XML 48 R56.htm IDEA: XBRL DOCUMENT v2.4.1.9

Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Credit Risk Exposure of Loans Receivable, by Loan Type and Credit Quality Indicator (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Internal Risk Rating
Loans receivable	$ 476,908us-gaap_LoansAndLeasesReceivableGrossCarryingAmount	$ 423,829us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Commercial Portfolio Segment [Member] | Pass [Member] | Loan to Value Ratio Less than 75 Percent [Member]
Internal Risk Rating
Loans receivable	41,200us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember	23,671us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember
Commercial Portfolio Segment [Member] | Pass [Member] | Loan to Value Ratio Greater than or Equal to 75 Percent [Member]
Internal Risk Rating
Loans receivable	6,878us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember	3,868us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember
Commercial Portfolio Segment [Member] | Special Mention [Member] | Loan to Value Ratio Less than 75 Percent [Member]
Internal Risk Rating
Loans receivable	121us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SpecialMentionMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember	170us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SpecialMentionMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember
Commercial Portfolio Segment [Member] | Substandard [Member] | Loan to Value Ratio Less than 75 Percent [Member]
Internal Risk Rating
Loans receivable	5,774us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SubstandardMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember	7,428us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SubstandardMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember
Commercial Portfolio Segment [Member] | Loan to Value Ratio Less than 75 Percent [Member]
Internal Risk Rating
Loans receivable	47,095us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialPortfolioSegmentMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember	31,269us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialPortfolioSegmentMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember
Commercial Portfolio Segment [Member] | Loan to Value Ratio Greater than or Equal to 75 Percent [Member]
Internal Risk Rating
Loans receivable	6,878us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialPortfolioSegmentMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember	3,868us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialPortfolioSegmentMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember
Commercial Portfolio Segment [Member]
Internal Risk Rating
Loans receivable	53,973us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialPortfolioSegmentMember	35,137us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialPortfolioSegmentMember
Commercial Real Estate Portfolio Segment [Member] | Pass [Member] | Loan to Value Ratio Less than 75 Percent [Member]
Internal Risk Rating
Loans receivable	240,926us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember	198,787us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember
Commercial Real Estate Portfolio Segment [Member] | Pass [Member] | Loan to Value Ratio Greater than or Equal to 75 Percent [Member]
Internal Risk Rating
Loans receivable	7,206us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember	7,940us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member] | Loan to Value Ratio Less than 75 Percent [Member]
Internal Risk Rating
Loans receivable	1,945us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SpecialMentionMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember	6,551us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SpecialMentionMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member] | Loan to Value Ratio Greater than or Equal to 75 Percent [Member]
Internal Risk Rating
Loans receivable	1,983us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SpecialMentionMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember	2,496us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SpecialMentionMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member] | Loan to Value Ratio Less than 75 Percent [Member]
Internal Risk Rating
Loans receivable	2,445us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SubstandardMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember	3,684us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SubstandardMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member] | Loan to Value Ratio Greater than or Equal to 75 Percent [Member]
Internal Risk Rating
Loans receivable		3,314us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SubstandardMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember
Commercial Real Estate Portfolio Segment [Member] | Loan to Value Ratio Less than 75 Percent [Member]
Internal Risk Rating
Loans receivable	245,316us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember	209,022us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember
Commercial Real Estate Portfolio Segment [Member] | Loan to Value Ratio Greater than or Equal to 75 Percent [Member]
Internal Risk Rating
Loans receivable	9,189us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember	13,750us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember
Commercial Real Estate Portfolio Segment [Member]
Internal Risk Rating
Loans receivable	254,505us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember	222,772us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember
Real Estate Construction [Member] | Pass [Member] | Loan to Value Ratio Less than 75 Percent [Member]
Internal Risk Rating
Loans receivable	2,936us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = pnbk_RealEstateConstructionMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember
Real Estate Construction [Member] | Pass [Member] | Loan to Value Ratio Greater than or Equal to 75 Percent [Member]
Internal Risk Rating
Loans receivable	160us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = pnbk_RealEstateConstructionMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember
Real Estate Construction [Member] | Substandard [Member] | Loan to Value Ratio Less than 75 Percent [Member]
Internal Risk Rating
Loans receivable		60us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = pnbk_RealEstateConstructionMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SubstandardMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember
Real Estate Construction [Member] | Substandard [Member] | Loan to Value Ratio Greater than or Equal to 75 Percent [Member]
Internal Risk Rating
Loans receivable		200us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = pnbk_RealEstateConstructionMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SubstandardMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember
Real Estate Construction [Member] | Loan to Value Ratio Less than 75 Percent [Member]
Internal Risk Rating
Loans receivable	2,936us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = pnbk_RealEstateConstructionMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember	60us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = pnbk_RealEstateConstructionMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember
Real Estate Construction [Member] | Loan to Value Ratio Greater than or Equal to 75 Percent [Member]
Internal Risk Rating
Loans receivable	160us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = pnbk_RealEstateConstructionMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember	200us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = pnbk_RealEstateConstructionMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember
Real Estate Construction [Member]
Internal Risk Rating
Loans receivable	3,096us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = pnbk_RealEstateConstructionMember	260us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = pnbk_RealEstateConstructionMember
Real Estate Construction to Permanent [Member] | Pass [Member] | Loan to Value Ratio Less than 75 Percent [Member]
Internal Risk Rating
Loans receivable	10,627us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = pnbk_RealEstateConstructionToPermanentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember	10,183us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = pnbk_RealEstateConstructionToPermanentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember
