Fair Value Measurements - Schedule of Cash, Cash Equivalents and Debt Investments by Significant Category (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash	$ 725,597	$ 748,537
Total adjusted cost	2,042,525	2,221,688
Unrealized Gains	5,830	5,208
Unrealized Losses	232	693
Fair Value, Subtotal	2,048,123	2,226,203
Current Investments	689,125	674,378
Long-term Investments	628,053	799,023
Fair Value, Inputs, Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash	638,001	652,568
Total adjusted cost	1,935,122	2,105,555
Unrealized Gains	5,580	4,947
Unrealized Losses	27	693
Fair Value, Subtotal	1,940,675	2,109,809
Current Investments	684,475	670,128
Long-term Investments	612,646	782,859
Fair Value, Inputs, Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Adjusted cost	19,807	20,164
Unrealized Gains	250	261
Unrealized Losses	205
Fair Value	19,852	20,425
Current Investments	4,650	4,250
Long-term Investments	15,407	16,164
U.S. Treasury securities \| Fair Value, Inputs, Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Adjusted cost	1,248,831	1,404,777
Unrealized Gains	5,471	4,831
Unrealized Losses	27	693
Fair Value	1,254,275	1,408,915
Current Investments	636,185	635,392
Long-term Investments	612,646	769,385
Corporate debt securities \| Fair Value, Inputs, Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Adjusted cost	48,290	48,210
Unrealized Gains	109	116
Fair Value	48,399	48,326
Current Investments	48,290	34,736
Long-term Investments		13,474
Corporate debt securities \| Fair Value, Inputs, Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Adjusted cost	16,001	16,401
Unrealized Gains		11
Unrealized Losses	205
Fair Value	15,796	16,412
Current Investments	2,400	2,000
Long-term Investments	13,601	14,401
Notes receivable \| Fair Value, Inputs, Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Adjusted cost	3,806	3,763
Unrealized Gains	250	250
Fair Value	4,056	4,013
Current Investments	2,250	2,250
Long-term Investments	1,806	1,763
Cash
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash	87,596	95,969
Money market funds \| Fair Value, Inputs, Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash	559,835	574,689
Time deposits \| Fair Value, Inputs, Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash	$ 78,166	$ 77,879

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

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