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MARKETABLE SECURITIES

12 Months Ended

Dec. 31, 2021

Investments, Debt and Equity Securities [Abstract]

3. MARKETABLE SECURITIES


	December 31, 2021								December 31, 2020
(in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value		Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Government debt	$	2,000	$	—	$	(10)	$	1,990	$	39,996	$	—	$	(8)	$	39,988
Corporate debt	201,659		2		(837)		200,824		253,345		88		(152)		253,281
	$	203,659	$	2	$	(847)	$	202,814	$	293,341	$	88	$	(160)	$	293,269

As of December 31, 2021, marketable securities’ maturities ranged from January 2022 to September 2024, with a weighted-average remaining maturity of 1.2 years.