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Loans And Allowance for Credit Losses (Collateral-Dependent Loans) (Details) - Commercial Portfolio Segment [Member] - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Credit Quality Indicator [Line Items]    
Total $ 3,122 $ 4,063
Business    
Credit Quality Indicator [Line Items]    
Business 3,122 4,063
Business Assets    
Credit Quality Indicator [Line Items]    
Total 1,156 1,604
Business Assets | Business    
Credit Quality Indicator [Line Items]    
Business 1,156 1,604
Oil & Gas Assets    
Credit Quality Indicator [Line Items]    
Total 1,966 2,459
Oil & Gas Assets | Business    
Credit Quality Indicator [Line Items]    
Business $ 1,966 $ 2,459