Summary of Significant Accounting Policies (Narrative) (Details) - USD ($)	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Gain (Loss) on Sale of Securities, Net	$ 325,000	$ 168,000	$ 220,000
Held-to-maturity Securities	0	0
Other securities	382,000	155,000	46,000
Mortgage servicing rights	174,000	187,000
Mortgage servicing rights, amortization	24,000	36,000	10,000
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	365,000	408,000
Low Income Housing Tax Credit	$ 46,000	46,000	46,000
Core Deposit Intangible, Amortization Period	10 years
Goodwill, Impairment Loss	$ 0	0	0
Marketing and Advertising Expense	$ 533,000	$ 308,000	$ 253,000
Class of warrant or right, outstanding	0	0	0
Residential real estate held in other real estate owned	$ 358,000
Foreclosure proceedings in process	$ 0
Commercial [Member]
Loan Terms	1 year
Loan To Value Ratio	80.00%
Maximum [Member] \| Residential Portfolio [Member]
Loan Terms	30 years
Loan To Value Ratio	100.00%
Loan To Value Ratio, Exposure After Private Mortgage Insurance	85.00%
Maximum [Member] \| Home equity lines of credit [Member]
Loan Terms	20 years
Loan To Value Ratio	85.00%
Maximum [Member] \| Home Equity Lines Of Credit [Member]
Loan Terms	5 years
Parent Company [Member]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 76,334,000	$ 59,217,000
Building Assets [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life	5 years
Building Assets [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	50 years
Furniture, Fixtures, and Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life	3 years
Furniture, Fixtures, and Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	10 years
Land Improvements [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life	10 years
Land Improvements [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	20 years
Leasehold Improvements [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life	10 years
Leasehold Improvements [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	30 years
Reserve for Off-balance Sheet Activities [Member]
Valuation Allowances and Reserves, Balance	$ 94,500	60,000
Federal Home Loan Bank of Pittsburgh [Member]
Other securities	250,000	123,000
Restricted investments	$ 4,266,000	$ 3,181,000

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