Investments (Tables)

6 Months Ended

Jun. 30, 2022

Investments, Debt and Equity Securities [Abstract]

Summary of Investments, Classified as Available-for-Sale

The following tables summarize our investments in debt securities, classified as available-for-sale (in thousands):

	As of June 30, 2022
	Amortized Cost		Total Unrealized Gains		Total Unrealized Loss			Aggregate Fair Value
Short-term:
Corporate debt securities	$	21,117	$	—	$	(79	)	$	21,038
Commercial paper		38,704		—		(83	)		38,621
U.S. government and agency securities		28,963		—		(24	)		28,939
Total	$	88,784	$	—	$	(186	)	$	88,598

	As of December 31, 2021
	Amortized Cost		Total Unrealized Gains		Total Unrealized Loss			Aggregate Fair Value
Short-term:
Corporate debt securities	$	24,272	$	3	$	(6	)	$	24,269
Commercial paper		12,998		—		(3	)		12,995
U.S. government and agency securities		891		1		—			892
Total	$	38,161	$	4	$	(9	)	$	38,156

Debt Securities Available-For-Sale

The following tables summarize our available-for-sale securities in an unrealized loss position for which an allowance for credit losses has not been recorded, aggregated by major security type and length of time in a continuous unrealized loss position (in thousands):

	As of June 30, 2022
	Less than 12 Months					12 Months or Longer				Total
	Aggregate Related Fair Value		Unrealized Losses			Aggregate Related Fair Value		Unrealized Losses		Aggregate Related Fair Value		Unrealized Losses
Corporate debt securities	$	19,043	$	(79	)	$	—	$	—	$	19,043	$	(79	)
Commercial paper		38,621		(83	)		—		—		38,621		(83	)
U.S. government and agency securities		28,939		(24	)		—		—		28,939		(24	)
Total	$	86,603	$	(186	)	$	—	$	—	$	86,603	$	(186	)

	As of December 31, 2021
	Less than 12 Months					12 Months or Longer				Total
	Aggregate Related Fair Value		Unrealized Losses			Aggregate Related Fair Value		Unrealized Losses		Aggregate Related Fair Value		Unrealized Losses
Corporate debt securities	$	16,655	$	(6	)	$	—	$	—	$	16,655	$	(6	)
Commercial paper		9,995		(3	)		—		—		9,995		(3	)
Total	$	26,650	$	(9	)	$	—	$	—	$	26,650	$	(9	)