Loans and Asset Quality Information (Details Narrative) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012
Unamortized premiums on loans	$ 368	$ 485	$ 833
Loans held for sale not included in loan balances		30,000
Noncovered high risk loans targeted for sale to a third party		68,000
Loans written down		38,000
Accretion of loan discount	3,658	16,466
Percentage of loan discount accretion		80.00%
Purchased Performing loans
Loan discount on loans	41,531
Purchased Nonperfoming Loans
Loan discount on loans	22,197
Non-covered
Number of covered loans - Subsequent Default	1
Subsequently covered loans defaulted - Recorded Investment	300
Covered
Number of covered loans - Subsequent Default	1
Subsequently covered loans defaulted - Recorded Investment	$ 3,500

The increase in the net discounted value of loans.

No definition available.

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- Definition

The amount of discount on nonimpaired purchased loans.

+ References

No definition available.

+ Details

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- Definition

The carrying value of loans held for sale not included in loan balances.

+ References

No definition available.

+ Details

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- Definition

The amount of loans written down.

+ References

No definition available.

+ Details

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- Definition

The carrying value of noncovered high risk loans targeted for sale to a third party.

+ References

No definition available.

+ Details

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- Definition

Percentage of loan discount accretion that will reduce the indemnification asset.

+ References

No definition available.

+ Details

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 34

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953682-111524

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- Definition

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

+ References

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- Definition

Reflects the cumulative amount of fees paid by borrowers, which relationship is not otherwise defined (such as commercial, consumer, or foreign), which have not yet been taken into income and unamortized costs incurred to originate loans and leases, not otherwise categorized (such as commercial, consumer, or foreign), unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans, not otherwise categorized (such as commercial, consumer, or foreign), that are being amortized into income as an adjustment to yield.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6378536&loc=d3e10092-111533

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 91

-Paragraph 21

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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