XML 124 R108.htm IDEA: XBRL DOCUMENT v3.24.1

Summary of Operating Loss Carryforwards (Details)	Dec. 31, 2023 USD ($)
Operating Loss Carryforwards [Line Items]
Net operating losses and tax credit carryforwards	$ 3,299,431
Year of Expiration 2024 [Member]
Operating Loss Carryforwards [Line Items]
Net operating losses and tax credit carryforwards
Year of Expiration 2025 [Member]
Operating Loss Carryforwards [Line Items]
Net operating losses and tax credit carryforwards
Year of Expiration 2026 [Member]
Operating Loss Carryforwards [Line Items]
Net operating losses and tax credit carryforwards
Year Of Expiration 2027 [Member]
Operating Loss Carryforwards [Line Items]
Net operating losses and tax credit carryforwards
Year of Expiration 2028 [Member]
Operating Loss Carryforwards [Line Items]
Net operating losses and tax credit carryforwards
Year of Expiration Thereafter Up Through 2038 [Member]
Operating Loss Carryforwards [Line Items]
Net operating losses and tax credit carryforwards	903,042
Indefinite Carryforwards [Member]
Operating Loss Carryforwards [Line Items]
Net operating losses and tax credit carryforwards	$ 2,396,389

X

- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates.

+ References

No definition available.

+ Details

Name:	us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration
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_OperatingLossCarryforwardsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_TaxPeriodAxis=SNFCA_YearOfExpiration2024Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TaxPeriodAxis=SNFCA_YearOfExpiration2025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TaxPeriodAxis=SNFCA_YearOfExpiration2026Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TaxPeriodAxis=SNFCA_YearOfExpiration2027Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TaxPeriodAxis=SNFCA_YearOfExpiration2028Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TaxPeriodAxis=SNFCA_YearOfExpirationThereafterUpThrough2038Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TaxPeriodAxis=SNFCA_IndefiniteCarryforwardsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: