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Significant Accounting Policies - Additional Information (Detail) $ / shares in Units, $ in Millions | 3 Months Ended
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Mar. 31, 2017 USD ($) $ / shares
Summary Of Significant Accounting Policies [Line Items] |
Cash and cash equivalents maturity period, maximum | 90 days
Income tax expense | $ 1.0
ASU 2016-09 [Member] |
Summary Of Significant Accounting Policies [Line Items] |
Income tax expense | $ 1.0
Decrease in earnings per share basic and diluted | $ / shares | $ 0.01

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- Definition Cash and cash equivalents criteria maturity period. + References No definition available. + Details
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- Definition Decrease in earnings per share basic and diluted. + References No definition available. + Details
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- Definition Income tax expense associated with stock compensation shortfalls. + References No definition available. + Details
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- Definition Summary of significant accounting policies. + References No definition available. + Details
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- Details
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