XML 61 R49.htm IDEA: XBRL DOCUMENT v3.21.2

Loans Held for Sale (Details Narrative) - USD ($)	9 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Loans Held For Sale
Provision on current loan originations	$ 1,701,700
Loan Increase per point	$ 300	$ 890
Amount of loan increased, per point	$ 1,000,000	$ 1,000,000
Additional provision for loan loss reserve			$ 16,506,030

X

- Definition

Amount of Loan Increased Per Point.

+ References

No definition available.

+ Details

Name:	SNFCA_AmountOfLoanIncreasedPerPoint
Namespace Prefix:	SNFCA_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	SNFCA_DisclosureLoansHeldForSaleAbstract
Namespace Prefix:	SNFCA_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Loan Increase Per Point.

+ References

No definition available.

+ Details

Name:	SNFCA_LoanIncreasePerPoint
Namespace Prefix:	SNFCA_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Loan Loss Reserve Additions.

+ References

No definition available.

+ Details

Name:	SNFCA_LoanLossReserveAdditions
Namespace Prefix:	SNFCA_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Provision on current loan originations.

+ References

No definition available.

+ Details

Name:	SNFCA_LoanLossReserveProvisionsForLoss
Namespace Prefix:	SNFCA_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration