CONSOLIDATED STATEMENTS OF INCOME - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Interest and Dividend Income
Loans, including fees	$ 59,755,000	$ 49,611,000	$ 44,919,000
Interest and dividends on investment securities	5,153,000	3,906,000	3,108,000
Interest on deposits with banks	265,000	53,000	20,000
Total interest and dividend income	65,173,000	53,570,000	48,047,000
Interest Expense
Deposits	10,682,000	5,946,000	4,695,000
Short-term borrowings	767,000	1,057,000	196,000
Long-term debt	2,837,000	3,179,000	3,251,000
Total interest expense	14,286,000	10,182,000	8,142,000
Net interest income	50,887,000	43,388,000	39,905,000
Provision for loan losses	1,405,000	1,010,000	2,359,000
Net interest income after provision for loan losses	49,482,000	42,378,000	37,546,000
Noninterest Income
Loan appraisal, credit, and miscellaneous charges	183,000	157,000	289,000
Gain on sale of assets	1,000	47,000	12,000
Net gain on sale of investment securities		175,000	31,000
Unrealized loss on equity securities	(81,000)
Income from bank owned life insurance	902,000	773,000	789,000
Service charges	3,063,000	2,595,000	2,675,000
Gain on sale of loans held for sale		294,000
Total noninterest income	4,068,000	4,041,000	3,796,000
Noninterest Expense
Salary and employee benefits	19,548,000	16,758,000	16,810,000
Occupancy expense	3,116,000	2,632,000	2,488,000
Advertising	671,000	543,000	647,000
Data processing expense	3,020,000	2,354,000	2,267,000
Professional fees	1,513,000	1,662,000	1,568,000
Merger and acquisition costs	3,625,000	829,000
Depreciation of premises and equipment	810,000	786,000	812,000
Telephone communications	277,000	191,000	174,000
Office supplies	149,000	119,000	136,000
FDIC insurance	654,000	638,000	739,000
OREO valuation allowance and expenses	657,000	703,000	1,297,000
Core deposit intangible amortization	784,000
Other	3,325,000	2,839,000	2,657,000
Total noninterest expense	38,149,000	30,054,000	29,595,000
Income before income taxes	15,401,000	16,365,000	11,747,000
Income tax expense	4,173,000	9,157,000	4,416,000
Net income	$ 11,228,000	$ 7,208,000	$ 7,331,000
Earnings Per Common Share
Basic (in dollars per share)	$ 2.02	$ 1.56	$ 1.59
Diluted (in dollars per share)	2.02	1.56	1.59
Cash dividends paid per common share (in dollars per share)	$ 0.40	$ 0.40	$ 0.40