Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Interest income
Loans	$ 80,133	$ 76,785	$ 154,540	$ 146,022
Securities
Taxable	4,627	4,654	8,979	9,115
Tax-exempt	2,310	2,465	4,884	4,953
Other	509	104	1,065	177
Total interest income	87,579	84,008	169,468	160,267
Interest expense
Deposits	5,314	4,420	10,463	8,380
Borrowings	2,662	2,431	5,387	4,676
Total interest expense	7,976	6,851	15,850	13,056
Net interest income	79,603	77,157	153,618	147,211
Provision for loan losses	1,750	1,430	3,250	3,230
Net interest income after provision for loan losses	77,853	75,727	150,368	143,981
Noninterest income
Service charges on deposit accounts	7,958	7,521	15,889	15,512
Fees and commissions	5,470	4,877	10,669	9,121
Insurance commissions	2,181	2,175	4,041	4,137
Wealth management revenue	3,037	2,872	5,921	5,763
Mortgage banking income	12,424	13,420	22,928	25,335
Net gain on sales of securities	0	1,257	0	1,186
BOLI income	985	996	2,098	1,950
Other	2,210	2,468	4,740	5,884
Total noninterest income	34,265	35,586	66,286	68,888
Noninterest expense
Salaries and employee benefits	45,014	45,387	87,223	87,780
Data processing	3,835	4,502	8,069	8,660
Net occupancy and equipment	8,814	8,531	18,133	16,755
Other real estate owned	781	1,614	1,313	2,571
Professional fees	1,882	1,846	3,949	3,635
Advertising and public relations	2,430	1,742	4,022	3,379
Intangible amortization	1,493	1,742	3,056	3,439
Communications	1,908	2,040	3,771	4,211
Extinguishment of debt	0	329	205	329
Merger and conversion related expenses	3,044	2,807	3,389	3,755
Other	5,640	6,719	11,020	12,559
Total noninterest expense	74,841	77,259	144,150	147,073
Income before income taxes	37,277	34,054	72,504	65,796
Income tax expense (benefit)	11,993	11,154	23,248	21,680
Net income (loss)	$ 25,284	$ 22,900	$ 49,256	$ 44,116
Basic earnings per share (usd per share)	$ 0.57	$ 0.54	$ 1.11	$ 1.07
Diluted earnings per share (usd per share)	0.57	0.54	1.11	1.06
Cash dividends per common share (usd per share)	$ 0.18	$ 0.18	$ 0.36	$ 0.35