XML 61 R50.htm IDEA: XBRL DOCUMENT
v3.23.1

Schedule of Allowance for Loan Losses (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Marketable Securities [Line Items] |  |  |
Financing receivable, allowance for credit loss, beginning balance |  | $ 1,970,311 | $ 1,699,902
Cumulative effect adjustment upon adoption of new accounting standard (ASU 2016-13) | [1] | 665,030 |
Allowance for credit losses, provision | [2] | 100,078 | 270,409
Allowance for credit losses, charge-offs |  |  |
Financing receivable, allowance for credit loss, ending balance |  | 2,735,419 | 1,970,311
Commercial Loan [Member] |  |  |
Marketable Securities [Line Items] |  |  |
Financing receivable, allowance for credit loss, beginning balance |  | 187,129 | 187,129
Cumulative effect adjustment upon adoption of new accounting standard (ASU 2016-13) | [1] | 555,807 |
Allowance for credit losses, provision | [2] | 15,195 |
Allowance for credit losses, charge-offs |  |  |
Financing receivable, allowance for credit loss, ending balance |  | 758,131 | 187,129
Residential Mortgage [Member] |  |  |
Marketable Securities [Line Items] |  |  |
Financing receivable, allowance for credit loss, beginning balance |  | 1,739,980 | 1,469,571
Cumulative effect adjustment upon adoption of new accounting standard (ASU 2016-13) | [1] | (192,607) |
Allowance for credit losses, provision | [2] | 137,727 | 270,409
Allowance for credit losses, charge-offs |  |  |
Financing receivable, allowance for credit loss, ending balance |  | 1,685,100 | 1,739,980
Residential Construction [Member] |  |  |
Marketable Securities [Line Items] |  |  |
Financing receivable, allowance for credit loss, beginning balance |  | 43,202 | 43,202
Cumulative effect adjustment upon adoption of new accounting standard (ASU 2016-13) | [1] | 301,830 |
Allowance for credit losses, provision | [2] | (52,844) |
Allowance for credit losses, charge-offs |  |  |
Financing receivable, allowance for credit loss, ending balance |  | $ 292,188 | $ 43,202
[1] | See Note 2 of the notes to the condensed consolidated financial statements
[2] | Included in other expenses on the condensed consolidated statements of earnings

X
- Definition Represents the monetary amount of Allowance for credit losses, Charge-offs, during the indicated time period. + References No definition available. + Details
Name: | SNFCA_AllowanceForCreditLossesChargeOffs
Namespace Prefix: | SNFCA_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Allowance for credit losses cumulative effect adjustment up on adoption of new accounting standard. + References No definition available. + Details
Name: | SNFCA_AllowanceForCreditLossesCumulativeEffectAdjustmentUponAdoptionOfNewAccountingStandard
Namespace Prefix: | SNFCA_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the monetary amount of Allowance for Credit Losses, Provision, during the indicated time period. + References No definition available. + Details
Name: | SNFCA_AllowanceForCreditLossesProvision
Namespace Prefix: | SNFCA_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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_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: |