CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Interest income
Loans	$ 23,887	$ 18,305	$ 47,803	$ 36,668
Investment securities - taxable	459	143	696	266
Investment securities - tax exempt	5,644	6,021	11,509	11,979
Mortgage-backed securities	7,666	7,557	16,128	15,239
FHLB stock and other investments	65	38	158	108
Other interest earning assets	29	22	63	65
Total interest income	37,750	32,086	76,357	64,325
Interest expense
Deposits	2,493	1,984	5,022	4,100
Short-term obligations	154	56	296	127
Long-term obligations	2,198	2,190	4,343	4,350
Total interest expense	4,845	4,230	9,661	8,577
Net interest income	32,905	27,856	66,696	55,748
Provision for loan losses	268	2,650	4,116	6,783
Net interest income after provision for loan losses	32,637	25,206	62,580	48,965
Noninterest income
Deposit services	4,920	3,794	9,909	7,432
Net gain on sale of securities available for sale	105	498	2,581	509
Gain on sale of loans	822	81	1,199	161
Trust income	820	762	1,713	1,542
Bank owned life insurance income	653	307	1,322	621
Other	1,099	1,073	2,743	2,056
Total noninterest income	8,419	6,515	19,467	12,321
Noninterest expense
Salaries and employee benefits	16,869	13,092	35,068	26,194
Occupancy expense	2,593	1,786	6,052	3,540
Advertising, travel & entertainment	683	605	1,340	1,148
ATM and debit card expense	750	302	1,429	619
Professional fees	793	1,304	1,535	2,231
Software and data processing expense	1,237	486	2,268	987
Telephone and communications	603	320	1,072	598
FDIC insurance	629	434	1,267	882
Other	3,768	2,097	7,603	4,409
Total noninterest expense	27,925	20,426	57,634	40,608
Income before income tax expense	13,131	11,295	24,413	20,678
Income tax expense	1,967	838	3,870	1,997
Net income	$ 11,164	$ 10,457	$ 20,543	$ 18,681
Earnings per common share - basic (in dollars per share)	$ 0.44	$ 0.53	$ 0.81	$ 0.94
Earnings per common share - diluted (in dollars per share)	0.44	0.53	0.81	0.94
Dividends paid on common stock (in dollars per shares)	$ 0.23	$ 0.21	$ 0.46	$ 0.42