CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $)	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 7,576,059	$ 7,054,132
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization of intangible assets	753,192	550,531
Provision for loan losses	833,333	1,125,000
Depreciation and amortization of fixed assets	2,129,738	2,057,825
Amortization of premiums on securities, net	960,973	489,661
Gains on sales of loans held for sale, net	(132,902)	(166,247)
Proceeds from sales of loans held for sale	5,523,214	5,686,897
Loans originated and held for sale	(4,977,727)	(5,906,757)
Net gain on sale of other real estate owned	(87,733)	(15,568)
Net gains on securities transactions	(1,108,091)	(451,094)
Net impairment loss recognized on investment securities	67,400	393,005
Decrease in other assets	2,752,047	671,468
(Increase) decrease in prepaid FDIC assessment	(49,464)	819,241
Decrease in accrued interest payable	(265,000)	(235,220)
Expense related to restricted stock units for directors' deferred compensation plan	61,129	83,311
Expense related to employee stock compensation	55,000	55,000
Expense related to employee stock awards	21,226	0
Decrease in other liabilities	(2,243,010)	(2,987,293)
Income from bank owned life insurance	(65,932)	(65,213)
Proceeds from sales of student loans	0	137,509
Net cash provided by operating activities	11,803,452	9,296,188
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sales and calls of securities available for sale	67,741,210	50,440,459
Proceeds from maturities and principal collected on securities available for sale	23,608,123	49,260,195
Proceeds from maturities and principal collected on securities held to maturity	3,448,732	9,561,278
Purchases of securities available for sale	(95,911,022)	(110,793,064)
Purchases of securities held to maturity	(3,319,281)	(5,429,297)
Purchase of Federal Home Loan Bank and Federal Reserve Bank stock	(1,002,500)	(58,200)
Redemption of Federal Home Loan Bank and Federal Reserve Bank stock	237,250	0
Purchases of premises and equipment	(1,307,723)	(1,230,458)
Cash paid Fort Orange Financial Corp. acquisition	(8,137,816)	0
Cash received Fort Orange Financial Corp. acquisition	33,284,995	0
Proceeds from sale of other real estate owned	356,207	236,102
Net (increase) decrease in loans	(10,967,168)	3,210,362
Net cash provided (used) by investing activities	8,031,007	(4,802,623)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net increase in demand deposits, NOW accounts, savings accounts, and insured money market accounts	70,452,474	17,197,567
Net decrease in time deposits and individual retirement accounts	(15,073,756)	(14,749,680)
Net decrease in securities sold under agreements to repurchase	(13,889,730)	(10,497,579)
Net decrease in Federal Home Loan Bank long term advances	(317,990)	0
Purchase of treasury stock	(327,413)	(425,566)
Sale of treasury stock	89,505	0
Cash dividends paid	(2,914,582)	(2,641,239)
Net cash provided (used) by financing activities	38,018,508	(11,116,497)
Net increase (decrease) in cash and cash equivalents	57,852,967	(6,622,932)
Cash and cash equivalents, beginning of period	60,619,777	79,738,396
Cash and cash equivalents, end of period	118,472,744	73,115,464
Cash paid during the year for:
Interest	5,126,397	6,656,414
Income Taxes	3,340,847	4,575,675
Supplemental disclosure of non-cash activity:
Transfer of loans to other real estate owned	$ 308,976	$ 554,246