XML 63 R51.htm IDEA: XBRL DOCUMENT
v3.24.3

Schedule of Real Estate Owned and Occupied by the Company (Details) | Sep. 30, 2024 ft²
--- | ---
Mortgage Operations [Member] |  |
Approximate square footage | 221,000 | [1]
Square footage occupied by the company | 50.00% | [1]
Life Insurance Operations [Member] |  |
Approximate square footage | 12,274 | [2]
Square footage occupied by the company | 100.00% | [2]
Life Insurance Sales [Member] |  |
Approximate square footage | 1,560 | [2],[3]
Square footage occupied by the company | 100.00% | [2],[3]
[1] | Included in real estate held for investment on the condensed consolidated balance sheets
[2] | Included in property and equipment on the condensed consolidated balance sheets
[3] | Listed for sale

X
- Definition Represents the Approximate Square Footage, as of the indicated date. + References No definition available. + Details
Name: | SNFCA_ApproximateSquareFootage
Namespace Prefix: | SNFCA_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the Square Footage Occupied by the Company, as of the indicated date. + References No definition available. + Details
Name: | SNFCA_SquareFootageOccupiedByTheCompany
Namespace Prefix: | SNFCA_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=SNFCA_MortgageOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=SNFCA_LifeInsuranceOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=SNFCA_LifeInsuranceSales1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |