CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Interest income
Loans, including fees	$ 64,424	$ 54,586	$ 127,823	$ 109,050
Investment securities
Taxable	10,706	9,281	22,079	18,889
Tax-exempt	1,156	1,139	2,318	2,256
Total interest on investment securities	11,862	10,420	24,397	21,145
Other earning assets	(1,103)	(1,162)	(2,242)	(2,343)
Total interest income	75,183	63,844	149,978	127,852
Interest expense
Deposits	5,457	4,621	10,987	9,441
Short-term borrowings	1,053	253	2,223	556
Long-term borrowings	1,541	296	3,081	595
Total interest expense	8,051	5,170	16,291	10,592
Net interest income	67,132	58,674	133,687	117,260
Provision for loan and lease losses	4,037	3,070	5,692	5,130
Net interest income after provision for loan and lease losses	63,095	55,604	127,995	112,130
Noninterest income
Service charges on deposit accounts	4,455	4,803	8,836	9,326
Trust and wealth management fees	3,283	3,274	6,723	6,908
Bankcard income	3,130	2,972	6,012	5,592
Client derivative fees	1,799	878	2,894	1,840
Net gains from sales of loans	1,846	1,924	3,027	3,388
Net gains on sales of investment securities	(188)	1,094	(164)	1,094
FDIC loss sharing income	59	(304)	(506)	(1,350)
Accelerated discount on covered/formerly covered loans	1,191	4,094	2,162	6,186
Other	4,619	2,680	6,722	6,044
Total noninterest income	20,194	21,415	35,706	39,028
Noninterest expenses
Salaries and employee benefits	29,526	27,451	59,141	54,392
Net occupancy	4,491	4,380	9,448	9,385
Furniture and equipment	2,130	2,219	4,343	4,372
Data processing	2,765	2,657	5,483	5,429
Marketing	801	973	1,866	1,861
Communication	477	558	958	1,128
Professional services	1,299	1,727	3,112	3,697
State intangible tax	639	577	1,278	1,154
FDIC assessments	1,112	1,114	2,244	2,204
Loss (gain) - other real estate owned	43	419	(147)	893
Loss sharing expense	(12)	576	285	877
Other	6,142	6,135	12,122	11,462
Total noninterest expenses	49,413	48,786	100,133	96,854
Income before income taxes	33,876	28,233	63,568	54,304
Income tax expense	11,308	9,284	21,186	17,734
Net income	$ 22,568	$ 18,949	$ 42,382	$ 36,570
Earnings per common share
Basic	$ 0.37	$ 0.31	$ 0.69	$ 0.60
Diluted	0.36	0.31	0.68	0.59
Cash dividends declared per share	$ 0.16	$ 0.16	$ 0.32	$ 0.32
Average common shares outstanding - basic	61,194,254	61,115,802	61,115,525	61,064,928
Average common shares outstanding - diluted	62,027,008	61,915,294	61,912,366	61,824,106