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3. Loans, Impaired (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013
Impaired loans |  |
Unpaid Contractual Principal Balance | $ 38,840 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance | $ 46,305 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
Recorded Investment With No Allowance | 6,057 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment | 11,287 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
Recorded Investment With Allowance | 30,234 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment | 30,168 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
Recorded Investment in Impaired Loans | 36,291 us-gaap_ImpairedFinancingReceivableRecordedInvestment | 41,455 us-gaap_ImpairedFinancingReceivableRecordedInvestment
Related Allowance | 1,658 us-gaap_ImpairedFinancingReceivableRelatedAllowance | 1,675 us-gaap_ImpairedFinancingReceivableRelatedAllowance
Average Outstanding Impaired Loans | 38,145 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment | 42,818 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment
Construction and land development |  |
Impaired loans |  |
Unpaid Contractual Principal Balance | 5,481 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_InternalCreditAssessmentAxis = PEBK_ConstructionAndLandDevelopmentMember | 9,861 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_InternalCreditAssessmentAxis = PEBK_ConstructionAndLandDevelopmentMember
Recorded Investment With No Allowance | 3,639 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_ConstructionAndLandDevelopmentMember | 6,293 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_ConstructionAndLandDevelopmentMember
Recorded Investment With Allowance | 555 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_ConstructionAndLandDevelopmentMember | 868 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_ConstructionAndLandDevelopmentMember
Recorded Investment in Impaired Loans | 4,194 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_ConstructionAndLandDevelopmentMember | 7,161 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_ConstructionAndLandDevelopmentMember
Related Allowance | 31 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_InternalCreditAssessmentAxis = PEBK_ConstructionAndLandDevelopmentMember | 53 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_InternalCreditAssessmentAxis = PEBK_ConstructionAndLandDevelopmentMember
Average Outstanding Impaired Loans | 5,248 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_ConstructionAndLandDevelopmentMember | 8,289 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_ConstructionAndLandDevelopmentMember
Single-family residential |  |
Impaired loans |  |
Unpaid Contractual Principal Balance | 6,717 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_InternalCreditAssessmentAxis = us-gaap_ResidentialRealEstateMember | 7,853 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_InternalCreditAssessmentAxis = us-gaap_ResidentialRealEstateMember
Recorded Investment With No Allowance | 933 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_ResidentialRealEstateMember | 1,428 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_ResidentialRealEstateMember
Recorded Investment With Allowance | 5,540 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_ResidentialRealEstateMember | 5,633 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_ResidentialRealEstateMember
Recorded Investment in Impaired Loans | 6,473 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_ResidentialRealEstateMember | 7,061 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_ResidentialRealEstateMember
Related Allowance | 154 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_InternalCreditAssessmentAxis = us-gaap_ResidentialRealEstateMember | 123 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_InternalCreditAssessmentAxis = us-gaap_ResidentialRealEstateMember
Average Outstanding Impaired Loans | 7,430 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_ResidentialRealEstateMember | 7,859 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_ResidentialRealEstateMember
Single-family residential - Banco de la Gente stated income |  |
Impaired loans |  |
Unpaid Contractual Principal Balance | 21,243 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_InternalCreditAssessmentAxis = PEBK_BancoDeLaGenteMember | 22,034 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_InternalCreditAssessmentAxis = PEBK_BancoDeLaGenteMember
Recorded Investment With No Allowance | 0 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_BancoDeLaGenteMember | 0 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_BancoDeLaGenteMember
Recorded Investment With Allowance | 20,649 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_BancoDeLaGenteMember | 21,242 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_BancoDeLaGenteMember
Recorded Investment in Impaired Loans | 20,649 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_BancoDeLaGenteMember | 21,242 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_BancoDeLaGenteMember
Related Allowance | 1,191 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_InternalCreditAssessmentAxis = PEBK_BancoDeLaGenteMember | 1,300 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_InternalCreditAssessmentAxis = PEBK_BancoDeLaGenteMember
Average Outstanding Impaired Loans | 19,964 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_BancoDeLaGenteMember | 21,242 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_BancoDeLaGenteMember
Commercial |  |
Impaired loans |  |
Unpaid Contractual Principal Balance | 4,752 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialRealEstateMember | 5,079 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialRealEstateMember
Recorded Investment With No Allowance | 1,485 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialRealEstateMember | 3,045 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialRealEstateMember
Recorded Investment With Allowance | 2,866 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialRealEstateMember | 1,489 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialRealEstateMember
