Loans - Summary of Troubled Debt Restructurings (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2013 Contract	Jun. 30, 2014 Contract	Jun. 30, 2013 Contract
Financing Receivable, Modifications [Line Items]
Number Of Loans Restructured	2	1	2
Pre-Modification Recorded Investment	$ 76	$ 84	$ 76
Post-Modification Recorded Investment	76	84	76
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number Of Loans Restructured		1
Pre-Modification Recorded Investment		84
Post-Modification Recorded Investment		84
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number Of Loans Restructured	2		2
Pre-Modification Recorded Investment	76		76
Post-Modification Recorded Investment	$ 76		$ 76

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 33

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953676-111524

+ Details

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- Definition

Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

+ Details

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- Definition

Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

+ Details

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