Shareholders' Equity (Schedule of Consolidated and Affiliate Bank Actual Capital and Minimum Required Levels) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Consolidated
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Actual Amount of Total Capital (to Risk Weighted Assets)	$ 223,490	$ 201,233
Actual Amount of Tier 1 Capital (to Risk Weighted Assets)	208,561	186,649
Actual Amount of Tier 1 Capital (to Average Assets)	208,561	186,649
Actual Ratio of Total Capital (to Risk Weighted Assets)	13.88%	13.07%
Actual Ratio of Tier 1 Capital (to Risk Weighted Assets)	12.95%	12.12%
Actual Ratio of Tier 1 Capital (to Average Assets)	9.57%	8.78%
Minimum Required For Capital Adequacy Purposes: Amount, Total Capital	128,823	123,189
Minimum Required For Capital Adequacy Purposes: Amount, Tier 1 Capital (to Risk Weighted Assets)	64,412	61,594
Minimum Required For Capital Adequacy Purposes: Amount, Tier 1 Capital (to Average Assets)	87,214	85,005
Minimum Required For Capital Adequacy Purposes: Ratio, Total Capital (to Risk Weighted Assets)	8.00%	8.00%
Minimum Required For Capital Adequacy Purposes: Ratio, Tier 1 Capital (to Risk Weighted Assets)	4.00%	4.00%
Minimum Required For Capital Adequacy Purposes: Ratio, Tier 1 Capital (to Average Assets)	4.00%	4.00%
Bank
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Actual Amount of Total Capital (to Risk Weighted Assets)	201,641	191,714
Actual Amount of Tier 1 Capital (to Risk Weighted Assets)	186,712	177,130
Actual Amount of Tier 1 Capital (to Average Assets)	186,712	177,130
Actual Ratio of Total Capital (to Risk Weighted Assets)	12.57%	12.46%
Actual Ratio of Tier 1 Capital (to Risk Weighted Assets)	11.64%	11.51%
Actual Ratio of Tier 1 Capital (to Average Assets)	8.59%	8.37%
Minimum Required For Capital Adequacy Purposes: Amount, Total Capital	128,363	123,099
Minimum Required For Capital Adequacy Purposes: Amount, Tier 1 Capital (to Risk Weighted Assets)	64,182	61,550
Minimum Required For Capital Adequacy Purposes: Amount, Tier 1 Capital (to Average Assets)	86,915	84,686
Minimum Required For Capital Adequacy Purposes: Ratio, Total Capital (to Risk Weighted Assets)	8.00%	8.00%
Minimum Required For Capital Adequacy Purposes: Ratio, Tier 1 Capital (to Risk Weighted Assets)	4.00%	4.00%
Minimum Required For Capital Adequacy Purposes: Ratio, Tier 1 Capital (to Average Assets)	4.00%	4.00%
Minimum Required To Be Well- Capitalized Under Prompt Corrective Action Regulations: Amount, Total Capital (to Risk Weighted Assets)	160,454	153,874
Minimum Required To Be Well- Capitalized Under Prompt Corrective Action Regulations: Amount, Tier 1 Capital (to Risk Weighted Assets)	96,272	92,324
Minimum Required To Be Well- Capitalized Under Prompt Corrective Action Regulations: Amount, Tier 1 Capital (to Average Assets)	$ 108,644	$ 105,857
Minimum Required To Be Well- Capitalized Under Prompt Corrective Action Regulations: Ratio, Total Capital (to Risk Weighted Assets)	10.00%	10.00%
Minimum Required To Be Well- Capitalized Under Prompt Corrective Action Regulations: Ratio, Tier 1 Capital (to Risk Weighted Assets)	6.00%	6.00%
Minimum Required To Be Well- Capitalized Under Prompt Corrective Action Regulations: Ratio, Tier 1 Capital (to Average Assets)	5.00%	5.00%