Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVES (Narrative) (Details)

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DERIVATIVES (Narrative) (Details)
$ in Thousands
9 Months Ended 12 Months Ended
Jun. 13, 2016
USD ($)
derivative_instrument
Sep. 30, 2017
USD ($)
Dec. 31, 2016
USD ($)
Minimum      
Derivatives, Fair Value [Line Items]      
Interest rate lock commitments period   30 days  
Maximum      
Derivatives, Fair Value [Line Items]      
Interest rate lock commitments period   120 days  
Cash Flow Hedges      
Derivatives, Fair Value [Line Items]      
Number of interest rate swaps terminated | derivative_instrument 3    
Unrealized gain within accumulated other comprehensive income, to be reclassified into earnings $ 1,300    
Reclassification of gain (loss) from accumulated other comprehensive income to earnings, estimate of time to transfer 3 years    
Estimated net amount of gains expected to be reclassified into earnings within the next twelve months   $ 395  
Fair Value Hedges      
Derivatives, Fair Value [Line Items]      
Aggregate notional amount of the hedged items   82,000 $ 65,900
Fair value of aggregate notional amount of the hedged items, unrealized loss   $ (597) $ (890)