Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2023

Marketable Securities [Abstract]

Summary of Available-for-Sale Debt Securities

The following tables summarize the available-for-sale debt securities held at June 30, 2023 and December 31, 2022 (in thousands):

Description	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
June 30, 2023
US treasury securities	$	43,330	$	—	$	(520	)	$	42,810
US government agencies		206,060		3		(1,852	)		204,211
Corporate securities		174,196		1		(1,271	)		172,926
Total	$	423,586	$	4	$	(3,643	)	$	419,947

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