Real Estate Construction to Permanent [Member] | Substandard [Member] | Loan to Value Ratio Less than 75 Percent [Member]
Internal Risk Rating
Loans receivable		1,189us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = pnbk_RealEstateConstructionToPermanentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SubstandardMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember
Real Estate Construction to Permanent [Member] | Loan to Value Ratio Less than 75 Percent [Member]
Internal Risk Rating
Loans receivable	10,627us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = pnbk_RealEstateConstructionToPermanentMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember	11,372us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = pnbk_RealEstateConstructionToPermanentMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember
Real Estate Construction to Permanent [Member]
Internal Risk Rating
Loans receivable	10,627us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = pnbk_RealEstateConstructionToPermanentMember	11,372us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = pnbk_RealEstateConstructionToPermanentMember
Residential Portfolio Segment [Member] | Pass [Member] | Loan to Value Ratio Less than 75 Percent [Member]
Internal Risk Rating
Loans receivable	93,238us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember	83,252us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember
Residential Portfolio Segment [Member] | Pass [Member] | Loan to Value Ratio Greater than or Equal to 75 Percent [Member]
Internal Risk Rating
Loans receivable	14,586us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember	20,778us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember
Residential Portfolio Segment [Member] | Substandard [Member] | Loan to Value Ratio Less than 75 Percent [Member]
Internal Risk Rating
Loans receivable	339us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SubstandardMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember	1,981us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SubstandardMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember
Residential Portfolio Segment [Member] | Substandard [Member] | Loan to Value Ratio Greater than or Equal to 75 Percent [Member]
Internal Risk Rating
Loans receivable	380us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SubstandardMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember	957us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SubstandardMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember
Residential Portfolio Segment [Member] | Loan to Value Ratio Less than 75 Percent [Member]
Internal Risk Rating
Loans receivable	93,577us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialPortfolioSegmentMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember	85,233us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialPortfolioSegmentMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember
Residential Portfolio Segment [Member] | Loan to Value Ratio Greater than or Equal to 75 Percent [Member]
Internal Risk Rating
Loans receivable	14,966us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialPortfolioSegmentMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember	21,735us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialPortfolioSegmentMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember
Residential Portfolio Segment [Member]
Internal Risk Rating
Loans receivable	108,543us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialPortfolioSegmentMember	106,968us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialPortfolioSegmentMember
Consumer Portfolio Segment [Member] | Pass [Member] | Loan to Value Ratio Less than 75 Percent [Member]
Internal Risk Rating
Loans receivable	43,820us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ConsumerPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember	42,780us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ConsumerPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember
Consumer Portfolio Segment [Member] | Pass [Member] | Loan to Value Ratio Greater than or Equal to 75 Percent [Member]
Internal Risk Rating
Loans receivable	1,627us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ConsumerPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember	3,849us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ConsumerPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember
Consumer Portfolio Segment [Member] | Pass [Member] | Other LTV [Member]
Internal Risk Rating
Loans receivable	710us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ConsumerPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_OtherLTVMember	650us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ConsumerPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember / us-gaap_RangeAxis = pnbk_OtherLTVMember
Consumer Portfolio Segment [Member] | Substandard [Member] | Loan to Value Ratio Less than 75 Percent [Member]
Internal Risk Rating
Loans receivable	7us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ConsumerPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SubstandardMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember	10us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ConsumerPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SubstandardMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember
Consumer Portfolio Segment [Member] | Substandard [Member] | Loan to Value Ratio Greater than or Equal to 75 Percent [Member]
Internal Risk Rating
Loans receivable		31us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ConsumerPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_SubstandardMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember
Consumer Portfolio Segment [Member] | Loan to Value Ratio Less than 75 Percent [Member]
Internal Risk Rating
Loans receivable	43,827us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ConsumerPortfolioSegmentMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember	42,790us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ConsumerPortfolioSegmentMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioLessThan75PercentMember
Consumer Portfolio Segment [Member] | Loan to Value Ratio Greater than or Equal to 75 Percent [Member]
Internal Risk Rating
Loans receivable	1,627us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ConsumerPortfolioSegmentMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember	3,880us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ConsumerPortfolioSegmentMember / us-gaap_RangeAxis = pnbk_LoanToValueRatioGreaterThanOrEqualTo75PercentMember
Consumer Portfolio Segment [Member] | Other LTV [Member]
Internal Risk Rating
Loans receivable	710us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ConsumerPortfolioSegmentMember / us-gaap_RangeAxis = pnbk_OtherLTVMember	650us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ConsumerPortfolioSegmentMember / us-gaap_RangeAxis = pnbk_OtherLTVMember
Consumer Portfolio Segment [Member]
Internal Risk Rating
Loans receivable	46,164us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ConsumerPortfolioSegmentMember	47,320us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ConsumerPortfolioSegmentMember
Pass [Member]
Internal Risk Rating
Loans receivable	463,914us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember	395,758us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember
Special Mention [Member]
Internal Risk Rating
Loans receivable	4,049us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = us-gaap_SpecialMentionMember	9,217us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = us-gaap_SpecialMentionMember
Substandard [Member]
Internal Risk Rating
Loans receivable	$ 8,945us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = us-gaap_SubstandardMember	$ 18,854us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = us-gaap_SubstandardMember

X

- Details

Name:	pnbk_InternalRiskRatingAbstract
Namespace Prefix:	pnbk_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

+ Details

Name:	us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=pnbk_RealEstateConstructionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=pnbk_RealEstateConstructionToPermanentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: