Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2022	Aug. 12, 2022
Document Information [Line Items]
Entity Central Index Key	0000858800
Entity Registrant Name	EMCLAIRE FINANCIAL CORP
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2022
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2022
Document Transition Report	false
Entity File Number	001-34527
Entity Incorporation, State or Country Code	PA
Entity Tax Identification Number	25-1606091
Entity Address, Address Line One	612 Main Street
Entity Address, City or Town	Emlenton
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	16373
City Area Code	844
Local Phone Number	767-2311
Title of 12(b) Security	Common Stock, par value $1.25 per share
Trading Symbol	EMCF
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		2,735,212