XML 77 R65.htm IDEA: XBRL DOCUMENT v3.20.2

8) Fair Value of Financial Instruments: Schedule of Financial Instruments Carried at Other Than Fair Value (Details) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Residential Mortgage
Carrying Value	$ 77,373,490	$ 110,253,678
Estimated Carrying Value	82,076,345	115,320,638
Residential construction
Carrying Value	119,915,615	88,651,967
Estimated Carrying Value	119,915,615	88,651,967
Commercial Loan
Carrying Value	48,320,422	37,788,901
Estimated Carrying Value	47,954,726	39,289,462
Mortgage Loans Net
Carrying Value	245,609,527	236,694,546
Estimated Carrying Value	249,946,686	243,262,067
Policy Loan
Carrying Value	14,234,935	14,762,805
Estimated Carrying Value	14,234,935	14,762,805
Insurance Assignments
Carrying Value	44,256,177	39,614,939
Estimated Carrying Value	44,256,177	39,614,939
Restricted Assets 1
Carrying Value	4,110,252	2,275,756
Estimated Carrying Value	4,110,252	2,289,679
Mortgage Servicing Rights
Carrying Value	28,387,476	17,155,529
Estimated Carrying Value	30,288,406	22,784,571
Bank And Other Loans Payable
Carrying Value	(424,932,007)	(217,572,612)
Estimated Carrying Value	(424,932,007)	(217,572,612)
Policyholder Account Balances
Carrying Value	(44,246,123)	(45,154,180)
Estimated Carrying Value	(41,229,265)	(41,828,469)
Future Policy Benefits Annuities
Carrying Value	(110,638,182)	(113,579,830)
Estimated Carrying Value	(115,049,853)	(117,304,614)
Cemetery Perpetual Care Trust Investments
Carrying Value		524,000
Estimated Carrying Value		536,553
Fair Value, Inputs, Level 1 | Residential Mortgage
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Residential construction
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Commercial Loan
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Mortgage Loans Net
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Policy Loan
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Insurance Assignments
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Restricted Assets 1
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Mortgage Servicing Rights
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Bank And Other Loans Payable
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Policyholder Account Balances
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Future Policy Benefits Annuities
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Cemetery Perpetual Care Trust Investments
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Residential Mortgage
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Residential construction
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Commercial Loan
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Mortgage Loans Net
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Policy Loan
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Insurance Assignments
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Restricted Assets 1
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Mortgage Servicing Rights
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Bank And Other Loans Payable
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Policyholder Account Balances
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Future Policy Benefits Annuities
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Cemetery Perpetual Care Trust Investments
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Fair Value, Inputs, Level 3
Estimated Carrying Value		88,651,967
Fair Value, Inputs, Level 3 | Residential Mortgage
Estimated Carrying Value	82,076,345	115,320,638
Fair Value, Inputs, Level 3 | Residential construction
Estimated Carrying Value	119,915,615
Fair Value, Inputs, Level 3 | Commercial Loan
Estimated Carrying Value	47,954,726	39,289,462
Fair Value, Inputs, Level 3 | Mortgage Loans Net
Estimated Carrying Value	249,946,686	243,262,067
Fair Value, Inputs, Level 3 | Policy Loan
Estimated Carrying Value	14,234,935	14,762,805
Fair Value, Inputs, Level 3 | Insurance Assignments
Estimated Carrying Value	44,256,177	39,614,939
Fair Value, Inputs, Level 3 | Restricted Assets 1
Estimated Carrying Value	4,110,252	2,289,679
Fair Value, Inputs, Level 3 | Mortgage Servicing Rights
Estimated Carrying Value	30,288,406	22,784,571
Fair Value, Inputs, Level 3 | Bank And Other Loans Payable
Estimated Carrying Value	(424,932,007)	(217,572,612)
Fair Value, Inputs, Level 3 | Policyholder Account Balances
Estimated Carrying Value	(41,229,265)	(41,828,469)
Fair Value, Inputs, Level 3 | Future Policy Benefits Annuities
Estimated Carrying Value	$ (115,049,853)	(117,304,614)
Fair Value, Inputs, Level 3 | Cemetery Perpetual Care Trust Investments
Estimated Carrying Value		$ 536,553

X

- Definition

Represents the monetary amount of Carrying Value, as of the indicated date.

+ References

No definition available.

+ Details

Name:	snfc_CarryingValue
Namespace Prefix:	snfc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Represents the monetary amount of Estimated Carrying Value, as of the indicated date.

+ References

No definition available.

+ Details

Name:	snfc_EstimatedCarryingValue
Namespace Prefix:	snfc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

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

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=snfc_ResidentialConstructionMember
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=snfc_MortgageLoansNet1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=snfc_RestrictedAssets1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=snfc_CemeteryPerpetualCareTrustInvestments2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: