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v3.25.4

Fair Value Measurements - Valuation of Company's Assets and Liabilities Measured at Fair Value (Detail) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Assets |  |
Money market funds | $ 23,355 | $ 55,473
Assets Fair Value Total | 195,879 | 220,733
Liabilities |  |
Total liabilities |  | 936
Mutual Funds Held In Rabbi Trust [Member] |  |
Assets |  |
Mutual funds held in rabbi trust | 11,465 | 11,107
U.S. Treasuries [Member] |  |
Assets |  |
Trading securities, Fair value | 100,772 | 99,045
Foreign Currency Forward Position [Member] |  |
Assets |  |
Foreign currency forward position | 1,847 |
Liabilities |  |
Foreign currency forward position |  | 936
Corporate Debt [Member] |  |
Assets |  |
Securities available-for-sale | 58,440 | 55,108
Level 1 [Member] |  |
Assets |  |
Money market funds | 23,355 | 55,473
Assets Fair Value Total | 23,355 | 55,473
Level 2 [Member] |  |
Assets |  |
Assets Fair Value Total | 172,524 | 165,260
Liabilities |  |
Total liabilities |  | 936
Level 2 [Member] | Mutual Funds Held In Rabbi Trust [Member] |  |
Assets |  |
Mutual funds held in rabbi trust | 11,465 | 11,107
Level 2 [Member] | U.S. Treasuries [Member] |  |
Assets |  |
Trading securities, Fair value | 100,772 | 99,045
Level 2 [Member] | Foreign Currency Forward Position [Member] |  |
Assets |  |
Foreign currency forward position | 1,847 |
Liabilities |  |
Foreign currency forward position |  | 936
Level 2 [Member] | Corporate Debt [Member] |  |
Assets |  |
Securities available-for-sale | $ 58,440 | $ 55,108

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