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Equity and Stock-based Compensation - Stock-Based Compensation - Additional information (Detail) $ in Millions | 12 Months Ended
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Dec. 31, 2016 USD ($)
Stock Option Awards [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Unrecognized compensation costs | $ 29.7
Non-vested stock option awards granted that will be recognized on a straight-line basis over the weighted-average period | 2 years 3 months 22 days
Restricted Stock Unit [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Non-vested stock option awards granted that will be recognized on a straight-line basis over the weighted-average period | 2 years 8 months 23 days
Unrecognized compensation costs | $ 20.2

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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation. + References No definition available. + Details
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- Definition Unrecognized cost of unvested options awarded to employees as compensation. + References No definition available. + 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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- Details
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- Details
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