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Aggregate Contractual or Notional Amounts of Derivative Financial Instruments (Detail) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Sep. 30, 2014 Derivatives Not Designated As Hedges | Dec. 31, 2013 Derivatives Not Designated As Hedges | Sep. 30, 2013 Derivatives Not Designated As Hedges | Feb. 28, 2014 Interest Rate Swaps Agreement | Oct. 31, 2013 Interest Rate Swaps Agreement | Sep. 30, 2014 Interest Rate Swaps Agreement Designated as Hedging Instrument | Dec. 31, 2013 Interest Rate Swaps Agreement Designated as Hedging Instrument | Sep. 30, 2014 IRLCs Derivatives Not Designated As Hedges | Dec. 31, 2013 IRLCs Derivatives Not Designated As Hedges | Sep. 30, 2013 IRLCs Derivatives Not Designated As Hedges | Sep. 30, 2014 Forward Sale Loan Commitments Derivatives Not Designated As Hedges | Dec. 31, 2013 Forward Sale Loan Commitments Derivatives Not Designated As Hedges
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Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional or Contractual Amount | $ 14,861 | $ 11,690 | $ 1,094 | $ 7,042 | $ 8,237 | $ 1,094 | $ 4,340 | $ 3,500 | $ 7,819 | $ 3,453 | $ 2,948 | $ 3,677 | $ 1,094 | $ 4,094 | $ 4,560

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Details
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