Condensed Consolidated Statements of Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Interest income
Loans, including fees	$ 26,887,000	$ 25,587,000	$ 53,666,000	$ 50,898,000
Securities, taxable	2,657,000	1,489,000	4,173,000	3,174,000
Securities, tax-exempt	540,000	523,000	1,077,000	1,060,000
Other interest-earning assets	63,000	64,000	120,000	120,000
Total interest income	30,147,000	27,663,000	59,036,000	55,252,000
Interest expense
Deposits	1,819,000	1,775,000	3,685,000	3,675,000
Short-term borrowings	47,000	39,000	91,000	76,000
Federal Home Loan Bank advances	575,000	151,000	925,000	303,000
Subordinated debentures and other borrowings	606,000	657,000	1,353,000	1,308,000
Total interest expense	3,047,000	2,622,000	6,054,000	5,362,000
Net interest income	27,100,000	25,041,000	52,982,000	49,890,000
Provision for loan losses	1,100,000	(600,000)	1,700,000	(1,000,000)
Net interest income after provision for loan losses	26,000,000	25,641,000	51,282,000	50,890,000
Noninterest income
Services charges on deposit and sweep accounts	1,090,000	812,000	2,038,000	1,582,000
Credit and debit card income	1,080,000	1,079,000	2,095,000	2,291,000
Mortgage banking activities	744,000	999,000	1,342,000	1,687,000
Earnings on bank owned life insurance	298,000	262,000	584,000	548,000
Gain on trust preferred securities repurchase	0	0	2,970,000	0
Other income	852,000	869,000	2,121,000	1,607,000
Total noninterest income	4,064,000	4,021,000	11,150,000	7,715,000
Noninterest expense
Salaries and benefits	10,801,000	11,074,000	21,796,000	21,158,000
Occupancy	1,480,000	1,479,000	3,084,000	3,052,000
Furniture and equipment	522,000	596,000	1,047,000	1,220,000
Data processing costs	1,970,000	1,872,000	3,962,000	3,642,000
FDIC insurance costs	365,000	483,000	757,000	960,000
Other expense	4,055,000	4,846,000	8,415,000	9,559,000
Total noninterest expenses	19,193,000	20,350,000	39,061,000	39,591,000
Income before federal income tax expense	10,871,000	9,312,000	23,371,000	19,014,000
Federal income tax expense	3,437,000	2,754,000	7,388,000	5,810,000
Net income	$ 7,434,000	$ 6,558,000	$ 15,983,000	$ 13,204,000
Basic earnings per share (in dollars per share)	$ 0.46	$ 0.39	$ 0.98	$ 0.78
Diluted earnings per share (in dollars per share)	0.46	0.39	0.98	0.78
Cash dividends per common share (in dollars per share)	$ 0.16	$ 0.14	$ 0.32	$ 0.28
Average basic shares outstanding (in shares)	16,240,966	16,767,393	16,266,311	16,852,002
Average diluted shares outstanding (in shares)	16,268,839	16,803,846	16,293,250	16,887,702