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Acquisitions (Narrative) (Details) - USD ($)
$ in Millions
Apr. 22, 2021
Dec. 15, 2020
Apr. 24, 2020
Jan. 01, 2020
Dec. 31, 2019
Cornerstone Financial Services Inc. [Member]          
Business Acquisition [Line Items]          
Business Acquisition, Percentage of Voting Interests Acquired       100.00%  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets         $ 195.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities         $ 176.0
MVB [Member]          
Business Acquisition [Line Items]          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deposits     $ 188.1    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans     $ 35.1    
MVB [Member] | Subsequent Event          
Business Acquisition [Line Items]          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deposits $ 193.0        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans $ 57.0        
Winfirst [Member]          
Business Acquisition [Line Items]          
Business Acquisition, Percentage of Voting Interests Acquired   100.00%      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets   $ 143.0      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities   $ 127.0