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Stockholders' Equity - Additional Information (Detail) - USD ($) $ in Millions | Sep. 30, 2021 | Nov. 06, 2015 | Nov. 05, 2014
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Stockholders Equity [Line Items] |  |  |
Remaining amount available for repurchases of shares | $ 25.3 |  |
Accelerated Share Repurchase Program [Member] |  |  |
Stockholders Equity [Line Items] |  |  |
Maximum payments for repurchase of common stock |  | $ 20.0 | $ 30.0

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- Definition Stockholders equity. + References No definition available. + Details
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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
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- Details
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