Loans And Allowance For Loan Losses (Loans, Net Of Unearned Income) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Mortgage Loans on Real Estate [Line Items]
Total commercial	$ 3,103,220	$ 559,303
Total construction	1,345,761	652,857
Total real estate	3,076,150	1,413,287
Total municipal loans	506,612	471,597
Total residential mortgage loans	1,451,506	659,689
Total consumer loans	1,192,431	739,262
Loans, net	11,102,269	4,957,164
Construction [Member] \| Originated [Member]
Mortgage Loans on Real Estate [Line Items]
Total construction	516,561	495,590
Construction [Member] \| Acquired [Member]
Mortgage Loans on Real Estate [Line Items]
Total construction	673,197
Construction [Member] \| Covered [Member]
Mortgage Loans on Real Estate [Line Items]
Total construction	156,003	157,267
Real Estate [Member] \| Originated [Member]
Mortgage Loans on Real Estate [Line Items]
Total real estate	1,242,911	1,231,414
Real Estate [Member] \| Acquired [Member]
Mortgage Loans on Real Estate [Line Items]
Total real estate	1,730,325
Real Estate [Member] \| Covered [Member]
Mortgage Loans on Real Estate [Line Items]
Total real estate	102,914	181,873
Municipal Loans [Member] \| Originated [Member]
Mortgage Loans on Real Estate [Line Items]
Total municipal loans	496,493	471,057
Municipal Loans [Member] \| Acquired [Member]
Mortgage Loans on Real Estate [Line Items]
Total municipal loans	9,681
Municipal Loans [Member] \| Covered [Member]
Mortgage Loans on Real Estate [Line Items]
Total municipal loans	438	540
Commercial [Member]
Mortgage Loans on Real Estate [Line Items]
Total commercial loans	8,075,247	3,147,765
Loans, net		2,760,793
Commercial [Member] \| Originated [Member]
Mortgage Loans on Real Estate [Line Items]
Total commercial	819,822	524,653
Total commercial loans	3,119,291	2,773,435
Commercial [Member] \| Acquired [Member]
Mortgage Loans on Real Estate [Line Items]
Total commercial	2,240,793
Total commercial loans	4,653,996
Commercial [Member] \| Covered [Member]
Mortgage Loans on Real Estate [Line Items]
Total commercial	42,605	34,650
Total commercial loans	301,960	374,330
Residential Mortgage Loans [Member] \| Originated [Member]
Mortgage Loans on Real Estate [Line Items]
Total residential mortgage loans	412,267	366,183
Residential Mortgage Loans [Member] \| Acquired [Member]
Mortgage Loans on Real Estate [Line Items]
Total residential mortgage loans	776,993
Residential Mortgage Loans [Member] \| Covered [Member]
Mortgage Loans on Real Estate [Line Items]
Total residential mortgage loans	262,246	293,506
Direct Consumer [Member]
Mortgage Loans on Real Estate [Line Items]
Loans, net		597,947
Direct Consumer [Member] \| Originated [Member]
Mortgage Loans on Real Estate [Line Items]
Total consumer loans	618,077	597,947
Direct Consumer [Member] \| Acquired [Member]
Mortgage Loans on Real Estate [Line Items]
Total consumer loans	416,729
Direct Consumer [Member] \| Covered [Member]
Mortgage Loans on Real Estate [Line Items]
Total consumer loans	157,625	141,315
Indirect Consumer [Member]
Mortgage Loans on Real Estate [Line Items]
Loans, net		309,454
Indirect Consumer [Member] \| Originated [Member]
Mortgage Loans on Real Estate [Line Items]
Total consumer loans	286,968	309,454
Originated Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Loans, net	4,532,720	4,148,013
Acquired Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Loans, net	5,847,718
Covered Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Loans, net	721,831	809,151
Originated [Member]
Mortgage Loans on Real Estate [Line Items]
Lease financing	43,504	50,721
Finance Company loans	$ 96,117	$ 100,994

Loans Receivable Construction Land And Land Development

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Loans receivable from finance company.

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Loans Receivable From Municipal Loans

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The total gross amount of commercial loans (money lent to commercial entities rather than consumers) made in the form of direct financing leases where the reporting entity (lessor) only recognizes interest revenue from the lease. It also includes the amount of lease financing arising from involvement with leveraged lease transactions where the Entity is in the position of long-term creditor.

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-Glossary Leveraged Lease

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Reflects the sum of the gross carrying amounts of the various categories of loans made to individuals for personal needs, including mortgage, home equity, vehicles, credit card, installment, and lease financing.

+ References

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The gross carrying amount of mortgage loans to individuals. This item excludes subordinated loans such as home equity lines of credit.

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Reflects the gross carrying amount of unpaid loans issued to nonfinancial and nonagricultural businesses for uses other than for real property.

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Reflects the gross carrying amount of unpaid loans that had been issued to businesses to construct a facility. Acquisition, development and construction (ADC) loans are generally issued sequentially and the net proceeds of the latest debt is used by the borrower to pay off the preceding loan. A construction loan ( in the form of a promissory note) is generally expected to be paid off with the net proceeds from permanent financing.

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Reflects the sum of the gross carrying amounts of unpaid loans issued to businesses to acquire, develop, construct, improve, or refinance land or a building. Includes [but is not limited to] commercial mortgage loans, which are secured by a [legal] security interest in real property [commercial building or business real property] which thereby serves as collateral securing repayment of the loan; and construction financing, which is an obligation generally in the form of a [promissory] note, used for the funding of construction projects.

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Total of loans held-for-sale and held-in-portfolio net of unearned income, allowance for loan and lease losses, if any, unamortized loan origination and other fees and costs, and purchased premiums or discounts.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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