Consolidated Statements Of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Interest income
Loans, including fees	$ 30,279	$ 30,382	$ 32,457
Interest and dividends on investments:
Taxable interest	2,415	2,618	1,783
Tax exempt interest	1,607	1,512	1,509
Dividend income	67	100	80
Deposits and obligations of other banks	247	182	213
Total interest income	34,615	34,794	36,042
Interest expense
Deposits	2,367	2,743	3,839
Securities sold under agreements to repurchase		13	48
Short-term borrowings	4
Long-term debt		424	491
Total interest expense	2,371	3,180	4,378
Net interest income	32,244	31,614	31,664
Provision for loan losses	1,285	764	2,920
Net interest income after provision for loan losses	30,959	30,850	28,744
Noninterest income
Investment and trust services fees	5,036	4,575	4,429
Loan service charges	971	917	879
Mortgage banking activities	31	37	47
Deposit service charges and fees	2,318	2,094	1,831
Other service charges and fees	1,239	1,201	907
Debit card income	1,368	1,320	1,236
Increase in cash surrender value of life insurance	551	568	605
Net gain (loss) on sale of other real estate owned	32	50	(99)
OTTI losses on debt securities	(20)	(20)	(25)
Gain on conversion of investment security	728
OTTI loss on equity securities			(50)
Securities gains, net	8	280	33
Other	390	109	240
Total noninterest income	12,652	11,131	10,033
Noninterest expense
Salaries and employee benefits	17,186	17,179	16,590
Ocupancy, net	2,240	2,359	2,259
Furniture and equipment	924	976	975
Advertising	1,105	1,225	1,384
Legal and professional	1,093	1,221	1,172
Data processing	2,051	1,824	1,713
Pennsylvania bank shares tax	815	694	815
Intangible amortization	181	517	425
FDIC insurance	663	908	979
ATM/debit card processing	830	730	706
Foreclosed real estate	462	315	293
Telecommunications	555	488	467
Other	3,031	3,137	3,472
Total noninterest expense	31,136	31,573	31,250
Income before federal income tax expense	12,475	10,408	7,527
Federal income tax expense	2,271	2,006	1,295
Net income	$ 10,204	$ 8,402	$ 6,232
Per share
Basic earnings per share	$ 2.40	$ 2.01	$ 1.51
Diluted earnings per share	2.40	2.00	1.51
Cash dividends declared	$ 0.74	$ 0.68	$ 0.68