Cash and Available-for-Sale Securities - Schedule of Cash, Cash Equivalents and Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 2,046,070	$ 2,992,864
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	2,046,070	2,992,864
Cash and Cash Equivalents	1,326,070	2,412,864
Investments	720,000	580,000
Cash
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	712,772	948,894
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	712,772	948,894
Cash and Cash Equivalents	712,772	948,894
Investments	0	0
Time deposits
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	810,000	790,000
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	810,000	790,000
Cash and Cash Equivalents	90,000	210,000
Investments	720,000	580,000
Money market funds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	523,298	1,253,970
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	523,298	1,253,970
Cash and Cash Equivalents	523,298	1,253,970
Investments	$ 0	$ 0