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Regulatory Matters (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Common stock dividend, per share |  |  |  |  |  |  |  |  | $ 0.32 | $ 0.32 | $ 0.28
O 2024 Q4 Dividends [Member] |  |  |  |  |  |  |  |  |  |  |
Common stock dividend, per share | $ 0.08 |  |  |  |  |  |  |  |  |  |
O 2024 Q3 Dividends [Member] |  |  |  |  |  |  |  |  |  |  |
Common stock dividend, per share |  | $ 0.08 |  |  |  |  |  |  |  |  |
O 2024 Q2 Dividends [Member] |  |  |  |  |  |  |  |  |  |  |
Common stock dividend, per share |  |  | $ 0.08 |  |  |  |  |  |  |  |
O 2024 Q1 Dividends [Member] |  |  |  |  |  |  |  |  |  |  |
Common stock dividend, per share |  |  |  | $ 0.08 |  |  |  |  |  |  |
O 2023 Q4 Dividends [Member] |  |  |  |  |  |  |  |  |  |  |
Common stock dividend, per share |  |  |  |  | $ 0.08 |  |  |  |  |  |
O 2023 Q3 Dividends [Member] |  |  |  |  |  |  |  |  |  |  |
Common stock dividend, per share |  |  |  |  |  | $ 0.08 |  |  |  |  |
O 2023 Q2 Dividends [Member] |  |  |  |  |  |  |  |  |  |  |
Common stock dividend, per share |  |  |  |  |  |  | $ 0.08 |  |  |  |
O 2023 Q1 Dividends [Member] |  |  |  |  |  |  |  |  |  |  |
Common stock dividend, per share |  |  |  |  |  |  |  | $ 0.08 |  |  |
Smart Bank [Member] |  |  |  |  |  |  |  |  |  |  |
Dividends |  |  |  |  |  |  |  |  | $ 22.5 | $ 10.0 |
Smart Bank [Member] | O 2024 Q4 Dividends [Member] |  |  |  |  |  |  |  |  |  |  |
Common stock dividend, per share | $ 0.08 |  |  |  |  |  |  |  |  |  |

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