Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2022

Share-Based Payment Arrangement [Abstract]

Summary of Stock-based Compensation Expense by Award Type

Stock-based compensation expense by award type included within the unaudited condensed consolidated statements of operations and comprehensive income (loss) was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Stock options	$	11,774	$	10,007	$	23,365	$	17,280
Restricted stock units		89		—		159		—
Performance-based stock units		—		—		—		—
Employee stock purchase plan		45		—		45		—
Total stock-based compensation expense	$	11,908	$	10,007	$	23,569	$	17,280

Schedule of Stock-based Compensation Expense

Stock-based compensation expense is classified as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Research and development expense	$	5,591	$	4,573	$	11,020	$	7,771
General and administrative		6,317		5,434		12,549		9,509
Total stock-based compensation expense	$	11,908	$	10,007	$	23,569	$	17,280