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MORTGAGE OPERATIONS (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
MORTGAGE OPERATIONS [Abstract]          
Real estate mortgage loans serviced $ 205,264   $ 205,264   $ 211,845
Key assumptions used in measuring the fair value of mortgage servicing rights [Abstract]          
Constant prepayment rate     9.97%   8.58%
Discount rate     10.01%   10.01%
Weighted average life     6 years 2 months 12 days   6 years 9 months 14 days
Mortgage servicing rights [Roll Forward]          
Beginning balance     $ 1,579    
Additions     59    
Reductions     (138)    
Ending balance 1,500   1,500   $ 1,579
Valuation allowance [Roll Forward]          
Beginning balance     0    
Additions     0    
Reductions     0    
Ending balance 0   0   0
Mortgage servicing rights, net of valuation allowance [Roll Forward]          
Beginning balance     1,579    
Additions     59    
Reductions     (138)    
Ending balance 1,500   1,500    
Fair value of mortgage servicing rights asset 1,775   1,775   $ 2,091
Contractually specified servicing fees $ 131 $ 138 $ 265 $ 277