XML 109 R89.htm IDEA: XBRL DOCUMENT v3.25.1

Schedule of Value of Business Acquired (Details) (Parenthetical)	Dec. 31, 2024	Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]
Imputed interest rate	7.00%	7.00%

X

- Definition

Debt instrument imputed interest rate.

+ References

No definition available.

+ Details

Name:	SNFCA_DebtInstrumentImputedInterestRate
Namespace Prefix:	SNFCA_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration