XML 66 R54.htm IDEA: XBRL DOCUMENT
v3.22.1

Schedule of Investments (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Marketable Securities [Line Items] |  |  |  |
Available for sale securities, amortized cost | $ 236,303,310 |  | $ 265,150,484 |
Available for sale securities, unrecognized holding gain | 23,501,282 |  | 30,456,040 |
Available for sale securities, unrecognized holding loss | (516,989) |  | (949,845) |
Available for sale securities, Estimated fair value | 259,287,603 |  | 294,656,679 |
Available-for-sale securities, amortized cost basis | 8,275,772 |  | 9,698,490 |
Available for Sale Securities - Estimated Fair Value | 11,596,414 |  | 11,324,239 |
Mortgage loans on real estate and construction | 277,306,046 |  | 249,343,936 |
Mortgage loans on real estate and construction, unamortized deferred loan fees, net | (918,586) |  | 1,161,132 |
Mortgage loans on real estate and construction, allowance for losses | (1,699,902) |  | (2,005,127) |
Mortgage loans on real estate and construction, Discount | (409,983) |  | (1,260,896) |
Real estate held for investment, net of depreciation | 197,365,797 |  | 131,684,453 |
Real estate held for sale | 3,731,300 |  | 7,878,807 |
Policy loans | 13,478,214 |  | 14,171,589 |
Insurance assignments | 48,632,808 |  | 53,231,131 |
Federal home loan bank stock | 2,547,100 | [1] | 2,506,600 | [2]
Other investments | 4,983,251 |  | 5,432,816 |
Allowance for doubtful accounts | (1,686,218) |  | (1,645,475) |
Total policy loans and other investments | 67,955,155 |  | 73,696,661 |
Accrued investment income | 6,313,012 |  | 5,360,523 |
Total investments | 823,555,327 |  | 773,945,298 |
Mortgage loans on real estate and construction, unamortized deferred loan fees, net | 918,586 |  | (1,161,132) |
US Treasury Securities [Member] |  |  |  |
Marketable Securities [Line Items] |  |  |  |
Available for sale securities, amortized cost | 22,307,736 |  | 42,381,805 |
Available for sale securities, unrecognized holding gain | 578,567 |  | 1,358,562 |
Available for sale securities, unrecognized holding loss |  |  |  |
Available for sale securities, Estimated fair value | 22,886,303 |  | 43,740,367 |
US States and Political Subdivisions Debt Securities [Member] |  |  |  |
Marketable Securities [Line Items] |  |  |  |
Available for sale securities, amortized cost | 4,649,917 |  | 5,383,762 |
Available for sale securities, unrecognized holding gain | 212,803 |  | 312,214 |
Available for sale securities, unrecognized holding loss | (1,989) |  | (1,261) |
Available for sale securities, Estimated fair value | 4,860,731 |  | 5,694,715 |
Corporate Debt Securities [Member] |  |  |  |
Marketable Securities [Line Items] |  |  |  |
Available for sale securities, amortized cost | 174,711,061 |  | 186,067,912 |
Available for sale securities, unrecognized holding gain | 21,791,370 |  | 27,216,496 |
Available for sale securities, unrecognized holding loss | (353,668) |  | (681,478) |
Available for sale securities, Estimated fair value | 196,148,763 |  | 212,602,930 |
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |  |  |
Marketable Securities [Line Items] |  |  |  |
Available for sale securities, amortized cost | 34,365,382 |  | 31,047,791 |
Available for sale securities, unrecognized holding gain | 905,159 |  | 1,565,377 |
Available for sale securities, unrecognized holding loss | (161,332) |  | (267,106) |
Available for sale securities, Estimated fair value | 35,109,209 |  | 32,346,062 |
Redeemable Preferred Stock [Member] |  |  |  |
Marketable Securities [Line Items] |  |  |  |
Available for sale securities, amortized cost | 269,214 |  | 269,214 |
Available for sale securities, unrecognized holding gain | 13,383 |  | 3,391 |
Available for sale securities, unrecognized holding loss |  |  |  |
Available for sale securities, Estimated fair value | 282,597 |  | 272,605 |
Industrial Miscellaneous And All Other [Member] |  |  |  |
Marketable Securities [Line Items] |  |  |  |
Available-for-sale securities, amortized cost basis | 8,275,772 |  | 9,698,490 |
Available for sale securities, unrecognized holding gain | 3,626,444 |  | 2,376,156 |
Available for sale securities, unrecognized holding gain | (305,802) |  | (750,407) |
Available for Sale Securities - Estimated Fair Value | 11,596,414 |  | 11,324,239 |
Equity Securities One [Member] |  |  |  |
Marketable Securities [Line Items] |  |  |  |
Available-for-sale securities, amortized cost basis | 8,275,772 |  |  |
Available for sale securities, unrecognized holding gain | 3,626,444 |  |  |
