Other Real Estate Owned - Summary of Changes in the Allowance for OREO Losses (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Real Estate [Abstract]
Balance at beginning of year	$ 2,174	$ 2,792	$ 3,341
Provision for losses	1,055	1,190	1,558
Charge-offs, net	(1,564)	(1,808)	(2,107)
Balance at end of year	$ 1,665	$ 2,174	$ 2,792

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For each period for which an income statement is required, disclosure of the changes in the allowance, including balances at end of period.

+ 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 210.9-03.10(4))

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 10

-Subparagraph 4

-Article 9

+ Details

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- Definition

Amount of the valuation allowance for real estate owned that was applied in the period against the carrying amount of real estate owned that was sold, written down or written off.

+ References

+ Details

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- Definition

Amount of the increase in the real estate owned valuation allowance that is charged against earnings in the period.

+ References

+ Details

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