Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Interest income
Loans	$ 75,071	$ 50,632	$ 40,623
Investment securities - taxable	14,530	10,858	7,478
Investment securities - tax-exempt	2,054	3,850	3,134
Short term investments	1,339	327	218
Total interest income	92,994	65,667	51,453
Interest expense
Deposits	19,310	10,229	6,134
Short-term borrowings	623	1,577	784
Long-term debt	1,779	1,632	726
Subordinated notes	1,987	73	0
Total interest expense	23,699	13,511	7,644
Net interest income	69,295	52,156	43,809
Provision for loan losses	900	800	1,000
Net interest income after provision for loan losses	68,395	51,356	42,809
Noninterest income
Service charges on deposit accounts	3,404	3,233	3,057
Interchange income	3,281	2,821	2,618
Other service charges, commissions and fees	805	907	570
Loan swap referral fees	1,197	0	0
Trust and investment management income	7,255	6,576	6,400
Brokerage income	2,426	2,035	1,896
Mortgage banking activities	3,049	2,663	2,919
Income from life insurance	2,044	1,463	1,109
Other income	331	320	190
Investment securities gains	4,749	1,006	1,190
Total noninterest income	28,541	21,024	19,949
Noninterest expenses
Salaries and employee benefits	39,495	32,524	30,145
Occupancy	4,325	3,084	2,806
Furniture and equipment	4,723	4,079	3,434
Data processing	3,599	2,674	2,271
Automated teller and interchange fees	1,015	806	767
Advertising and bank promotions	1,967	1,592	1,600
FDIC insurance	367	681	606
Legal fees	585	413	802
Other professional services	2,369	1,434	1,571
Directors' compensation	1,003	984	996
Taxes other than income	1,018	1,012	866
Intangible asset amortization	1,570	286	102
Merger related and branch consolidation expenses	8,964	3,197	0
Insurance claim receivable write off	615	0	0
Other operating expenses	5,687	5,169	4,364
Total noninterest expenses	77,302	57,935	50,330
Income before income tax expense	19,634	14,445	12,428
Income tax expense	2,710	1,640	4,338
Net income	$ 16,924	$ 12,805	$ 8,090
Per share information:
Basic earnings per share (in dollars per share)	$ 1.63	$ 1.53	$ 1.00
Diluted earnings per share (in dollars per share)	1.61	1.50	0.98
Dividends per share (in dollars per share)	$ 0.60	$ 0.51	$ 0.42