Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Dec. 31, 2013
Trade name    
Indefinite-lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets   $ 1.1
Core deposits    
Indefinite-lived Intangible Assets [Line Items]    
Weighted-average amortization period 6 years 1 month 6 days