XML 71 R61.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Schedule of Changes in the Consolidated Balance Sheet Line Items Measured Using Level 3 Inputs (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |
Net Loan Commitments, Beginning | [1] |  |  |  |  | $ 8,563,410 |  |  |
Loans Held for Sale, Beginning |  |  |  |  |  | 302,776,827 |  |  |
Fixed Maturity Securities Available for Sale, Beginning |  |  |  |  |  | 259,287,603 |  |  |
Net Loan Commitments, Ending | [2] | $ 5,922,415 |  |  |  | 5,922,415 |  |  |
Loans Held for Sale, Ending |  | 161,981,923 |  |  |  | 161,981,923 |  |  |
Fixed Maturity Securities Available for Sale, Ending |  | 320,806,385 |  |  |  | 320,806,385 |  |  |
Net Derivatives Loan Commitments [Member] |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |
Net Loan Commitments, Beginning |  | 7,443,642 |  | $ 9,960,213 |  | 7,015,515 |  | $ 10,128,610 |
Originations and purchases |  |  |  |  |  |  |  |  |
Sales, maturities and paydowns |  |  |  |  |  |  |  |  |
Transfer to mortgage loans held for investment |  |  |  |  |  |  |  |  |
Total gains (losses) included in earnings |  | (3,271,282) | [3] | (380,696) | [4] | (2,843,155) | [5] | (549,093) | [6]
Total gains (losses) included in other comprehensive income |  |  |  |  |  |  |  |  |
Net Loan Commitments, Ending |  | 4,172,360 |  | 9,579,517 |  | 4,172,360 |  | 9,579,517 |
Loans Held For Sale [Member] |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |
Loans Held for Sale, Beginning |  | 209,860,409 |  | 296,728,086 |  | 302,776,827 |  | 422,772,418 |
Originations and purchases |  | 787,389,868 |  | 1,432,842,093 |  | 2,837,349,328 |  | 4,243,072,600 |
Sales, maturities and paydowns |  | (800,430,402) |  | (1,459,143,727) |  | (2,987,906,269) |  | (4,484,170,804) |
Transfer to mortgage loans held for investment |  | (49,428,757) |  |  |  | (49,428,757) |  | (201,951) |
Total gains (losses) included in earnings |  | 14,590,805 | [3] | 42,229,391 | [4] | 59,190,794 | [5] | 131,183,580 | [6]
Total gains (losses) included in other comprehensive income |  |  |  |  |  |  |  |  |
Loans Held for Sale, Ending |  | 161,981,923 |  | 312,655,843 |  | 161,981,923 |  | 312,655,843 |
Fixed Maturity Securities Available For Sale 1 [Member] |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |
Fixed Maturity Securities Available for Sale, Beginning |  | 1,962,789 |  | 2,180,828 |  | 2,023,348 |  | 2,201,175 |
Originations and purchases |  |  |  |  |  |  |  |  |
Sales, maturities and paydowns |  | (344,630) |  | (11,550) |  | (368,980) |  | (33,950) |
Transfer to mortgage loans held for investment |  |  |  |  |  |  |  |  |
Total gains (losses) included in earnings |  |  | [7] | 928 | [8] | 1,957 | [9] | 2,729 | [10]
Total gains (losses) included in other comprehensive income |  | 7,039 |  | (119,385) |  | (31,127) |  | (119,133) |
Fixed Maturity Securities Available for Sale, Ending |  | $ 1,625,198 |  | $ 2,050,821 |  | $ 1,625,198 |  | $ 2,050,821 |
[1] | Included in other assets on the consolidated balance sheets
[2] | Included in other assets on the consolidated balance sheets
[3] | As a component of Mortgage fee income on the condensed consolidated statements of earnings
[4] | As a component of Mortgage fee income on the condensed consolidated statements of earnings
[5] | As a component of Mortgage fee income on the condensed consolidated statements of earnings
[6] | As a component of Mortgage fee income on the condensed consolidated statements of earnings
[7] | As a component of Net investment income on the condensed consolidated statements of earnings
[8] | As a component of Net investment income on the condensed consolidated statements of earnings
[9] | As a component of Net investment income on the condensed consolidated statements of earnings
[10] | As a component of Net investment income on the condensed consolidated statements of earnings

X
- Definition Derivatives Interest Rate Lock Commitments. + References No definition available. + Details
Name: | SNFCA_DerivativesInterestRateLockCommitments
Namespace Prefix: | SNFCA_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the monetary amount of Fair Value, Gains (Losses) included in earnings, during the indicated time period. + References No definition available. + Details
Name: | SNFCA_FairValueLossesGainsIncludedInEarnings
Namespace Prefix: | SNFCA_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the monetary amount of Originations, during the indicated time period. + References No definition available. + Details
Name: | SNFCA_Originations
Namespace Prefix: | SNFCA_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the monetary amount of Sales, during the indicated time period. + References No definition available. + Details
Name: | SNFCA_Sales
Namespace Prefix: | SNFCA_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total gains (losses) included in other comprehensive income. + References No definition available. + Details
Name: | SNFCA_TotalGainsLossesIncludedInOtherComprehensiveIncome
Namespace Prefix: | SNFCA_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the monetary amount of Transfer to mortgage loans held for investment, during the indicated time period. + References No definition available. + Details
Name: | SNFCA_TransferToMortgageLoansHeldForInvestment
Namespace Prefix: | SNFCA_
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 https://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 https://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, before valuation allowance, of financing receivable classified as held-for-sale. + 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 https://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 https://asc.fasb.org/extlink&oid=124265262&loc=d3e48678-111004 + Details
Name: | us-gaap_LoansReceivableHeldForSaleAmount
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_SubsidiarySaleOfStockLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=SNFCA_NetDerivativesLoanCommitmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=SNFCA_LoansHeldForSale1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=SNFCA_FixedMaturitySecuritiesAvailableForSale1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |