Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2022

Fair Value Measurements

Schedule of fair value hierarchy for its assets and liabilities that are measured at fair value on a recurring basis

	Fair Value Measurements at
	September 30, 2022 Using:
(in thousands)	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents:
Money market funds	$	75,413	$	—	$	—	$	75,413
Restricted cash:
Money market funds		2,449		—		—		2,449
Marketable securities:
U.S. Treasury notes		—		93,915		—		93,915
	$	77,862	$	93,915	$	—	$	171,777

	Fair Value Measurements at
	December 31, 2021 Using:
(in thousands)	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents:
Money market funds	$	121,018	$	—	$	—	$	121,018
Restricted cash:
Money market funds		2,448		—		—		2,448
Marketable securities:
U.S. Treasury notes		—		110,545		—		110,545
	$	123,466	$	110,545	$	—	$	234,011