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Regulatory and Operational Matters - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2014
Banking And Thrift [Abstract]
Targets a minimum Tier 1 leverage capital ratio	9.00%
Loans or advances to Company from Bank limited	10.00%

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- Definition

Restriction on loan and advances to be given up to maximum percentage of capital stock and surplus.

+ References

No definition available.

+ Details

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- Details

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- Definition

Tier 1 Leverage Capital divided by average assets as defined in the regulations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 505

-Section 50

-Paragraph 1H

-Subparagraph (c)(2)

-URI http://asc.fasb.org/extlink&oid=7881181&loc=d3e65071-112826



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 505

-Section 50

-Paragraph 1

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=7881181&loc=SL5958568-112826

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