LOANS, ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Loans, Allowance for Loan Losses and Credit Quality [Abstract]
Unamortized Loan Commitment and Origination fees	$ 5,100,000	$ 4,300,000	$ 2,800,000
Unamortized Discounts or Premiums	8,600,000	6,600,000	$ 1,900,000
Discretionary Nonaccrual	$ 34,600,000
Days To Be Termed As Non Accrual Loans	90 days
Significant advanced considered for risk rating change	$ 50,000
TDRs on nonaccrual status	5,199,000	5,225,000
Restructuring Cost and Reserve [Line Items]
Other Real Estate	4,173,000	$ 2,159,000
New England Bancorp, Inc. [Member]
Restructuring Cost and Reserve [Line Items]
Other Real Estate	$ 2,100,000