Short-Term Investments (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2023

Dec. 31, 2022

Investments Disclosure [Abstract]

Summary of Short Term Investments

The following table summarizes the Company’s short-term investments as of September 30, 2023 and December 31, 2022:

As of September 30, 2023	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
	(in thousands)
Commercial paper	$	3,965	$	—	$	(2	)	$	3,963
US Treasury securities		55,268		6		(7	)		55,267
Corporate debt securities		14,990		—		(33	)		14,957
Total	$	74,223	$	6	$	(42	)	$	74,187

As of December 31, 2022	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
	(in thousands)
Commercial paper	$	57,138	$	—	$	—		$	57,138
US Treasury securities		65,160		—		(335	)		64,825
Corporate debt securities		19,146		—		(69	)		19,077
Total	$	141,444	$	—	$	(404	)	$	141,040

The following table summarizes the Company’s short-term investments as of December 31, 2022 and December 31, 2021:

As of December 31, 2022	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
	(in thousands)
Commercial paper	$	57,138	$	—	$	—		$	57,138
US Treasury securities		65,160		—		(335	)		64,825
Corporate debt securities		19,146		—		(69	)		19,077
Total	$	141,444	$	—	$	(404	)	$	141,040

As of December 31, 2021	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
	(in thousands)
Commercial paper	$	27,992	$	—	$	—		$	27,992
Corporate debt securities		19,506		—		(7	)		19,499
Total	$	47,498	$	—	$	(7	)	$	47,491