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Mortgage Servicing Rights (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Mortgage Servicing Rights [Line Items]          
Servicing fees $ 0.9 $ 0.9 $ 2.6 $ 2.5  
Mortgage loans [Member]          
Mortgage Servicing Rights [Line Items]          
Unpaid principal balance of mortgage loans serviced for others $ 1,410.0   $ 1,410.0   $ 1,370.0