Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2018	Apr. 30, 2018
Document And Entity Information
Entity Registrant Name	EAGLE BANCORP INC
Entity Central Index Key	0001050441
Document Type	10-Q
Trading Symbol	EGBN
Document Period End Date	Mar. 31, 2018
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity's Reporting Status Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		34,306,285
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2018