Fair Value Measurements - Schedule of Cash, Cash Equivalents and Debt Investments by Significant Category (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash	$ 748,537	$ 560,609
Total adjusted cost	2,221,688	1,812,923
Unrealized Gains	5,208	5,654
Unrealized Losses	693	4,258
Fair value, subtotal	2,226,203	1,814,319
Current Investments	674,378	734,838
Long-term Investments	799,023	518,624
Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash	652,568	432,151
Total adjusted cost	2,105,555	1,652,564
Unrealized Gains	4,947	4,365
Unrealized Losses	693	4,090
Fair value, subtotal	2,109,809	1,652,839
Current Investments	670,128	731,339
Long-term Investments	782,859	489,074
Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Adjusted cost	20,164	31,901
Unrealized Gains	261	1,289
Unrealized Losses	0	168
Fair Value	20,425	33,022
Current Investments	4,250	3,499
Long-term Investments	16,164	29,550
U.S. Treasury securities \| Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Adjusted cost	1,404,777	1,200,658
Unrealized Gains	4,831	4,352
Unrealized Losses	693	4,083
Fair Value	1,408,915	1,200,927
Current Investments	635,392	731,339
Long-term Investments	769,385	469,319
Corporate debt securities \| Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Adjusted cost	48,210	19,755
Unrealized Gains	116	13
Unrealized Losses		7
Fair Value	48,326	19,761
Current Investments	34,736
Long-term Investments	13,474	19,755
Corporate debt securities \| Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Adjusted cost	16,401	17,401
Unrealized Gains	11
Unrealized Losses		27
Fair Value	16,412	17,374
Current Investments	2,000	999
Long-term Investments	14,401	16,402
Notes receivable \| Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Adjusted cost	3,763	14,500
Unrealized Gains	250	1,289
Unrealized Losses		141
Fair Value	4,013	15,648
Current Investments	2,250	2,500
Long-term Investments	1,763	13,148
Cash
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash	95,969	128,458
Money market funds \| Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash	574,689	355,872
Time deposits \| Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash	$ 77,879	$ 76,279

Cash And Cash Equivalents At Carrying Value And Debt Securities, Held-to-Maturity, Amortized Cost

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Cash And Cash Equivalents At Carrying Value And Debt Securities, Held-to-Maturity, Fair Value

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Amount 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. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

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Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).

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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity).

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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