CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income	Accumulated Deficit	Total
Beginning Balance at Dec. 31, 2021	$ 49	$ 1,873,289	$ 1	$ (358,500)	$ 1,514,839
Beginning Balance (in shares) at Dec. 31, 2021	469,369,433
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of restricted common stock		59			59
Vesting of restricted common stock (in shares)	1,992,005
Common stock issued upon exercise of stock options		40			40
Common stock issued upon exercise of stock options (in shares)	18,286
Foreign currency translation adjustments			7		7
Stock-based compensation		12,906			12,906
Net income (loss)				20,726	20,726
Ending Balance at Mar. 31, 2022	$ 49	1,886,294	8	(337,774)	1,548,577
Ending Balance (in shares) at Mar. 31, 2022	471,379,724
Beginning Balance at Dec. 31, 2022	$ 49	1,916,550	(148)	(527,589)	1,388,862
Beginning Balance (in shares) at Dec. 31, 2022	478,674,305
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of restricted common stock		49			49
Vesting of restricted common stock (in shares)	1,956,530
Common stock issued upon exercise of stock options		127			127
Common stock issued upon exercise of stock options (in shares)	199,109
Foreign currency translation adjustments			5		5
Stock-based compensation		7,592			7,592
Unrealized holding gains on short-term investments			227		227
Net income (loss)				(82,551)	(82,551)
Ending Balance at Mar. 31, 2023	$ 49	$ 1,924,318	$ 84	$ (610,140)	$ 1,314,311
Ending Balance (in shares) at Mar. 31, 2023	480,829,944