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Financial Instruments - Summary of Financial Instruments (Detail) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
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Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |
Short-term investments, Carrying Amount | $ 124,015 | $ 163,971
Short-term investments, Estimated Fair Value | 124,000 | 164,000
Senior Notes |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |
Carrying Amount | 446,000 | 478,000
Estimated Fair Value | $ 439,000 | $ 461,000

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