XML 34 R18.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Note 9 - Federal Funds Purchased | 12 Months Ended
--- | ---
Dec. 31, 2023
Notes to Financial Statements |
Federal Funds Purchased [Text Block] | NOTE 9. FEDERAL FUNDS PURCHASED At December 31, 2023, the Company had $1.26 billion in federal funds purchased from its correspondent banks that are clients of its correspondent banking unit, compared to $1.35 billion (excludes the Company’s federal funds purchases reported in the next paragraph) at December 31, 2022. Rates paid on these funds were between 5.40% and 5.50% as of December 31, 2023 and 4.40% and 4.50% as of December 31, 2022. At December 31, 2023, the Company had available lines of credit totaling approximately $880.0 million with various financial institutions for borrowing on a short-term basis, compared to $963.0 million at December 31, 2022. The Company had no outstanding borrowings from these lines at December 31, 2023, compared to $265.0 million outstanding borrowings from these lines at December 31, 2022.

X
- Definition The entire disclosure for purchase of federal funds during the period. + References No definition available. + Details
Name: | sfbs_FederalFundsPurchasedTextBlock
Namespace Prefix: | sfbs_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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