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Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Common stock, par value	$ 0.01us-gaap_CommonStockParOrStatedValuePerShare	$ 0.01us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized	125,000,000us-gaap_CommonStockSharesAuthorized	125,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares outstanding	27,995,638us-gaap_CommonStockSharesOutstanding	25,177,597us-gaap_CommonStockSharesOutstanding
Treasury stock, shares	865us-gaap_TreasuryStockNumberOfSharesHeld	14,381us-gaap_TreasuryStockNumberOfSharesHeld

X

- Definition

Face amount or stated value per share of common stock.

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- Definition

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

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

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Number of shares held for each class of treasury stock.

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