Fair Value (Schedule Of Estimated Fair Values Of Financial Instruments) (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Loans, net	$ 11,249,053	$ 4,957,164
Loans held for sale	67,081	21,866
Deposits	15,587,909	6,775,719
Federal funds purchased	25,085
Securities sold under agreements to repurchase	888,831	364,676
Other short-term borrowings	6,800
FHLB borrowings	10,057	10,172
Long-term notes	360,102	376
Carrying Amount [Member]
Cash, interest-bearing deposits, federal funds sold, and short-term investments	1,358,394	778,851
Securities	4,573,973	1,488,885
Loans, net	11,136,646	4,875,167
Loans held for sale	67,081	21,866
Accrued interest receivable	56,990	30,157
Deposits	15,587,909	6,775,719
Federal funds purchased	25,085
Securities sold under agreements to repurchase	888,831	364,676
Other short-term borrowings	6,800
FHLB borrowings	10,057	10,172
Long-term notes	360,102	376
Accrued interest payable	10,180	4,007
Fair Value [Member]
Cash, interest-bearing deposits, federal funds sold, and short-term investments	1,358,394	778,851
Securities	4,573,973	1,488,885
Loans, net	11,474,407	4,753,537
Loans held for sale	67,081	21,866
Accrued interest receivable	56,990	30,157
Deposits	15,617,448	6,787,931
Federal funds purchased	25,085
Securities sold under agreements to repurchase	888,831	364,676
Other short-term borrowings	6,800
FHLB borrowings	10,057	10,172
Long-term notes	360,102	376
Accrued interest payable	$ 10,180	$ 4,007

Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments.

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