Consolidated Statements of Income (unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Interest, fee, and dividend income
Interest and fees on loans	$ 60,559	$ 62,031	$ 120,574	$ 115,726
Securities available for sale	6,612	6,537	13,369	12,283
Securities held to maturity	783	548	1,551	1,073
Other	502	488	1,039	891
Total interest, fee, and dividend income	68,456	69,604	136,533	129,973
Interest expense
Deposits	3,000	4,296	6,284	8,446
Short-term borrowings	209	67	440	109
Long-term debt	2,135	3,026	4,642	6,635
Junior subordinated debt	538	560	1,076	988
Total interest expense	5,882	7,949	12,442	16,178
Net interest income	62,574	61,655	124,091	113,795
Provision for loan and lease losses	4,166	6,402	7,762	12,060
Net interest income after provision for loan losses	58,408	55,253	116,329	101,735
Noninterest income
Insurance and other financial services revenue	5,594	5,755	12,331	12,648
Service charges on deposit accounts	4,397	4,933	8,766	9,256
ATM and debit card fees	4,357	4,044	8,429	7,286
Retirement plan administration fees	2,977	2,957	5,895	5,639
Trust	4,953	4,699	9,399	7,612
Bank owned life insurance	978	886	2,360	1,735
Net securities gains (losses)	14	(61)	21	1,084
Gain on the sale of equity investment	19,401	0	19,401	0
Other	3,356	2,324	5,702	5,506
Total noninterest income	46,027	25,537	72,304	50,766
Noninterest expense
Salaries and employee benefits	31,142	29,160	60,676	56,207
Occupancy	5,435	5,219	11,661	10,196
Data processing and communications	4,015	3,854	8,016	7,309
Professional fees and outside services	3,752	3,237	7,167	6,138
Equipment	3,132	2,910	6,248	5,492
Office supplies and postage	1,803	1,656	3,488	3,246
FDIC expenses	1,229	1,273	2,507	2,403
Advertising	726	1,000	1,465	1,723
Amortization of intangible assets	1,236	1,351	2,546	2,202
Loan collection and other real estate owned	801	421	1,841	1,139
Merger expenses	0	1,269	0	11,950
Prepayment penalties on long-term debt	4,554	0	4,554	0
Other	4,911	5,100	10,084	9,150
Total noninterest expense	62,736	56,450	120,253	117,155
Income before income tax expense	41,699	24,340	68,380	35,346
Income tax expense	14,059	7,424	22,731	10,781
Net income	$ 27,640	$ 16,916	$ 45,649	$ 24,565
Earnings per share
Basic (in dollars per share)	$ 0.63	$ 0.39	$ 1.04	$ 0.61
Diluted (in dollars per share)	$ 0.62	$ 0.38	$ 1.03	$ 0.61