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v3.25.3

Fair Value Measurements - Valuation of Company's Assets and Liabilities Measured at Fair Value (Detail) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Assets |  |
Money market funds | $ 27,464 | $ 55,473
Assets Fair Value Total | 195,936 | 220,733
Liabilities |  |
Total liabilities | 499 | 936
Foreign Currency Forward Position [Member] |  |
Liabilities |  |
Foreign currency forward position | 499 | 936
Mutual Funds Held In Rabbi Trust [Member] |  |
Assets |  |
Mutual funds held in rabbi trust | 11,221 | 11,107
U.S. Treasuries [Member] |  |
Assets |  |
Trading securities | 100,503 | 99,045
Corporate Debt [Member] |  |
Assets |  |
Securities available-for-sale | 56,748 | 55,108
Level 1 [Member] |  |
Assets |  |
Money market funds | 27,464 | 55,473
Assets Fair Value Total | 27,464 | 55,473
Level 2 [Member] |  |
Assets |  |
Assets Fair Value Total | 168,472 | 165,260
Liabilities |  |
Total liabilities | 499 | 936
Level 2 [Member] | Foreign Currency Forward Position [Member] |  |
Liabilities |  |
Foreign currency forward position | 499 | 936
Level 2 [Member] | Mutual Funds Held In Rabbi Trust [Member] |  |
Assets |  |
Mutual funds held in rabbi trust | 11,221 | 11,107
Level 2 [Member] | U.S. Treasuries [Member] |  |
Assets |  |
Trading securities | 100,503 | 99,045
Level 2 [Member] | Corporate Debt [Member] |  |
Assets |  |
Securities available-for-sale | $ 56,748 | $ 55,108

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