Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Interest and dividend income:
Interest and fees on loans		$ 50,660	$ 46,062	$ 100,464	$ 90,334
Interest and dividends on securities available for sale:
U. S. government sponsored enterprises		909	691	1,815	1,383
State and political subdivisions		1	1	1	1
Mortgage-backed securities and collateralized mortgage obligations - residential		1,451	1,543	2,945	3,128
Corporate bonds		362	516	838	1,037
Small Business Administration-guaranteed participation securities		94	111	194	228
Other securities		2	3	5	5
Total interest and dividends on securities available for sale		2,819	2,865	5,798	5,782
Interest on held to maturity securities:
Mortgage-backed securities and collateralized mortgage obligations-residential		65	75	133	153
Total interest on held to maturity securities		65	75	133	153
Federal Home Loan Bank stock		147	110	299	220
Interest on federal funds sold and other short-term investments		6,894	6,970	13,644	13,525
Total interest income		60,585	56,082	120,338	110,014
Interest on deposits:
Interest-bearing checking		288	49	528	115
Savings accounts		675	655	1,387	1,185
Money market deposit accounts		2,228	1,756	4,570	2,570
Time deposits		19,400	9,291	39,077	14,563
Interest on short-term borrowings		206	279	410	564
Total interest expense		22,797	12,030	45,972	18,997
Net interest income		37,788	44,052	74,366	91,017
Provision (Credit) for credit losses		500	(500)	1,100	(200)
Net interest income after provision (credit) for credit losses		37,288	44,552	73,266	91,217
Noninterest income:
Trustco financial services income		1,609	1,412	3,425	3,186
Fees for services to customers		2,399	2,847	5,144	5,495
Unrealized gain recognized on equity securities	[1]	1,360	0	1,360	0
Other		283	339	565	586
Total noninterest income		5,651	4,598	10,494	9,267
Noninterest expenses:
Salaries and employee benefits		12,520	13,122	23,947	26,405
Net occupancy expense		4,375	4,262	8,986	8,860
Equipment expense		1,990	1,873	3,728	3,835
Professional services		1,570	1,360	3,030	2,967
Outsourced services		2,755	2,491	5,256	4,787
Advertising expense		466	518	874	908
FDIC and other insurance		797	1,085	1,891	2,137
Other real estate expense, net		16	148	90	373
Other		1,970	2,468	3,560	4,734
Total noninterest expenses		26,459	27,327	51,362	55,006
Income before taxes		16,480	21,823	32,398	45,478
Income taxes		3,929	5,451	7,721	11,360
Net income		$ 12,551	$ 16,372	$ 24,677	$ 34,118
Net income per share:
Basic (in dollars per share)		$ 0.66	$ 0.86	$ 1.3	$ 1.79
Diluted (in dollars per share)		$ 0.66	$ 0.86	$ 1.3	$ 1.79

[1] Not within the scope of ASC 606.