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FAIR VALUE, Significant Unobservable Inputs (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Other Real Estate Owned [Member] | Fair Value of Collateral [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 1,915 $ 1,966
Other Real Estate Owned [Member] | Fair Value of Collateral [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Estimated cost of disposal/market adjustment 9.00% 9.00%
Other Real Estate Owned [Member] | Fair Value of Collateral [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Estimated cost of disposal/market adjustment 99.00% 97.00%
Other Real Estate Owned [Member] | Fair Value of Collateral [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Estimated cost of disposal/market adjustment 38.50% 29.60%
Impaired Loans [Member] | Fair Value of Collateral [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value   $ 633
Impaired Loans [Member] | Fair Value of Collateral [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Estimated cost of disposal/market adjustment   15.00%
Impaired Loans [Member] | Fair Value of Collateral [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Estimated cost of disposal/market adjustment   50.00%
Impaired Loans [Member] | Fair Value of Collateral [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Estimated cost of disposal/market adjustment   36.50%
Commitments to Originate Real Estate Loans for Sale [Member] | Discounted Cash Flow [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 89 $ 54
Embedded servicing value 1.00% 1.00%