Loans (Activity in Allowance for Loan Losses by Portfolio Segment) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses, Beginning of period	$ 12,906,000	$ 13,243,000	$ 13,168,000	$ 13,412,000
Provision charged (credited) to expense				850,000
Losses charged off	(298,000)	(190,000)	(1,010,000)	(1,402,000)
Recoveries	149,000	196,000	599,000	389,000
Allowance for loan losses, End of period	12,757,000	13,249,000	12,757,000	13,249,000
Allowance for loan losses, individually evaluated for impairment, Ending balance					$ 100,000
Allowance for loan losses, collectively evaluated for impairment, Ending balance					12,657,000	$ 13,168,000
Total allowance for loan losses	12,906,000	13,243,000	13,168,000	13,412,000	12,757,000	13,168,000
Loans, individually evaluated for impairment, Ending balance					7,395,000	7,760,000
Loans, collectively evaluated for impairment, Ending balance					1,054,061,000	1,014,628,000
Total loans receivable					1,061,456,000	$ 1,022,388,000
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses, Beginning of period	6,825,000	7,763,000	7,085,000	8,148,000
Provision charged (credited) to expense	(248,000)	(914,000)	(846,000)	(1,101,000)
Losses charged off	(4,000)		(4,000)	(244,000)
Recoveries	76,000	105,000	414,000	151,000
Allowance for loan losses, End of period	6,649,000	6,954,000	6,649,000	6,954,000
Allowance for loan losses, individually evaluated for impairment, Ending balance					100,000
Allowance for loan losses, collectively evaluated for impairment, Ending balance					6,549,000	$ 7,085,000
Total allowance for loan losses	6,825,000	7,763,000	7,085,000	8,148,000	6,649,000	7,085,000
Loans, individually evaluated for impairment, Ending balance					5,793,000	6,622,000
Loans, collectively evaluated for impairment, Ending balance					341,122,000	312,973,000
Total loans receivable					346,915,000	$ 319,595,000
Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses, Beginning of period	3,318,000	3,344,000	3,471,000	3,124,000
Provision charged (credited) to expense	83,000	935,000	321,000	1,400,000
Losses charged off	(154,000)	(141,000)	(545,000)	(391,000)
Recoveries	33,000	23,000	33,000	28,000
Allowance for loan losses, End of period	3,280,000	4,161,000	3,280,000	4,161,000
Allowance for loan losses, individually evaluated for impairment, Ending balance
Allowance for loan losses, collectively evaluated for impairment, Ending balance					3,280,000	$ 3,471,000
Total allowance for loan losses	3,318,000	3,344,000	3,471,000	3,124,000	3,280,000	3,471,000
Loans, individually evaluated for impairment, Ending balance					1,126,000	1,138,000
Loans, collectively evaluated for impairment, Ending balance					498,697,000	515,925,000
Total loans receivable					499,823,000	$ 517,063,000
Consumer Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses, Beginning of period	2,763,000	2,136,000	2,612,000	2,140,000
Provision charged (credited) to expense	165,000	(21,000)	525,000	551,000
Losses charged off	(140,000)	(49,000)	(461,000)	(767,000)
Recoveries	40,000	68,000	152,000	210,000
Allowance for loan losses, End of period	2,828,000	2,134,000	2,828,000	2,134,000
Allowance for loan losses, individually evaluated for impairment, Ending balance
Allowance for loan losses, collectively evaluated for impairment, Ending balance					2,828,000	$ 2,612,000
Total allowance for loan losses	$ 2,763,000	$ 2,136,000	$ 2,612,000	$ 2,140,000	2,828,000	2,612,000
Loans, individually evaluated for impairment, Ending balance					476,000
Loans, collectively evaluated for impairment, Ending balance					214,242,000	185,730,000
Total loans receivable					$ 214,718,000	$ 185,730,000