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Earnings Per Common Share (Details Textual)	6 Months Ended
	Jun. 30, 2012
Earnings per common share (Additional Textual) [Abstract]
Each share convertible into shares	69
Minimum time for conversion	5 years
Date for redeem shares at face value	May 20, 2014
Series A preferred stock [Member]
Earnings Per Common Share (Textual) [Abstract]
Number of Series A Noncumulative Preferred Stock Shares	18,921
Dividend Rate	6.00%

X

- Definition

Date for redeem shares at face value.

+ References

No definition available.

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- Details

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- Details

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X

- Definition

Minimum time for conversion of preferred securities in to common stock.

+ References

No definition available.

+ Details

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X

- Definition

Preferred securities convertible conversion ratio.

+ References

No definition available.

+ Details

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X

- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

No definition available.

+ Details

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X

- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29

-Article 5



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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