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MORTGAGE OPERATIONS (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Key assumptions used in measuring the fair value of mortgage servicing rights [Abstract]          
Constant prepayment rate     15.94%   10.94%
Discount rate     10.03%   10.03%
Weighted average life     4 years 7 months 6 days   6 years 2 months 1 day
Mortgages held-for-sale $ 2,192,000   $ 2,192,000   $ 351,000
Real estate mortgage loans serviced 229,237,213   229,237,213   237,224,000
Mortgage servicing rights assets [Roll Forward]          
Beginning balance     1,862,000    
Additions     198,000    
Reductions     (302,000)    
Ending balance 1,758,000   1,758,000   1,862,000
Valuation allowance [Roll Forward]          
Beginning balance     0    
Additions     (169,000)    
Reductions     0    
Ending balance (169,000)   (169,000)   0
Mortgage servicing rights, net of valuation allowance [Roll Forward]          
Beginning balance     1,862,000    
Additions     29,000    
Reductions     (302,000)    
Ending balance 1,589,000   1,589,000    
Fair value of mortgage servicing rights asset 1,589,000   1,589,000   $ 2,041,000
Contractually specified servicing fee $ 147,000 $ 147,000 $ 444,000 $ 450,000