Fair Values of Assets and Liabilities Textuals Abstract.

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Federal Agencies mortgage-backed securities transferred to held-to-maturity securities portfolio.

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Impaired loans fair value based upon collateral value.

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Losses recorded within noninterest expense.

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Non recurring fair value impairment recorded within the provision for credit losses.

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OREO assets fair value.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Transfers into assets measured at fair value and categorized within Level 3 of the fair value hierarchy that have taken place during the period.

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

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Transfers out of assets measured at fair value and categorized within Level 3 of the fair value hierarchy that have taken place during the period.

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Carrying amount of mortgage loans to individuals not classified as held for investment but are held-for-sale.

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Fair Values of Assets and Liabilities (Details Textuals) (USD $)	3 Months Ended	9 Months Ended			9 Months Ended
	Sep. 30, 2011	Sep. 30, 2011	Dec. 31, 2010	Sep. 30, 2010	Sep. 30, 2010 Level 3 [Member] Municipal securities [Member]	Sep. 30, 2010 Level 3 [Member] Automobile Loan [Member]	Sep. 30, 2010 Asset-backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Transfer in of Level 3 Assets					$ 323,600,000	$ 180,000,000
Transfer out of Level 3 Assets							184,000,000
Fair Values of Assets and Liabilities (Textuals) [Abstract]
Mortgage loans held for sale, aggregate outstanding principal	317,121,000	317,121,000	749,982,000	675,009,000
Federal Agencies: mortgage-backed securities transferred to held-to-maturity securities portfolio	469,100,000
Impaired loans fair value based upon collateral value	91,000,000	91,000,000
Non recurring fair value impairment recorded within the provision for credit losses		25,500,000
OREO assets, fair value	38,000,000	38,000,000
Losses recorded within non interest expense		$ 1,800,000