CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS (Tables)

6 Months Ended

12 Months Ended

Jun. 30, 2021

Dec. 31, 2020

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):

June 30, 2021	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Money market funds	$	180,998	$	—	$	—	$	180,998
Total cash equivalents		180,998		—		—		180,998
Commercial paper		159,591		—		—		159,591
Corporate bonds		104,758		9		(12)		104,755
Government bonds		36,736		1		(9)		36,728
Asset-backed securities		25,246		1		(3)		25,244
Total short-term investments		326,331		11		(24)		326,318
Total cash equivalents and short-term investments	$	507,329	$	11	$	(24)	$	507,316

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

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