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FAIR VALUE, Significant Unobservable Inputs (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Other Real Estate Owned [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 2,486 $ 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 2.30% 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 96.00% 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 35.40% 29.60%
Impaired Loans [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 535 $ 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 9.00% 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 43.00% 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 26.00% 36.50%
Commitments To Originate Real Estate Loans For Sale [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 114 $ 54
Commitments To Originate Real Estate Loans For Sale [Member] | Discounted Cash Flow [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Embedded servicing value 1.00% 1.00%