Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2022

Marketable Securities [Abstract]

Summary of Available-for-Sale Debt Securities

The following table summarizes the available-for-sale debt securities held at December 31, 2022 and 2021 and (in thousands):

Description	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
December 31, 2022
U.S. treasury securities	$	94,958	$	3	$	(1,111	)	$	93,850
US government agency securities		180,967		25		(1,873	)		179,119
Corporate securities		220,119		25		(2,014	)		218,130
Total	$	496,044	$	53	$	(4,998	)	$	491,099

Description	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
December 31, 2021
U.S. treasury securities	$	186,700	$	—	$	(45	)	$	186,655
US government agency securities		79,657		—		(125	)	$	79,532
Corporate securities		253,929		1		(488	)		253,442
Total	$	520,286	$	1	$	(658	)	$	519,629