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Loan Commitments And Other Related Activities (Narrative) (Details)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Contractual Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]    
Period for commitments and construction loan commitments 60 days  
Construction loans [Member]    
Contractual Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]    
Period for commitments and construction loan commitments 1 year  
Minimum [Member]    
Contractual Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]    
Interest rates for fixed rate loan commitments 2.00% 2.00%
Maturities for fixed rate loan commitments 1 month 1 month
Maximum [Member]    
Contractual Commitments Contingencies And Off Balance Sheet Arrangements [Line Items]    
Interest rates for fixed rate loan commitments 8.00% 6.50%
Maturities for fixed rate loan commitments 30 years 30 years