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Cash, Cash Equivalents, Restricted Cash, and Short-term Investments (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Cash and Cash Equivalents [Line Items] |  |
Amortized Cost | $ 12,295,551 | $ 9,067,872
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Estimated Fair Value | 12,295,551 | 9,067,872
Cash and Cash Equivalents |  |
Cash and Cash Equivalents [Line Items] |  |
Cash, cash equivalents, and short-term investments | 12,259,772 | 9,033,681
Short-term Investments |  |
Cash and Cash Equivalents [Line Items] |  |
Cash, cash equivalents, and short-term investments | 28,678 | 28,678
Other Current Assets |  |
Cash and Cash Equivalents [Line Items] |  |
Cash, cash equivalents, and short-term investments | 6,957 | 5,369
Non-current Assets |  |
Cash and Cash Equivalents [Line Items] |  |
Cash, cash equivalents, and short-term investments | 144 | 144
Cash |  |
Cash and Cash Equivalents [Line Items] |  |
Amortized Cost | 3,871,956 | 5,214,163
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Estimated Fair Value | 3,871,956 | 5,214,163
Cash | Cash and Cash Equivalents |  |
Cash and Cash Equivalents [Line Items] |  |
Cash, cash equivalents, and short-term investments | 3,864,916 | 5,208,710
Cash | Short-term Investments |  |
Cash and Cash Equivalents [Line Items] |  |
Cash, cash equivalents, and short-term investments | 0 | 0
Cash | Other Current Assets |  |
Cash and Cash Equivalents [Line Items] |  |
Cash, cash equivalents, and short-term investments | 6,957 | 5,369
Cash | Non-current Assets |  |
Cash and Cash Equivalents [Line Items] |  |
Cash, cash equivalents, and short-term investments | 83 | 84
Money market funds | Level 1 securities: |  |
Cash and Cash Equivalents [Line Items] |  |
Amortized Cost | 7,754,592 | 3,259,240
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Estimated Fair Value | 7,754,592 | 3,259,240
Money market funds | Cash and Cash Equivalents | Level 1 securities: |  |
Cash and Cash Equivalents [Line Items] |  |
Cash, cash equivalents, and short-term investments | 7,754,531 | 3,259,180
Money market funds | Short-term Investments | Level 1 securities: |  |
Cash and Cash Equivalents [Line Items] |  |
Cash, cash equivalents, and short-term investments | 0 | 0
Money market funds | Other Current Assets | Level 1 securities: |  |
Cash and Cash Equivalents [Line Items] |  |
Cash, cash equivalents, and short-term investments | 0 | 0
Money market funds | Non-current Assets | Level 1 securities: |  |
Cash and Cash Equivalents [Line Items] |  |
Cash, cash equivalents, and short-term investments | 61 | 60
Time deposits | Level 2 securities: |  |
Cash and Cash Equivalents [Line Items] |  |
Amortized Cost | 669,003 | 594,469
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Estimated Fair Value | 669,003 | 594,469
Time deposits | Cash and Cash Equivalents | Level 2 securities: |  |
Cash and Cash Equivalents [Line Items] |  |
Cash, cash equivalents, and short-term investments | 640,325 | 565,791
Time deposits | Short-term Investments | Level 2 securities: |  |
Cash and Cash Equivalents [Line Items] |  |
Cash, cash equivalents, and short-term investments | 28,678 | 28,678
Time deposits | Other Current Assets | Level 2 securities: |  |
Cash and Cash Equivalents [Line Items] |  |
Cash, cash equivalents, and short-term investments | 0 | 0
Time deposits | Non-current Assets | Level 2 securities: |  |
Cash and Cash Equivalents [Line Items] |  |
Cash, cash equivalents, and short-term investments | $ 0 | $ 0

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- Definition Cash includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the customer may deposit additional funds at any time and effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid Investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Short-term investments, exclusive of cash equivalents, generally consist of marketable securities intended to be sold within one year (or the normal operating cycle if longer) and may include trading securities, available-for-sale securities, or held-to-maturity securities (if maturing within one year), as applicable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(9)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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