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Loans - Schedule of Loans Not Rated by Class of Loans (Detail) (USD $)
In Thousands, unless otherwise specified
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Mar. 31, 2014
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Dec. 31, 2013
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| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans not rated by class of loans |
$ 124,625 |
$ 121,662 |
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Performing [Member]
|
|
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| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans not rated by class of loans |
123,591 |
120,620 |
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Non-Performing [Member]
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans not rated by class of loans |
1,034 |
1,042 |
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Commercial [Member]
|
|
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| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans not rated by class of loans |
940 |
865 |
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Commercial [Member] | Performing [Member]
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans not rated by class of loans |
939 |
865 |
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Commercial [Member] | Non-Performing [Member]
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|
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| Financing Receivable, Recorded Investment [Line Items] |
|
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| Loans not rated by class of loans |
1 |
|
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Commercial Real Estate [Member]
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|
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| Financing Receivable, Recorded Investment [Line Items] |
|
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| Loans not rated by class of loans |
1,363 |
1,446 |
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Commercial Real Estate [Member] | Performing [Member]
|
|
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| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans not rated by class of loans |
1,363 |
1,446 |
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Commercial Real Estate [Member] | Non-Performing [Member]
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|
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| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans not rated by class of loans |
|
|
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Residential Real Estate [Member]
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|
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| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans not rated by class of loans |
114,638 |
111,161 |
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Residential Real Estate [Member] | Performing [Member]
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans not rated by class of loans |
113,607 |
110,119 |
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Residential Real Estate [Member] | Non-Performing [Member]
|
|
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| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans not rated by class of loans |
1,031 |
1,042 |
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Construction & Land Development [Member]
|
|
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| Financing Receivable, Recorded Investment [Line Items] |
|
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| Loans not rated by class of loans |
843 |
1,503 |
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Construction & Land Development [Member] | Performing [Member]
|
|
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| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans not rated by class of loans |
843 |
1,503 |
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Construction & Land Development [Member] | Non-Performing [Member]
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans not rated by class of loans |
|
|
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Consumer [Member]
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|
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| Financing Receivable, Recorded Investment [Line Items] |
|
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| Loans not rated by class of loans |
6,841 |
6,687 |
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Consumer [Member] | Performing [Member]
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|
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| Financing Receivable, Recorded Investment [Line Items] |
|
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| Loans not rated by class of loans |
6,839 |
6,687 |
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Consumer [Member] | Non-Performing [Member]
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|
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| Financing Receivable, Recorded Investment [Line Items] |
|
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| Loans not rated by class of loans |
$ 2 |
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