XML 80 R68.htm IDEA: XBRL DOCUMENT v3.21.1

11) Reinsurance, Commitments and Contingencies: Mortgage Loan Loss Settlements (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Text Block [Abstract]
Funds reserved and accrued to settle investor related claims	$ 2,204,983	$ 20,583,618

X

- Definition

Represents the monetary amount of Funds reserved and accrued to settle investor related claims, as of the indicated date.

+ References

No definition available.

+ Details

Name:	snfc_FundsReservedAndAccruedToSettleInvestorRelatedClaims
Namespace Prefix:	snfc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

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