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Cover
Jun. 21, 2024
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 21, 2024
Entity File Number 000-09341
Entity Registrant Name SECURITY NATIONAL FINANCIAL CORPORATION
Entity Central Index Key 0000318673
Entity Tax Identification Number 87-0345941
Entity Incorporation, State or Country Code UT
Entity Address, Address Line One 433 Ascension Way
Entity Address, Address Line Two 6th Floor
Entity Address, City or Town Salt Lake City
Entity Address, State or Province UT
Entity Address, Postal Zip Code 84123
City Area Code (801)
Local Phone Number 264-1060
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Class A Common Stock
Trading Symbol SNFCA
Security Exchange Name NASDAQ
Entity Emerging Growth Company false