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Stock-Based Compensation - Summary of Unrecognized Compensation Cost (Details) $ in Thousands | 9 Months Ended
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Sep. 30, 2015 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Unrecognized compensation costs, equity instruments other than options | $ 3,669
Expected Weighted Average Period of Recognition (in years) | 10 months 24 days
Restricted stock awards |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Unrecognized compensation costs, equity instruments other than options | $ 1,510
Expected Weighted Average Period of Recognition (in years) | 10 months 24 days
Stock options |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Unrecognized compensation costs, options | $ 290
Expected Weighted Average Period of Recognition (in years) | 1 year 1 month 6 days
Performance share units |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Unrecognized compensation costs, equity instruments other than options | $ 918
Expected Weighted Average Period of Recognition (in years) | 1 year
Stock appreciation rights |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Unrecognized compensation costs, options | $ 951
Expected Weighted Average Period of Recognition (in years) | 6 months

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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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