Share-Based Compensation - Additional Information (Detail) - USD ($) |
3 Months Ended | |
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Mar. 31, 2019 |
Mar. 31, 2018 |
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Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||
Share-based compensation expense | $ 711,000 | $ 884,000 |
Related tax benefits on non-qualified stock options | $ 213,000 | $ 247,000 |
Number of shares, stock options exercised (shares) | 650 | |
Stock option awards | ||
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||
Unrecognized share-based compensation expense | $ 0 | |
Restricted stock awards | ||
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||
Unrecognized share-based compensation expense | $ 3,315,000 |
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Unrecognized cost of unvested share-based compensation awards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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