Investments (Narrative) (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) item security $ / shares	Dec. 31, 2015 USD ($) security	Dec. 31, 2014 USD ($)
Schedule of Available-for-sale Securities [Line Items]
Restricted stock	$ 1,767	$ 782
Impairment write-down on securities recognized in earnings	$ 40	$ 20	$ 20
Number of temporarily impaired securities | security	115	79
Number of investments in a single issuer exceeding benchmark | item	0
Securities pledged as collateral	$ 79,100	$ 79,600
Gain on conversion of investment security		728
Available-for-sale Securities	143,875	159,473
Gross Unrealized Losses	1,574	1,310
Cumulative OTTI Charges	595	555	$ 535
Fair value of temporarily impaired securities	66,604	47,345
Community Bank Stock [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities	75,400
Federal Home Loan Bank of Pittsburgh [Member]
Schedule of Available-for-sale Securities [Line Items]
Restricted stock	$ 1,700
Restricted stock per share | $ / shares	$ 100
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities	$ 290	$ 233
Equity Securities [Member] | Community Bank Stock [Member]
Schedule of Available-for-sale Securities [Line Items]
Average life of the equity portfolio	4 years 1 month 6 days
Number of investments | item	1
Municipal Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of temporarily impaired securities | security	45	15
Available-for-sale Securities	$ 62,985	$ 69,188
Gross Unrealized Losses	571	218
Fair value of temporarily impaired securities	25,005	$ 10,591
Trust Preferred Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Change in unrealized losses	$ 151
Number of temporarily impaired securities | security	7	7
Available-for-sale Securities	$ 5,461	$ 5,289
Gross Unrealized Gain (Loss)	(518)
Gross Unrealized Losses	518	669
Fair value of temporarily impaired securities	5,461	$ 5,289
Private-Label Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Impairment write-down on securities recognized in earnings	$ 40
Number of temporarily impaired securities | security	1	1
Number Of Investments With Other Than Temporary Impairment Charges | item	3
Available-for-sale Securities	$ 1,104	$ 1,372
Gross Unrealized Gain (Loss)	51
Gross Unrealized Losses	5	2
Cumulative OTTI Charges	595
Fair value of temporarily impaired securities	281	$ 246
Private-Label Mortgage-Backed Securities [Member] | One Security [Member]
Schedule of Available-for-sale Securities [Line Items]
Change in unrealized losses	$ 5
Number of temporarily impaired securities | item	1