XML 55 R43.htm IDEA: XBRL DOCUMENT v3.21.2

Schedule Of Credit Risk Of Mortgage Loans Based on Performance Status (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Marketable Securities [Line Items]
Mortgage loans	$ 310,661,878	$ 253,771,091
Commercial Loan [Member]
Marketable Securities [Line Items]
Mortgage loans	52,087,010	46,836,866
Residential Mortgage [Member]
Marketable Securities [Line Items]
Mortgage loans	89,544,581	111,111,777
Residential Construction [Member]
Marketable Securities [Line Items]
Mortgage loans	169,030,287	95,822,448
Performing Financing Receivable [Member]
Marketable Securities [Line Items]
Mortgage loans	306,916,156	243,488,621
Performing Financing Receivable [Member] | Commercial Loan [Member]
Marketable Securities [Line Items]
Mortgage loans	51,511,750	44,688,039
Performing Financing Receivable [Member] | Residential Mortgage [Member]
Marketable Securities [Line Items]
Mortgage loans	86,374,119	87,889,768
Performing Financing Receivable [Member] | Residential Construction [Member]
Marketable Securities [Line Items]
Mortgage loans	169,030,287	110,910,814
Nonperforming Financing Receivable [Member]
Marketable Securities [Line Items]
Mortgage loans	3,745,722	10,282,470
Nonperforming Financing Receivable [Member] | Commercial Loan [Member]
Marketable Securities [Line Items]
Mortgage loans	575,260	2,148,827
Nonperforming Financing Receivable [Member] | Residential Mortgage [Member]
Marketable Securities [Line Items]
Mortgage loans	3,170,462	7,932,680
Nonperforming Financing Receivable [Member] | Residential Construction [Member]
Marketable Securities [Line Items]
Mortgage loans		200,963
Performing and Non-Performing [Member]
Marketable Securities [Line Items]
Mortgage loans	310,661,878	253,771,091
Performing and Non-Performing [Member] | Commercial Loan [Member]
Marketable Securities [Line Items]
Mortgage loans	52,087,011	46,836,866
Performing and Non-Performing [Member] | Residential Mortgage [Member]
Marketable Securities [Line Items]
Mortgage loans	89,544,581	95,822,448
Performing and Non-Performing [Member] | Residential Construction [Member]
Marketable Securities [Line Items]
Mortgage loans	$ 169,030,287	$ 111,111,777

X

- Definition

Represents the monetary amount of Mortgage loans, as of the indicated date.

+ References

No definition available.

+ Details

Name:	SNFCA_MortgageLoans
Namespace Prefix:	SNFCA_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CommercialLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_ResidentialMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=SNFCA_ResidentialConstructionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CreditRatingMoodysAxis=SNFCA_PerformingFinancingReceivable1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CreditRatingMoodysAxis=SNFCA_NonperformingFinancingReceivable1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CreditRatingMoodysAxis=SNFCA_PerformingAndNonPerformingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: