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Loans Receivable and Allowance for Loan Losses (Summary of Amount of Loans in Each Category that were Individually and Collectively Evaluated for Impairment) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Individually evaluated for impairment $ 2,144 $ 1,319
Loans acquired with deteriorated credit quality 696 886
Collectively evaluated for impairment 921,836 848,097
Total Loans 924,676 850,302
Residential Real Estate Loans [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans acquired with deteriorated credit quality 476 630
Collectively evaluated for impairment 229,305 234,893
Total Loans 229,781 235,523
Commercial Real Estate Loans [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Individually evaluated for impairment 2,144 1,319
Loans acquired with deteriorated credit quality 220 256
Collectively evaluated for impairment 388,963 373,215
Total Loans 391,327 374,790
Construction Real Estate Loans [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Collectively evaluated for impairment 17,732 17,445
Total Loans 17,732 17,445
Commercial [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Collectively evaluated for impairment 134,150 110,542
Total Loans 134,150 110,542
Consumer Loans To Individuals [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Collectively evaluated for impairment 151,686 112,002
Total Loans $ 151,686 $ 112,002