Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Interest Income
Interest and fees on loans	$ 64,613	$ 50,751	$ 122,710	$ 99,946
Interest on investment securities:
Taxable	2,202	2,248	4,509	4,631
Tax-exempt	2,185	1,671	4,091	3,375
Dividends on nonmarketable equity securities	551	411	749	649
Interest on deposits with the Federal Reserve Bank and other banks	128	99	250	224
Total interest income	69,679	55,180	132,309	108,825
Interest Expense
Interest on deposits	3,630	3,626	6,982	7,371
Interest on short-term borrowings	101	94	199	215
Interest on other borrowings	213	0	213	0
Total interest expense	3,944	3,720	7,394	7,586
Net Interest Income	65,735	51,460	124,915	101,239
Provision for loan losses	1,500	1,500	3,000	3,100
Net interest income after provision for loan losses	64,235	49,960	121,915	98,139
Noninterest Income
Service charges and fees on deposit accounts	6,445	5,486	12,361	10,416
Wealth management revenue	5,605	3,958	10,676	7,589
Other charges and fees for customer services	6,516	4,682	12,506	8,876
Mortgage banking revenue	1,688	1,491	3,091	2,285
Gain on sale of investment securities	28	0	607	0
Other	392	184	708	351
Total noninterest income	20,674	15,801	39,949	29,517
Operating Expenses
Salaries, wages and employee benefits	31,711	24,860	60,964	49,044
Occupancy	4,386	3,638	8,812	8,012
Equipment and software	4,480	3,413	8,878	6,874
Business Combination, Acquisition Related Costs	3,457	647	4,819	970
Other	12,751	9,867	24,332	19,707
Total operating expenses	56,785	42,425	107,805	84,607
Income before income taxes	28,124	23,336	54,059	43,049
Federal income tax expense	9,100	7,100	17,200	13,000
Net Income	$ 19,024	$ 16,236	$ 36,859	$ 30,049
Net Income Per Common Share:
Basic (in dollars per share)	$ 0.54	$ 0.54	$ 1.08	$ 1.00
Diluted (in dollars per share)	0.54	0.54	1.08	1.00
Cash Dividends Declared Per Common Share (dollars per share)	$ 0.24	$ 0.23	$ 0.48	$ 0.46