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MORTGAGE SERVICING RIGHTS (Tables)
3 Months Ended
Mar. 31, 2018
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Abstract]  
Balance of loans serviced for others and fair value of mortgage servicing rights
(in thousands)    March 31, 2018      December 31, 2017  
Residential mortgage loans serviced for others  $116,096   $117,538 
Fair value of mortgage servicing rights   1,048    1,010 
Changes in mortgage servicing rights
Three months ended March 31, (in thousands)    2018      2017  
Mortgage Servicing Rights          
Balance, beginning of period  $233   $339 
Originated   6    25 
Amortization (1)   (11)   (68)
Balance, end of period  $228   $296 
Valuation Allowance          
Balance, beginning of period  $   $(23)
Increase in impairment reserve (1)       (2)
Balance, end of period       (25)
Mortgage servicing rights, net  $228   $271 
(1)Amortization expense and changes in the impairment reserve are recorded in mortgage servicing, net, in the consolidated statements of income.