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Summary of Significant Accounting Policies (Nature of Operations and Principles of Consolidation) (Details)
12 Months Ended
Dec. 31, 2021
location
trust
Dec. 31, 2020
Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Number of banking locations (more than) | location 120    
Principles of Consolidation      
Number of wholly owned subsidiaries that are statutory business trusts | trust 6    
Deposit service charges and related fee income | Revenue Benchmark | Customer Concentration Risk      
Disaggregation of Revenue [Abstract]      
Revenue streams, Percent of total non-interest income 35.00%    
Card income | Revenue Benchmark | Customer Concentration Risk      
Disaggregation of Revenue [Abstract]      
Revenue streams, Percent of total non-interest income   29.00%  
Wealth management fees | Revenue Benchmark | Customer Concentration Risk      
Disaggregation of Revenue [Abstract]      
Revenue streams, Percent of total non-interest income     26.00%