Credit Quality and Nonperforming Assets (Troubled Debt Restructurings including any Subsequent Defaults) (Details) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)
Financing Receivable, Modifications [Line Items]
Pre-Modification Outstanding Recorded Investment		$ 4,699	$ 330	$ 6,163	$ 1,271
Post-Modification Outstanding Recorded Investment		4,699	330	6,163	1,271
Reserve Difference	[1]	161	25	294	248
Reserve		$ 161	$ 35	$ 407	$ 241
Number Of Loans					1
Recorded Investment					$ 127
Charge-Offs
Consumer loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans		1	1	1	4
Pre-Modification Outstanding Recorded Investment		$ 10	$ 103	$ 10	$ 112
Post-Modification Outstanding Recorded Investment		10	103	10	112
Reserve Difference	[1]	$ 1	14	$ 1	15
Reserve			$ 15		$ 15
Commercial and Industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans		1	0	4	5
Pre-Modification Outstanding Recorded Investment		$ 45		$ 113	$ 167
Post-Modification Outstanding Recorded Investment		45		113	167
Reserve Difference	[1]	2		(17)	53
Reserve		2		23	57
Real Estate Loans [Member]
Financing Receivable, Modifications [Line Items]
Pre-Modification Outstanding Recorded Investment		4,644	$ 227	6,040	992
Post-Modification Outstanding Recorded Investment		4,644	227	6,040	992
Reserve Difference	[1]	158	11	310	180
Reserve		$ 159	$ 20	$ 384	$ 169
Real Estate Loans [Member] | 1-4 Family - closed end [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans		9	0	11	1
Pre-Modification Outstanding Recorded Investment		$ 4,388		$ 4,614	$ 13
Post-Modification Outstanding Recorded Investment		4,388		4,614	$ 13
Reserve Difference	[1]	148		154
Reserve		$ 85		$ 86
Real Estate Loans [Member] | Equity Lines [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans		2	3	9	6
Pre-Modification Outstanding Recorded Investment		$ 256	$ 227	$ 897	$ 577
Post-Modification Outstanding Recorded Investment		256	227	897	577
Reserve Difference	[1]	10	11	152	180
Reserve		$ 74	$ 20	$ 296	$ 33
Real Estate Loans [Member] | Commercial real estate - owner occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans		0	0	0	2
Pre-Modification Outstanding Recorded Investment					$ 402
Post-Modification Outstanding Recorded Investment					$ 402
Reserve Difference	[1]
Reserve					$ 136
Real Estate Loans [Member] | Multi Family [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans		0	0	1	0
Pre-Modification Outstanding Recorded Investment				$ 418
Post-Modification Outstanding Recorded Investment				$ 418
Reserve Difference	[1]
Reserve				$ 1
Other construction/Land [Member] | Real Estate Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans		0	0	2	0
Pre-Modification Outstanding Recorded Investment				$ 111
Post-Modification Outstanding Recorded Investment				111
Reserve Difference	[1]			4
Reserve				$ 1

[1] This represents the change in the ALLL reserve for these credits measured as the difference between the specific post-modification impairment reserve and the pre-modification reserve calculated under our general allowance for loan loss methodology.