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Fair Value of Financial Instruments (Tables)
 6 Months Ended
Jun. 30, 2024
Fair Value Disclosures [Abstract]  
Schedule of Fair Values of Financial Instruments Measured on a Recurring Basis
The fair values of the financial instruments we measure at fair value on a recurring basis are as follows (in thousands):
June 30, 2024
Level 1Level 2Level 3Total
Cash equivalents:
Money market funds$1,141,896 $— $— $1,141,896 
Commercial paper— 130,088 — 130,088 
U.S. treasury securities7,519 — — 7,519 
Marketable securities:
Corporate bonds— 545,856 — 545,856 
U.S. treasury securities350,520 — — 350,520 
Commercial paper— 272,668 — 272,668 
Certificates of deposit— 167,027 — 167,027 
U.S. agency bonds— 13,381 — 13,381 
Non-U.S. government and supranational bonds— 9,050 — 9,050 
Prepaid expenses and other current assets:
Certificates of deposit— 1,068 — 1,068 
Restricted cash:
Certificates of deposit— 4,054 — 4,054 
December 31, 2023
Level 1Level 2Level 3Total
Cash equivalents:
Money market funds$1,032,675 $— $— $1,032,675 
Commercial paper— 106,268 — 106,268 
Certificates of deposit— 1,551 — 1,551 
Corporate bonds— 859 — 859 
Marketable securities:
Corporate bonds— 427,957 — 427,957 
U.S. treasury securities336,356 — — 336,356 
Commercial paper— 201,145 — 201,145 
Certificates of deposit— 132,457 — 132,457 
U.S. agency bonds— 42,250 — 42,250 
Non-U.S. government and supranational bonds— 8,983 — 8,983 
Prepaid expenses and other current assets:
Certificates of deposit— 2,542 — 2,542 
Restricted cash:
Certificates of deposit— 4,054 — 4,054 
Schedule of Fair Value of Marketable Securities by Contractual Maturity
The fair value of our marketable securities by contractual maturity is as follows (in thousands):
June 30, 2024
Due in one year or less $1,027,926 
Due after one to five years 330,576 
Total $1,358,502