Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2022

Fair Value Disclosures [Abstract]

Schedule of assets measured at fair value on recurring basis

The following tables summarize assets that are measured at fair value on a recurring basis:

	March 31, 2022
(in thousands)	Level 1		Level 2		Level 3		Total
Cash equivalents
Money market funds	$	156,230	$	—	$	—	$	156,230
Total cash equivalents	$	156,230	$	—	$	—	$	156,230
Short-term investments
Commercial paper	$	—	$	111,224	$	—	$	111,224
Corporate bonds	—		37,087		—		37,087
Asset backed securities	—		26,168		—		26,168
Certificates of deposit	—		19,963		—		19,963
Supranational bonds	—		8,492		—		8,492
U.S. Treasury and agency obligations	—		35,711		—		35,711
Total short-term investments	$	—	$	238,645	$	—	$	238,645

	December 31, 2021
(in thousands)	Level 1		Level 2		Level 3		Total
Cash equivalents
Money market funds	$	178,518	$	—	$	—	$	178,518
Total cash equivalents	$	178,518	$	—	$	—	$	178,518
Short-term investments
Commercial paper	$	—	$	134,118	$	—	$	134,118
Corporate bonds	—		27,128		—		27,128
Asset backed securities	—		27,411		—		27,411
Certificates of deposit	—		9,992		—		9,992
Supranational bonds	—		8,599		—		8,599
U.S. Treasury and agency obligations	—		27,044		—		27,044
Total short-term investments	$	—	$	234,292	$	—	$	234,292