Consolidated Statements of Income (USD $) In Thousands, except 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
Loans and leases	$ 164,259	$ 182,201	$ 489,401	$ 579,115
Investment securities:
Total investment securities interest and dividend income	12,707	9,696	36,902	26,299
Overnight investments	655	737	2,023	1,750
Total interest income	177,621	192,634	528,326	607,164
Interest expense
Deposits	5,703	7,923	18,534	27,233
Short-term borrowings	2,694	744	4,830	2,128
Long-term obligations	3,002	4,784	12,111	14,210
Total interest expense	11,399	13,451	35,475	43,571
Net interest income	166,222	179,183	492,851	563,593
Provision for loan and lease losses	1,537	(7,683)	(7,665)	(39,531)
Net interest income after provision for loan and lease losses	164,685	186,866	500,516	603,124
Noninterest income
Cardholder services	13,248	12,791	38,337	35,887
Merchant services	15,556	14,887	44,112	42,619
Service charges on deposit accounts	15,489	15,546	45,194	45,428
Wealth management services	15,657	15,112	46,352	44,724
Fees and Commissions, Correspondent Clearing	7,303	4,539	17,846	15,209
Other service charges and fees	4,001	4,043	12,195	11,775
Mortgage income	1,164	2,277	3,329	9,734
Insurance commissions	2,422	2,772	7,962	8,146
ATM income	1,199	1,316	3,661	3,798
Adjustments for FDIC receivable for loss share agreements	(4,386)	(23,298)	(32,030)	(61,790)
Other	5,737	21,933	16,995	38,896
Total noninterest income	77,390	71,918	203,953	194,426
Noninterest expense
Salaries and wages	81,825	76,463	243,017	228,384
Employee benefits	19,797	21,889	59,638	70,136
Occupancy expense	20,265	18,844	60,975	56,117
Equipment expense	18,767	18,822	57,121	56,466
FDIC insurance expense	2,915	2,706	8,191	7,795
Foreclosure-related expenses	4,838	4,287	13,787	12,059
Merger-related expenses	1,505	0	7,352	0
Other	51,898	49,132	141,779	144,108
Total noninterest expense	201,810	192,143	591,860	575,065
Income before income taxes	40,265	66,641	112,609	222,485
Income taxes	13,902	25,659	37,330	82,012
Net income	$ 26,363	$ 40,982	$ 75,279	$ 140,473
Average shares outstanding (in shares)	9,618,941	9,618,941	9,618,941	9,618,955
Net income per share	$ 2.74	$ 4.26	$ 7.83	$ 14.60