Consolidated Statements of Income (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
INTEREST INCOME
Interest and fees on loans	$ 9,028,000	$ 10,242,000	$ 18,253,000	$ 20,608,000
Interest on balances with depository institutions	23,000	31,000	51,000	59,000
Interest on loans to political subdivisions	323,000	375,000	685,000	752,000
Interest on loans held for sale	12,000	23,000	33,000	32,000
Income from available-for-sale securities:
Taxable	1,663,000	2,520,000	3,380,000	5,178,000
Tax-exempt	1,243,000	1,265,000	2,455,000	2,528,000
Dividends	63,000	73,000	145,000	148,000
Total interest and dividend income	12,355,000	14,529,000	25,002,000	29,305,000
INTEREST EXPENSE
Interest on deposits	673,000	1,271,000	1,451,000	2,621,000
Interest on short-term borrowings	2,000	1,000	3,000	4,000
Interest on long-term borrowings	740,000	1,129,000	1,561,000	2,278,000
Total interest expense	1,415,000	2,401,000	3,015,000	4,903,000
Net interest income	10,940,000	12,128,000	21,987,000	24,402,000
Provision for loan losses	66,000	367,000	249,000	185,000
Net interest income after provision for loan losses	10,874,000	11,761,000	21,738,000	24,217,000
OTHER INCOME
Service charges on deposit accounts	1,171,000	1,256,000	2,330,000	2,417,000
Service charges and fees	216,000	235,000	417,000	455,000
Trust and financial management revenue	1,045,000	960,000	1,989,000	1,889,000
Interchange revenue from debit card transactions	505,000	488,000	969,000	983,000
Net gains from sale of loans	587,000	373,000	1,132,000	638,000
Increase in cash surrender value of life insurance	99,000	117,000	192,000	236,000
Insurance commissions, fees and premiums	59,000	73,000	104,000	107,000
Other operating income	509,000	777,000	901,000	1,209,000
Sub-total	4,191,000	4,279,000	8,034,000	7,934,000
Total other-than-temporary impairment losses on available-for-sale securities	0	0	(25,000)	(67,000)
Portion of (gain) loss recognized in other comprehensive loss (before taxes)	0	0	0	0
Net impairment losses recognized in earnings	0	0	(25,000)	(67,000)
Realized gains on available-for-sale securities, net	100,000	203,000	1,284,000	268,000
Net realized gains on available-for-sale securities	100,000	203,000	1,259,000	201,000
Total other income	4,291,000	4,482,000	9,293,000	8,135,000
OTHER EXPENSES
Salaries and wages	3,635,000	3,586,000	7,235,000	7,161,000
Pensions and other employee benefits	1,034,000	1,090,000	2,289,000	2,456,000
Occupancy expense, net	599,000	628,000	1,233,000	1,264,000
Furniture and equipment expense	483,000	461,000	977,000	943,000
FDIC Assessments	147,000	157,000	299,000	303,000
Pennsylvania shares tax	351,000	340,000	701,000	672,000
Loss on prepayment of debt	0	143,000	1,023,000	143,000
Other operating expense	2,271,000	2,059,000	4,339,000	3,935,000
Total other expenses	8,520,000	8,464,000	18,096,000	16,877,000
Income before income tax provision	6,645,000	7,779,000	12,935,000	15,475,000
Income tax provision	1,671,000	2,094,000	3,255,000	4,203,000
NET INCOME	$ 4,974,000	$ 5,685,000	$ 9,680,000	$ 11,272,000
NET INCOME PER SHARE - BASIC (in Dollars per share)	$ 0.40	$ 0.46	$ 0.78	$ 0.92
NET INCOME PER SHARE - DILUTED (in Dollars per share)	$ 0.40	$ 0.46	$ 0.78	$ 0.92