Loans Receivable And Credit Quality (Activity In The Allowance For Loan Losses) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	$ 6,619	$ 6,209	$ 6,517	$ 6,068
Charge-offs	(93)		(184)	(44)
Recoveries			13
Provisions	235	70	415	255
Ending balance	6,761	6,279	6,761	6,279
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	2,353	2,157	2,349	2,132
Charge-offs				(35)
Recoveries			13
Provisions	(199)	21	(208)	81
Ending balance	2,154	2,178	2,154	2,178
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	363	396	423	402
Charge-offs	(93)		(122)
Provisions	223	22	192	16
Ending balance	493	418	493	418
Commercial [Member] | Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	670	371	516	294
Provisions	(197)	56	(43)	133
Ending balance	473	427	473	427
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	2,968	2,581	2,937	2,529
Charge-offs			(62)	(9)
Provisions	402	206	495	267
Ending balance	3,370	2,787	3,370	2,787
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	16	30	15	29
Provisions	11		12	1
Ending balance	27	30	27	30
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	249	674	277	682
Provisions	(5)	(235)	(33)	(243)
Ending balance	$ 244	$ 439	$ 244	$ 439