Investment Securities Available-for-Sale	3 Months Ended
Mar. 31, 2013
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The entire disclosure for investments in certain debt and equity securities.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 10

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-Name Accounting Standards Codification

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 3, 19, 20, 21, 22, 137

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

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-Section 50

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-URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803

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-Name Accounting Standards Codification

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-Glossary Equity Security

-URI http://asc.fasb.org/extlink&oid=6511694

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-Glossary Debt Security

-URI http://asc.fasb.org/extlink&oid=6509901

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-Name Accounting Standards Codification

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