Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Interest income
Loans	$ 69,237	$ 47,437
Securities
Taxable	4,462	4,415
Tax-exempt	2,488	2,254
Other	72	60
Total interest income	76,259	54,166
Interest expense
Deposits	3,960	3,499
Borrowings	2,245	1,886
Total interest expense	6,205	5,385
Net interest income	70,054	48,781
Provision for loan losses	1,800	1,075
Net interest income after provision for loan losses	68,254	47,706
Noninterest income
Service charges on deposit accounts	7,991	6,335
Fees and commissions	4,331	3,695
Insurance commissions	1,962	1,967
Wealth management revenue	2,891	2,156
Net loss on sales of securities	(71)	0
BOLI income	954	849
Mortgage banking income	11,915	5,429
Other	3,329	1,439
Total noninterest income	33,302	21,870
Noninterest expense
Salaries and employee benefits	42,393	28,260
Data processing	4,158	3,230
Net occupancy and equipment	8,224	5,559
Other real estate owned	957	532
Professional fees	1,214	824
Advertising and public relations	1,637	1,303
Intangible amortization	1,697	1,275
Communications	2,171	1,433
Merger and conversion related expenses	948	478
Other	6,415	4,425
Total noninterest expense	69,814	47,319
Income before income taxes	31,742	22,257
Income taxes	10,526	7,017
Net income (loss)	$ 21,216	$ 15,240
Basic earnings per share (usd per share)	$ 0.53	$ 0.48
Diluted earnings per share (usd per share)	0.52	0.48
Cash dividends per common share (usd per share)	$ 0.17	$ 0.17