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Cash Equivalents and Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2022

Cash equivalents and marketable securities consisted of the following at March 31, 2022 (in thousands):


			Allowance		Gross		Gross
	Amortized		for Credit		Unrealized		Unrealized		Fair
March 31, 2022	Cost		Losses		Gains		Losses		Value
Cash equivalents and marketable securities:
Money market funds	$	210,881	$	—	$	—	$	—	$	210,881
U.S. Treasuries		91,947		—		12		(287)		91,672
Government agency securities		134,433		—		—		(1,529)		132,904
Commercial paper		63,179		—		—		(37)		63,142
Corporate notes/bonds		68,477		—		—		(668)		67,809
Total	$	568,917	$	—	$	12	$	(2,521)	$	566,408

Cash equivalents and marketable securities consisted of the following at December 31, 2021 (in thousands):


			Allowance		Gross		Gross
	Amortized		for Credit		Unrealized		Unrealized		Fair
December 31, 2021	Cost		Losses		Gains		Losses		Value
Cash equivalents and marketable securities:
Money market funds	$	203,519	$	—	$	—	$	—	$	203,519
U.S. Treasuries		124,016		—		1		(84)		123,933
Government agency securities		126,927		—		—		(228)		126,699
Commercial paper		89,699		—		1		(13)		89,687
Corporate notes/bonds		76,248		—		—		(170)		76,078
Total	$	620,409	$	—	$	2	$	(495)	$	619,916