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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Common stock, stated value per share	$ 0.125us-gaap_CommonStockParOrStatedValuePerShare	$ 0.125us-gaap_CommonStockParOrStatedValuePerShare
Common stock, Authorized shares	40,000,000us-gaap_CommonStockSharesAuthorized	40,000,000us-gaap_CommonStockSharesAuthorized
Common stock, Issued shares	14,557,815us-gaap_CommonStockSharesIssued	14,538,132us-gaap_CommonStockSharesIssued
Common stock, Outstanding shares	12,952,169us-gaap_CommonStockSharesOutstanding	12,942,175us-gaap_CommonStockSharesOutstanding
Treasury, shares	1,605,646us-gaap_TreasuryStockShares	1,595,957us-gaap_TreasuryStockShares

X

- Definition

Face amount or stated value per share of common stock.

+ References

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X

- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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X

- Definition

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

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

-Publisher FASB

-Name Accounting Standards Codification

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X

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

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- Definition

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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