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Securities (Narrative) (Details)
12 Months Ended
Dec. 31, 2019
USD ($)
security
Dec. 31, 2018
USD ($)
Securities [Abstract]    
Debt securities in unrealized loss position in the less than twelve months category | security 33  
Debt securities in unrealized loss position in the twelve months or more category | security 57  
Impairment of investments $ 0  
Available-for-sale Securities Pledged as Collateral 157,233,000 $ 193,918,000
Gross realized gains 254,000 213,000
Gross realized losses $ 0 $ 0