Share Based Compensation (Summary Of Activity In Stock Option Plans) (Details) - Employee Stock Option and Stock Appreciation Rights (SARs) [Member] - $ / shares	6 Months Ended	12 Months Ended
Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding Options, Beginning Balance	157,170	185,410	185,410
Outstanding Options, Granted	166,717	0
Outstanding Options, Exercised	0	(3,200)
Outstanding Options, Forfeited	0	0
Outstanding Options, Expired	0	(2,500)
Outstanding Options, Ending Balance	323,887	179,710	157,170
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding, Weighted-Average Exercise Price, Beginning Balance	$ 20.43	$ 19.59	$ 19.59
Outstanding, Weighted-Average Exercise Price, Granted	12.01	0.00
Outstanding, Weighted-Average Exercise Price, Exercised	0.00	4.63
Outstanding, Weighted-Average Exercise Price, Forfeited	0.00	0.00
Outstanding, Weighted-Average Exercise Price, Expired	0.00	17.43
Outstanding, Weighted-Average Exercise Price, Ending Balance	$ 16.10	$ 19.88	$ 20.43

Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iv)(4)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Net number of share options (or share units) granted during the period.

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-Publisher FASB

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Number of options outstanding, including both vested and non-vested options.

+ References

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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