Investments (Narrative) (Details) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016 USD ($) security $ / shares	Sep. 30, 2016 USD ($) security $ / shares	Sep. 30, 2015 USD ($)	Dec. 31, 2015 USD ($) security	Dec. 31, 2014 USD ($)
Schedule of Available-for-sale Securities [Line Items]
Restricted stock	$ 1,118	$ 1,118		$ 782
Impairment write-down on securities recognized in earnings	$ 10	$ 30	$ 20
Number of temporarily impaired securities \| security	50	50		79
Securities pledged as collateral	$ 86,000	$ 86,000		$ 79,600
Available-for-sale Securities	155,345	155,345		159,473
Gross Unrealized Losses	756	756		1,310
Cumulative OTTI Charges	585	585	$ 555	555	$ 535
Fair value of temporarily impaired securities	$ 29,048	$ 29,048		$ 47,345
Federal Home Loan Bank of Pittsburgh [Member]
Schedule of Available-for-sale Securities [Line Items]
Restricted stock per share \| $ / shares	$ 100	$ 100
Non-Federal Home Loan Bank Of Pittsburgh [Member]
Schedule of Available-for-sale Securities [Line Items]
Restricted stock	$ 30	$ 30
Municipal Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of temporarily impaired securities \| security	8	8		15
Available-for-sale Securities	$ 68,080	$ 68,080		$ 69,188
Gross Unrealized Losses	92	92		218
Fair value of temporarily impaired securities	$ 4,932	$ 4,932		$ 10,591
Trust Preferred Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of temporarily impaired securities \| security	7	7		7
Available-for-sale Securities	$ 5,418	$ 5,418		$ 5,289
Gross Unrealized Gain (Loss)	(555)	(555)
Gross Unrealized Losses	555	555		669
Fair value of temporarily impaired securities	$ 5,418	5,418		$ 5,289
Private-Label Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Impairment write-down on securities recognized in earnings		$ 30
Number of temporarily impaired securities \| security	1	1		1
Available-for-sale Securities	$ 1,187	$ 1,187		$ 1,372
Gross Unrealized Gain (Loss)	50	50
Gross Unrealized Losses	7	7		2
Cumulative OTTI Charges	585	585
Fair value of temporarily impaired securities	$ 310	$ 310		$ 246
Period of determining credit related loss, in days		60 days

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Restricted Stock Cost per share

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Amount before tax of unrealized gain (loss) in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.

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The fair value of available-for-sale securities that serve as collateral for borrowings.

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Number of investment positions in available-for-sale investments in a continuous unrealized loss position for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement.

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Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of its amortized cost basis. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting.

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