Condensed Consolidated Statements of Income (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Interest income
Loans, including fees	$ 27,553,000	$ 26,565,000	$ 81,219,000	$ 77,463,000
Securities, taxable	1,488,000	1,382,000	5,661,000	4,556,000
Securities, tax-exempt	545,000	512,000	1,622,000	1,572,000
Other interest-earning assets	120,000	42,000	240,000	161,000
Total interest income	29,706,000	28,501,000	88,742,000	83,752,000
Interest expense
Deposits	1,924,000	1,969,000	5,608,000	5,642,000
Short-term borrowings	62,000	39,000	154,000	116,000
Federal Home Loan Bank advances	670,000	203,000	1,595,000	506,000
Subordinated debentures and other borrowings	600,000	665,000	1,952,000	1,973,000
Total interest expense	3,256,000	2,876,000	9,309,000	8,237,000
Net interest income	26,450,000	25,625,000	79,433,000	75,515,000
Provision for loan losses	600,000	(500,000)	2,300,000	(1,500,000)
Net interest income after provision for loan losses	25,850,000	26,125,000	77,133,000	77,015,000
Noninterest income
Services charges on deposit and sweep accounts	1,140,000	862,000	3,178,000	2,444,000
Credit and debit card income	1,090,000	1,005,000	3,185,000	3,296,000
Mortgage banking activities	1,236,000	1,073,000	2,578,000	2,784,000
Earnings on bank owned life insurance	349,000	272,000	933,000	820,000
Gain on trust preferred securities repurchase	0	0	2,970,000	0
Other income	1,469,000	1,065,000	3,590,000	2,648,000
Total noninterest income	5,284,000	4,277,000	16,434,000	11,992,000
Noninterest expense
Salaries and benefits	11,162,000	10,745,000	32,959,000	31,903,000
Occupancy	1,515,000	1,526,000	4,600,000	4,578,000
Furniture and equipment	531,000	569,000	1,579,000	1,788,000
Data processing costs	1,987,000	1,958,000	5,949,000	5,599,000
FDIC insurance costs	351,000	355,000	1,108,000	1,315,000
Other expense	4,117,000	4,540,000	12,530,000	14,101,000
Total noninterest expenses	19,663,000	19,693,000	58,725,000	59,284,000
Income before federal income tax expense	11,471,000	10,709,000	34,842,000	29,723,000
Federal income tax expense	3,626,000	3,373,000	11,014,000	9,183,000
Net income	$ 7,845,000	$ 7,336,000	$ 23,828,000	$ 20,540,000
Basic earnings per share (in dollars per share)	$ 0.48	$ 0.45	$ 1.46	$ 1.23
Diluted earnings per share (in dollars per share)	0.48	0.45	1.46	1.23
Cash dividends per common share (in dollars per share)	$ 0.17	$ 0.15	$ 0.49	$ 0.43
Average basic shares outstanding (in shares)	16,282,804	16,425,933	16,271,848	16,708,444
Average diluted shares outstanding (in shares)	16,307,350	16,461,794	16,294,093	16,743,625