XML 92 R80.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Derivatives Financial Instruments (Collateral Requirements) (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Derivative Instruments and Hedging Activities Disclosure [Abstract] |  |
Collateral pledged to derivative counterparties | $ 670 | $ 390

X
- Definition Collateral pledged to derivative counterparties. + References No definition available. + Details
Name: | smbk_CollateralPledgedToDerivativeCounterparties
Namespace Prefix: | smbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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