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Regulatory Matters (Narrative) (Details) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 $ / shares | Sep. 30, 2024 $ / shares | Sep. 30, 2025 USD ($) $ / shares | Sep. 30, 2024 $ / shares | Jan. 31, 2019
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |  |  |
Common stock dividends, amount per share | $ / shares | $ 0.08 | $ 0.08 | $ 0.24 | $ 0.24 |
Proceeds from subordinated debt issuance contributed to SmartBank | $ |  |  | $ 45.0 |  |
Additional Tier 1 common equity to risk-weighted assets requirement for compliance with capital conservation buffer |  |  |  |  | 0.025
Ordinary Dividends Q3 2025 |  |  |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |  |  |
Common stock dividends paid | $ |  |  | $ 8.0 |  |
Common stock dividends, amount per share | $ / shares |  |  | $ 0.08 |  |

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