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CASH EQUIVALENTS AND MARKETABLE SECURITIES
 3 Months Ended
Mar. 31, 2024
Cash and Cash Equivalents [Abstract]  
CASH EQUIVALENTS AND MARKETABLE SECURITIES CASH EQUIVALENTS AND MARKETABLE SECURITIES
The cash equivalents and marketable securities consist of the following:
As of March 31, 2024
Amortized CostGross Unrealized GainsGross Unrealized LossesFair ValueCash EquivalentsMarketable Securities
(In thousands)
Money market funds$113,904 $— $— $113,904 $113,904 $— 
Certificates of deposit45,432 46 — 45,478 — 45,478 
Commercial paper73,606 16 (49)73,573 — 73,573 
Corporate notes and bonds424,500 372 (701)424,171 — 424,171 
U.S. Treasuries170,120 16 (185)169,951 — 169,951 
U.S. Government agency securities665,055 95 (2,382)662,768 — 662,768 
Total$1,492,617 $545 $(3,317)$1,489,845 $113,904 $1,375,941 
As of December 31, 2023
Amortized CostGross Unrealized GainsGross Unrealized LossesFair ValueCash EquivalentsMarketable Securities
(In thousands)
Money market funds$132,037 $— $— $132,037 $132,037 $— 
Certificates of deposit55,863 58 (9)55,912 750 55,162 
Commercial paper71,427 29 (19)71,437 1,694 69,743 
Corporate notes and bonds406,093 934 (931)406,096 462 405,634 
U.S. Treasuries327,773 152 (34)327,891 — 327,891 
U.S. Government agency securities548,391 690 (1,225)547,856 — 547,856 
Total$1,541,584 $1,863 $(2,218)$1,541,229 $134,943 $1,406,286 
The following table summarizes the contractual maturities of the Company’s cash equivalents and marketable securities as of March 31, 2024:
Amortized CostFair Value
(In thousands)
Due within one year$1,081,773 $1,080,140 
Due within one to three years410,844 409,705 
Total$1,492,617 $1,489,845 
All available-for-sale securities have been classified as current, based on management's intent and ability to use the funds in current operations.