Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2022

Fair Value Disclosures [Abstract]

Assets and Liabilities Carried at Fair Value Measured on Recurring Basis

The following tables summarize the Company’s assets by significant categories carried at fair value measured on a recurring basis at June 30, 2022 and December 31, 2021 by valuation hierarchy (in thousands):

	June 30, 2022
	Carrying Value		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Cash Equivalents		Marketable Securities
Level 1:
Money market funds	$	62,178	$	—	$	—		$	62,178	$	62,178	$	—
Subtotal	$	62,178	$	—	$	—		$	62,178	$	62,178	$	—
Level 2:
Commercial paper	$	30,926	$	—	$	—		$	30,926	$	4,999	$	25,927
U.S. treasury securities		63,345		—		(239	)		63,106		—		63,106
Subtotal	$	94,271	$	—	$	(239	)	$	94,032	$	4,999	$	89,033
Total	$	156,449	$	—	$	(239	)	$	156,210	$	67,177	$	89,033

	December 31, 2021
	Carrying Value		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value		Cash Equivalents		Marketable Securities
Level 1:
Money market funds	$	155,551	$	—	$	—	$	155,551	$	155,551	$	—
Subtotal	$	155,551	$	—	$	—	$	155,551	$	155,551	$	—
Level 2:
Commercial paper	$	49,514	$	—	$	—	$	49,514	$	16,549	$	32,965
Subtotal	$	49,514	$	—	$	—	$	49,514	$	16,549	$	32,965
Total	$	205,065	$	—	$	—	$	205,065	$	172,100	$	32,965