COVERED ASSETS AND FDIC INDEMNIFICATION ASSET (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Carrying Amounts And Composition Of Covered Loans
Total principal balance	$ 3,450,956	$ 4,718,084
Covered discount	(510,208)	(788,295)
Net valuation of loans	2,940,748	3,929,789
Allowance on covered loans	(5,153)	(6,647)
Total covered loans, net	2,935,595	3,923,142
Real Estate Loans
Carrying Amounts And Composition Of Covered Loans
Total principal balance	2,775,972	3,788,478
Real Estate Loans \| Residential Single-family
Carrying Amounts And Composition Of Covered Loans
Total principal balance	362,345	442,732
Real Estate Loans \| Residential Multifamily
Carrying Amounts And Composition Of Covered Loans
Total principal balance	647,440	918,941
Real Estate Loans \| Commercial and Industrial Real Estate
Carrying Amounts And Composition Of Covered Loans
Total principal balance	1,348,556	1,773,760
Real Estate Loans \| Construction and Land
Carrying Amounts And Composition Of Covered Loans
Total principal balance	417,631	653,045
Other Loans
Carrying Amounts And Composition Of Covered Loans
Total principal balance	674,984	929,606
Other Loans \| Commercial Business
Carrying Amounts And Composition Of Covered Loans
Total principal balance	587,333	831,762
Other Loans \| Other Consumer
Carrying Amounts And Composition Of Covered Loans
Total principal balance	$ 87,651	$ 97,844

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The discount amount related to covered loans receivable as of the balance sheet date.

No definition available.

The carrying amount as of the balance sheet date of covered loans receivable, net of discounts.

No definition available.

Amount of allowance for loan and lease losses covered by loss sharing agreements.

No definition available.

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Aggregate gross carrying amount of loans and leases receivable covered by loss sharing agreements.

No definition available.

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Net carrying amount of loans and leases receivable covered by loss sharing agreements.

No definition available.

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