Consolidated Statement of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Interest income
Loans and leases, including fees	$ 672,092	$ 647,280	$ 1,981,904	$ 1,937,531
Investment securities
Fully taxable	93,062	91,036	272,163	250,145
Exempt from federal taxes	950	1,271	3,330	4,068
Deposits at banks	3,852	3,198	10,321	7,617
Other	70	238	749	904
Total interest income	770,026	743,023	2,268,467	2,200,265
Interest expense
NOW accounts	360	394	1,020	1,021
Savings deposits	10,937	11,532	31,517	34,314
Time deposits	3,643	3,805	11,073	11,600
Deposits at Cayman Islands office	151	161	448	550
Short-term borrowings	32	19	102	76
Long-term borrowings	62,076	58,053	188,764	158,098
Total interest expense	77,199	73,964	232,924	205,659
Net interest income	692,827	669,059	2,035,543	1,994,606
Provision for credit losses	44,000	29,000	112,000	91,000
Net interest income after provision for credit losses	648,827	640,059	1,923,543	1,903,606
Other income
Mortgage banking revenues	84,035	93,532	288,238	269,237
Service charges on deposit accounts	107,259	110,071	314,860	321,637
Trust income	113,744	128,671	356,076	379,816
Brokerage services income	16,902	17,416	49,224	51,403
Trading account and foreign exchange gains	8,362	6,988	20,639	21,477
Loss on bank investment securities			(108)
Equity in earnings of Bayview Lending Group LLC	(3,721)	(4,114)	(11,043)	(12,623)
Other revenues from operations	113,118	98,547	359,043	296,683
Total other income	439,699	451,111	1,376,929	1,327,630
Other expense
Salaries and employee benefits	363,567	348,776	1,115,117	1,059,815
Equipment and net occupancy	68,470	67,713	201,792	206,964
Printing, postage and supplies	8,691	9,184	27,586	29,320
Amortization of core deposit and other intangible assets	4,090	7,358	16,848	26,654
FDIC assessments	11,090	13,193	32,551	43,836
Other costs of operations	197,908	219,135	642,925	656,664
Total other expense	653,816	665,359	2,036,819	2,023,253
Income before taxes	434,710	425,811	1,263,653	1,207,983
Income taxes	154,309	150,467	454,951	419,286
Net income	280,401	275,344	808,702	788,697
Net income available to common shareholders
Basic	257,337	251,905	739,627	724,307
Diluted	$ 257,346	$ 251,917	$ 739,656	$ 724,344
Net income per common share
Basic	$ 1.94	$ 1.92	$ 5.59	$ 5.54
Diluted	1.93	1.91	5.56	5.50
Cash dividends per common share	$ 0.70	$ 0.70	$ 2.10	$ 2.10
Average common shares outstanding
Basic	132,630	131,265	132,347	130,782
Diluted	133,376	132,128	133,089	131,698