Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Summary of Available-for-Sale Securities Held

The following table summarizes the available-for-sale securities held at March 31, 2022 (in thousands):

Description	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Commercial paper	$	46,621	$	—	$	(30	)	$	46,591
U.S. government agency securities and U.S. Treasuries		75,877		—		(159	)		75,718
Total	$	122,498	$	—	$	(189	)	$	122,309

The following table summarizes the available-for-sale securities held at December 31, 2021 (in thousands):

Description	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Commercial paper	$	68,427	$	7	$	(3	)	$	68,431
U.S. government agency securities and U.S. Treasuries		10,025		—		(1	)		10,024
Total	$	78,452	$	7	$	(4	)	$	78,455