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Stock-Based Compensation - Share Based Payment Awards Granted in Period (Detail) | 6 Months Ended
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Jun. 30, 2017 shares
Stock Option [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Stock options granted in period | 71,434
Stock Awards (at target) [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Awards granted in period | 44,599
Stock Appreciation Rights (SARs) [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Awards granted in period | 148,723

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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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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. + References No definition available. + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Details
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- Details
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