Fair Value Measurements (Details 5) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2012
Impaired loans [Member]
Significant unobservable inputs (Level 3) used in valuation of assets and liabilities measured at fair value on a nonrecurring basis
Fair Value	$ 25,291
Valuation Technique	Appraised value of collateral less estimated costs to sell
Significant Unobservable Inputs	Estimated costs to sell
Impaired loans [Member] \| Maximum [Member]
Significant unobservable inputs (Level 3) used in valuation of assets and liabilities measured at fair value on a nonrecurring basis
Range of Inputs (Weighted Average)	10.00%
Impaired loans [Member] \| Minimum [Member]
Significant unobservable inputs (Level 3) used in valuation of assets and liabilities measured at fair value on a nonrecurring basis
Range of Inputs (Weighted Average)	4.00%
OREO [Member]
Significant unobservable inputs (Level 3) used in valuation of assets and liabilities measured at fair value on a nonrecurring basis
Fair Value	$ 33,956
Valuation Technique	Appraised value of property less estimated costs to sell
Significant Unobservable Inputs	Estimated costs to sell
OREO [Member] \| Maximum [Member]
Significant unobservable inputs (Level 3) used in valuation of assets and liabilities measured at fair value on a nonrecurring basis
Range of Inputs (Weighted Average)	10.00%
OREO [Member] \| Minimum [Member]
Significant unobservable inputs (Level 3) used in valuation of assets and liabilities measured at fair value on a nonrecurring basis
Range of Inputs (Weighted Average)	4.00%

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Weighted average expected volatility of stock price.

+ References

+ Details

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- Definition

Description of the inputs and valuation technique(s) used to measure fair value.

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- Definition

Description of where the gains or losses, arising from liabilities measured at fair value on a recurring basis using unobservable inputs (Level 3), are included in earnings or the statement of financial position.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 32

-Subparagraph c(1)

-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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- Definition

Aggregation of the liabilities reported on the balance sheet measured at fair value on a nonrecurring basis by the entity.

+ References

No definition available.

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