Loans, Allowance for Loan Losses and Credit Quality (Post-Modification balance of TDRs Listed by Type of Modifications) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Post modification balance of Troubled Debt Restructuring
EXTENDED MATURITY	$ 2,872	$ 1,189	$ 4,079	$ 2,382
Financing Receivable Modifications Post Modification Recorded Investment Adjusted Interest Rate	0	92	0	92
COMBINATION RATE & MATURITY	0	22	0	260
COURT ORDERED CONCESSION	1,252	866	1,342	866
TOTAL	$ 4,124	$ 2,169	$ 5,421	$ 3,600