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Related Party Transactions (Details) - USD ($) $ / shares in Units, $ in Millions |  | 12 Months Ended
--- | --- | ---
Dec. 14, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Related Party Transaction |  |  |  |
Amount of loans removed due to changes in related parties |  | $ 7.5 |  |
Shares Acquired, Average Cost Per Share | $ 32.14 |  |  |
Payments for Repurchase of Common Stock | $ 32.1 | 34.0 | $ 199.0 | $ 5.4
Executive Officers, Directors, Shareholders Greater than Five Percent, and Related Entities and Individuals to Such Persons [Member] |  |  |  |
Related Party Transaction |  |  |  |
Loans and leases receivable, related parties |  | 11.1 | $ 18.9 |
New loans and advances on existing loans |  | 5.8 |  |
Loan repayments |  | $ 6.1 |  |
Class A Common Stock |  |  |  |
Related Party Transaction |  |  |  |
Shares Acquired | 1,000,000,000,000 |  |  |

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