Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVES (Narrative) (Details)

v3.10.0.1
DERIVATIVES (Narrative) (Details)
$ in Thousands
9 Months Ended 12 Months Ended
Jun. 29, 2018
USD ($)
shares
Jun. 13, 2016
USD ($)
derivative_instrument
Sep. 30, 2018
USD ($)
Dec. 31, 2017
USD ($)
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     $ 399  
Fair Value Hedges        
Derivatives, Fair Value [Line Items]        
Aggregate notional amount of the hedged items     88,700 $ 81,000
Fair value of aggregate notional amount of the hedged items, unrealized loss     3,500 $ (1,200)
Shore Premier        
Derivatives, Fair Value [Line Items]        
Amount of shares received in transaction | shares 1,250,000      
Contractual amount of the shares received $ 28,900      
Fair value of purchasing company's stock     27,400  
Embedded value of derivative     $ 1,500