Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Interest and dividend income:
Interest and fees on loans	$ 57,565	$ 53,450
Interest and dividends on securities available for sale:
U. S. government sponsored enterprises	149	596
State and political subdivisions	0	0
Mortgage-backed securities and collateralized mortgage obligations - residential	1,469	1,483
Corporate bonds	694	260
Small Business Administration-guaranteed participation securities	63	81
Other securities	8	7
Total interest and dividends on securities available for sale	2,383	2,427
Interest on held to maturity securities:
Mortgage-backed securities and collateralized mortgage obligations-residential	47	57
Total interest on held to maturity securities	47	57
Federal Home Loan Bank stock	126	151
Interest on federal funds sold and other short-term investments	6,105	6,732
Total interest income	66,226	62,817
Interest on deposits:
Interest-bearing checking	533	558
Savings accounts	675	734
Money market deposit accounts	1,552	1,989
Time deposits	18,357	18,983
Interest on short-term borrowings	401	180
Total interest expense	21,518	22,444
Net interest income	44,708	40,373
Provision for credit losses	950	300
Net interest income after provision for credit losses	43,758	40,073
Noninterest income:
Trustco financial services income	2,135	2,120
Fees for services to customers	2,340	2,645
Other	366	209
Total noninterest income	4,841	4,974
Noninterest expenses:
Salaries and employee benefits	12,219	11,894
Net occupancy expense	4,542	4,554
Equipment expense	2,022	1,944
Professional services	1,526	1,726
Outsourced services	2,700	2,700
Advertising expense	394	361
FDIC and other insurance	1,153	1,188
Other real estate expense, net	50	28
Other	2,376	1,934
Total noninterest expenses	26,982	26,329
Income before taxes	21,617	18,718
Income taxes	5,332	4,443
Net income	$ 16,285	$ 14,275
Net income per share:
- Basic (in Dollars per share)	$ 0.91	$ 0.75
- Diluted (in Dollars per share)	$ 0.91	$ 0.75