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Schedule of Mortgage Fee Income for Loans Held for Sale (Details) (Parenthethical) - USD ($)		12 Months Ended
	Oct. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Loans Held For Sale
Mortgage servicing rights	$ 34,051,938		$ 34,051,938

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- References

No definition available.

+ Details

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Namespace Prefix:	SNFCA_
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Balance Type:	na
Period Type:	duration

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- Definition

The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

+ Details

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Balance Type:	credit
Period Type:	duration