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Securities (Narrative) (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
security
Jun. 30, 2021
USD ($)
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]      
Securities evaluated for other than temporary impairment   117  
Proceeds from Sale of Available-for-sale Securities | $ $ 0 $ 0 $ 0
Publicly traded domestic corporations [Member]      
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]      
Securities evaluated for other than temporary impairment   10  
US Agency Obligations [Member]      
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]      
Securities evaluated for other than temporary impairment   56  
Municipals [Member]      
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]      
Securities evaluated for other than temporary impairment   51  
Non-rated [Member]      
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]      
Securities evaluated for other than temporary impairment   1  
S&P Rated AAA [Member]      
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]      
Securities evaluated for other than temporary impairment   46  
S&P Rated AA [Member]      
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]      
Securities evaluated for other than temporary impairment   63  
S&P Rated A [Member]      
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]      
Securities evaluated for other than temporary impairment   6  
S&P Rated BBB [Member]      
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]      
Securities evaluated for other than temporary impairment   1