CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Interest income
Interest and fees on loans held for investment	$ 21,914	$ 22,834
Interest on securities - taxable	1,035	2,097
Interest on securities - nontaxable	1,016	1,122
Interest on deposits in banks	133	30
Total interest income	24,098	26,083
Interest expense
Interest on deposits	1,730	1,888
Interest on short-term borrowings	490	502
Interest on long-term debt	1,039	1,668
Total interest expense	3,259	4,058
Net interest income	20,839	22,025
Provision for loan losses	1,100	1,793
Net interest income after provision for loan losses	19,739	20,232
Noninterest income
Wealth management	666	1,008
Service charges on deposit accounts	2,903	3,070
Other service charges and fees	2,008	1,771
Insurance commissions	2,127	1,964
Impairment losses on securities		(264)
Portion of losses recognized in other comprehensive income	0	0
Net impairment losses recognized in earnings		(264)
Net (loss) gain on sale of securities	(23)	45
Net FDIC indemnification asset amortization	(1,565)	(1,134)
Other operating income	720	774
Total noninterest income	6,836	7,234
Noninterest expense
Salaries and employee benefits	9,693	9,905
Occupancy expense of bank premises	1,534	1,778
Furniture and equipment	1,237	1,194
Amortization of intangible assets	277	175
FDIC premiums and assessments	415	434
Merger, acquisition, and divestiture expense	86
Other operating expense	4,538	5,694
Total noninterest expense	17,780	19,180
Income before income taxes	8,795	8,286
Income tax expense	2,837	2,561
Net income	5,958	5,725
Dividends on preferred stock	105	228
Net income available to common shareholders	$ 5,853	$ 5,497
Basic earnings per common share	$ 0.31	$ 0.30
Diluted earnings per common share	$ 0.31	$ 0.29
Cash dividends per common share	$ 0.13	$ 0.12
Weighted average basic shares outstanding	18,633,574	18,423,123
Weighted average diluted shares outstanding	19,344,443	19,506,647