CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Interest income
Loans, including fees	$ 122,290	$ 67,748	$ 197,210	$ 134,616
Investment securities
Taxable	20,844	12,598	34,514	24,206
Tax-exempt	4,068	1,457	5,725	2,810
Total interest on investment securities	24,912	14,055	40,239	27,016
Other earning assets	177	(1,014)	284	(2,015)
Total interest income	147,379	80,789	237,733	159,617
Interest expense
Deposits	14,794	8,679	25,092	15,604
Short-term borrowings	4,132	2,051	6,795	3,483
Long-term borrowings	4,474	1,539	6,055	3,078
Total interest expense	23,400	12,269	37,942	22,165
Net interest income	123,979	68,520	199,791	137,452
Provision for loan and lease losses	3,735	467	6,038	834
Net interest income after provision for loan and lease losses	120,244	68,053	193,753	136,618
Noninterest income
Service charges on deposit accounts	9,568	4,772	14,607	9,416
Trust and wealth management fees	3,697	3,405	7,651	7,152
Bankcard income	5,343	3,501	8,737	6,636
Client derivative fees	1,463	1,489	3,220	2,592
Net gain from sales of loans	2,316	1,327	2,904	2,543
Net gain (loss) on sales of investment securities	(30)	838	(30)	1,354
Other	5,899	2,122	8,105	5,125
Total noninterest income	28,256	17,454	45,194	34,818
Noninterest expenses
Salaries and employee benefits	55,531	31,544	86,633	63,294
Net occupancy	6,631	4,302	11,128	8,817
Furniture and equipment	5,298	2,136	7,338	4,313
Data processing	14,304	3,501	17,976	6,799
Marketing	2,644	982	3,445	1,492
Communication	1,118	468	1,577	915
Professional services	5,659	1,469	7,857	3,227
State intangible tax	1,078	721	1,843	1,442
FDIC assessments	1,323	1,018	2,217	1,950
Loss (gain) - other real estate owned	(283)	162	(206)	186
Other	9,452	5,253	15,235	10,166
Total noninterest expenses	102,755	51,556	155,043	102,601
Income before income taxes	45,745	33,951	83,904	68,835
Income tax expense	9,327	11,215	16,980	21,685
Net income	$ 36,418	$ 22,736	$ 66,924	$ 47,150
Earnings per common share
Basic	$ 0.37	$ 0.37	$ 0.84	$ 0.77
Diluted	0.37	0.37	0.83	0.76
Cash dividends declared per share	$ 0.19	$ 0.17	$ 0.38	$ 0.34
Average common shares outstanding - basic	97,347,533	61,543,478	79,599,709	61,471,347
Average common shares outstanding - diluted	98,432,072	62,234,022	80,629,495	62,187,473