Cash, Cash Equivalents, Restricted Cash, and Short-term Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Cash and Cash Equivalents [Line Items]
Amortized Cost	$ 9,067,872	$ 9,583,083
Gross Unrealized Gains	0	3,260
Gross Unrealized Losses	0	0
Estimated Fair Value	9,067,872	9,586,343
Cash and cash equivalents
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	9,033,681	7,804,733
Short-term investments
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	28,678	1,779,006
Other Current Assets
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	5,369	2,472
Non-current Assets
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	144	132
Cash
Cash and Cash Equivalents [Line Items]
Amortized Cost	5,214,163	4,866,753
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	5,214,163	4,866,753
Cash \| Cash and cash equivalents
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	5,208,710	4,864,207
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	5,369	2,472
Cash \| Non-current Assets
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	84	74
Money market funds \| Level 1 securities:
Cash and Cash Equivalents [Line Items]
Amortized Cost	3,259,240	2,676,314
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	3,259,240	2,676,314
Money market funds \| Cash and cash equivalents \| Level 1 securities:
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	3,259,180	2,676,256
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	60	58
Time Deposits \| Level 2 securities:
Cash and Cash Equivalents [Line Items]
Amortized Cost	594,469	301,374
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	594,469	301,374
Time Deposits \| Cash and cash equivalents \| Level 2 securities:
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	565,791	264,270
Time Deposits \| Short-term investments \| Level 2 securities:
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	28,678	37,104
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
Government securities \| Level 2 securities:
Cash and Cash Equivalents [Line Items]
Amortized Cost		1,738,642
Gross Unrealized Gains		3,260
Gross Unrealized Losses
Estimated Fair Value		1,741,902
Government securities \| Cash and cash equivalents \| Level 2 securities:
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments		0
Government securities \| Short-term investments \| Level 2 securities:
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments		1,741,902
Government securities \| Other Current Assets \| Level 2 securities:
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments		0
Government securities \| Non-current Assets \| Level 2 securities:
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments		$ 0

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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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.

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