| Stock-Based Compensation (Tables) | 6 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Jun. 30, 2014 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule Of Stock-Based Compensation Expense | Stock-based compensation expense consisted of the following (in thousands): 
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| Schedule Of Weighted Average Assumptions | The following table presents the weighted average assumptions for stock options granted in the periods: 
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| Schedule Of Weighted Average Assumptions For Restricted Stock Units | 
The following table presents the weighted average assumptions for restricted stock units granted in the periods:
 
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| X | ||||||||||
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of restricted stock units. No definition available. 
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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
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