Cash, Cash Equivalents and Restricted Cash and Short-Term Investments (Tables)

12 Months Ended

Dec. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Investments

	December 31, 2022
(in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
Cash, cash equivalents and restricted cash	$	94,172	$	—	$	—	$	94,172
U.S. agency security	4,951		—		(3)		4,948
Corporate bond	104,174		—		(94)		104,080
Commercial paper	125,255		—		(68)		125,187
Treasury bill	12,290		—		(8)		12,282
Treasury bond	42,301		—		(81)		42,220
Yankee bond	6,503		—		(2)		6,501
Total cash, cash equivalents, restricted cash and short-term investments	$	389,646	$	—	$	(256)	$	389,390

	December 31, 2021
(in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
Cash, cash equivalents and restricted cash	$	231,900	$	—	$	—	$	231,900
Certificates of deposit	3,144		—		(4)		3,140
Corporate bond	2,593		—		(1)		2,592
Commercial paper	206,764		—		(40)		206,724
Treasury bill	2,496		—		(2)		2,494
Total	$	446,897	$	—	$	(47)	$	446,850
Held-to-maturity securities corporate bond	19,228						19,228
Total cash, cash equivalents, restricted cash and short-term investments							$	466,078