CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Additional Paid-In Capital	Accumulated Deficit	Class A Common Stock	Class B Common Stock	Total
Balance at beginning of the period at Dec. 31, 2022	$ 17	$ 3	$ 921,278	$ (595,938)			$ 325,360
Balance at beginning of the period (in shares) at Dec. 31, 2022	174,459,956	26,426,937
Increase (Decrease) in Stockholders' Equity
Net loss				(89,579)			(89,579)
Common stock issued upon exercise of stock options			228				228
Common stock issued upon exercise of stock options (in shares)	180,467
Common stock issued upon vesting of restricted stock units	$ 1						1
Common stock issued upon vesting of restricted stock units (in shares)	5,992,732
Stock-based compensation expense			21,409				21,409
Balance at end of the period at Sep. 30, 2023	$ 18	$ 3	942,915	(685,517)			257,419
Balance at end of the period (in shares) at Sep. 30, 2023	180,633,155	26,426,937
Balance at beginning of the period at Jun. 30, 2023	$ 18	$ 3	935,833	(658,149)			277,705
Balance at beginning of the period (in shares) at Jun. 30, 2023	179,720,918	26,426,937
Increase (Decrease) in Stockholders' Equity
Net loss				(27,368)			(27,368)
Common stock issued upon exercise of stock options			92				92
Common stock issued upon exercise of stock options (in shares)	55,807
Common stock issued upon vesting of restricted stock units (in shares)	856,430
Stock-based compensation expense			6,990				6,990
Balance at end of the period at Sep. 30, 2023	$ 18	$ 3	942,915	(685,517)			257,419
Balance at end of the period (in shares) at Sep. 30, 2023	180,633,155	26,426,937
Balance at beginning of the period at Dec. 31, 2023	$ 18	$ 3	949,670	(729,638)			220,053
Balance at beginning of the period (in shares) at Dec. 31, 2023	181,221,794	26,426,937			181,221,794	26,426,937
Increase (Decrease) in Stockholders' Equity
Net loss				(54,391)			(54,391)
Common stock issued upon vesting of restricted stock units	$ 1						1
Common stock issued upon vesting of restricted stock units (in shares)	5,335,727
Stock-based compensation expense			16,169				16,169
Balance at end of the period at Sep. 30, 2024	$ 19	$ 3	965,839	(784,029)			181,832
Balance at end of the period (in shares) at Sep. 30, 2024	186,557,521	26,426,937			186,557,521	26,426,937
Balance at beginning of the period at Jun. 30, 2024	$ 19	$ 3	961,363	(767,105)			194,280
Balance at beginning of the period (in shares) at Jun. 30, 2024	186,037,697	26,426,937
Increase (Decrease) in Stockholders' Equity
Net loss				(16,924)			(16,924)
Common stock issued upon vesting of restricted stock units (in shares)	519,824
Stock-based compensation expense			4,476				4,476
Balance at end of the period at Sep. 30, 2024	$ 19	$ 3	$ 965,839	$ (784,029)			$ 181,832
Balance at end of the period (in shares) at Sep. 30, 2024	186,557,521	26,426,937			186,557,521	26,426,937