Troubled Debt Restructurings Segregated by Class (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Mar. 31, 2014 Loan	Dec. 31, 2013 Loan
Financing Receivable, Modifications [Line Items]
Number of Loans	5	5
Pre-Modification Outstanding Recorded Investment	$ 9,261	$ 9,261
Post-Modification Outstanding Recorded Investment	7,024	7,119
Commercial Real Estate
Financing Receivable, Modifications [Line Items]
Number of Loans	5	5
Pre-Modification Outstanding Recorded Investment	9,261	9,261
Post-Modification Outstanding Recorded Investment	$ 7,024	$ 7,119

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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=28368275&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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