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Credit Quality - Additional information (Detail) (USD $) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 | Dec. 31, 2013
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Minimum commercial loan relationships to be reviewed by loan review function | $ 4,000,000 |  | $ 4,000,000 |  |
Restructured loans to borrowers experiencing financial difficulty in excess of | 250,000 |  | 250,000 |  |
Performing status returned period |  |  | 6 months |  |
Allowance for loan losses | 1,770,000 |  | 1,770,000 |  | 1,840,000
Interest income recognized on loan restructurings | 129,000 | 68,000 | 278,000 | 217,000 |
Covered Loans |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Accruing loans contractually past due 90 days or more | 109,000 |  | 109,000 |  | 86,000
PCI loans |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Number of impaired loans | 4 | 1 | 4 | 1 | 4
Number of loans | 7 |  | 7 |  |
Waccamaw Bank |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Percentage of loan and foreclosed real estate losses covered by FDIC | 80.00% |  | 80.00% |  |
Amount of non-covered loans decreased | 5,400,000 |  | 5,400,000 |  |
Percentage of non-covered loans decreased | 7.71% |  | 7.71% |  |
Amount of covered loans decreased | $ 10,440,000 |  | $ 10,440,000 |  |
Percentage of covered loans decreased | 32.31% |  | 32.31% |  |

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- Definition Allowance for loan losses. + References No definition available. + Details
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- Definition Total commercial loans. + References No definition available. + Details
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- Definition Financing Receivable Covered Loans Net + References No definition available. + Details
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- Definition Financing Receivable Number Of Loans + References No definition available. + Details
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- Definition Interest income recognized on loan restructurings. + References No definition available. + Details
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- Definition Loans And Leases Receivable Impaired Number Of Loans + References No definition available. + Details
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- Definition Percentage of Covered Loans + References No definition available. + Details
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- Definition Percentage of loss covered by FDIC. + References No definition available. + Details
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- Definition Percentage of Non-Covered Loans + References No definition available. + Details
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- Definition Performing status returned period. + References No definition available. + Details
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- Definition Restructured loans reserves. + References No definition available. + Details
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- Details
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- Definition Recorded investment in financing receivables that are 90 days or more past due and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5111-111524 + Details
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