XML 143 R123.htm IDEA: XBRL DOCUMENT v3.25.1

Statutory Financial Information and Dividend Limitations (Details Narrative)	Dec. 31, 2024 USD ($)
Cash dividend paid	$ 7,358,000
First Guaranty Insurance Company [Member]
Cash dividend paid	742,000
Kilpatrick Life Insurance Company [Member]
Cash dividend paid	$ 1,974,000

X

- Definition

Amount of dividends that can be declared or paid without approval of regulatory agency.

+ References

No definition available.

+ Details

Name:	us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=SNFCA_FirstGuarantyInsuranceCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=SNFCA_KilpatrickLifeInsuranceCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: