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Cover Page - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2021
Feb. 09, 2022
Jun. 30, 2021
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2021    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity Registrant Name Eagle Bancorp, Inc.    
Entity Incorporation, State or Country Code MD    
Entity File Number 0-25923    
Entity Tax Identification Number 52-2061461    
Entity Address, State or Province MD    
Entity Address, Address Line One 7830 Old Georgetown Road    
Entity Address, Address Line Two Third Floor    
Entity Address, City or Town Bethesda    
Entity Address, Postal Zip Code 20814    
City Area Code 301    
Local Phone Number 986-1800    
Title of 12(b) Security Common Stock, $0.01 par value    
Trading Symbol EGBN    
Security Exchange Name NASDAQ    
Entity a Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Documents Incorporated by Reference
DOCUMENTS INCORPORATED BY REFERENCE
Portions of the Company’s definitive Proxy Statement for the Annual Meeting of Shareholders to be held on
May 19, 2022 are incorporated by reference in Part III hereof.
    
Entity Public Float     $ 1.8
Entity Common Stock, Shares Outstanding   31,950,978  
Entity Central Index Key 0001050441    
Amendment Flag false    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY