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Federal Funds Purchased and Securities Sold Under Agreements to Repurchase - Additional Information (Detail)	Sep. 30, 2015 USD ($)
Fees And Commissions Income [Abstract]
Federal funds purchased	$ 0
Securities sold under agreements to repurchase	$ 61,500,000

X

- Definition

Fees And Commissions Income [Abstract]

+ References

No definition available.

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X

- Definition

Amount of short term borrowing where a bank borrows, at the federal funds rate, from another bank.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 942



-SubTopic 210



-Section S99



-Paragraph 1



-Subparagraph (SX 210.9-03.13(1))



-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



-SubTopic 20



-Section 50



-Paragraph 3



-Subparagraph (c)



-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312



Reference 2: 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)(a)(i))



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



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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 942



-SubTopic 210



-Section S99



-Paragraph 1



-Subparagraph (SX 210.9-03.13(1))



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Reference 4: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



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-Section 55



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-URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226008-175313



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-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



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-Section 45



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



-Publisher FASB



-Name Accounting Standards Codification



-Glossary Repurchase Agreement Accounted for as a Collateralized Borrowing



-URI http://asc.fasb.org/extlink&oid=49203159

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