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MORTGAGE SERVICING RIGHTS (Tables)
12 Months Ended
Dec. 31, 2016
Mortgage Loans on Real Estate [Abstract]  
Balance of loans serviced for others and fair value of mortgage servicing rights
  December 31, (in thousands)    2016      2015  
Residential mortgage loans serviced for others  $125,243   $130,816 
Fair value of mortgage servicing rights   902    1,315 
Changes in mortgage servicing rights
  Years ended December 31, (in thousands)    2016      2015      2014  
Mortgage Servicing Rights               
Balance, beginning of period  $486   $694   $980 
Originated   95    148    17 
Amortization (1)   (242)   (356)   (303)
Balance, end of period   339    486    694 
Valuation Allowance               
Balance, beginning of period   (3)       (15)
(Increase) decrease  in impairment reserve (1)   (20)   (3)   15 
Balance, end of period   (23)   (3)    
Mortgage servicing rights, net  $316   $483   $694 
(1)Amortization expense and changes in the impairment reserve are recorded in mortgage servicing, net.