Summary of Significant Accounting Policies (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 item	Dec. 31, 2012
Summary Of Significant Accounting Policies [Line Items]
Impairment charges	$ 0	$ 0
Number of community offices, providing investment and trust services	13
Restricted stock	2,903	3,426
Accrual of interest general discontinued period, in days	90 days
General charge-off period, in days	120 days
Aggregate liquidation preference	13,000
Number of additional directors that may be elected	2
Classified as TDR		0
Pre-Modification recorded investment	2,272
Post-Modification recorded investment	2,272
Loan defaults	0
Unrecognized tax positions	0
Age of eligibility for noncontributory defined benefit pension plan	21 years
Defined Benefit pension plan requisite service period, in years	1 year
Highest consecutive years of average-compensation (years)	5 years
Defined benefit pension plan, years of service	10 years
Federal Home Loan Bank Of Pittsburgh [Member]
Summary Of Significant Accounting Policies [Line Items]
Stock repurchased, value	523	288
Commercial [Member]
Summary Of Significant Accounting Policies [Line Items]
Number of TDR loans	1
Classified as TDR	2,272
Investment in Federal Home Loan Bank Stock [Member]
Summary Of Significant Accounting Policies [Line Items]
Restricted stock	1,700
Federal Reserve Bank Of Philadelphia [Member]
Summary Of Significant Accounting Policies [Line Items]
Restricted stock	1,100
Atlantic Central Bankers Bank [Member]
Summary Of Significant Accounting Policies [Line Items]
Restricted stock	$ 106
Series 2011A Preferred Stock [Member]
Summary Of Significant Accounting Policies [Line Items]
Preferred Stock, Dividend Rate, Percentage	1.00%
Qualified Small Business Lending [Member]
Summary Of Significant Accounting Policies [Line Items]
Preferred Stock, Dividend Rate, Percentage	3.874%
QSBL, 2nd Period [Member] | Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Preferred Stock, Dividend Rate, Percentage	5.00%
QSBL, 2nd Period [Member] | Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Preferred Stock, Dividend Rate, Percentage	1.00%
QSBL, 3rd Period [Member]
Summary Of Significant Accounting Policies [Line Items]
Preferred stock, period of unchanged rate, in years	4 years 6 months
QSBL, 3rd Period [Member] | Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Preferred Stock, Dividend Rate, Percentage	7.00%
QSBL, 3rd Period [Member] | Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Preferred Stock, Dividend Rate, Percentage	1.00%
QBSL, 4rd Period [Member]
Summary Of Significant Accounting Policies [Line Items]
Preferred Stock, Dividend Rate, Percentage	9.00%