Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2023

Investments, Debt and Equity Securities [Abstract]

Summary of Marketable Securities

Marketable securities consisted of the following as of March 31, 2023 and December 31, 2022 (in thousands):

	March 31, 2023 (unaudited)
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available-for-sale securities - short-term:
U.S. treasury securities	$	21,809	$	5	$	—	$	21,814
Commercial paper	21,806		—		—		21,806
Yankee debt securities	3,220		—		(1)		3,219
Total available-for-sale securities - short-term	46,835		5		(1)		46,839
Total available-for-sale securities	$	46,835	$	5	$	(1)	$	46,839

	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