v3.26.3
Document And Entity Information
Sep. 28, 2026
Document Information [Line Items]  
Entity, Registrant Name Eagle Bancorp Montana, Inc.
Document, Type 8-K
Document, Period End Date Sep. 28, 2026
Entity, Incorporation, State or Country Code DE
Entity, File Number 1-34682
Entity, Tax Identification Number 27-1449820
Entity, Address, Address Line One 1400 Prospect Ave.
Entity, Address, City or Town Helena
Entity, Address, State or Province MT
Entity, Address, Postal Zip Code 59601
City Area Code 406
Local Phone Number 442-3080
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock
Trading Symbol EBMT
Security Exchange Name NASDAQ
Entity, Emerging Growth Company false
Amendment Flag false
Entity, Central Index Key 0001478454