CASH EQUIVALENTS AND SHORT TERM INVESTMENTS (Tables)

12 Months Ended

Dec. 31, 2020

CASH EQUIVALENTS AND SHORT TERM INVESTMENTS

Schedule of cash equivalents and shortterm investments

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

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

December 31, 2019	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Repurchase agreements	$	25,001	$	—	$	—	$	25,001
Money market funds		40,454		—		—		40,454
Total cash equivalents		65,455		—		—		65,455
Asset‑backed securities		16,786		20		—		16,806
Commercial paper		19,938		—		—		19,938
Corporate bonds		47,955		55		—		48,010
Total short-term investments		84,679		75		—		84,754
Total cash equivalents and short-term investments	$	150,134	$	75	$	—	$	150,209