Document and Entity Information	6 Months Ended
	Jun. 30, 2013	Aug. 08, 2013
Document Documentand Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q2
Trading Symbol	mfsf
Entity Registrant Name	MUTUALFIRST FINANCIAL INC
Entity Central Index Key	0001094810
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		7,099,779