CASH, CASH EQUIVALENTS AND INVESTMENTS (Tables)

3 Months Ended

Mar. 31, 2022

Cash and Cash Equivalents [Abstract]

Schedule of Cash, Cash Equivalents

The following table provides details regarding the Company’s portfolio of cash and cash equivalents (in thousands):

	Amortized		Unrealized				Aggregate Fair
Cash and Cash Equivalents Classification	Cost		Gains		(Losses)		Market Value
March 31, 2022
Cash accounts in banking institutions	$	277,104	$	—	$	—	$	277,104
Money market accounts		17,335		—		—		17,335
U.S. Government bonds		62,985		—		—		62,985
	$	357,424	$	—	$	—	$	357,424
December 31, 2021
Cash accounts in banking institutions	$	256,878	$	—	$	—	$	256,878
Money market accounts		55,115		—		—		55,115
	$	311,993	$	—	$	—	$	311,993

Schedule of Investments

The following table provides details regarding the Company’s portfolio of short-term investments (in thousands):

	Amortized		Unrealized					Aggregate Fair
Short-term Investments Classification	Cost		Gains		(Losses)			Market Value
March 31, 2022
Corporate bonds	$	201,492	$	—	$	(469	)	$	201,023
U.S. Government bonds		124,713		—		(681	)		124,032
	$	326,205	$	—	$	(1,150	)	$	325,055
December 31, 2021
Certificates of deposit	$	240	$	—	$	—		$	240
Corporate bonds		226,448		3		(97	)		226,354
U.S. Government bonds		124,611		—		(11	)		124,600
	$	351,299	$	3	$	(108	)	$	351,194

Long-term U.S. Government Bonds Investments

The following table provides details regarding the Company’s portfolio of long-term investments (in thousands):

	Amortized		Unrealized					Aggregate Fair
Long-term Investments Classification	Cost		Gains		(Losses)			Market Value
March 31, 2022
U.S. Government bonds	$	159,732	$	—	$	(4,110	)	$	155,622
	$	159,732	$	—	$	(4,110	)	$	155,622
December 31, 2021
U.S. Government bonds	$	159,692	$	10	$	(134	)	$	159,568
	$	159,692	$	10	$	(134	)	$	159,568