Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2021

Investments, Debt and Equity Securities [Abstract]

Available-for-sale

Available-for-sale marketable securities as of December 31, 2021 and 2020 were as follows (in thousands):

	December 31, 2021
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. Treasury securities	$	81,184	$	—	$	(52)	$	81,132
Government-sponsored enterprises	7,739		—		(5)		7,734
Corporate debt securities	31,285		—		(4)		31,281
Total	$	120,208	$	—	$	(61)	$	120,147

	December 31, 2020
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. Treasury securities	$	60,630	$	1	$	(7)	$	60,624
Corporate debt securities	30,777		2		(3)		30,776
Total	$	91,407	$	3	$	(10)	$	91,400