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Fair Value Measurements - Summary of Fair Values and Unrealized Losses on Investments (Detail) - Corporate Debt [Member] - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
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Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |  |
Less than Twelve Months, Estimated Fair value | $ 11,467 | $ 38,041
Less than Twelve Months, Gross unrealized losses | (11) | (426)
Twelve Months or More, Estimated Fair value | 753 | 1,226
Twelve Months or More, Gross unrealized losses | (1) | (1)
Estimated Fair value, Total | 12,220 | 39,267
Gross unrealized losses, Total | $ (12) | $ (427)

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- Definition Amount of accumulated unrealized loss on 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 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-5 + Details
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