Consolidated Statements Of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Interest income
Loans, including fees	$ 32,992	$ 30,279	$ 30,382
Interest and dividends on investments:
Taxable interest	2,271	2,415	2,618
Tax exempt interest	1,412	1,607	1,512
Dividend income	17	67	100
Deposits and obligations of other banks	287	247	182
Total interest income	36,979	34,615	34,794
Interest expense
Deposits	2,212	2,367	2,743
Securities sold under agreements to repurchase			13
Short-term borrowings	33	4
Long-term debt			424
Total interest expense	2,245	2,371	3,180
Net interest income	34,734	32,244	31,614
Provision for loan losses	3,775	1,285	764
Net interest income after provision for loan losses	30,959	30,959	30,850
Noninterest income
Investment and trust services fees	4,969	5,036	4,575
Loan service charges	714	1,002	954
Deposit service charges and fees	2,468	2,318	2,094
Other service charges and fees	1,257	1,239	1,201
Debit card income	1,469	1,368	1,320
Increase in cash surrender value of life insurance	531	551	568
Net (loss) gain on sale of other real estate owned	(31)	32	50
OTTI losses on debt securities	(40)	(20)	(20)
Gain on conversion of investment security		728
Securities gains, net	22	8	280
Other	246	390	109
Total noninterest income	11,605	12,652	11,131
Noninterest expense
Salaries and employee benefits	18,276	17,186	17,179
Occupancy, net	2,241	2,240	2,359
Furniture and equipment	879	924	976
Advertising	1,155	1,105	1,225
Legal and professional	1,508	1,093	1,221
Data processing	2,093	2,051	1,824
Pennsylvania bank shares tax	902	815	694
Intangible amortization		181	517
FDIC insurance	580	663	908
ATM/debit card processing	855	830	730
Foreclosed real estate	1,333	462	315
Telecommunications	429	555	488
Other	2,924	3,031	3,137
Total noninterest expense	33,175	31,136	31,573
Income before federal income tax expense	9,389	12,475	10,408
Federal income tax expense	1,302	2,271	2,006
Net income	$ 8,087	$ 10,204	$ 8,402
Per share
Basic earnings per share	$ 1.88	$ 2.40	$ 2.01
Diluted earnings per share	1.88	2.40	2.00
Cash dividends declared	$ 0.82	$ 0.74	$ 0.68