Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
INTEREST AND DIVIDEND INCOME
Loans, including fees	$ 98,379	$ 89,103	$ 79,835
Taxable securities	5,423	4,840	4,928
Tax exempt securities	7,684	6,687	5,707
Dividends	543	627	652
Federal funds sold and other interest income	298	729	644
TOTAL INTEREST AND DIVIDEND INCOME	112,327	101,986	91,766
INTEREST EXPENSE
Deposits	14,381	16,860	8,139
Short-term borrowings	359	2,250	4,936
Long-term borrowings	1,396	498	190
TOTAL INTEREST EXPENSE	16,136	19,608	13,265
NET INTEREST INCOME	96,191	82,378	78,501
Provision for loan losses	9,100	2,450	3,000
NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES	87,091	79,928	75,501
NONINTEREST INCOME
Bank owned life insurance income, including death benefits	795	818	881
Security gains, including change in fair value for equity securities	380	42	271
Net gains on sale of loans	12,273	4,386	2,729
Other operating income	2,289	2,031	1,479
TOTAL NONINTEREST INCOME	37,155	28,602	25,499
NONINTEREST EXPENSE
Salaries and employee benefits	39,826	37,172	35,976
Occupancy and equipment	7,254	6,649	6,478
State and local taxes	2,138	1,826	1,887
Professional fees	2,733	3,122	2,856
Merger related costs (income)	3,223	197	(155)
Advertising	1,531	1,736	1,559
FDIC insurance	750	331	899
Intangible amortization	1,327	1,306	1,418
Core processing charges	3,551	3,370	3,073
Telephone and data	887	948	1,061
Other operating expenses	10,754	8,798	7,665
TOTAL NONINTEREST EXPENSE	73,974	65,455	62,717
INCOME BEFORE INCOME TAXES	50,272	43,075	38,283
INCOME TAXES	8,396	7,315	5,714
NET INCOME	$ 41,876	$ 35,760	$ 32,569
Basic	$ 1.48	$ 1.29	$ 1.18
Diluted	$ 1.47	$ 1.28	$ 1.16
Service Charges on Deposit Accounts
NONINTEREST INCOME
Noninterest income	$ 3,682	$ 4,514	$ 4,254
Trust Fees
NONINTEREST INCOME
Noninterest income	7,632	7,475	7,126
Insurance Agency Commissions
NONINTEREST INCOME
Noninterest income	3,124	2,919	2,621
Retirement Plan Consulting Fees
NONINTEREST INCOME
Noninterest income	1,523	1,489	1,684
Investment Commissions
NONINTEREST INCOME
Noninterest income	1,530	1,406	1,103
Debit Card and EFT Fees
NONINTEREST INCOME
Noninterest income	$ 3,927	$ 3,522	$ 3,351