Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Assets
Cash and due from banks	$ 196,572	$ 194,171
Interest-bearing deposits in banks	396,209	379,125
Total cash and cash equivalents	592,781	573,296
Securities available for sale, at fair value	1,811,023	1,805,205
Securities held to maturity, fair values of $196,183 and $199,110, respectively	190,084	192,764
Mortgage loans held for sale	128,125	153,013
Loans covered by loss share agreement	1,260,662	1,334,449
Non-covered loans, net of unearned income	6,217,644	6,053,588
Total loans, net of unearned income	7,478,306	7,388,037
Allowance for loan losses	(177,192)	(193,761)
Loans, net	7,301,114	7,194,276
FDIC loss share receivable	537,448	591,844
Premises and equipment, net	292,403	285,607
Goodwill	366,084	369,811
Other assets	572,221	592,112
Total Assets	11,791,283	11,757,928
Liabilities
Noninterest-bearing	1,607,244	1,485,058
Interest-bearing	7,854,167	7,803,955
Total deposits	9,461,411	9,289,013
Short-term borrowings	266,489	395,543
Long-term debt	429,841	452,733
Other liabilities	137,912	137,978
Total Liabilities	10,295,653	10,275,267
Shareholders' Equity
Common stock, $1 par value - 50,000,000 shares authorized; 31,163,070 shares issued	31,163	31,163
Additional paid-in capital	1,131,496	1,135,880
Retained earnings	384,541	375,184
Accumulated other comprehensive income	25,420	24,457
Treasury stock at cost - 1,647,204 and 1,789,165 shares, respectively	(76,990)	(84,023)
Total Shareholders' Equity	1,495,630	1,482,661
Total Liabilities and Shareholders' Equity	$ 11,791,283	$ 11,757,928