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Note 9 - Financial Instruments with Off-Balance Sheet Risk (Details) - Contractual Amounts Represent Credit Risk (USD $) In Thousands, unless otherwise specified | Jun. 30, 2014
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Note 9 - Financial Instruments with Off-Balance Sheet Risk (Details) - Contractual Amounts Represent Credit Risk [Line Items] |
Commitments to extend credit | $ 85,375
Future Loan Commitments [Member] |
Note 9 - Financial Instruments with Off-Balance Sheet Risk (Details) - Contractual Amounts Represent Credit Risk [Line Items] |
Commitments to extend credit | 12,577
Home Equity Lines of Credit [Member] |
Note 9 - Financial Instruments with Off-Balance Sheet Risk (Details) - Contractual Amounts Represent Credit Risk [Line Items] |
Commitments to extend credit | 23,461
Unused lines of Credit [Member] |
Note 9 - Financial Instruments with Off-Balance Sheet Risk (Details) - Contractual Amounts Represent Credit Risk [Line Items] |
Commitments to extend credit | 42,331
Undisbursed Construction Loans [Member] |
Note 9 - Financial Instruments with Off-Balance Sheet Risk (Details) - Contractual Amounts Represent Credit Risk [Line Items] |
Commitments to extend credit | 5,888
Financial Standby Letter of Credit [Member] |
Note 9 - Financial Instruments with Off-Balance Sheet Risk (Details) - Contractual Amounts Represent Credit Risk [Line Items] |
Commitments to extend credit | $ 1,118

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- Definition Commitments to extend credit. + References No definition available. + Details
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Namespace Prefix: | pnbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | pnbk_Note9FinancialInstrumentswithOffBalanceSheetRiskDetailsContractualAmountsRepresentCreditRiskLineItems
Namespace Prefix: | pnbk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration