v3.25.2
Regulatory Matters (Regulatory Capital Levels) (Details)
$ in Thousands
Jun. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
SmartFinancial, Inc.    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Total Capital (to Risk-Weighted Assets), Actual Amount $ 495,344 $ 470,635
Tier 1 Capital (to Risk-Weighted Assets), Actual Amount 433,782 413,616
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Actual Amount 433,782 413,616
Tier 1 Capital (to Average Assets), Actual Amount $ 433,782 $ 413,616
Total Capital (to Risk-Weighted Assets), Actual Ratio (as a percent) 0.1104 0.111
Tier 1 Capital (to Risk-Weighted Assets), Actual Ratio (as a percent) 0.0967 0.0976
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Actual Ration (as percent) 0.0967 0.0976
Tier 1 Capital (to Average Assets), Actual Ratio (as a percent) 0.0825 0.0829
Total Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Amount $ 359,042 $ 339,044
Tier 1 Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Amount 269,281 254,283
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Amount 201,961 190,712
Tier 1 Capital (to Average Assets), Minimum for capital adequacy purposes Amount $ 210,421 $ 199,585
Total Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Ratio (as a percent) 0.08 0.08
Tier 1 Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Ratio (as a percent) 0.06 0.06
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Ratio (as a percent) 0.045 0.045
Tier 1 Capital (to Average Assets), Minimum for capital adequacy purposes Ratio (as a percent) 0.04 0.04
Smart Bank    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Total Capital (to Risk-Weighted Assets), Actual Amount $ 504,645 $ 478,368
Tier 1 Capital (to Risk-Weighted Assets), Actual Amount 466,919 445,159
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Actual Amount 466,919 445,159
Tier 1 Capital (to Average Assets), Actual Amount $ 466,919 $ 445,159
Total Capital (to Risk-Weighted Assets), Actual Ratio (as a percent) 0.1125 0.113
Tier 1 Capital (to Risk-Weighted Assets), Actual Ratio (as a percent) 0.1041 0.1051
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Actual Ration (as percent) 0.1041 0.1051
Tier 1 Capital (to Average Assets), Actual Ratio (as a percent) 0.0888 0.0894
Total Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Amount $ 358,702 $ 338,774
Tier 1 Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Amount 269,026 254,080
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Amount 201,770 190,560
Tier 1 Capital (to Average Assets), Minimum for capital adequacy purposes Amount $ 210,261 $ 199,214
Total Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Ratio (as a percent) 0.08 0.08
Tier 1 Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Ratio (as a percent) 0.06 0.06
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Ratio (as a percent) 0.045 0.045
Tier 1 Capital (to Average Assets), Minimum for capital adequacy purposes Ratio (as a percent) 0.04 0.04
Total Capital (to Risk-Weighted Assets), Minimum to be well capitalized under prompt corrective action provisions Amount $ 448,377 $ 423,467
Tier 1 Capital (to Risk-Weighted Assets), Minimum to be well capitalized under prompt corrective action provisions Amount 358,702 338,774
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Minimum to be well capitalized under prompt corrective action provisions Amount 291,445 275,253
Tier 1 Capital (to Average Assets), Minimum to be well capitalized under prompt corrective action provisions Amount $ 262,827 $ 249,017
Total Capital (to Risk-Weighted Assets), Minimum to be well capitalized under prompt corrective action provisions Ratio (as a percent) 0.10 0.10
Tier 1 Capital (to Risk-Weighted Assets), Minimum to be well capitalized under prompt corrective action provisions Ratio (as a percent) 0.08 0.08
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Minimum to be well capitalized under prompt corrective action provisions Ratio (as a percent) 0.065 0.065
Tier 1 Capital (to Average Assets), Minimum to be well capitalized under prompt corrective action provisions Ratio (as a percent) 0.05 0.05