Information in Regard to Troubled Debt Restructurings that Occurred During Period (Detail) (Troubled Debt Restructuring, USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013 Contract	Dec. 31, 2012 Contract
Financing Receivable, Modifications [Line Items]
Number of Contracts	5	5
Pre- Modification Outstanding Balance	$ 310	$ 335
Post- Modification Outstanding Balance	310	335
Residential
Financing Receivable, Modifications [Line Items]
Number of Contracts	5	3
Pre- Modification Outstanding Balance	310	270
Post- Modification Outstanding Balance	310	270
Home Equity and Second Mortgage
Financing Receivable, Modifications [Line Items]
Number of Contracts		2
Pre- Modification Outstanding Balance		65
Post- Modification Outstanding Balance		$ 65

Financing Receivable, Modifications, Number of Contracts, During Period

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- Definition

Post-modification amount of investment in financing receivables 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=28368275&loc=SL6953676-111524

+ 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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