Investments - Additional Information (Detail) |
9 Months Ended | |
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Sep. 30, 2025
USD ($)
Security
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Dec. 31, 2024
USD ($)
Security
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| Investments, All Other Investments [Abstract] | ||
| Short-term investments with maturities less than one year | $ 379,000,000 | $ 393,100,000 |
| Short-term investments with maturities between one to two years | 57,900,000 | 97,300,000 |
| Short-term investments with maturities between two to three years | $ 17,500,000 | 12,500,000 |
| Short-term investments maturities, description | As of September 30, 2025 and December 31, 2024, short-term investments of $379.0 million and $393.1 million, respectively, had maturities less than one year, short-term investments of $57.9 million and $97.3 million, respectively, had maturities between one to two years, and short-term investments of $17.5 million and $12.5 million, respectively, had maturities between two to three years. | |
| Allowance for credit losses | $ 0 | 0 |
| Available for sale securities gross unrealized loss positions | 52,200,000 | 10,000,000 |
| Available for sale securities gross unrealized loss positions greater than 12 months | $ 0 | $ 0 |
| Number of available-for-sale securities | Security | 8 | 2 |
| Accrued interest receivable on available-for-sale securities | $ 3,300,000 | $ 3,300,000 |
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- Definition Available for sale securities debt maturities one to two years. No definition available.
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- Definition Available for sale securities debt maturities two to three years. No definition available.
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- Definition Short term investments maturities description. No definition available.
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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 allowance for credit loss on 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/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), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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), in unrealized loss position without allowance for credit loss. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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