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COMMITMENTS, CONTINGENCIES AND DERIVATIVES (Schedule of interest rate lock commitments) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Other Commitments [Line Items]          
Unrealized Gain (Loss) on Derivatives $ (4) $ (235) $ 8 $ (223)  
Derivative, Fair Value, Net 192   192   $ 142
Interest Rate Lock Commitments          
Other Commitments [Line Items]          
Notional amount of derivative 27,736   27,736   21,746
Derivative, Fair Value, Net 277   277   285
Other Assets [Member] | Interest Rate Lock Commitments          
Other Commitments [Line Items]          
Notional amount of derivative 21,956   21,956   19,886
Derivative Asset, Fair Value, Gross Asset 331   331   307
Other Liabilities [Member] | Interest Rate Lock Commitments          
Other Commitments [Line Items]          
Notional amount of derivative 5,780   5,780   1,860
Derivative Liability, Fair Value, Gross Liability $ (54)   $ (54)   $ (22)