Short-Term Investments (Tables)

6 Months Ended

Jun. 30, 2021

Short Term Investments [Abstract]

Summary of Short-Term Investments

The following tables summarize short-term investments (in thousands):

	As of June 30, 2021
			Unrealized
	Amortized Cost		Gains		Losses			Estimated Fair Value
Commercial paper	$	33,877	$	5	$	—		$	33,882
Corporate debt securities		6,683		—		(1	)		6,682
U.S. government and agency securities		17,099		3		—			17,102
Total short-term investments	$	57,659	$	8	$	(1	)	$	57,666

	As of December 31, 2020
			Unrealized
	Amortized Cost		Gains		Losses			Estimated Fair Value
Commercial paper	$	27,136	$	—	$	—		$	27,136
Corporate debt securities		26,510		—		(4	)		26,506
U.S. government and agency securities		18,136		5		—			18,141
Total short-term investments	$	71,782	$	5	$	(4	)	$	71,783

Summary of Maturities of Short-Term Investments

The following table summarizes the maturities of the Company’s short-term investments at June 30, 2021:

	Amortized Cost		Estimated Fair Value
Due in one year or less	$	55,363	$	55,369
Due after one year through two years		2,296		2,297
Total short-term investments	$	57,659	$	57,666