Marketable Securities - (Tables)

9 Months Ended

Sep. 30, 2023

Marketable Securities [Abstract]

Schedule of Marketable Securities by Category

At September 30, 2023 and December 31, 2022, marketable securities are categorized as follows:

	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses		Fair Value
September 30, 2023
Government notes and bonds	$	181,618	$	—	$	1,180	$	180,438
Asset-backed securities		309		—		1		308
Certificates of deposit		58,175		15		24		58,166
Commercial paper		110,163		3		47		110,119
Corporate bonds		74,544		3		499		74,048
Total marketable securities	$	424,809	$	21	$	1,751	$	423,079
December 31, 2022
Government notes and bonds	$	181,196	$	27	$	2,355	$	178,868
Asset-backed securities		1,555		—		21		1,534
Certificates of deposit		52,190		24		118		52,095
Commercial paper		80,199		16		136		80,079
Corporate bonds		60,334		4		1,003		59,335
Total marketable securities	$	375,474	$	71	$	3,633	$	371,912

Schedule of Amortized Cost and Estimated Fair Value of Marketable Securities Classified by Maturity Date

The amortized cost and estimated fair value of marketable securities classified by the maturity date listed on the security, regardless of the Condensed Consolidated Balance Sheets classification, is as follows at September 30, 2023 and December 31, 2022:

	September 30, 2023				December 31, 2022
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due within one year	$	308,493	$	307,462	$	311,934	$	309,385
Due after one through five years		116,316		115,617		63,540		62,527
Due after five years		—		—		—		—
Total marketable securities	$	424,809	$	423,079	$	375,474	$	371,912

Summary of Estimated Fair Value and Gross Unrealized Holding Losses of Marketable Securities in Unrealized Loss Position

The following table summarizes the estimated fair value and gross unrealized holding losses of marketable securities, aggregated by investment instrument and period of time in an unrealized loss position, at September 30, 2023 and December 31, 2022:

	In Unrealized Loss Position For Less Than 12 Months				In Unrealized Loss Position For Greater Than 12 Months
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
September 30, 2023
Government notes and bonds	$	125,253	$	685	$	43,661	$	495
Asset-backed securities		—		—		309		1
Certificates of deposit		24,269		24		—		—
Commercial paper		95,424		47		—		—
Corporate bonds		47,047		224		19,482		275
Total	$	291,993	$	980	$	63,452	$	771
December 31, 2022
Government notes and bonds	$	96,301	$	1,273	$	69,159	$	1,082
Asset-backed securities		1,555		21		—		—
Certificates of deposit		22,400		118		—		—
Commercial paper		50,550		136		—		—
Corporate bonds		28,975		637		28,769		366
Total	$	199,781	$	2,185	$	97,928	$	1,448