XML 62 R51.htm IDEA: XBRL DOCUMENT v3.23.1

Schedule of Aging of Mortgage Loans (Details) - USD ($)		3 Months Ended	12 Months Ended
		Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Marketable Securities [Line Items]
Mortgage loans during period		$ 291,372,612	$ 312,183,703
Mortgage loans, allowance for loan losses		(2,735,419)	(1,970,311)	$ (1,699,902)
Mortgage loans, unamortized deferred loan fees, net		(1,752,369)	(1,746,605)
Mortgage loans, unamortized discounts, net		(338,185)	(342,860)
Past Due 30 to 59 Days [Member]
Marketable Securities [Line Items]
Mortgage loans during period		10,234,240	4,553,390
Past Due 60 to 89 Days [Member]
Marketable Securities [Line Items]
Mortgage loans during period			814,184
Past Due 90 or More Days [Member]
Marketable Securities [Line Items]
Mortgage loans during period	[1]	2,629,933	1,286,211
In Foreclosure [Member]
Marketable Securities [Line Items]
Mortgage loans during period	[1]	713,552	1,281,174
Total Past Due [Member]
Marketable Securities [Line Items]
Mortgage loans during period		13,577,725	7,934,959
Current [Member]
Marketable Securities [Line Items]
Mortgage loans during period		277,794,887	304,248,744
Net Mortgage Loans [Member]
Marketable Securities [Line Items]
Mortgage loans during period		286,546,639	308,123,927
Commercial Loan [Member]
Marketable Securities [Line Items]
Mortgage loans during period		50,807,452	46,311,955
Mortgage loans, allowance for loan losses		(758,131)	(187,129)	(187,129)
Mortgage loans, unamortized deferred loan fees, net		(224,118)	(199,765)
Mortgage loans, unamortized discounts, net		(227,417)	(230,987)
Commercial Loan [Member] | Past Due 30 to 59 Days [Member]
Marketable Securities [Line Items]
Mortgage loans during period		3,221,608	1,000,000
Commercial Loan [Member] | Past Due 60 to 89 Days [Member]
Marketable Securities [Line Items]
Mortgage loans during period
Commercial Loan [Member] | Past Due 90 or More Days [Member]
Marketable Securities [Line Items]
Mortgage loans during period	[1]	405,000
Commercial Loan [Member] | In Foreclosure [Member]
Marketable Securities [Line Items]
Mortgage loans during period	[1]		405,000
Commercial Loan [Member] | Total Past Due [Member]
Marketable Securities [Line Items]
Mortgage loans during period		3,626,608	1,405,000
Commercial Loan [Member] | Current [Member]
Marketable Securities [Line Items]
Mortgage loans during period		47,180,844	44,906,955
Commercial Loan [Member] | Net Mortgage Loans [Member]
Marketable Securities [Line Items]
Mortgage loans during period		49,597,786	45,694,074
Residential Mortgage [Member]
Marketable Securities [Line Items]
Mortgage loans during period		94,471,213	93,355,623
Mortgage loans, allowance for loan losses		(1,685,100)	(1,739,980)	(1,469,571)
Mortgage loans, unamortized deferred loan fees, net		(1,258,174)	(1,212,994)
Mortgage loans, unamortized discounts, net		(110,768)	(111,873)
Residential Mortgage [Member] | Past Due 30 to 59 Days [Member]
Marketable Securities [Line Items]
Mortgage loans during period		5,807,400	3,553,390
Residential Mortgage [Member] | Past Due 60 to 89 Days [Member]
Marketable Securities [Line Items]
Mortgage loans during period			814,184
Residential Mortgage [Member] | Past Due 90 or More Days [Member]
Marketable Securities [Line Items]
Mortgage loans during period	[1]	2,224,933	1,286,211
Residential Mortgage [Member] | In Foreclosure [Member]
Marketable Securities [Line Items]
Mortgage loans during period	[1]	713,552	876,174
Residential Mortgage [Member] | Total Past Due [Member]
Marketable Securities [Line Items]
Mortgage loans during period		8,745,885	6,529,959
Residential Mortgage [Member] | Current [Member]
Marketable Securities [Line Items]
Mortgage loans during period		85,725,328	86,825,664
Residential Mortgage [Member] | Net Mortgage Loans [Member]
Marketable Securities [Line Items]
Mortgage loans during period		91,417,171	90,290,776
Residential Construction [Member]
Marketable Securities [Line Items]
Mortgage loans during period		146,093,947	172,516,125
Mortgage loans, allowance for loan losses		(292,188)	(43,202)	$ (43,202)
Mortgage loans, unamortized deferred loan fees, net		(270,077)	(333,846)
Mortgage loans, unamortized discounts, net
Residential Construction [Member] | Past Due 30 to 59 Days [Member]
Marketable Securities [Line Items]
Mortgage loans during period		1,205,232
Residential Construction [Member] | Past Due 60 to 89 Days [Member]
Marketable Securities [Line Items]
Mortgage loans during period
Residential Construction [Member] | Past Due 90 or More Days [Member]
Marketable Securities [Line Items]
Mortgage loans during period	[1]
Residential Construction [Member] | In Foreclosure [Member]
Marketable Securities [Line Items]
Mortgage loans during period	[1]
Residential Construction [Member] | Total Past Due [Member]
Marketable Securities [Line Items]
Mortgage loans during period		1,205,232
Residential Construction [Member] | Current [Member]
Marketable Securities [Line Items]
Mortgage loans during period		144,888,715	172,516,125
Residential Construction [Member] | Net Mortgage Loans [Member]
Marketable Securities [Line Items]
Mortgage loans during period		$ 145,531,682	$ 172,139,077
[1] Interest income is not recognized on loans past due greater than 90 days or in foreclosure.

X

- Definition

Represents the monetary amount of Mortgage Loans during period, during the indicated time period.

+ References

No definition available.

+ Details

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

X

- Definition

Mortgage loans on real estate and construction discount.

+ References

No definition available.

+ Details

Name:	SNFCA_MortgageLoansOnRealEstateAndConstructionDiscount
Namespace Prefix:	SNFCA_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Mortgage loans on real estate and construction unamortized deferred loan fees net.

+ References

No definition available.

+ Details

Name:	SNFCA_MortgageLoansOnRealEstateAndConstructionUnamortizedDeferredLoanFeesNet
Namespace Prefix:	SNFCA_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(4))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (1)
-Publisher SEC

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (3)
-Publisher SEC

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (c)
-Publisher SEC

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479344/326-20-45-1

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7)(2))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-SubTopic 10
-Topic 310
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-13

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-13

+ Details

Name:	us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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_FinancingReceivablesPeriodPastDueAxis=SNFCA_PastDue30To59DaysMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=SNFCA_PastDue60To89DaysMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=SNFCA_PastDue90OrMoreDaysMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=SNFCA_InForeclosureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=SNFCA_TotalPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=SNFCA_CurrentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=SNFCA_NetMortgageLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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: