Noncovered Loans Noncovered Loans (Analysis of Troubled Debt Restructurings) (Details) (Noncovered Loans [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2011 Modifications
Financing Receivable, Modifications [Line Items]
Number of TDR Modifications	10
Pre-Modification Outstanding Recorded Investment	$ 2,344
Post-Modification Outstanding Recorded Investment	2,344
Secured Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of TDR Modifications	6
Pre-Modification Outstanding Recorded Investment	659
Post-Modification Outstanding Recorded Investment	659
One-to-Four Family Residential [Member]
Financing Receivable, Modifications [Line Items]
Number of TDR Modifications	1
Pre-Modification Outstanding Recorded Investment	369
Post-Modification Outstanding Recorded Investment	369
Income Property Multifamily [Member]
Financing Receivable, Modifications [Line Items]
Number of TDR Modifications	2
Pre-Modification Outstanding Recorded Investment	1,280
Post-Modification Outstanding Recorded Investment	1,280
Residential Construction [Member]
Financing Receivable, Modifications [Line Items]
Number of TDR Modifications	1
Pre-Modification Outstanding Recorded Investment	36
Post-Modification Outstanding Recorded Investment	$ 36

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The number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 32

-URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953670-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 33

-URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953676-111524

+ Details

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- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings after the financing receivable has been modified.

+ References

+ Details

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- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings before the financing receivable has been modified.

+ References

+ Details

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