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Income Taxes - Reconciliation of the Federal Statutory Rate (Detail) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income Tax Disclosure [Abstract] |  |  |
Income tax provision at federal statutory rate | 21.00% | 21.00% | 21.00%
Increase (decrease) in tax resulting from: |  |  |
State tax provision, net of federal benefit | 40.60% | 8.10% | 5.20%
Foreign tax rate differential | 37.70% | 2.70% | (0.50%)
Stock compensation | 66.60% | 17.50% | 0.90%
Withholding taxes | 31.70% | 6.20% | 1.70%
Non-deductible expenses | 23.10% | 8.10% | 1.50%
Goodwill related to sale of FeedbackNow | 93.90% | 0.00% | 0.00%
Permanent differences | (0.10%) | (1.70%) | (0.30%)
Change in valuation allowance | 0.40% | 0.50% | 1.00%
Foreign subsidiary income subject to U.S. tax | (1.60%) | 1.20% | 1.30%
Foreign-derived intangible income benefit | 1.10% | (3.80%) | (0.70%)
Change in tax legislation | 0.00% | (8.10%) | (1.60%)
Foreign exchange gain (loss) on previously taxed earnings and profits | (0.50%) | 1.60% | 0.00%
Currency translation gain (loss) | 3.60% | 0.70% | (0.10%)
Other, net | 0.40% | (2.50%) | (0.40%)
Effective tax rate | 317.90% | 51.50% | 29.00%

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