CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Interest and Dividend Income:
Loans, including fees	$ 52,840	$ 49,677	$ 48,271
Taxable securities	5,503	5,239	4,958
Tax exempt securities	1,149	945	939
Interest-earning deposits	563	307	76
Total interest and dividend income	60,055	56,168	54,244
Interest Expense:
Deposits	2,168	2,170	2,003
Securities sold under agreements to repurchase	478	849	848
Borrowed funds	422	820	751
Total interest expense	3,068	3,839	3,602
Net interest income	56,987	52,329	50,642
Provision for loan losses	9,022	2,437	1,571
Net interest income after provision for loan losses	47,965	49,892	49,071
Non-Interest Income:
Wealth management group fee income	8,804	8,316	8,522
Service charges on deposit accounts	4,961	5,089	4,886
Interchange revenue from debit card transactions	3,761	4,027	3,307
Net gains on securities transactions	109	987	372
Net gain on sales of loans held for sale	260	326	294
Net gains on sales of other real estate owned	38	21	84
Income from bank owned life insurance	70	73	75
Other	2,488	2,310	2,907
Total non-interest income	20,491	21,149	20,447
Non-Interest Expenses:
Salaries and wages	21,476	20,954	21,223
Pension and other employee benefits	4,276	6,132	5,908
Net occupancy expenses	6,263	6,837	7,006
Furniture and equipment expenses	2,828	2,967	2,979
Data processing expense	6,539	6,593	6,586
Professional services	1,774	2,175	1,293
Legal accruals and settlements	850	1,200	0
Amortization of intangible assets	860	986	1,136
Marketing and advertising expense	794	877	899
Other real estate owned expenses	110	180	812
FDIC insurance	1,236	1,193	1,075
Loan expense	694	669	693
Other	6,064	5,847	5,817
Total non-interest expenses	53,764	56,610	55,427
Income before income tax expense	14,692	14,431	14,091
Income tax expense	7,262	4,404	4,658
Net income	$ 7,430	$ 10,027	$ 9,433
Weighted average shares outstanding (in shares)	4,800	4,762	4,719
Basic and diluted earnings per share (in dollars per share)	$ 1.55	$ 2.11	$ 2.00