Cash, Cash Equivalents, Restricted Cash And Investments - Schedule of Contractual Maturity Date of Cash Cash Equivalents, Restricted Cash and Investments in Available-for-Sale Securities (Detail) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Cash and Cash Equivalents [Line Items] | ||
| 1 Year or Less | $ 998,426 | |
| Greater than 1 Year | 671,522 | |
| Total | 1,669,948 | $ 3,343,682 |
| Cash and money market funds [Member] | ||
| Cash and Cash Equivalents [Line Items] | ||
| 1 Year or Less | 209,434 | |
| Greater than 1 Year | 7,040 | |
| Total | 216,474 | 538,195 |
| Certificates of deposit [Member] | ||
| Cash and Cash Equivalents [Line Items] | ||
| 1 Year or Less | 534 | |
| Greater than 1 Year | 0 | |
| Total | 534 | 0 |
| U.S. government and agency [Member] | ||
| Cash and Cash Equivalents [Line Items] | ||
| 1 Year or Less | 788,458 | |
| Greater than 1 Year | 664,482 | |
| Total | $ 1,452,940 | $ 2,803,488 |
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- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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