XML 34 R23.htm IDEA: XBRL DOCUMENT
v3.25.1

Leases (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2025
Leases |
Schedule of operating lease payments |
Schedule of operating lease payments |  |  |
(dollars in thousands) |  | Operating Leases |
2025 |  | $ | 1,620 |
2026 |  |  | 2,210 |
2027 |  |  | 2,267 |
2028 |  |  | 2,015 |
2029 |  |  | 1,501 |
Thereafter |  |  | 18,686 |
Total undiscounted lease payments |  |  | 28,299 |
Discount effect of cash flows |  |  | 5,446 |
Total lease liability |  | $ | 22,853 |

X
- References No definition available. + Details
Name: | SFST_DisclosureLeasesAbstract
Namespace Prefix: | SFST_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-6 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration