XML 52 R40.htm IDEA: XBRL DOCUMENT v3.20.2

3) Investments: Schedule of Major categories of net investment income (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Gross investment income	$ 18,125,776	$ 13,819,748	$ 51,093,938	$ 41,026,906
Investment Income, Investment Expense	(3,416,634)	(3,341,182)	(10,021,552)	(9,965,837)
Net investment income	14,709,142	10,478,566	41,072,386	31,061,069
Fixed Maturities
Gross investment income	3,191,064	2,563,481	9,258,850	7,596,035
Equity Securities
Gross investment income	126,369	74,629	329,534	227,280
Mortgage Loans Real Estate
Gross investment income	6,918,081	4,558,232	18,154,123	13,187,416
Real Estate
Gross investment income	2,998,806	2,259,064	8,940,072	6,266,286
Policy Student and Other Loans
Gross investment income	264,422	113,541	755,914	308,583
Insurance Assignments
Gross investment income	4,561,574	3,851,804	13,244,176	11,970,755
Other Investments {1}
Gross investment income	0	0	25,421	106,678
Cash and Cash Equivalents
Gross investment income	$ 65,460	$ 398,997	$ 385,848	$ 1,363,873

X

- Definition

Represents the monetary amount of Gross investment income, during the indicated time period.

+ References

No definition available.

+ Details

Name:	snfc_GrossInvestmentIncome
Namespace Prefix:	snfc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of expenses related to the generation of investment income.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.9)
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.2)
-URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263

+ Details

Name:	us-gaap_InvestmentIncomeInvestmentExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount, after investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(2))
-URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263

+ Details

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

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=snfc_FixedMaturities1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=snfc_EquitySecurities1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=snfc_RealEstate1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=snfc_PolicyStudentAndOtherLoansMember
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_OtherInvestments1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=snfc_CashAndCashEquivalents1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: