Consolidated Statement of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Interest income
Loans and leases, including fees	$ 683,482	$ 687,466	$ 2,071,332	$ 2,010,529
Deposits at banks	1,650	139	3,372	1,119
Federal funds sold	22	6	84	17
Agreements to resell securities			10
Trading account	169	214	1,048	849
Investment securities
Fully taxable	55,746	54,959	141,799	177,647
Exempt from federal taxes	1,617	2,067	5,223	6,171
Total interest income	742,686	744,851	2,222,868	2,196,332
Interest expense
NOW accounts	333	327	976	1,034
Savings deposits	13,733	16,510	41,560	51,633
Time deposits	6,129	10,843	21,809	36,706
Deposits at Cayman Islands office	213	336	801	781
Short-term borrowings	58	365	385	1,016
Long-term borrowings	49,112	53,748	150,592	174,068
Total interest expense	69,578	82,129	216,123	265,238
Net interest income	673,108	662,722	2,006,745	1,931,094
Provision for credit losses	48,000	46,000	143,000	155,000
Net interest income after provision for credit losses	625,108	616,722	1,863,745	1,776,094
Other income
Mortgage banking revenues	64,731	106,812	249,096	232,518
Service charges on deposit accounts	113,839	114,463	336,505	334,334
Trust income	123,801	115,709	370,132	354,937
Brokerage services income	16,871	14,114	49,840	44,187
Trading account and foreign exchange gains	8,987	8,469	27,138	25,278
Gain on bank investment securities		372	56,457	9
Total other-than-temporary impairment ("OTTI") losses		(2,134)	(1,884)	(26,246)
Portion of OTTI losses recognized in other comprehensive income (before taxes)		(3,538)	(7,916)	(7,085)
Net OTTI losses recognized in earnings		(5,672)	(9,800)	(33,331)
Equity in earnings of Bayview Lending Group LLC	(3,881)	(5,183)	(9,990)	(16,570)
Other revenues from operations	153,040	96,649	349,581	272,744
Total other income	477,388	445,733	1,418,959	1,214,106
Other expense
Salaries and employee benefits	339,332	321,746	1,019,019	991,530
Equipment and net occupancy	66,220	64,248	195,657	194,667
Printing, postage and supplies	9,752	8,272	30,749	31,512
Amortization of core deposit and other intangible assets	10,628	14,085	36,473	46,766
FDIC assessments	14,877	23,801	52,010	77,712
Other costs of operations	217,817	183,875	558,905	540,927
Total other expense	658,626	616,027	1,892,813	1,883,114
Income before taxes	443,870	446,428	1,389,891	1,107,086
Income taxes	149,391	152,966	472,833	373,781
Net income	294,479	293,462	917,058	733,305
Net income available to common shareholders
Basic	275,336	273,885	858,944	676,821
Diluted	$ 275,356	$ 273,896	$ 859,000	$ 676,842
Net income per common share
Basic	$ 2.13	$ 2.18	$ 6.69	$ 5.39
Diluted	$ 2.11	$ 2.17	$ 6.64	$ 5.37
Cash dividends per common share	$ 0.70	$ 0.70	$ 2.10	$ 2.10
Average common shares outstanding
Basic	129,171	125,818	128,369	125,510
Diluted	130,265	126,292	129,312	125,936