Available-for-Sale Securities (Tables)

6 Months Ended

Jun. 30, 2021

Investments Debt And Equity Securities [Abstract]

Schedule of Fair Value of Available-for-Sale Securities by Type of Security

As of June 30, 2021, the fair value of available-for-sale securities by type of security was as follows:

	June 30, 2021
	Amortized Cost		Gross Unrealized Gain		Gross Unrealized Loss			Fair Value
Investments:
Corporate bond securities	$	38,366	$	—	$	(11	)	$	38,355
Commercial paper	$	9,995	$	—	$	—		$	9,995
	$	48,361	$	—	$	(11	)	$	48,350

Summary Estimated Fair Value and Amortized Cost of Available-for-Sale Securities by Contractual Maturity

The estimated fair value and amortized cost of the Company’s available-for-sale securities by contractual maturity are summarized as follows:

	June 30, 2021
	Amortized Cost		Fair Value
Due in one year or less	$	48,361	$	48,350
Total available-for-sale securities	$	48,361	$	48,350