Loans (Activity in Allowance for Loan Losses by Portfolio Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses, Beginning of period	$ 13,243	$ 15,701	$ 13,412	$ 16,038	$ 16,038
Provision charged to expense		750	850	2,250	1,300
Losses charged off	(190)	(2,091)	(1,402)	(4,161)	(4,539)
Recoveries	196	94	389	327	613
Allowance for loan losses, End of period	13,249	14,454	13,249	14,454	13,412
Allowance for loan losses, individually evaluated for impairment, Ending balance					335
Allowance for loan losses, collectively evaluated for impairment, Ending balance	13,249		13,249		13,077
Total allowance for loan losses	13,249	14,454	13,249	14,454	13,412
Loans, individually evaluated for impairment, Ending balance	8,582		8,582		7,457
Loans, collectively evaluated for impairment, Ending balance	1,006,115		1,006,115		982,750
Total loans receivable	1,014,697		1,014,697		990,207
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses, Beginning of period	7,763	9,633	8,148	9,908	9,908
Provision charged to expense	(914)	1,004	(1,101)	1,675	884
Losses charged off		(1,713)	(244)	(2,681)	(2,713)
Recoveries	105	10	151	32	69
Allowance for loan losses, End of period	6,954	8,934	6,954	8,934	8,148
Allowance for loan losses, individually evaluated for impairment, Ending balance					335
Allowance for loan losses, collectively evaluated for impairment, Ending balance	6,954		6,954		7,813
Total allowance for loan losses	6,954	8,934	6,954	8,934	8,148
Loans, individually evaluated for impairment, Ending balance	6,943		6,943		5,974
Loans, collectively evaluated for impairment, Ending balance	302,521		302,521		283,566
Total loans receivable	309,464		309,464		289,540
Residential Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses, Beginning of period	3,344	3,662	3,124	3,394	3,394
Provision charged to expense	935	(215)	1,400	469	343
Losses charged off	(141)	(274)	(391)	(716)	(886)
Recoveries	23	30	28	56	273
Allowance for loan losses, End of period	4,161	3,203	4,161	3,203	3,124
Allowance for loan losses, collectively evaluated for impairment, Ending balance	4,161		4,161		3,124
Total allowance for loan losses	4,161	3,203	4,161	3,203	3,124
Loans, individually evaluated for impairment, Ending balance	1,639		1,639		1,483
Loans, collectively evaluated for impairment, Ending balance	517,673		517,673		529,789
Total loans receivable	519,312		519,312		531,272
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses, Beginning of period	2,136	2,406	2,140	2,736	2,736
Provision charged to expense	(21)	(39)	551	106	73
Losses charged off	(49)	(104)	(767)	(764)	(940)
Recoveries	68	54	210	239	271
Allowance for loan losses, End of period	2,134	2,317	2,134	2,317	2,140
Allowance for loan losses, collectively evaluated for impairment, Ending balance	2,134		2,134		2,140
Total allowance for loan losses	2,134	2,317	2,134	2,317	2,140
Loans, collectively evaluated for impairment, Ending balance	185,921		185,921		169,395
Total loans receivable	$ 185,921		$ 185,921		$ 169,395