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Stock-Based Compensation - Summary of Information with Respect to Options Outstanding and Exercisable (Detail) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Number of Shares Options Outstanding | 135,733
Weighted Average Exercise Price | $ 20.88
Exercisable Weighted Average Remaining Contractual Life (In Years) | 11 months 12 days
Aggregate Intrinsic Value (In Thousands) | $ 1,227
Minimum [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range | $ 14.45
Maximum [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range | $ 29.93

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- Definition Share based compensation shares authorized under stock option plans exercise price range. + References No definition available. + Details
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