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Securities (Narrative Disclosures) (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
USD ($)
securities
Dec. 31, 2019
USD ($)
securities
Investments, Debt and Equity Securities [Abstract]    
Number of available-for-sale securities sold 1 69
Securities pledged to secure various obligations | $ $ 73,700 $ 30,300
Available-for-sale securities in unrealized loss positions 14  
Available-for-sale securities in an unrealized loss position, twelve months or greater 1  
Other than temporary impairment on available-for-sale securities | $ $ 0 0
Held-to-maturity securities in unrealized loss positions 2  
Held-to-maturity securities in an unrealized loss position, twelve months or greater 1  
Other than temporary impairment on held-to-maturity securities | $ $ 0 $ 0