XML 43 R31.htm IDEA: XBRL DOCUMENT v3.21.2

Schedule of Investments (Details) - USD ($)

9 Months Ended

12 Months Ended

Sep. 30, 2021

Dec. 31, 2020

Marketable Securities [Line Items]

Available for sale securities, Amortized Cost

$ 238,809,528

$ 265,150,484

Available for sale securities, Unrecognized Holding Gain

26,517,780

30,456,040

Available for sale securities, Unrecognized Holding Loss

(482,366)

(949,845)

Available for sale securities, Estimated fair value

264,844,942

294,656,679

Available-for-sale Securities, Amortized Cost Basis

238,809,528

265,150,484

Mortgage loans on real estate and construction

307,390,481

249,343,936

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

(1,013,925)

(1,161,132)

Mortgage loans on real estate and construction, allowance for losses

(1,753,853)

(2,005,127)

Mortgage loans on real estate and construction, Discount

(503,619)

(1,260,896)

Real estate held for investment, net of depreciation

189,610,360

131,684,453

Real estate held for sale

6,081,155

7,878,807

Policy loans

13,699,414

14,171,589

Insurance assignments

53,417,350

53,231,131

Federal Home Loan Bank stock

3,105,100

^[1]

2,506,600

^[2]

Other investments

5,188,801

5,432,816

Allowance for doubtful accounts

(1,795,037)

(1,645,475)

Total policy loans and other investments

73,615,628

73,696,661

Accrued investment income

5,386,756

5,360,523

Total investments

857,659,066

773,945,298

US Treasury Securities [Member]

Marketable Securities [Line Items]

Available for sale securities, Amortized Cost

22,284,283

42,381,805

Available for sale securities, Unrecognized Holding Gain

794,130

1,358,562

Available for sale securities, Unrecognized Holding Loss

Available for sale securities, Estimated fair value

23,078,413

43,740,367

US States and Political Subdivisions Debt Securities [Member]

Marketable Securities [Line Items]

Available for sale securities, Amortized Cost

5,077,822

5,383,762

Available for sale securities, Unrecognized Holding Gain

229,814

312,214

Available for sale securities, Unrecognized Holding Loss

(5,226)

(1,261)

Available for sale securities, Estimated fair value

5,302,410

5,694,715

Corporate Debt Securities [Member]

Marketable Securities [Line Items]

Available for sale securities, Amortized Cost

174,862,169

186,067,912

Available for sale securities, Unrecognized Holding Gain

24,331,635

27,216,496

Available for sale securities, Unrecognized Holding Loss

(291,388)

(681,478)

Available for sale securities, Estimated fair value

198,902,416

212,602,930

Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]

Marketable Securities [Line Items]

Available for sale securities, Amortized Cost

36,316,313

31,047,791

Available for sale securities, Unrecognized Holding Gain

1,148,676

1,565,377

Available for sale securities, Unrecognized Holding Loss

(185,752)

(267,106)

Available for sale securities, Estimated fair value

37,279,237

32,346,062

Redeemable Preferred Stock [Member]

Marketable Securities [Line Items]

Available for sale securities, Amortized Cost

268,941

269,214

Available for sale securities, Unrecognized Holding Gain

13,525

3,391

Available for sale securities, Unrecognized Holding Loss

Available for sale securities, Estimated fair value

282,466

272,605

Industrial, miscellaneous and all other

Marketable Securities [Line Items]

Available-for-sale Securities, Amortized Cost Basis

8,198,282

9,698,490

Available-for-sale Securities, Gross Unrealized Gain

2,885,061

2,376,156

Available For Sale Securities - Gross Unrealized Losses

(353,599)

(750,407)

Available for Sale Securities - Estimated Fair Value

10,729,744

11,324,239

Equity Securities

Marketable Securities [Line Items]

Available-for-sale Securities, Amortized Cost Basis

8,198,282

9,698,490

Available-for-sale Securities, Gross Unrealized Gain

2,885,061

2,376,156

Available For Sale Securities - Gross Unrealized Losses

(353,599)

(750,407)

Available for Sale Securities - Estimated Fair Value

10,729,744

11,324,239

Residential Mortgage [Member]

Marketable Securities [Line Items]

Mortgage loans on real estate and construction

89,544,581

95,822,448

Real estate held for investment, net of depreciation

46,606,702

24,843,743

Real estate held for sale

1,190,602

3,478,254

Residential Construction [Member]

Marketable Securities [Line Items]

Mortgage loans on real estate and construction

169,030,287

111,111,777

Commercial

Marketable Securities [Line Items]

Mortgage loans on real estate and construction

52,087,010

46,836,866

Real estate held for investment, net of depreciation

143,003,658

106,840,710

Real estate held for sale

$ 4,890,553

$ 4,400,553

[1]	Includes $905,700 of Membership stock and $2,199,440 of Activity stock due to short-term borrowings.
[2]	Includes $866,900 of Membership stock and $1,639,700 of Activity stock due to short-term borrowings.

X

- Definition

Represents the monetary amount of Allowance for doubtful accounts, as of the indicated date.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

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

X

- Definition

Represents the monetary amount of Available for Sale Securities - Estimated Fair Value, as of the indicated date.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

Name:	SNFCA_AvailableForSaleSecuritiesUnrecognizedHoldingGain
Namespace Prefix:	SNFCA_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

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

X

- Definition

Represents the monetary amount of Federal Home Loan Bank stock, as of the indicated date.

+ References

No definition available.

+ Details

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

X

- Definition

Represents the monetary amount of Insurance assignments, as of the indicated date.

+ References

No definition available.

+ Details

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

X

- Definition

Represents the monetary amount of Mortgage loans on real estate and construction, as of the indicated date.

+ References

No definition available.

+ Details

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

X

- Definition

Represents the monetary amount of Mortgage loans on real estate and construction, as of the indicated date.

+ References

No definition available.

+ Details

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

X

- Definition

Represents the monetary amount of Mortgage loans on real estate and construction, Discount, as of the indicated date.

+ References

No definition available.

+ Details

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

X

- Definition

Represents the monetary amount of Mortgage loans on real estate and construction, unamortized deferred loan fees, net, as of the indicated date.

+ References

No definition available.

+ Details

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

X

- Definition

Represents the monetary amount of Other investments, as of the indicated date.

+ References

No definition available.

+ Details

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

X

- Definition

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

+ References

No definition available.

+ Details

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

X

- Definition

Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(4))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

+ Details

Name:	us-gaap_AccruedInvestmentIncomeReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of unrealized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedGain
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all investments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(h))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

Name:	us-gaap_Investments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount, after valuation allowance, of financing receivable held for sale and not part of disposal group. Excludes loan covered under loss sharing agreement and loan classified as investment in debt security.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=124265262&loc=d3e48678-111004

+ Details

Name:	us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup
Namespace Prefix:	us-gaap_
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

- Definition

Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(f))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

Name:	us-gaap_RealEstateHeldforsale
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of real estate investments, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; (7) other real estate investments; (8) real estate joint ventures; and (9) unconsolidated real estate and other joint ventures not separately presented.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(d))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

Name:	us-gaap_RealEstateInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=SNFCA_EquitySecurities1Member
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:	us-gaap_FinancialInstrumentAxis=SNFCA_CommercialMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: