XML 65 R51.htm IDEA: XBRL DOCUMENT v3.24.0.1

Mortgage Loans Held for Sale (Details Narrative) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Mortgage Loans Held For Sale
Mortgage loans held for sale, fair value	$ 7,200	$ 3,900

X

- References

No definition available.

+ Details

Name:	SFST_DisclosureMortgageLoansHeldForSaleAbstract
Namespace Prefix:	SFST_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value portion of mortgage loans held-for-sale.

+ References

No definition available.

+ Details

Name:	us-gaap_MortgagesHeldForSaleFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant