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Allowance for Loan Losses (Details 2) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Recorded Investment $ 657 $ 674
Related Allowance 507 527
Unpaid Principal Balance 718 726
Commercial [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Recorded Investment 484 496
Unpaid Principal Balance 511 517
Commercial loans secured by real estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Recorded Investment 173 178
Unpaid Principal Balance 207 209
Impaired Loans with Specific Allowance [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Recorded Investment 641 658
Related Allowance 507 527
Impaired Loans with Specific Allowance [Member] | Commercial [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Recorded Investment 484 496
Related Allowance 484 496
Impaired Loans with Specific Allowance [Member] | Commercial loans secured by real estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Recorded Investment 157 162
Related Allowance 23 31
Impaired Loans with No Specific Allowance [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Recorded Investment 16 16
Impaired Loans with No Specific Allowance [Member] | Commercial [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Recorded Investment 0 0
Impaired Loans with No Specific Allowance [Member] | Commercial loans secured by real estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Recorded Investment $ 16 $ 16