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CASH EQUIVALENTS AND MARKETABLE SECURITIES (Tables)
 3 Months Ended
Mar. 31, 2023
Cash and Cash Equivalents [Abstract]  
Debt Securities, Available-for-sale
The cash equivalents and marketable securities consist of the following:
As of March 31, 2023
Amortized CostGross Unrealized GainsGross Unrealized LossesFair ValueCash EquivalentsMarketable Securities
(In thousands)
Money market funds$120,657 $— $— $120,657 $120,657 $— 
Certificates of deposit50,684 26 (71)50,639 — 50,639 
Commercial paper127,549 99 (179)127,469 1,522 125,947 
Corporate notes and bonds295,271 16 (2,893)292,394 2,000 290,394 
U.S. Treasuries348,693 97 (133)348,657 16,395 332,262 
U.S. Government agency securities696,448 199 (3,537)693,110 — 693,110 
Total$1,639,302 $437 $(6,813)$1,632,926 $140,574 $1,492,352 
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 
Investments Classified by Contractual Maturity Date
The following table summarizes the contractual maturities of the Company’s cash equivalents and marketable securities as of March 31, 2023:
Amortized CostFair Value
(In thousands)
Due within one year$1,354,415 $1,349,591 
Due within one to three years284,887 283,335 
Total$1,639,302 $1,632,926