Consolidated Statements of Income (unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Interest, fee, and dividend income
Interest and fees on loans	$ 61,173	$ 61,773	$ 181,747	$ 177,499
Securities available for sale	6,095	6,520	19,464	18,803
Securities held to maturity	1,353	804	2,904	1,877
Other	513	472	1,552	1,363
Total interest, fee, and dividend income	69,134	69,569	205,667	199,542
Interest expense
Deposits	3,498	3,999	9,782	12,445
Short-term borrowings	262	232	702	341
Long-term debt	1,067	2,561	5,709	9,196
Junior subordinated debt	544	551	1,620	1,539
Total interest expense	5,371	7,343	17,813	23,521
Net interest income	63,763	62,226	187,854	176,021
Provision for loan losses	4,885	5,198	12,647	17,258
Net interest income after provision for loan losses	58,878	57,028	175,207	158,763
Noninterest income
Insurance and other financial services revenue	6,179	6,038	18,510	18,686
Service charges on deposit accounts	4,519	5,055	13,285	14,311
ATM and debit card fees	4,440	4,276	12,869	11,562
Retirement plan administration fees	3,272	3,062	9,167	8,701
Trust	4,758	4,345	14,157	11,957
Bank owned life insurance	1,095	913	3,455	2,648
Net securities gains	38	329	59	1,413
Gain on the sale of equity investment	0	0	19,401	0
Other	2,376	3,129	8,078	8,635
Total noninterest income	26,677	27,147	98,981	77,913
Noninterest expense
Salaries and employee benefits	28,933	29,267	89,609	85,474
Occupancy	5,211	5,262	16,872	15,458
Data processing and communications	4,029	4,059	12,045	11,368
Professional fees and outside services	3,695	3,202	10,862	9,340
Equipment	3,199	2,988	9,447	8,480
Office supplies and postage	1,733	1,640	5,221	4,886
FDIC expenses	1,134	1,285	3,641	3,688
Advertising	403	722	1,868	2,445
Amortization of intangible assets	1,275	1,346	3,821	3,548
Loan collection and other real estate owned	705	886	2,546	2,025
Merger expenses	0	326	0	12,276
Prepayment penalties on long-term debt	13,349	0	17,903	0
Other	5,401	5,303	15,485	14,453
Total noninterest expense	69,067	56,286	189,320	173,441
Income before income tax expense	16,488	27,889	84,868	63,235
Income tax expense	5,576	8,632	28,307	19,413
Net income	$ 10,912	$ 19,257	$ 56,561	$ 43,822
Earnings per share
Basic (in dollars per share)	$ 0.25	$ 0.44	$ 1.29	$ 1.06
Diluted (in dollars per share)	$ 0.25	$ 0.44	$ 1.28	$ 1.05