Cash, Cash Equivalents, Restricted Cash, and Short-term Investments (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Cash and Cash Equivalents [Line Items]
Amortized Cost	$ 8,393,688	$ 9,583,083
Gross Unrealized Gains	0	3,260
Gross Unrealized Losses	0	0
Estimated Fair Value	8,393,688	9,586,343
Cash and Cash Equivalents
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	8,177,405	7,804,733
Short-term Investments
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	213,115	1,779,006
Other Current Assets
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	3,024	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	4,955,802	4,866,753
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	4,955,802	4,866,753
Cash | Cash and Cash Equivalents
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	4,952,694	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	3,024	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	2,887,056	2,676,314
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	2,887,056	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	2,886,996	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	550,830	301,374
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	550,830	301,374
Time Deposits | Cash and Cash Equivalents | Level 2 securities:
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	337,715	264,270
Time Deposits | Short-term Investments | Level 2 securities:
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and short-term investments	213,115	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		0
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