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Fair Value (Details Textual)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2019
USD ($)
Dec. 31, 2018
USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Valuation allowance for impaired loans $ 33 $ 737
Provision for impaired loan losses   (112)
Other real estate owned 3,717 603
Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair Value 120 1,639
Valuation allowance for impaired loans $ 33 $ 737
Fair Value Measurements Unobservable Inputs Discount rate for age of appraisal and market conditions Discount rate for age of appraisal and market conditions
Other Real Estate [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Real estate, other deductions $ 97 $ 598
Other Real Estate [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair Value 3,717 603
Other real estate owned $ 3,700 $ 600
Fair Value Measurements Unobservable Inputs Discount rate for age of appraisal and market conditions Discount rate for age of appraisal and market conditions
State and Municipal Obligation [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair Value $ 2,565 $ 3,135
Fair Value Measurements Unobservable Inputs Discount rate Probability of default Discount rate Probability of default
Commercial Real Estate [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair Value $ 3,500 $ 200
Residential Real Estate [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair Value $ 207 $ 432
Measurement Input, Discount Rate [Member] | Minimum [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Other Real Estate, measurement input 0.00  
Measurement Input, Discount Rate [Member] | Minimum [Member] | Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Impaired loans, measurement input 0.0000 0.0000
Measurement Input, Discount Rate [Member] | Minimum [Member] | Other Real Estate [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Other Real Estate, measurement input 0.0500 0.0500
Measurement Input, Discount Rate [Member] | Minimum [Member] | State and Municipal Obligation [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
State and Municipal Obligations, measurement input 0.0305 0.0305
Measurement Input, Discount Rate [Member] | Maximum [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Other Real Estate, measurement input 0.50  
Measurement Input, Discount Rate [Member] | Maximum [Member] | Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Impaired loans, measurement input 0.5000 0.5000
Measurement Input, Discount Rate [Member] | Maximum [Member] | Other Real Estate [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Other Real Estate, measurement input 0.2000 0.2000
Measurement Input, Discount Rate [Member] | Maximum [Member] | State and Municipal Obligation [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
State and Municipal Obligations, measurement input 0.0550 0.0550