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Background and Basis of Presentation (Details)
$ in Millions
9 Months Ended
Sep. 30, 2020
USD ($)
store
segment
Entity Location [Line Items]  
Number of Reportable Segments | segment 1
Gain (Loss) on Disposition of Business | $ $ 0.7
Deposits Sold | $ $ 25.7
City National  
Entity Location [Line Items]  
Number of Stores 94
WEST VIRGINIA | City National  
Entity Location [Line Items]  
Number of Stores 58
KENTUCKY | City National  
Entity Location [Line Items]  
Number of Stores 19
VIRGINIA | City National  
Entity Location [Line Items]  
Number of Stores 13
OHIO | City National  
Entity Location [Line Items]  
Number of Stores 4