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Revenue from Contracts with Customers - Additional information (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Investment advisory fees    
Disaggregation of Revenue [Line Items]    
Fess earned but not yet received $ 10.7 $ 5.7
Cash Management Fees    
Disaggregation of Revenue [Line Items]    
Fess earned but not yet received 1.6 1.6
Debit Card    
Disaggregation of Revenue [Line Items]    
Fess earned but not yet received $ 0.7 $ 1.2