Recorded Investment in Impaired Loans | 4,351 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialRealEstateMember | 4,534 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialRealEstateMember
Related Allowance | 272 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialRealEstateMember | 182 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialRealEstateMember
Average Outstanding Impaired Loans | 4,399 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialRealEstateMember | 4,171 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialRealEstateMember
Multifamily and Farmland |  |
Impaired loans |  |
Unpaid Contractual Principal Balance | 111 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_InternalCreditAssessmentAxis = PEBK_MultifamilyAndFarmlandMember | 177 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_InternalCreditAssessmentAxis = PEBK_MultifamilyAndFarmlandMember
Recorded Investment With No Allowance | 0 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_MultifamilyAndFarmlandMember | 0 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_MultifamilyAndFarmlandMember
Recorded Investment With Allowance | 110 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_MultifamilyAndFarmlandMember | 177 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_MultifamilyAndFarmlandMember
Recorded Investment in Impaired Loans | 110 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_MultifamilyAndFarmlandMember | 177 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_MultifamilyAndFarmlandMember
Related Allowance | 1 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_InternalCreditAssessmentAxis = PEBK_MultifamilyAndFarmlandMember | 1 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_InternalCreditAssessmentAxis = PEBK_MultifamilyAndFarmlandMember
Average Outstanding Impaired Loans | 154 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_MultifamilyAndFarmlandMember | 184 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = PEBK_MultifamilyAndFarmlandMember
Total real estate loans |  |
Impaired loans |  |
Unpaid Contractual Principal Balance | 38,304 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_InternalCreditAssessmentAxis = us-gaap_RealEstateMember | 45,004 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_InternalCreditAssessmentAxis = us-gaap_RealEstateMember
Recorded Investment With No Allowance | 6,057 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_RealEstateMember | 10,766 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_RealEstateMember
Recorded Investment With Allowance | 29,720 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_RealEstateMember | 29,409 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_RealEstateMember
Recorded Investment in Impaired Loans | 35,777 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_RealEstateMember | 40,175 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_RealEstateMember
Related Allowance | 1,649 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_InternalCreditAssessmentAxis = us-gaap_RealEstateMember | 1,659 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_InternalCreditAssessmentAxis = us-gaap_RealEstateMember
Average Outstanding Impaired Loans | 37,195 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_RealEstateMember | 41,745 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_RealEstateMember
Commercial loans (not secured by real estate) |  |
Impaired loans |  |
Unpaid Contractual Principal Balance | 218 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialLoanMember | 999 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialLoanMember
Recorded Investment With No Allowance | 0 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialLoanMember | 257 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialLoanMember
Recorded Investment With Allowance | 201 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialLoanMember | 724 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialLoanMember
Recorded Investment in Impaired Loans | 201 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialLoanMember | 981 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialLoanMember
Related Allowance | 4 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialLoanMember | 15 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialLoanMember
Average Outstanding Impaired Loans | 641 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialLoanMember | 826 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_CommercialLoanMember
Consumer loans (not secured by real estate) |  |
Impaired loans |  |
Unpaid Contractual Principal Balance | 318 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_InternalCreditAssessmentAxis = us-gaap_ConsumerLoanMember | 302 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_InternalCreditAssessmentAxis = us-gaap_ConsumerLoanMember
Recorded Investment With No Allowance | 0 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_ConsumerLoanMember | 264 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_ConsumerLoanMember
Recorded Investment With Allowance | 313 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_ConsumerLoanMember | 35 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_ConsumerLoanMember
Recorded Investment in Impaired Loans | 313 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_ConsumerLoanMember | 299 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_ConsumerLoanMember
Related Allowance | 5 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_InternalCreditAssessmentAxis = us-gaap_ConsumerLoanMember | 1 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_InternalCreditAssessmentAxis = us-gaap_ConsumerLoanMember
Average Outstanding Impaired Loans | $ 309 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_ConsumerLoanMember | $ 247 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = us-gaap_ConsumerLoanMember

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- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + 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)(1) -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5258-111524 + Details
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