Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Interest income
Loans	$ 108,577	$ 92,536	$ 301,351	$ 247,076
Securities
Taxable	6,632	5,061	16,326	14,040
Tax-exempt	1,592	2,400	4,926	7,284
Other	994	698	2,146	1,763
Total interest income	117,795	100,695	324,749	270,163
Interest expense
Deposits	13,556	6,834	32,534	17,297
Borrowings	4,800	3,844	11,147	9,231
Total interest expense	18,356	10,678	43,681	26,528
Net interest income	99,439	90,017	281,068	243,635
Provision for loan losses	2,250	2,150	5,810	5,400
Net interest income after provision for loan losses	97,189	87,867	275,258	238,235
Noninterest income
Service charges on deposit accounts	8,847	8,676	25,591	24,565
Fees and commissions	5,944	5,618	17,546	16,287
Insurance commissions	2,461	2,365	6,576	6,406
Wealth management revenue	3,386	2,963	10,094	8,884
Mortgage banking income	14,350	10,616	38,149	33,544
Net gain on sales of securities	(16)	57	(16)	57
BOLI income	1,186	1,136	3,326	3,234
Other	1,895	1,982	6,321	6,722
Total noninterest income	38,053	33,413	107,587	99,699
Noninterest expense
Salaries and employee benefits	55,187	48,530	155,981	135,753
Data processing	4,614	4,179	13,458	12,248
Net occupancy and equipment	10,668	9,470	30,295	27,603
Other real estate owned	278	603	1,167	1,916
Professional fees	2,056	1,552	6,370	5,501
Advertising and public relations	2,242	1,802	7,092	5,824
Intangible amortization	1,765	1,766	5,010	4,822
Communications	2,190	1,927	6,036	5,698
Extinguishment of debt	0	0	0	205
Merger and conversion related expenses	11,221	6,266	12,621	9,655
Other	4,525	4,565	13,686	15,585
Total noninterest expense	94,746	80,660	251,716	224,810
Income before income taxes	40,496	40,620	131,129	113,124
Income taxes	8,532	14,199	28,629	37,447
Net income (loss)	$ 31,964	$ 26,421	$ 102,500	$ 75,677
Basic earnings per share (usd per share)	$ 0.61	$ 0.54	$ 2.03	$ 1.64
Diluted earnings per share (usd per share)	0.61	0.53	2.03	1.64
Cash dividends per common share (usd per share)	$ 0.2	$ 0.18	$ 0.59	$ 0.54