Condensed Consolidated Statements of Income and Comprehensive Income (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Interest income:
Interest and fees on loans, including loans held for sale	$ 33,593	$ 32,847	$ 100,172	$ 97,691
Interest and dividends on securities
Taxable	2,030	2,044	6,188	7,007
Tax exempt	653	679	2,003	2,032
Interest and dividends on Federal Reserve Bank and Federal Home Loan Bank stock	251	252	757	756
Other, including interest on federal funds sold	152	90	460	234
Total interest income	36,679	35,912	109,580	107,720
Interest expense:
Interest on deposits	2,799	2,412	8,047	7,077
Interest on repurchase agreements and other short-term borrowings	288	231	836	689
Interest on advances from Federal Home Loan Bank	3	9	51	33
Interest on long-term debt	362	295	1,036	869
Total interest expense	3,452	2,947	9,970	8,668
Net interest income	33,227	32,965	99,610	99,052
Provision for loan losses	2,191	2,520	5,829	6,740
Net interest income after provision for loan losses	31,036	30,445	93,781	92,312
Noninterest income:
Service charges on deposit accounts	6,563	6,348	18,680	17,976
Gains on sales of loans, net	595	462	1,357	1,575
Trust and wealth management income	2,440	2,297	7,111	6,902
Loan related fees	1,260	641	2,610	2,747
Bank owned life insurance	560	581	1,628	1,623
Brokerage revenue	387	395	1,067	1,058
Securities gains	458	12	522	142
Other noninterest income	923	1,299	2,951	2,976
Total noninterest income	13,186	12,035	35,926	34,999
Noninterest expense:
Officer salaries and employee benefits	3,090	3,288	9,147	9,179
Other salaries and employee benefits	11,126	10,687	33,524	32,063
Occupancy, net	2,012	1,942	6,035	5,937
Equipment	733	746	2,177	2,295
Data processing	1,601	1,577	4,729	5,204
Bank franchise tax	1,492	1,272	4,291	3,816
Legal fees	455	505	1,437	1,604
Professional fees	473	524	1,395	1,497
Advertising and marketing	674	649	1,883	1,861
FDIC insurance	469	606	1,628	1,798
Other real estate owned provision and expense	873	1,289	1,892	2,525
Repossession expense	272	347	911	947
Amortization of limited partnership investments	546	1,031	2,078	2,002
Other noninterest expense	2,871	3,071	8,994	8,937
Total noninterest expense	26,687	27,534	80,121	79,665
Income before income taxes	17,535	14,946	49,586	47,646
Income taxes	5,223	3,724	14,106	13,084
Net income	12,312	11,222	35,480	34,562
Unrealized holding gains (losses) on securities available-for-sale:
Unrealized holding gains (losses) arising during the period	(2,374)	3,463	5,750	3,525
Less: Reclassification adjustments for realized gains included in net income	458	12	522	142
Tax expense (benefit)	(991)	1,208	1,830	1,184
Other comprehensive income (loss), net of tax	(1,841)	2,243	3,398	2,199
Comprehensive income	$ 10,471	$ 13,465	$ 38,878	$ 36,761
Basic earnings per share (in dollars per share)	$ 0.70	$ 0.64	$ 2.02	$ 1.98
Diluted earnings per share (in dollars per share)	$ 0.70	$ 0.64	$ 2.02	$ 1.98
Weighted average shares outstanding-basic (in shares)	17,554	17,440	17,532	17,420
Weighted average shares outstanding-diluted (in shares)	17,569	17,491	17,548	17,472
Dividends declared per share (in dollars per share)	$ 0.32	$ 0.31	$ 0.94	$ 0.91