Summary of Significant Accounting Policies (Narrative) (Details) (USD $)	12 Months Ended		0 Months Ended	12 Months Ended
	Dec. 31, 2014 item	Dec. 31, 2013	Mar. 05, 2015	Dec. 31, 2012	Mar. 06, 2015
Summary Of Significant Accounting Policies [Line Items]
Impairment charges	$ 0	$ 0
Number of community offices, providing investment and trust services	13
collection of the original recorded investment on HTM securities (percentage)	85.00%
Restricted stock	2,587,000	2,903,000
Accrual of interest general discontinued period, in days	90 days
General charge-off period, in days	120 days
Preferred Stock, Liquidation Preference Per Share	$ 1,000	$ 1,000
Preferred Stock, Shares Outstanding	13,000	13,000
Preferred Stock, Shares Issued	13,000	13,000
Aggregate liquidation preference	13,000,000
Number of additional directors that may be elected	2
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
Subsequent Event [Member] | Subordinated Notes [Member]
Summary Of Significant Accounting Policies [Line Items]
Debt Instrument, Face Amount			9,750,000
Debt Instrument, Maturity Date			Mar. 06, 2025
Debt Instrument, Interest Rate Period, In Years			5 years
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum			5.75%
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum			3.00%
Debt Instrument, Basis Spread on Variable Rate			1.00%
Fixed interest rate			4.25%
Federal Home Loan Bank Of Pittsburgh [Member]
Summary Of Significant Accounting Policies [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.14%
Commercial Term [Member]
Summary Of Significant Accounting Policies [Line Items]
Number of TDR loans	1	1
TDR amount	2,246,000	2,272,000
Pre-modification recorded investment	2,272,000
Post-modification recorded investment	2,272,000
Loan defaults	0
Consumer [Member]
Summary Of Significant Accounting Policies [Line Items]
Number of TDR loans	1
TDR amount	102,000
Loan Payment Period	36 months
Reduction of principal loan amount	0
Pre-modification recorded investment	102,000
Post-modification recorded investment	102,000
Loan defaults	0
Investment in Federal Home Loan Bank Stock [Member]
Summary Of Significant Accounting Policies [Line Items]
Restricted stock	1,400,000	1,700,000
Federal Reserve Bank Of Philadelphia [Member]
Summary Of Significant Accounting Policies [Line Items]
Restricted stock	1,100,000	1,100,000
Atlantic Central Bankers Bank [Member]
Summary Of Significant Accounting Policies [Line Items]
Restricted stock	106,000	106,000
Series 2011A Preferred Stock [Member]
Summary Of Significant Accounting Policies [Line Items]
Preferred Stock, Dividend Rate, Percentage		1.00%		1.00%
Series 2011A Preferred Stock [Member] | Subsequent Event [Member]
Summary Of Significant Accounting Policies [Line Items]
Preferred Stock, Redemption Amount					$ 9,767,604.17
Preferred Stock, Liquidation Preference Per Share					$ 1,000
Preferred Stock, Shares Outstanding					3,250
Preferred Stock, Shares Issued					9,750
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%