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Premises and Equipment (Schedule of Premises and Equipment) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]    
Premises and equipment, gross $ 165,531 $ 160,566
Less: accumulated depreciation and amortization (73,407) (76,780)
Total premises and equipment, net 92,124 83,786
Land    
Property, Plant and Equipment [Line Items]    
Premises and equipment, gross $ 4,080 4,363
Buildings and improvements    
Property, Plant and Equipment [Line Items]    
Useful Life (Years) 40 years  
Premises and equipment, gross $ 77,988 75,974
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Premises and equipment, gross $ 20,929 22,439
Leasehold improvements | Minimum    
Property, Plant and Equipment [Line Items]    
Useful Life (Years) 5 years  
Leasehold improvements | Maximum    
Property, Plant and Equipment [Line Items]    
Useful Life (Years) 10 years  
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Premises and equipment, gross $ 19,378 17,517
Furniture and fixtures | Minimum    
Property, Plant and Equipment [Line Items]    
Useful Life (Years) 3 years  
Furniture and fixtures | Maximum    
Property, Plant and Equipment [Line Items]    
Useful Life (Years) 7 years  
Information technology and other    
Property, Plant and Equipment [Line Items]    
Premises and equipment, gross $ 43,156 $ 40,273
Information technology and other | Minimum    
Property, Plant and Equipment [Line Items]    
Useful Life (Years) 3 years  
Information technology and other | Maximum    
Property, Plant and Equipment [Line Items]    
Useful Life (Years) 7 years