Modification which Occurred During the Period & Change in Recorded Investment(Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) contract	Dec. 31, 2014 USD ($) contract	Dec. 31, 2013 USD ($) contract
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract	44	51	67
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 6,085	$ 7,609	$ 13,163
TROUBLED DEBT RESTRUCTURINGS:
Post-Modification Outstanding Recorded Investment	$ 6,112	$ 7,645	$ 13,189
Consumer Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract		1	9
Financing Receivable, Modifications, Pre-Modification Recorded Investment		$ 8	$ 27
TROUBLED DEBT RESTRUCTURINGS:
Post-Modification Outstanding Recorded Investment		$ 8	$ 27
Home Equity Line of Credit [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract	8	11	17
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 694	$ 923	$ 1,347
TROUBLED DEBT RESTRUCTURINGS:
Post-Modification Outstanding Recorded Investment	$ 694	$ 926	$ 1,347
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract	8	9	9
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 843	$ 1,535	$ 2,401
TROUBLED DEBT RESTRUCTURINGS:
Post-Modification Outstanding Recorded Investment	$ 870	$ 1,568	$ 2,427
Small Business [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract	9	5	12
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 293	$ 133	$ 556
TROUBLED DEBT RESTRUCTURINGS:
Post-Modification Outstanding Recorded Investment	$ 293	$ 133	$ 556
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract	6	13	9
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 2,941	$ 4,329	$ 8,100
TROUBLED DEBT RESTRUCTURINGS:
Post-Modification Outstanding Recorded Investment	$ 2,941	$ 4,329	$ 8,100
Commercial And Industrial [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract	13	12	11
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 1,314	$ 681	$ 732
TROUBLED DEBT RESTRUCTURINGS:
Post-Modification Outstanding Recorded Investment	$ 1,314	$ 681	$ 732