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Loans - Troubled Debt Restructurings that Defaulted Subsequent to Modifications Occurring Within Previous Twelve Months, Disaggregated by Loan Class (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 SecurityLoan | Sep. 30, 2012 SecurityLoan | Sep. 30, 2013 SecurityLoan | Sep. 30, 2012 SecurityLoan
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Loans | 1 | 9 | 2 | 13
Recorded Investment | $ 130 | $ 443 | $ 159 | $ 961
Commercial and Industrial loans [Member] | Unsecured [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Loans |  | 3 | 1 | 6
Recorded Investment |  | 171 | 29 | 431
Commercial and Industrial loans [Member] | Secured by real estate [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Loans |  |  |  |
Recorded Investment |  |  |  |
Commercial and Industrial loans [Member] | Commercial lines of credit [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Loans |  |  |  | 1
Recorded Investment |  |  |  | 258
Commercial and Industrial loans [Member] | SBA loans [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Loans | 1 | 6 | 1 | 6
Recorded Investment | $ 130 | $ 272 | $ 130 | $ 272

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- Details
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- Definition Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953682-111524 + Details
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- Definition Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953682-111524 + Details
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