Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
ASSETS
Cash and due from banks	$ 419,529	$ 454,958
Interest-bearing deposits in other financial institutions	531,303	154,562
Federal funds sold and securities purchased under agreements to resell	2,460	7,075
Investment securities held to maturity at amortized cost	21,852	0
Investment securities available for sale, at fair value	4,496,198	4,937,483
Federal Home Loan Bank and Federal Reserve Bank stocks, at cost	166,100	191,188
Loans held for sale	157,093	249,195
Loans	14,966,214	14,031,071
Allowance for loan losses	(315,150)	(378,151)
Loans, net	14,651,064	13,652,920
Premises and equipment, net	238,756	223,736
Goodwill	929,168	929,168
Other intangible assets, net	61,294	67,574
Trading Assets	76,159	73,253
Other assets	987,378	983,105
Total assets	22,738,354	21,924,217
LIABILITIES AND STOCKHOLDERS' EQUITY
Noninterest-bearing demand deposits	4,320,437	3,928,792
Interest-bearing deposits	12,130,155	11,161,863
Total deposits	16,450,592	15,090,655
Federal funds purchased and securities sold under agreements to repurchase	1,138,027	1,514,485
Other short-term funding	615,258	1,000,000
Long-term funding	1,305,422	1,177,071
Trading liabilities	82,861	80,046
Accrued expenses and other liabilities	195,742	196,166
Total liabilities	19,787,902	19,058,423
Stockholders' equity
Preferred equity	63,272	63,272
Common stock	1,750	1,746
Surplus	1,599,070	1,586,401
Retained earnings	1,250,189	1,148,773
Accumulated other comprehensive income	67,303	65,602
Treasury stock, at cost	(31,132)	0
Total stockholders' equity	2,950,452	2,865,794
Total liabilities and stockholders' equity	$ 22,738,354	$ 21,924,217
Preferred shares issued	65,000	65,000
Preferred shares authorized (par value $1.00 per share)	750,000	750,000
Common shares issued	175,012,686	174,591,841
Common shares authorized (par value $0.01 per share)	250,000,000	250,000,000
Treasury shares of common stock	2,413,867	0