld and retired for taxes	$ 4,312		4,312
Issuance of common stock under employee stock purchase plan, net of shares withheld for taxes (in shares)	367,319	367,000
Stock-based compensation	$ 105,880		105,880
Other comprehensive income (loss)	1,790			1,790
Net loss	(78,322)				(78,322)
Ending balance (in shares) at Jun. 30, 2023		292,839,000
Ending balance at Jun. 30, 2023	1,057,653	$ 3	4,644,686	(5,641)	(3,581,395)
Beginning balance (in shares) at Mar. 31, 2023		290,535,000
Beginning balance at Mar. 31, 2023	1,050,442	$ 3	4,600,688	(4,512)	(3,545,737)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		126,000
Issuance of common stock upon exercise of stock options	39		39
Issuance of common stock upon vesting and settlement of restricted stock units, net of shares withheld for taxes (in shares)		1,811,000
Issuance of common stock upon vesting and settlement of restricted stock units, net of shares withheld for taxes	(15,025)		(15,025)
Issuance of common stock under employee stock purchase plan, net of shares withheld and retired for taxes	$ 4,312		4,312
Issuance of common stock under employee stock purchase plan, net of shares withheld for taxes (in shares)	367,319	367,000
Stock-based compensation	$ 54,672		54,672
Other comprehensive income (loss)	(1,129)			(1,129)
Net loss	(35,658)				(35,658)
Ending balance (in shares) at Jun. 30, 2023		292,839,000
Ending balance at Jun. 30, 2023	1,057,653	$ 3	4,644,686	(5,641)	(3,581,395)
Beginning balance (in shares) at Dec. 31, 2023		296,695,000
Beginning balance at Dec. 31, 2023	$ 1,072,262	$ 3	4,713,522	(754)	(3,640,509)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)	122,000	121,000
Issuance of common stock upon exercise of stock options	$ 36		36
Issuance of common stock and options in connection with acquisition (in shares)		687,000
Issuance of common stock and options in connection with acquisition	12,874		12,874
Issuance of common stock upon vesting and settlement of restricted stock units, net of shares withheld for taxes (in shares)		3,150,000
Issuance of common stock upon vesting and settlement of restricted stock units, net of shares withheld for taxes	(37,357)		(37,357)
Issuance of common stock under employee stock purchase plan, net of shares withheld and retired for taxes	$ 3,630		3,630
Issuance of common stock under employee stock purchase plan, net of shares withheld for taxes (in shares)	308,059	308,000
Stock-based compensation	$ 107,438		107,438
Other comprehensive income (loss)	(275)			(275)
Net loss	(43,509)				(43,509)
Ending balance (in shares) at Jun. 30, 2024		300,961,000
Ending balance at Jun. 30, 2024	1,115,099	$ 3	4,800,143	(1,029)	(3,684,018)
Beginning balance (in shares) at Mar. 31, 2024		298,500,000
Beginning balance at Mar. 31, 2024	1,078,131	$ 3	4,743,236	(1,274)	(3,663,834)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		89,000
Issuance of common stock upon exercise of stock options	26		26
Issuance of common stock and options in connection with acquisition (in shares)		687,000
Issuance of common stock and options in connection with acquisition	12,874		12,874
Issuance of common stock upon vesting and settlement of restricted stock units, net of shares withheld for taxes (in shares)		1,377,000
Issuance of common stock upon vesting and settlement of restricted stock units, net of shares withheld for taxes	(14,651)		(14,651)
Issuance of common stock under employee stock purchase plan, net of shares withheld and retired for taxes	$ 3,630		3,630
Issuance of common stock under employee stock purchase plan, net of shares withheld for taxes (in shares)	308,059	308,000
Stock-based compensation	$ 55,028		55,028
Other comprehensive income (loss)	245			245
Net loss	(20,184)				(20,184)
Ending balance (in shares) at Jun. 30, 2024		300,961,000
Ending balance at Jun. 30, 2024	$ 1,115,099	$ 3	$ 4,800,143	$ (1,029)	$ (3,684,018)