Fair Value Measurements (Details 1) (USD $) In Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2011	Dec. 31, 2010
Investment Securities Available for Sale [Member]
Assets and Liabilities Measured at Fair Value Using Significant Unobservable Inputs (Level 3)
Beginning Balance	$ 1,672	$ 0
Transfers in		4,663
Total net gain (losses) included in income:
Net impairment losses on investment securities		(2,991)
Mortgage derivative gain, net	0	0
Total net losses included in other comprehensive income
Investment securities losses	-32
Ending Balance	1,640	1,672
Derivatives [Member]
Assets and Liabilities Measured at Fair Value Using Significant Unobservable Inputs (Level 3)
Beginning Balance	5,539	3,141
Transfers in		0
Total net gain (losses) included in income:
Net impairment losses on investment securities		0
Mortgage derivative gain, net	(4,397)	2,398
Total net losses included in other comprehensive income
Investment securities losses	0
Ending Balance	$ 1,142	$ 5,539

Fair value assets measured on recurring basis unobservable input reconciliation on net losses included in income.

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- Definition

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Net Impairment Losses On Investment Securities Included In Earnings.

+ Details

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- Definition

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Net Mortgage Derivative Loss Included In Earnings.

+ Details

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- Definition

Net losses included in other comprehensive income.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Description of where the gains or losses for the period arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), are included in other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-SubTopic 10
-Topic 820
-URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258

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- Definition

This element represents [net] transfers in to and out of assets measured at fair value on a recurring basis using unobservable inputs (Level 3) which have taken place during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32
-Subparagraph c(3)
-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.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258

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- Definition

This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32
-Subparagraph c
-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.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258

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