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

9 Months Ended

Sep. 30, 2022


	September 30, 2022
(in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
Cash, cash equivalents and restricted cash	$	86,052	$	—	$	—	$	86,052
U.S. agency security	4,900		4		—		4,904
Corporate bond	98,448		—		(380)		98,068
Commercial paper	112,833		—		(200)		112,633
Treasury bill	26,721		—		(17)		26,704
Treasury bond	44,670		—		(117)		44,553
Yankee bond	3,742		—		(12)		3,730
Total cash, cash equivalents, restricted cash and short-term investments	$	377,366	$	4	$	(726)	$	376,644



	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	2,592		—		(1)		2,591
Commercial paper	206,764		—		(40)		206,724
Treasury bill	2,497		—		(2)		2,495


Total	$	446,897	$	—	$	(47)	$	446,850
Total held to maturity securities at amortized cost							19,228
Total cash, cash equivalents, restricted cash and short-term investments							$	466,078