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Fair Value Measurements and Fair Value of Financial Instruments
3 Months Ended
Mar. 31, 2022
Fair Value Disclosures [Abstract]  
Fair Value Measurements and Fair Value of Financial Instruments FAIR VALUE MEASUREMENTS AND FAIR VALUE OF FINANCIAL INSTRUMENTS
The following tables set forth the fair value of the Company’s financial assets that were measured at fair value on a recurring basis by level within the fair value hierarchy (in thousands).
March 31, 2022
Level 1Level 2Level 3Total
Assets:Classification:
Money market funds
Cash and cash equivalents$225,334 $— $— $225,334 
U.S. Treasury securitiesInvestments— 246,442 — 246,442 
Total assets measured at fair value
$225,334 $246,442 $— $471,776 
December 31, 2021
Level 1Level 2Level 3Total
Assets:Classification:
Money market funds
Cash and cash equivalents$232,813 $— $— $232,813 
U.S. Treasury securitiesInvestments— 260,447 — 260,447 
Total assets measured at fair value
$232,813 $260,447 $— $493,260 
There were no financial liabilities measured at fair value. The Company classifies money market funds within Level 1 of the fair value hierarchy because they are valued using quoted market prices. The Company classifies its investments in U.S. Treasury securities (Treasury bills, Treasury notes, and Treasury bonds) as Level 2 instruments and obtains fair value from an independent pricing service, which may use quoted market prices for identical or comparable instruments or model-driven valuations using observable market data or inputs corroborated by observable market data.
The carrying amount of the Company’s accounts receivable, other receivables, prepaid expenses and other current assets, accounts payable, and accrued expenses approximate fair value due to their short maturities.
The following is a summary of the Company’s cash equivalents and investments and the gross unrealized holding gains and losses (in thousands):
March 31, 2022
Amortized Cost BasisUnrealized GainsUnrealized LossesFair Value
Assets:
Money market funds
$225,334 $— $— $225,334 
U.S. Treasury securities248,669 — (2,227)246,442 
Total$474,003 $— $(2,227)$471,776 
December 31, 2021
Amortized Cost BasisUnrealized GainsUnrealized LossesFair Value
Assets:
Money market funds
$232,813 $— $— $232,813 
U.S. Treasury securities260,983 — (536)260,447 
Total$493,796 $— $(536)$493,260 
As of March 31, 2022 and December 31, 2021, unrealized losses on available-for-sale investments are not attributable to credit risk and are considered to be temporary. No investments have been in a continuous unrealized loss position for 12 months or longer. The Company believes it is more likely than not that investments in an
unrealized loss position will be held until maturity or the recovery of the cost basis of the investment. To date, the Company has not recorded any impairment charges on marketable securities related to other-than-temporary declines in market value. As of March 31, 2022, $26.6 million of available-for-sale investments had remaining maturities between one and two years. The remainder of the available-for-sale investments have a remaining maturity of one year or less. As of March 31, 2022 and December 31, 2021, the Company recorded $0.5 million and $0.3 million of accrued interest, respectively, related to its available-for-sale investments as a component of other receivables on the condensed consolidated balance sheets.