Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2015	Aug. 14, 2015
Entity Registrant Name	SECURITY NATIONAL FINANCIAL CORP
Document Type	10-Q
Document Period End Date	Jun. 30, 2015
Amendment Flag	false
Entity Central Index Key	0000318673
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2
Trading Symbol	snfca
Class A Common Stock
Entity Common Stock, Shares Outstanding		12,480,944
Class C Common Stock
Entity Common Stock, Shares Outstanding		1,507,561