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Investments (Tables)
3 Months Ended
Mar. 31, 2023
Investments, Debt and Equity Securities [Abstract]  
Summary of Available-for-Sale Marketable Securities
The following table summarizes our investments measured at fair value on a recurring basis by balance sheet classification and investment type:
March 31, 2023December 31, 2022
Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair
Value - Level 1
Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair
Value - Level 1
Cash equivalents—money market funds$220,693 $— $— $220,693 $304,750 $— $— $304,750 
Marketable securities—U.S. Treasury securities$511,969 $122 $(407)$511,684 $460,372 $26 $(744)$459,654 
Total$732,662 $122 $(407)$732,377 $765,122 $26 $(744)$764,404 
Schedule of the Cost Basis and Fair Value of Available-for-sale Securities by Contractual Maturity Date
The following table presents the cost basis and fair value of our available-for-sale ("AFS") marketable securities by contractual maturity date:
March 31, 2023 December 31, 2022
Amortized
Cost
Fair
Value
Amortized
Cost
Fair
Value
Due in one year or less$511,969 $511,684 $460,372 $459,654 
Schedule of Investments in an Unrealized Loss Position
Investments in an unrealized loss position consisted of the following:
March 31, 2023December 31, 2022
Fair
Value
Gross
Unrealized
Losses
Fair
Value
Gross
Unrealized
Losses
U.S. Treasury securities$364,043 $(407)$356,767 $(744)