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FAIR VALUE MEASUREMENTS (Fair Value of Assets Measured on Nonrecurring Basis) (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Impaired loans:    
Fair Value Disclosure Range For Adjusting Value Of Collateral Appraisal Adjustments Impaired Loans 10.00%  
Maximum [Member]    
Impaired loans:    
Fair Value Disclosure Range For Adjusting Value Of Collateral Appraisal Adjustments Impaired Loans   30.00%
Fair Value Disclosure Range For Adjusting Value Of Collateral Liquidation Expense Impaired Loans   10.00%
Fair Value Disclosure Range For Adjusting Value Of Collateral Appraisal Adjustments Other Real Estate Owned 30.00% 30.00%
Fair Value Disclosure Range For Adjusting Value Of Collateral Liquidation Expense Other Real Estate Owned 10.00% 10.00%
Minimum [Member]    
Impaired loans:    
Fair Value Disclosure Range For Adjusting Value Of Collateral Appraisal Adjustments Impaired Loans   20.00%
Fair Value Disclosure Range For Adjusting Value Of Collateral Liquidation Expense Impaired Loans   5.00%
Fair Value Disclosure Range For Adjusting Value Of Collateral Appraisal Adjustments Other Real Estate Owned 20.00% 20.00%
Fair Value Disclosure Range For Adjusting Value Of Collateral Liquidation Expense Other Real Estate Owned 5.00% 5.00%
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Maximum [Member]    
Impaired loans:    
Fair Value Disclosure Range For Adjusting Value Of Discount Rate Expense Impaired Loans 8.50%  
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Minimum [Member]    
Impaired loans:    
Fair Value Disclosure Range For Adjusting Value Of Discount Rate Expense Impaired Loans 4.00%  
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Appraisal Of Collateral [Member]    
Impaired loans:    
Impaired loans $ 510 $ 8,935
Other real estate owned 1,794 $ 2,477
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Discounted Cash Flow Analysis [Member]    
Impaired loans:    
Impaired loans $ 6,005