Loans (Schedule of Contractual Aging of Recorded Investment in Past Due Loans by Class) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days	$ 4,924	$ 6,372	$ 5,036
Past Due, 60-89 days	2,092	5,168	2,676
Past Due, greater than 90 days	7,910	10,060	9,502
Past Due, Total	14,926	21,600	17,214
Current	1,058,641	1,009,409	987,174
Recorded Investment greater then 90 days and Accruing	9	0	0
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days	42	328	74
Past Due, 60-89 days	41	117	179
Past Due, greater than 90 days	623	330	259
Past Due, Total	706	775	512
Current	88,544	87,815	83,250
Recorded Investment greater then 90 days and Accruing	0	0	0
Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days	961	121	365
Past Due, 60-89 days	0	194	442
Past Due, greater than 90 days	436	801	478
Past Due, Total	1,397	1,116	1,285
Current	197,671	156,667	155,480
Recorded Investment greater then 90 days and Accruing	0	0	0
Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days	309	146	288
Past Due, 60-89 days	657	0	0
Past Due, greater than 90 days	188	406	120
Past Due, Total	1,154	552	408
Current	335,396	316,584	314,169
Recorded Investment greater then 90 days and Accruing	0	0	0
Land and Land Improvements [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days	39	346	388
Past Due, 60-89 days	0	2,002	10
Past Due, greater than 90 days	4,538	4,253	4,214
Past Due, Total	4,577	6,601	4,612
Current	61,587	61,280	56,476
Recorded Investment greater then 90 days and Accruing	0	0	0
Construction Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days	0	0	0
Past Due, 60-89 days	0	0	0
Past Due, greater than 90 days	0	0	0
Past Due, Total	0	0	0
Current	8,419	28,591	27,239
Recorded Investment greater then 90 days and Accruing	0	0	0
Non-Jumbo [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days	3,239	4,104	3,381
Past Due, 60-89 days	1,108	2,719	555
Past Due, greater than 90 days	2,065	1,498	2,921
Past Due, Total	6,412	8,321	6,857
Current	216,327	211,750	211,268
Recorded Investment greater then 90 days and Accruing	0	0	0
Jumbo [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days	0	0	0
Past Due, 60-89 days	0	0	1,181
Past Due, greater than 90 days	0	2,626	1,435
Past Due, Total	0	2,626	2,616
Current	46,092	50,253	49,301
Recorded Investment greater then 90 days and Accruing	0	0	0
Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days	165	1,067	190
Past Due, 60-89 days	209	94	113
Past Due, greater than 90 days	27	83	29
Past Due, Total	401	1,244	332
Current	73,251	65,871	63,924
Recorded Investment greater then 90 days and Accruing	0	0	0
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days	169	260	350
Past Due, 60-89 days	77	42	196
Past Due, greater than 90 days	33	63	46
Past Due, Total	279	365	592
Current	18,836	19,091	19,314
Recorded Investment greater then 90 days and Accruing	9	0	0
Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due, 30-59 days	0	0	0
Past Due, 60-89 days	0	0	0
Past Due, greater than 90 days	0	0	0
Past Due, Total	0	0	0
Current	12,518	11,507	6,753
Recorded Investment greater then 90 days and Accruing	$ 0	$ 0	$ 0