Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Interest and Dividend Income:
Interest and fees on loans	$ 55,276	$ 47,971	$ 46,860
Interest on federal funds sold	0	0	6
Interest and dividends on securities:
Taxable	4,666	4,454	4,072
Tax-exempt	2,043	3,135	3,681
Dividends	319	334	346
Other interest income	734	276	204
Total interest and dividend income	63,038	56,170	55,169
Interest Expense:
Interest on deposits	5,794	5,103	4,811
Interest on short-term borrowings	173	10	9
Interest on long-term borrowings	296	325	324
Interest on junior subordinated debt	1,028	878	760
Total interest expense	7,291	6,316	5,904
Net Interest Income	55,747	49,854	49,265
Provision for Loan Losses	1,016	250	950
Net Interest Income after Provision for Loan Losses	54,731	49,604	48,315
Noninterest Income:
Trust fees	3,926	3,791	3,935
Service charges on deposit accounts	2,002	2,048	2,066
Other fees and commissions	2,895	2,680	2,377
Mortgage banking income	2,208	1,713	1,320
Securities gains, net	812	836	867
Brokerage fees	829	843	946
Income from Small Business Investment Companies	236	463	912
Gains (losses) on premises and equipment, net	344	(9)	11
Other	975	1,140	853
Total noninterest income	14,227	13,505	13,287
Noninterest Expense:
Salaries	19,829	17,568	16,554
Employee benefits	4,519	4,264	4,311
Occupancy and equipment	4,487	4,246	4,425
FDIC assessment	538	647	750
Bank franchise tax	1,072	995	898
Core deposit intangible amortization	528	964	1,201
Data processing	2,014	1,828	1,725
Software	1,144	1,143	1,158
Other real estate owned, net	303	336	99
Merger related expenses	0	0	1,998
Other	8,449	7,810	7,424
Total noninterest expense	42,883	39,801	40,543
Income Before Income Taxes	26,075	23,308	21,059
Income Taxes	10,826	7,007	6,020
Net Income	$ 15,249	$ 16,301	$ 15,039
Net Income Per Common Share:
Basic (in dollars per share)	$ 1.76	$ 1.89	$ 1.73
Diluted (in dollars per share)	$ 1.76	$ 1.89	$ 1.73
Average Common Shares Outstanding:
Basic (in shares)	8,641,717	8,611,507	8,680,502
Diluted (in shares)	8,660,628	8,621,241	8,688,450