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Fair Value - Quantitative Information About Level 3 Fair Value Measurements (Detail) (Pooled Trust Preferred [Member], USD $) In Thousands, unless otherwise specified | Mar. 31, 2014 | Dec. 31, 2013
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Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair value | $ 798 | $ 661
Collateral Default Rate [Member] | Discounted Cash Flow [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Input utilized two | 1.5% in 2014; 1.0% in 2015; 0.5% in 2016 and thereafter | 2% in 2014; 1.5% in 2015; 1.0% in 2016; 0.5% in 2017 and thereafter
Yield [Member] | Discounted Cash Flow [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Input utilized one | 13.00% | 15.00%
Prepayment Speed [Member] | Discounted Cash Flow [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Input utilized two | 2.0% constant prepayment rate in 2014 and thereafter | 2.0% constant prepayment rate in 2014 and thereafter

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Details
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