Cash, Cash Equivalents, Restricted Cash, and Short-term Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Cash and Cash Equivalents [Line Items]
Amortized Cost	$ 9,220,421	$ 7,139,488
Gross Unrealized Gains	5,566	0
Gross Unrealized Losses	0	0
Estimated Fair Value	9,225,987	7,139,488
Cash and cash equivalents
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	7,457,025	7,116,913
Short-term investments
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	1,766,902	20,973
Other Current Assets
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	1,923	1,466
Non-current Assets
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	137	136
Cash
Cash and Cash Equivalents [Line Items]
Amortized Cost	4,809,569	5,988,176
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	4,809,569	5,988,176
Cash \| Cash and cash equivalents
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	4,807,566	5,986,629
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	1,923	1,466
Cash \| Non-current Assets
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	80	81
Money market funds \| Level 1 securities:
Cash and Cash Equivalents [Line Items]
Amortized Cost	2,432,077	925,707
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	2,432,077	925,707
Money market funds \| Cash and cash equivalents \| Level 1 securities:
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	2,432,020	925,652
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	57	55
Time Deposits \| Level 2 securities:
Cash and Cash Equivalents [Line Items]
Amortized Cost	250,412	225,605
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	250,412	225,605
Time Deposits \| Cash and cash equivalents \| Level 2 securities:
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	217,439	204,632
Time Deposits \| Short-term investments \| Level 2 securities:
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	32,973	20,973
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	1,728,363
Gross Unrealized Gains	5,566
Gross Unrealized Losses	0
Estimated Fair Value	1,733,929
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	1,733,929
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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