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Stock-Based Compensation - Stock-Based Employee Compensation Expense (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Income Statement Compensation Expense Items [Abstract] |  |  |  |
Stock-based compensation expense | $ 627 | $ 555 | $ 1,545 | $ 1,604
Tax benefit | 151 | 134 | 372 | 386
Stock-based compensation expense, net of tax | $ 476 | $ 421 | $ 1,173 | $ 1,218

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