Cash Equivalents and Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2021

Cash Equivalents and Marketable Securities

Schedule of cash equivalents and marketable securities

Cash equivalents and marketable securities consisted of the following (in thousands):

	December 31, 2021
	Amortized		Gross Unrealized
	Cost		Gains		Losses		Fair Value
Money market funds	$	39,854	$	—	$	—	$	39,854
Commercial paper		157,157		—		(16)		157,141
Corporate debt securities		75,598		—		(50)		75,548
U.S. Treasury and agency securities		40,093		—		(76)		40,017
Supranational and sovereign government securities		6,011		—		(1)		6,010
Total cash equivalents and marketable securities	$	318,713	$	—	$	(143)	$	318,570
Classified as:
Cash equivalents							$	115,335
Marketable securities - current								203,235
Marketable securities - noncurrent								—
Total cash equivalents and marketable securities							$	318,570

	December 31, 2020
	Amortized		Gross Unrealized
	Cost		Gains		Losses		Fair Value
Money market funds	$	27,481	$	—	$	—	$	27,481
Commercial paper		65,866		—		(3)		65,863
Corporate debt securities		27,592		2		(4)		27,590
U.S. Treasury and agency securities		183,203		10		(3)		183,210
Total cash equivalents and marketable securities	$	304,142	$	12	$	(10)	$	304,144
Classified as:
Cash equivalents							$	113,693
Marketable securities - current								188,451
Marketable securities - noncurrent								2,000
Total cash equivalents and marketable securities							$	304,144