Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Interest income:
Interest and fees on loans	$ 48,460	$ 44,799	$ 42,184
Taxable	7,741	7,499	9,153
Exempt from federal income tax	2,807	2,352	2,069
Interest on certificates of deposit investments	44	0	14
Interest on federal funds sold	0	1	6
Interest on deposits with other financial institutions	199	83	33
Total interest income	59,251	54,734	53,459
Interest expense:
Interest on deposits	2,282	2,351	2,703
Interest on securities sold under agreements to repurchase	62	47	46
Interest on FHLB borrowings	616	339	254
Interest on other borrowings	13	1	9
Interest on subordinated debentures	526	514	523
Total interest expense	3,499	3,252	3,535
Net interest income	55,752	51,482	49,924
Provision for loan losses	1,318	629	2,193
Net interest income after provision for loan losses	54,434	50,853	47,731
Other income:
Trust revenues	3,746	3,571	3,565
Brokerage commissions	1,315	1,039	833
Insurance commissions	2,107	1,796	1,638
Service charges	5,681	5,264	4,865
Securities gains, net	452	715	2,293
Mortgage banking revenue, net	754	596	935
ATM / debit card revenue	4,676	3,915	3,772
Other income	(1,813)	(1,473)	(1,440)
Total other income	20,544	18,369	19,341
Other expense:
Salaries and employee benefits	26,337	24,771	24,128
Net occupancy and equipment expense	9,143	8,347	8,223
Net other real estate owned expense	19	23	163
Amortization of intangible assets	904	804	832
Amortization of intangible assets	891	643	674
Stationery and supplies	681	646	603
Legal and professional	2,474	2,333	2,070
Marketing and donations	1,092	1,015	1,221
Other expense	7,707	5,925	5,590
Total other expense	49,248	44,507	43,504
Income before income taxes	25,730	24,715	23,568
Income taxes	9,218	9,254	8,846
Net income	16,512	15,461	14,722
Dividends on preferred shares	2,200	4,152	4,417
Net income available to common stockholders	$ 14,312	$ 11,309	$ 10,305
Per share data:
Basic net income per common share available to common stockholders	$ 1.84	$ 1.88	$ 1.74
Diluted earnings per common share	1.81	1.85	1.73
Cash dividends declared per common share	$ 0.59	$ 0.55	$ 0.46