Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2010
Assets
Cash and due from banks	$ 1,098,721	$ 1,247,946	$ 834,972
Funds sold and resell agreements	12,040	21,458	17,554
Trading securities	99,846	55,467	62,159
Investment securities	349,583	339,553	353,277
Available-for-Sale Securities	9,567,008	9,096,277	8,953,162
Available for sale securities pledged to creditors	0	139,344	152,666
Total available for sale securities	9,567,008	9,235,621	9,105,828
Mortgage trading securities	553,231	428,021	534,641
Residential mortgage loans held for sale	169,609	263,413	227,574
Loans	10,737,544	10,643,036	10,882,717
Less allowance for loan losses	(286,611)	(292,971)	(299,489)
Loans, net of allowance	10,450,933	10,350,065	10,583,228
Premises and equipment, net	265,057	265,465	277,225
Receivables	129,944	148,940	126,149
Goodwill	335,601	335,601	335,601
Intangible assets, net	12,010	13,803	15,991
Mortgage servicing rights, net	109,192	115,723	98,942
Real estate and other repossessed assets	129,026	141,394	119,908
Bankers' acceptances	1,661	1,222	2,885
Derivative contracts	229,887	270,445	334,576
Cash surrender value of bank-owned life insurance	261,203	255,442	251,857
Receivable on unsettled securities trades	170,600	135,059	0
Other assets	293,030	316,965	454,361
Total assets	24,238,182	23,941,603	23,736,728
Liabilities and equity
Noninterest-bearing demand deposits	4,725,977	4,220,764	3,735,289
Interest-bearing deposits:
Transaction	9,013,323	9,255,362	8,488,159
Savings	211,877	193,767	190,964
Time	3,634,700	3,509,168	3,673,088
Total deposits	17,585,877	17,179,061	16,087,500
Funds purchased	1,706,893	1,025,019	1,157,465
Repurchase agreements	1,106,163	1,258,761	1,105,010
Other borrowings	149,703	833,578	1,708,295
Subordinated debentures	398,788	398,701	398,617
Accrued interest, taxes and expense	104,493	134,107	91,471
Bankers' acceptances	1,661	1,222	2,885
Derivative contracts	173,917	215,420	299,851
Due on unsettled securities trades	166,607	160,425	266,470
Other liabilities	151,906	191,431	169,137
Total liabilities	21,546,008	21,397,725	21,286,701
Shareholders' equity:
Common stock	4	4	4
Capital surplus	794,292	782,805	769,928
Retained earnings	1,842,022	1,743,880	1,654,516
Treasury stock	(114,856)	(112,802)	(109,481)
Accumulated other comprehensive income	146,255	107,839	113,771
Total shareholders' equity	2,667,717	2,521,726	2,428,738
Non-controlling interest	24,457	22,152	21,289
Total equity	2,692,174	2,543,878	2,450,027
Total liabilities and equity	$ 24,238,182	$ 23,941,603	$ 23,736,728