Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2022

Fair Value Disclosures [Abstract]

Summary of Fair Value of Financial Assets and Liabilities Measured or Disclosed on a Recurring Basis

The following table sets forth the fair value of our financial assets and liabilities that are measured or disclosed on a recurring basis by level within the fair value hierarchy (in thousands):

	March 31, 2022
	Total Fair Value		Level 1		Level 2		Level 3
Assets:
Money market funds	$	34,524	$	34,524	$	—	$	—
Commercial paper	33,355		—		33,355		—
U.S. government-sponsored agency bonds	10,755		—		10,755		—
Corporate bonds	2,511		—		2,511		—
Asset-backed securities	1,004		—		1,004		—
Total	$	82,149	$	34,524	$	47,625	$	—
Liabilities:
Derivative liability for exit fees	$	1,088	$	—	$	—	$	1,088
Total	$	1,088	$	—	$	—	$	1,088

	December 31, 2021
	Total Fair Value		Level 1		Level 2		Level 3
Assets:
Money market funds	$	71,175	$	71,175	$	—	$	—
Commercial paper	31,935		—		31,935		—
Corporate bonds	7,022		—		7,022		—
Asset-backed securities	5,304		—		5,304		—
Total	$	115,436	$	71,175	$	44,261	$	—
Liabilities:
Derivative liability for exit fee	$	698	$	—	$	—	$	698
Total	$	698	$	—	$	—	$	698