FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK (Tables)
12 Months Ended
Dec. 31, 2018
Financial Instruments [Abstract]  
Schedule of financial instrument with off-balance sheet credit risk
(In thousands)   2018     2017  
             
Commitments to originate loans   $ 42,625     $ 18,641  
Letters of credit     1,546       2,004  
Unadvanced portions of loans     196,104       166,314  
    $ 240,275     $ 186,959