Available for sale securities, unrecognized holding gain | (305,802) |  |  |
Available for Sale Securities - Estimated Fair Value | 11,596,414 |  |  |
Residential Mortgage [Member] |  |  |  |
Marketable Securities [Line Items] |  |  |  |
Mortgage loans on real estate and construction | 53,533,712 |  | 95,822,448 |
Real estate held for investment, net of depreciation | 41,972,462 |  | 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 | 175,117,783 |  | 111,111,777 |
Commercial [Member] |  |  |  |
Marketable Securities [Line Items] |  |  |  |
Mortgage loans on real estate and construction | 51,683,022 |  | 46,836,866 |
Real estate held for investment, net of depreciation | 155,393,335 |  | 106,840,710 |
Real estate held for sale | $ 2,540,698 |  | 4,400,553 |
Equity Securities 1 [Member] |  |  |  |
Marketable Securities [Line Items] |  |  |  |
Available-for-sale securities, amortized cost basis |  |  | 9,698,490 |
Available for sale securities, unrecognized holding gain |  |  | 2,376,156 |
Available for sale securities, unrecognized holding gain |  |  | (750,407) |
Available for Sale Securities - Estimated Fair Value |  |  | $ 11,324,239 |
[1] | Includes $905,700 of Membership stock and $1,641,400 of Activity stock due to short-term advances and letters of credit.
[2] | Includes $866,900 of Membership stock and $1,639,700 of Activity stock due to short-term advances and letters of credit.

X
- Definition Allowance for doubtful accounts. + References No definition available. + Details
Name: | SNFCA_AllowanceForDoubtfulAccounts
Namespace Prefix: | SNFCA_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Federal home loan bank stock amortized cost. + References No definition available. + Details
Name: | SNFCA_FederalHomeLoanBankStockAmortizedCost
Namespace Prefix: | SNFCA_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Insurance assignments amortized cost. + References No definition available. + Details
Name: | SNFCA_InsuranceAssignmentsAmortizedCost
Namespace Prefix: | SNFCA_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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 Other investments amortized cost. + References No definition available. + Details
Name: | SNFCA_OtherInvestmentsAmortizedCost
Namespace Prefix: | SNFCA_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Policy and other loans receivable net1. + References No definition available. + Details
Name: | SNFCA_PolicyAndOtherLoansReceivableNet1
Namespace Prefix: | SNFCA_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Policy loans amortized cost. + 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 The reserve to cover probable credit losses related to specifically identified fixed maturity real estate loans as well as probable credit losses inherent in the remainder of that loan portfolio. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123605502&loc=d3e21338-158488 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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 Amount of unrealized loss 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 (c) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current. + References Reference 1: 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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124260329&loc=d3e26626-111562 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=123594786&loc=SL75136599-209740 + Details
Name: | us-gaap_EquitySecuritiesFvNi
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value. + References No definition available. + Details
Name: | us-gaap_EquitySecuritiesFvNiCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unrealized gain on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117546-209714 + Details
Name: | us-gaap_EquitySecuritiesFvNiUnrealizedGain
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of unrealized loss on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117546-209714 + Details
Name: | us-gaap_EquitySecuritiesFvNiUnrealizedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 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 The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio. + 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(c)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
Name: | us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_EquitySecuritiesOneMember
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: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=SNFCA_EquitySecurities1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |