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Stock-Based Compensation (Schedule Of Unrecognized Compensation Cost And Remaining Weighted-Average Amortization Period) (Details) $ in Thousands | 9 Months Ended
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Sep. 30, 2018 USD ($)
Stock Options [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Unrecognized compensation cost | $ 112
Remaining weighted-average amortization period | 4 months 24 days
Restricted Stock Units (RSUs) [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Unrecognized compensation cost | $ 15,143
Remaining weighted-average amortization period | 2 years 4 months 24 days
Performance-Based Restricted Stock Units [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Unrecognized compensation cost | $ 4,315
Remaining weighted-average amortization period | 1 year 4 months 24 days

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- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=109197908&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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- Details
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- Details
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- Details
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