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v3.22.2.2

Regulatory Matters (Regulatory Capital Levels) (Details) $ in Thousands | Sep. 30, 2022 USD ($) | Dec. 31, 2021 USD ($)
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SmartFinancial, Inc. [Member] |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Total Capital (to Risk-Weighted Assets), Actual Amount | $ 412,647 | $ 386,627
Tier 1 Capital (to Risk-Weighted Assets), Actual Amount | 347,884 | 325,345
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Actual Amount | 347,884 | 325,345
Tier 1 Capital (to Average Assets), Actual Amount | $ 347,884 | $ 325,345
Total Capital (to Risk-Weighted Assets), Actual Ratio (as a percent) | 0.1144 | 0.1255
Tier 1 Capital (to Risk-Weighted Assets), Actual Ratio (as a percent) | 0.0965 | 0.1056
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Actual Ration (as percent) | 0.0965 | 0.1056
Tier 1 Capital (to Average Assets), Actual Ratio (as a percent) | 0.0740 | 0.0745
Total Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Amount | $ 288,445 | $ 246,483
Tier 1 Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Amount | 216,334 | 184,862
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Amount | 162,250 | 138,647
Tier 1 Capital (to Average Assets), Minimum for capital adequacy purposes Amount | $ 188,070 | $ 174,578
Total Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Ratio (as a percent) | 0.0800 | 0.0800
Tier 1 Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Ratio (as a percent) | 0.0600 | 0.0600
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Ratio (as a percent) | 0.0450 | 0.0450
Tier 1 Capital (to Average Assets), Minimum for capital adequacy purposes Ratio (as a percent) | 0.0400 | 0.0400
Smart Bank [Member] |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Total Capital (to Risk-Weighted Assets), Actual Amount | $ 411,529 | $ 378,055
Tier 1 Capital (to Risk-Weighted Assets), Actual Amount | 388,760 | 358,703
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Actual Amount | 388,760 | 358,703
Tier 1 Capital (to Average Assets), Actual Amount | $ 388,760 | $ 358,703
Total Capital (to Risk-Weighted Assets), Actual Ratio (as a percent) | 0.1141 | 0.1229
Tier 1 Capital (to Risk-Weighted Assets), Actual Ratio (as a percent) | 0.1078 | 0.1166
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Actual Ration (as percent) | 0.1078 | 0.1166
Tier 1 Capital (to Average Assets), Actual Ratio (as a percent) | 0.0827 | 0.0823
Total Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Amount | $ 288,523 | $ 246,053
Tier 1 Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Amount | 216,392 | 184,539
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Amount | 162,294 | 138,405
Tier 1 Capital (to Average Assets), Minimum for capital adequacy purposes Amount | $ 188,071 | $ 174,384
Total Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Ratio (as a percent) | 0.0800 | 0.0800
Tier 1 Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Ratio (as a percent) | 0.0600 | 0.0600
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Ratio (as a percent) | 0.0450 | 0.0450
Tier 1 Capital (to Average Assets), Minimum for capital adequacy purposes Ratio (as a percent) | 0.0400 | 0.0400
Total Capital (to Risk-Weighted Assets), Minimum to be well capitalized under prompt corrective action provisions Amount | $ 360,653 | $ 307,566
Tier 1 Capital (to Risk-Weighted Assets), Minimum to be well capitalized under prompt corrective action provisions Amount | 288,523 | 246,053
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Minimum to be well capitalized under prompt corrective action provisions Amount | 234,425 | 199,918
Tier 1 Capital (to Average Assets), Minimum to be well capitalized under prompt corrective action provisions Amount | $ 235,089 | $ 217,980
Total Capital (to Risk-Weighted Assets), Minimum to be well capitalized under prompt corrective action provisions Ratio (as a percent) | 0.1000 | 0.1000
Tier 1 Capital (to Risk-Weighted Assets), Minimum to be well capitalized under prompt corrective action provisions Ratio (as a percent) | 0.0800 | 0.0800
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Minimum to be well capitalized under prompt corrective action provisions Ratio (as a percent) | 0.0650 | 0.0650
Tier 1 Capital (to Average Assets), Minimum to be well capitalized under prompt corrective action provisions Ratio (as a percent) | 0.0500 | 0.0500

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