Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Interest and dividend income:
Interest and fees on loans	$ 38,956	$ 36,662	$ 77,047	$ 72,706
Interest and dividends on securities available for sale:
U. S. government sponsored enterprises	787	607	1,537	1,202
State and political subdivisions	6	11	13	23
Mortgage-backed securities and collateralized mortgage obligations	1,670	1,965	3,475	3,946
Corporate bonds	150	154	283	305
Small Business Administration-guaranteed participation securities	333	394	685	809
Other securities	4	4	9	8
Total interest and dividends on securities available for sale	2,950	3,135	6,002	6,293
Interest on held to maturity securities:
Mortgage-backed securities and collateralized mortgage obligations-residential	244	296	504	612
Corporate bonds	0	154	0	308
Total interest on held to maturity securities	244	450	504	920
Federal Reserve Bank and Federal Home Loan Bank stock	198	134	275	268
Interest on federal funds sold and other short-term investments	2,467	1,727	4,484	2,973
Total interest income	44,815	42,108	88,312	83,160
Interest on deposits:
Interest-bearing checking	112	134	218	258
Savings	420	435	839	865
Money market deposit accounts	452	468	891	934
Time deposits	3,439	2,181	6,299	4,464
Interest on short-term borrowings	283	349	641	698
Total interest expense	4,706	3,567	8,888	7,219
Net interest income	40,109	38,541	79,424	75,941
Provision for loan losses	300	550	600	1,150
Net interest income after provision for loan losses	39,809	37,991	78,824	74,791
Noninterest income:
Trustco financial services income	1,596	1,425	3,411	3,283
Fees for Services to Customers	2,677	2,797	5,322	5,434
Other	222	282	441	514
Total noninterest income	4,495	4,504	9,174	9,231
Noninterest expenses:
Salaries and employee benefits	10,741	9,559	21,163	19,769
Net occupancy expense	4,101	4,267	8,416	8,376
Equipment expense	1,793	1,428	3,544	2,984
Professional services	1,814	1,963	3,244	3,891
Outsourced services	1,825	1,500	3,750	3,000
Advertising expense	670	607	1,300	1,320
FDIC and other insurance	514	1,012	1,537	2,059
Other real estate income net		(4)
Other real estate expense net	294		666	495
Other	2,343	2,581	4,630	5,038
Total noninterest expenses	24,095	22,913	48,250	46,932
Income before taxes	20,209	19,582	39,748	37,090
Income taxes	4,804	7,342	9,535	13,903
Net income	$ 15,405	$ 12,240	$ 30,213	$ 23,187
Net income per share:
Basic (in dollars per share)	$ 0.160	$ 0.127	$ 0.313	$ 0.242
Diluted (in dollars per share)	$ 0.160	$ 0.127	$ 0.313	$ 0.241