Fair Value of Financial Instruments

12 Months Ended

Dec. 31, 2022

Fair value of financial instruments:

The level of the fair value hierarchy utilized to determine the fair value of cash and cash equivalents and marketable securities consisted of the following:


	December 31, 2022								December 31, 2021
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Cash and cash equivalents
Cash and money market fund	$	57,242	$	—	$	—	$	57,242	$	175,688	$	—	$	—	$	175,688
Marketable securities
Guaranteed investment certificates		14,953		—		—		14,953		—		—		—		—
U.S. treasuries		322,851		—		—		322,851		239,057		—		—		239,057
U.S. government securities		—		32,479		—		32,479		—		—		—		—
Commercial paper		—		150,560		—		150,560		—		—		—		—
Corporate debt securities		—		142,684		—		142,684		—		137,029		—		137,029
Total	$	395,046	$	325,723	$	—	$	720,769	$	414,745	$	137,029	$	—	$	551,774

The fair values of the Company’s U.S. government securities, commercial paper and corporate debt securities are based on prices obtained from independent pricing sources. Securities with validated quotes from pricing services are reflected within Level 2, as they are primarily based on observable pricing for similar assets or other market observable inputs. Typical inputs used by these pricing services include, but are not limited to, reported trades, benchmark yields, issuer spreads, bids, offers or estimates of cash flow, prepayment spreads and default rates.

As of December 31, 2022 and December 31, 2021, the Company does not hold any securities classified as Level 3, which are securities valued using unobservable inputs.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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