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Fair Values of Company's Derivatives (Detail) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Derivative [Line Items]
Derivative Assets	$ 20	$ 5	$ 31
Derivative Liabilities	192	214	231
Derivatives Not Designated As Hedges
Derivative [Line Items]
Derivative Assets	20	5	31
Derivative Liabilities	20	5	31
Interest Rate Swaps Agreement | Designated as Hedging Instrument
Derivative [Line Items]
Derivative Liabilities	172	209	200
IRLCs | Derivatives Not Designated As Hedges
Derivative [Line Items]
Derivative Assets		5
Derivative Liabilities	20		31
Forward Sale Loan Commitments | Derivatives Not Designated As Hedges
Derivative [Line Items]
Derivative Assets	$ 20		$ 31
Derivative Liabilities		$ 5

X

- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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 55



-Paragraph 10



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



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



-Publisher FASB



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-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13495-108611



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



-Publisher FASB



-Name Accounting Standards Codification



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