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Securities Sold Under Agreements To Repurchase - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2013
Debt Disclosure [Abstract]
Repurchase agreements original maturity description	Less than one year

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- Details

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- Definition

This describes the time frame of the terms of the entity's repurchase agreements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(m)(1)(i)(A))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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