Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2022

Fair Value Disclosures [Abstract]

Schedule of Assets Measured at Fair Value on Recurring Basis

Following are the major categories of assets measured at fair value on a recurring basis (in thousands):

	Fair Value Measurements
	Fair Value		Level 1		Level 2		Level 3		Total
June 30, 2022
Money market funds (1)	$	49,080	$	49,080	$	—	$	—	$	49,080
U.S. treasury securities		185,877		185,877		—		—		185,877
Certificates of deposit		2,879		2,879		—		—		2,879
Total	$	237,836	$	237,836	$	—	$	—	$	237,836
December 31, 2021
Money market funds (1)	$	226,006	$	226,006	$	—	$	—	$	226,006
U.S. treasury securities		52,432		52,432		—		—		52,432
Certificates of deposit		1,927		1,927		—		—		1,927
Total	$	280,365	$	280,365	$	—	$	—	$	280,365