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Disclosures about Fair Value of Assets and Liabilities (Schedule of Level 3 Fair Value Measurements) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Collateral-dependent impaired loans $ 1,053 $ 292
Foreclosed assets $ 2 $ 5
Collateral-dependent impaired loans [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Valuation Technique
Market Comparable Properties and specialized equipment discounts
Market Comparable Properties, less delinquent real estate taxes
Unobservable Input discounts  
Range (Weighted Average) 25%  
Foreclosed assets [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Valuation Technique
Expected selling price
Agreed upon selling price
Unobservable Input Selling Costs Selling Costs
Range (Weighted Average) 10% 10%