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Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Accounting Policies [Line Items] |  |
Other real estate owned | $ 179 | $ 517
Allowance for credit losses | 37,423 | 35,066
Total shareholders' equity attributable to SmartFinancial Inc. and Subsidiary | 491,348 | 459,886
Accrued interest receivables for loans | $ 14,200 | $ 12,500
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] | Other Assets | Other Assets
Allowance for off balance sheet credit | $ 2,500 | $ 2,400
Residential Real Estate [Member] |  |
Accounting Policies [Line Items] |  |
Other real estate owned |  | $ 279

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