Average life of investment grade debt securities.

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- Definition

Average percentage of LTV.

+ References

No definition available.

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- Definition

Callable Securities At Carrying Value

+ References

No definition available.

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- Definition

Fair value percentage of held-to-maturity security against par value.

+ References

No definition available.

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- Definition

Held to maturity assets fico score average.

+ References

No definition available.

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- Definition

Held-to-maturity securities, acquired price percentage.

+ References

No definition available.

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- Definition

Investment contractual cash flows guaranteed by banks.

+ References

No definition available.

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- Definition

Investment contractual cash flows guaranteed by government.

+ References

No definition available.

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- Definition

Investment securities pledged as collateral.

+ References

No definition available.

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- Definition

Investment security classified as held to maturity number.

+ References

No definition available.

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- Definition

Securities backed by whole loans.

+ References

No definition available.

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- Definition

Securities issued by US Government percentage.

+ References

No definition available.

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- Definition

Accumulated other comprehensive loss related to portion of other than temporary impairment (OTTI) due to factors other than credit losses on debt securities categorized as held-to-maturity that an entity does not intend to sell and which it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis of the debt security. The amount represented by this item is net of tax, as applicable.

+ References

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

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number FAS115-1/124-1

-Paragraph 16C

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 14A

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-Name FASB Staff Position (FSP)

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-Paragraph 7

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-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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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 19

-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

This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 9

-Subparagraph (a)

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-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

This item represents the excess of amortized cost basis over fair value of securities in a loss position and which are categorized as held-to-maturity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 6

-Subparagraph (a)(2)

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-Clause 2

-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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-Publisher FASB

-Name Emerging Issues Task Force (EITF)

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-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

Carrying amount of debt securities accounted for as held-to-maturity, net of adjustments including, but not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized, and fair value hedge accounting adjustments.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 20

-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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-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

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- Definition

Before tax amount of other than temporary impairment (OTTI) on a debt security, categorized as held-to-maturity, recognized in other comprehensive income (loss), attributable to the parent entity.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 130

-Paragraph 17

-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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-Publisher FASB

-Name FASB Staff Position (FSP)

-Number FAS115-1/124-1

-Paragraph 16A

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 19

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-Number FAS115-1/124-1

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Investment Securities - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Schedule of Available-for-sale Securities [Line Items]
Securities issued by U.S. government percentage	75.00%
Gross realized gain	$ 0	$ 0	$ 38,900,000
Gross unrealized holding losses	0
Credit-related impairment loss on investment securities held-to-maturity		656,000	904,000
Average life of investment grade debt securities, years	2 years 8 months 12 days
Investment securities pledged as collateral	2,240,000,000	1,850,000,000
Government agency [Member]
Schedule of Available-for-sale Securities [Line Items]
Agency bond callable	162,800,000
CMO's / REMIC's-residential [Member]
Schedule of Available-for-sale Securities [Line Items]
CMO/REMIC's backed by whole loans issued by private-label companies (non-government sponsored)	1,200,000
Investment security classified as held-to-maturity, number	1
Held-to-Maturity securities, average FICO score	715
Held-to-Maturity securities, acquired price, percentage	98.25%
Average percentage of LTV	71.00%
Fair value percentage of Held-to-Maturity security against par value	71.00%
Investment contractual cash flows guaranteed by Government, percentage	99.92%
Investment contractual cash flows guaranteed by banks, percentage	0.08%
Alt-A bond [Member]
Schedule of Available-for-sale Securities [Line Items]
Book value of the bond	2,100,000
Net impairment losses	$ 1,900,000
Municipal bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Average life of investment grade debt securities, years	9 years 6 months