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 Income
Interest and fees on LHFI & LHFS	$ 66,934	$ 65,403	$ 196,351	$ 194,572
Interest and fees on acquired loans	23,200	19,183	63,236	52,952
Interest on securities:
Taxable	19,712	18,654	58,454	53,740
Tax exempt	1,199	1,274	3,690	3,869
Interest on federal funds sold and securities purchased under reverse repurchase agreements	9	8	20	17
Other interest income	386	372	1,140	1,099
Total Interest Income	111,440	104,894	322,891	306,249
Interest Expense
Interest on deposits	3,606	4,970	11,941	14,950
Interest on federal funds purchased and securities sold under repurchase agreements	180	106	366	275
Other interest expense	1,425	1,389	4,163	4,392
Total Interest Expense	5,211	6,465	16,470	19,617
Net Interest Income	106,229	98,429	306,421	286,632
Provision for loan losses, LHFI	3,058	(3,624)	2,604	(11,438)
Provision for loan losses, acquired loans	1,145	3,292	4,992	1,870
Net Interest Income After Provision for Loan Losses	102,026	98,761	298,825	296,200
Noninterest Income
Service charges on deposit accounts	12,743	13,852	36,157	38,462
Bank card and other fees	7,279	8,929	26,254	26,381
Mortgage banking, net	5,842	8,440	18,862	28,318
Insurance commissions	9,240	8,227	25,637	23,483
Wealth management	8,038	7,520	23,883	21,335
Other, net	(160)	165	18	(3,171)
Security (losses) gains, net	(89)	0	300	378
Total Noninterest Income	42,893	47,133	131,111	135,186
Noninterest Expense
Salaries and employee benefits	56,675	56,043	169,535	165,040
Services and fees	14,489	13,580	42,197	39,428
Net occupancy - premises	6,817	6,644	19,836	19,302
Equipment expense	5,675	6,271	17,949	18,138
ORE/Foreclosure expense	930	3,079	8,081	12,030
FDIC assessment expense	2,644	2,376	7,528	6,773
Other expense	12,964	13,531	39,447	50,153
Total Noninterest Expense	100,194	101,524	304,573	310,864
Income Before Income Taxes	44,725	44,370	125,363	120,522
Income taxes	11,136	11,336	29,874	31,501
Net Income	$ 33,589	$ 33,034	$ 95,489	$ 89,021
Earnings Per Share
Basic (in dollars per share)	$ 0.50	$ 0.49	$ 1.42	$ 1.33
Diluted (in dollars per share)	$ 0.50	$ 0.49	$ 1.41	$ 1.33
Dividends Per Share (in dollars per share)	$ 0.23	$ 0.23	$ 0.69	$ 0.69