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CASH EQUIVALENTS AND MARKETABLE SECURITIES (Tables)
 12 Months Ended
Dec. 31, 2022
Cash and Cash Equivalents [Abstract]  
Debt Securities, Available-for-sale
The cash equivalents and marketable securities consist of the following:
As of December 31, 2022
Amortized CostGross Unrealized GainsGross Unrealized LossesFair ValueCash EquivalentsMarketable Securities
(In thousands)
Money market funds$165,407 $— $— $165,407 $165,407 $— 
Certificates of deposit31,874 13 (130)31,757 — 31,757 
Commercial paper148,832 10 (171)148,671 50,764 97,907 
Corporate notes and bonds168,887 2 (3,313)165,576 — 165,576 
U.S. Treasuries301,349 8 (132)301,225 4,094 297,131 
U.S. Government agency securities554,035 — (6,807)547,228 — 547,228 
Total$1,370,384 $33 $(10,553)$1,359,864 $220,265 $1,139,599 
As of December 31, 2021
Amortized CostGross Unrealized GainsGross Unrealized LossesFair ValueCash EquivalentsMarketable Securities
(In thousands)
Money market funds$35,789 $— $— $35,789 $35,789 $— 
Certificates of deposit16,001 — (2)15,999 6,000 9,999 
Commercial paper215,964 — (114)215,850 26,997 188,853 
Corporate notes and bonds199,244 — (872)198,372 760 197,612 
U.S. Treasuries14,999 — (1)14,998 — 14,998 
U.S. Government agency securities487,743 — (1,870)485,873 — 485,873 
Total$969,740 $— $(2,859)$966,881 $69,546 $897,335 
Investments Classified by Contractual Maturity Date
The following table summarizes the contractual maturities of the Company’s cash equivalents and marketable securities as of December 31, 2022:
Amortized CostFair Value
(In thousands)
Due within one year$1,270,539 $1,262,727 
Due within one to three years99,845 97,137 
Total$1,370,384 $1,359,864