Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Summary of Marketable Securities

Marketable securities consist of the following as of December 31, 2022 and 2021 (in thousands):

December 31, 2022	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available-for-sale securities - short-term:
U.S. treasury securities	$	26,906	$	3	$	(12)	$	26,897
Commercial paper	3,200		2		—		3,202
Yankee debt securities	14,764		—		—		14,764
Total available-for-sale securities - short-term	44,870		5		(12)		44,863
Total available-for-sale securities	$	44,870	$	5	$	(12)	$	44,863

December 31, 2021	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available-for-sale securities - short-term:
Corporate debt securities	$	15,786	$	—	$	(6)	$	15,780
U.S. treasury securities	5,073		—		(9)		5,064
Commercial paper	36,759		—		—		36,759
Yankee debt securities	3,941		—		(9)		3,932
Supranational	3,054		—		(3)		3,051
Asset-backed securities	12,128		—		(12)		12,116
Total available-for-sale securities - short-term	76,741		—		(39)		76,702
Available-for-sale securities - long-term
Corporate debt securities	3,082		—		(2)		3,080
Asset-backed securities	4,044		—		(4)		4,040
Total available-for-sale securities - long-term	7,126		—		(6)		7,120
Total available-for-sale securities	$	83,867	$	—	$	(45)	$	83,822