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Segment Reporting (Business Segments Assets) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Segment Reporting Information [Line Items]      
Goodwill $ 66,062 $ 66,062 $ 65,840
Other intangible assets, net 8,861 10,111  
Total assets 4,384,178 4,311,698  
Banking [Member]      
Segment Reporting Information [Line Items]      
Goodwill 48,536 48,536 48,536
Non-Banking [Member]      
Segment Reporting Information [Line Items]      
Goodwill 17,526 17,526 $ 17,304
Operating Segment [Member] | Banking [Member]      
Segment Reporting Information [Line Items]      
Goodwill 48,536 48,536  
Other intangible assets, net 98 213  
Total assets 4,346,615 4,272,439  
Operating Segment [Member] | Non-Banking [Member]      
Segment Reporting Information [Line Items]      
Goodwill 17,526 17,526  
Other intangible assets, net 8,763 9,898  
Total assets 36,733 35,975  
Holding Company and Other [Member]      
Segment Reporting Information [Line Items]      
Total assets $ 830 $ 3,284