Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Interest income
Loans	$ 126,302	$ 94,118
Securities
Taxable	7,925	3,994
Tax-exempt	1,409	1,685
Other	1,458	583
Total interest income	137,094	100,380
Interest expense
Deposits	19,772	8,059
Borrowings	4,175	3,081
Total interest expense	23,947	11,140
Net interest income	113,147	89,240
Provision for loan losses	1,500	1,750
Net interest income after provision for loan losses	111,647	87,490
Noninterest income
Service charges on deposit accounts	9,102	8,473
Fees and commissions	6,471	5,685
Insurance commissions	2,116	2,005
Wealth management revenue	3,324	3,262
Mortgage banking income	10,401	10,960
Net gain on sales of securities	13	0
BOLI income	1,407	945
Other	3,051	2,623
Total noninterest income	35,885	33,953
Noninterest expense
Salaries and employee benefits	57,350	48,784
Data processing	4,906	4,244
Net occupancy and equipment	11,835	9,822
Other real estate owned	1,004	657
Professional fees	2,454	2,138
Advertising and public relations	2,866	2,203
Intangible amortization	2,110	1,651
Communications	1,895	1,969
Merger and conversion related expenses	0	900
Other	4,412	5,576
Total noninterest expense	88,832	77,944
Income before income taxes	58,700	43,499
Income taxes	13,590	9,673
Net income (loss)	$ 45,110	$ 33,826
Basic earnings per share (usd per share)	$ 0.77	$ 0.69
Diluted earnings per share (usd per share)	0.77	0.68
Cash dividends per common share (usd per share)	$ 0.21	$ 0.19