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Securities (Narrative) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
security
item
Dec. 31, 2019
USD ($)
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]    
Available-for-sale, Fair Value $ 90,185 $ 59,655
Available-for-sale Securities Pledged as Collateral 31,202 22,307
US Agency Obligations [Member]    
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]    
Available-for-sale, Fair Value 41,320 32,108
Municipals [Member]    
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]    
Available-for-sale, Fair Value 24,773 11,222
Reportable Legal Entities [Member]    
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]    
Available-for-sale, Fair Value 13,313 9,733
Available-for-sale Securities, Gross Realized Gains 644 394
Available-for-sale Securities, Gross Realized Losses $ 0 $ 0
S&P Rated AA [Member] | US Agency Obligations [Member]    
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]    
Number Of Securities Held | item 7  
S&P Rated AA [Member] | Mortgage Backed Securities, Other [Member]    
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]    
Number Of Securities Held | security 2  
S&P Rated A [Member] | Municipals [Member]    
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]    
Number Of Securities Held | item 9