Fair Value Measurement (Tables)

12 Months Ended

Dec. 31, 2022

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following table summarizes the financial assets (cash, cash equivalents, restricted cash and short-term investments) measured at fair value on a recurring basis:

	December 31, 2022
(in thousands)	Level 1		Level 2		Level 3		Total
Financial assets:
Cash, cash equivalents and restricted cash	$	94,172	$	—	$	—	$	94,172
U.S. agency security	—		4,948		—		4,948
Corporate bond	—		104,080		—		104,080
Commercial paper	—		125,187		—		125,187
Treasury bill	—		12,282		—		12,282
Treasury bond	—		42,220		—		42,220
Yankee bond	—		6,501		—		6,501
Total financial assets	$	94,172	$	295,218	$	—	$	389,390

	December 31, 2021
(in thousands)	Level 1		Level 2		Level 3		Total
Financial assets:
Cash, cash equivalents and restricted cash	$	231,900	$	—	$	—	$	231,900
Certificates of deposit	—		3,140		—		3,140
Corporate bond	—		21,820		—		21,820
Commercial paper	—		206,724		—		206,724
Treasury bill	—		2,494		—		2,494
Total financial assets	$	231,900	$	234,178	$	—	$	466,078