CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS (Tables)

3 Months Ended

Mar. 31, 2021

CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS

Schedule of cash equivalents and short-term investments

The Company’s cash equivalents and short-term investments are invested in the following (in thousands):

March 31, 2021	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Money market funds	$	413,089	$	—	$	—	$	413,089
Total cash equivalents		413,089		—		—		413,089
U.S Treasury securities		5,000		—		—		5,000
Commercial paper		89,835		—		—		89,835
Corporate bonds		61,020		13		(21)		61,012
Total short-term investments		155,855		13		(21)		155,847
Total cash equivalents and short-term investments	$	568,944	$	13	$	(21)	$	568,936

December 31, 2020	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Commercial paper	$	75,374	$	—	$	—	$	75,374
Money market funds		407,512		—		—		407,512
Total cash equivalents		482,886		—		—		482,886
U.S. Treasury securities		19,995		2		—		19,997
Commercial paper		43,911		—		—		43,911
Corporate bonds		47,970		—		(11)		47,959
Total short-term investments		111,876		2		(11)		111,867
Total cash equivalents and short-term investments	$	594,762	$	2	$	(11)	$	594,753