Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Interest income
Loans	$ 67,527	$ 49,833	$ 165,418	$ 150,658
Securities
Taxable	4,193	4,144	12,634	12,998
Tax-exempt	2,529	2,308	7,029	6,821
Other	51	73	154	335
Total interest income	74,300	56,358	185,235	170,812
Interest expense
Deposits	3,547	3,915	10,155	12,424
Borrowings	2,073	1,971	5,888	5,776
Total interest expense	5,620	5,886	16,043	18,200
Net interest income	68,680	50,472	169,192	152,612
Provision for loan losses	750	2,217	3,000	5,117
Net interest income after provision for loan losses	67,930	48,255	166,192	147,495
Noninterest income
Service charges on deposit accounts	8,151	7,107	21,008	19,851
Fees and commissions	5,704	5,877	15,150	15,729
Insurance commissions	2,381	2,270	6,467	6,221
Wealth management revenue	2,871	2,197	7,309	6,511
Gains on sales of securities	0	375	96	375
BOLI income	1,110	811	2,668	2,288
Gains on sales of mortgage loans held for sale	10,578	2,635	20,618	6,226
Other	1,322	1,291	3,622	3,449
Total noninterest income	32,117	22,563	76,938	60,650
Noninterest expense
Salaries and employee benefits	43,048	29,569	101,702	87,807
Data processing	3,773	2,906	10,106	8,451
Net occupancy and equipment	7,733	5,353	18,816	15,106
Other real estate owned	861	1,101	2,347	3,870
Professional fees	1,242	1,018	3,238	3,607
Advertising and public relations	1,567	1,133	4,351	4,549
Intangible amortization	1,803	1,381	4,317	4,279
Communications	2,339	1,079	5,263	4,462
Merger-related expenses	7,746	0	9,691	195
Other	5,973	4,635	14,844	12,890
Total noninterest expense	76,085	48,175	174,675	145,216
Income before income taxes	23,962	22,643	68,455	62,929
Income taxes	7,742	7,108	21,601	18,944
Net income	$ 16,220	$ 15,535	$ 46,854	$ 43,985
Basic earnings per share (usd per share)	$ 0.40	$ 0.49	$ 1.36	$ 1.40
Diluted earnings per share (usd per share)	0.40	0.49	1.35	1.39
Cash dividends per common share (usd per share)	$ 0.17	$ 0.17	$ 0.51	$ 0.51