Fair Value Measures and Disclosures - Schedule of Assets Measured on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Fair value of financial instruments
Debt securities (government)	$ 482,787
Long term equity investments	47,991	$ 18,814
Estimate of Fair Value Measurement
Fair value of financial instruments
Cash and cash equivalents	3,097,817	1,687,829
Debt securities (government)	482,787	470,263
Long term equity investments	47,991	18,814
Total assets	3,628,595	2,176,906
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair value of financial instruments
Cash and cash equivalents	3,097,817	1,687,829
Debt securities (government)	0	0
Long term equity investments	47,991	18,814
Total assets	3,145,808	1,706,643
Significant Other Observable Inputs (Level 2)
Fair value of financial instruments
Cash and cash equivalents	0	0
Debt securities (government)	482,787	470,263
Long term equity investments	0	0
Total assets	482,787	470,263
Significant Unobservable Inputs (Level 3)
Fair value of financial instruments
Cash and cash equivalents	0	0
Debt securities (government)	0	0
Long term equity investments	0	0
Total assets	$ 0	$ 0

Fair value portion of asset recognized for present right to economic benefit.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount excluding accrued interest, of 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 of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as noncurrent.

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