Accounting For Stock-Based Compensation (Schedule Of Stock Option Activity) (Details) (USD $)	6 Months Ended
Jun. 30, 2013
Accounting For Stock-Based Compensation [Abstract]
Options Outstanding, Outstanding, December 31, 2012	544,153
Options Outstanding, Exercised
Options Outstanding, Expired	(11,250)
Options Outstanding, Forfeited	(1,250)
Options Outstanding, Outstanding, June 30, 2013	531,653
Options Outstanding, Exercisable, June 30, 2013	335,739
Weighted-Average Exercise Price Per Share, Outstanding, December 31, 2012	$ 8.68
Weighted-Average Exercise Price Per Share, Exercised
Weighted-Average Exercise Price Per Share, Expired	$ 7.09
Weighted-Average Exercise Price Per Share, Forfeited	$ 8.71
Weighted-Average Exercise Price Per Share, Outstanding, June 30, 2013	$ 8.71
Weighted-Average Exercise Price Per Share, Exercisable, June 30, 2013	$ 9.28

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ 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 (c)(1)(iii)

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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- Definition

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

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

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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

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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-Subparagraph (c)(1)(iv)(3)

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- Definition

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

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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.

+ References

No definition available.

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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.

+ References

No definition available.

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

+ References

No definition available.

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

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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