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Loans - Summary of Interest Foregone on Impaired Loans (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
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Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Receivables [Abstract] |  |  |  |
Interest income that would have been recognized had impaired loans performed in accordance with their original terms | $ 1,063 | $ 1,058 | $ 3,490 | $ 3,183
Less: Interest income recognized on impaired loans | (796) | (900) | (2,353) | (2,722)
Interest foregone on impaired loans | $ 267 | $ 158 | $ 1,137 | $ 461

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- Definition Loans and leases receivable impaired interest income not recognized. + References No definition available. + Details
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- Definition Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5212-111524 + Details
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