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Equity And Stock-Based Compensation (Summary Of Repurchased Stock) (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended | 24 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2015
Equity And Stock-Based Compensation [Abstract] |  |  |
Shares acquired | 240,102 | 432,252 | 672,354
Share price | $ 12.95 | $ 9.42 | $ 10.68
Repurchased program, amount repurchased | $ 3,110 | $ 4,070 | $ 7,178

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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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