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2. Investment Securities (Details Narrative) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Investment Securities Details Narrative |  |  |
Unrealized losses in the investment securites portfolio relating to debt securities | $ 432 PEBK_UnrealizedLossesInInvestmentSecuritesPortfolioRelatingToDebtSecurities |  |
Proceeds from sales of investment securities available for sale | 20,202 us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities | 17,463 us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities | 47,076 us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities
Gains on sales of available for sale securities | 291 us-gaap_AvailableForSaleSecuritiesGrossRealizedGains | 738 us-gaap_AvailableForSaleSecuritiesGrossRealizedGains | 1,300 us-gaap_AvailableForSaleSecuritiesGrossRealizedGains
Loss on sales of available for sale securities | 25 us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses | 124 us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses | 103 us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses
Securities pledged to secure public deposits | $ 89,900 us-gaap_DepositLiabilitiesCollateralIssuedFinancialInstruments | $ 86,000 us-gaap_DepositLiabilitiesCollateralIssuedFinancialInstruments |

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- Definition This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563 + Details
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- Definition This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563 + Details
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- Definition Amount of securities, mortgage loans, or other financial instruments pledged as collateral for deposits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6479006&loc=d3e64164-112818 + Details
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- Definition The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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