Consolidated Statements of Changes in Shareholders' Equity (Parentheticals)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Exercise of options	157,313	198,588	167,882
Common stock issued	223,382	563,343	2,864,495
Employee stock purchase plan	19,890	27,113	31,248
Common stock dividend, shares		2,340,518us-gaap_StockDividendsShares
Common stock dividend		10.00%egbn_CommonStockDividendRate
Shares issued to effect merger	4,010,261
Common Stock [Member]
Exercise of options			167,882
Common stock issued	223,382	563,343	2,864,495
Employee stock purchase plan	19,890	27,113	31,248
Shares issued to effect merger	4,010,261

Common stock dividend, percentage of shares issued of shares held.

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Number of shares of common and preferred stock issued as dividends during the period. Excludes stock splits.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

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Number of shares of stock issued during the period pursuant to acquisitions.

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Number of shares issued during the period as a result of an employee stock purchase plan.

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Number of new stock issued during the period.

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

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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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