Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
INTEREST AND DIVIDEND INCOME
Interest and fees on loans	$ 13,507	$ 12,804
Investment income:
Interest and dividends on investment securities	1,836	1,997
Interest on interest earning deposits with banks and other short-term investments	82	81
Total interest and dividend income	15,425	14,882
INTEREST EXPENSE
Savings, interest bearing checking and money market accounts	471	440
Time deposits	265	391
Short-term borrowings	140
Securities sold under agreement to repurchase, short-term	152	109
Long-term debt	161	210
Total interest expense	1,189	1,150
Net interest income	14,236	13,732
Provision for credit losses	500	205
Net interest income after provision for credit losses	13,736	13,527
NONINTEREST INCOME
Trust division income	824	867
Net debit card income	760	649
Overdraft income	597	631
Service charges on deposits	423	415
Net gains on investment securities	255
Other	403	362
Total noninterest income	3,262	2,924
NONINTEREST EXPENSE
Compensation and benefits	5,823	6,308
Occupancy expense	1,101	1,139
Equipment expense	650	719
Telephone expense	171	198
Legal and professional fees	414	593
Mobile & internet banking	346	366
Core / Item processing	453	517
Marketing	120	192
State franchise taxes	399	398
FDIC insurance	217	254
Community Bank System, Inc. merger costs	1,302
NUVO Bank & Trust Company acquisition costs		133
Amortization of core deposit intangible	43	51
Other	914	1,051
Total noninterest expense	11,953	11,919
Income before provision for income taxes	5,045	4,532
Provision for income taxes	1,434	1,042
NET INCOME	$ 3,611	$ 3,490
Basic earnings per common share (in dollars per share)	$ 0.52	$ 0.51
Diluted earnings per common share (in dollars per share)	$ 0.52	$ 0.50