Shareholders' Equity (Changes In Shares Of Common Stock) (Details)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Shareholders Equity [Line Items]
Treasury stock, beginning balance	279,461us-gaap_TreasuryStockShares
Shares issued, beginning balance	14,397,509us-gaap_CommonStockSharesIssued	14,161,597us-gaap_CommonStockSharesIssued
Restricted stock awards issued
Restricted stock awards forfeited
Stock options exercised
Treasury stock purchases
Treasury stock, ending balance	230,717us-gaap_TreasuryStockShares
Shares issued, ending balance	14,397,509us-gaap_CommonStockSharesIssued	14,161,597us-gaap_CommonStockSharesIssued
Common Stock [Member]
Shareholders Equity [Line Items]
Shares outstanding, beginning balance	14,118,048	13,829,355
Restricted stock awards issued	49,084	33,842
Restricted stock awards forfeited	(2,271)	(7,037)
Stock options exercised	3,722	5,925
Treasury stock purchases	(1,791)	(9,102)
Shares outstanding, ending balance	14,166,792	13,852,983
Treasury Stock [Member]
Shareholders Equity [Line Items]
Treasury stock, beginning balance	279,461	332,242
Restricted stock awards issued	(49,084)	(33,842)
Restricted stock awards forfeited	2,271	7,037
Stock options exercised	(3,722)	(5,925)
Treasury stock purchases	1,791	9,102
Treasury stock, ending balance	230,717	308,614

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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

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Number of shares related to Restricted Stock Award forfeited during the period.

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Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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Number of shares that have been repurchased during the period and are being held in treasury.

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