XML 57 R44.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 USD ($) $ / shares shares | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Maturity of Federal Funds | 1 day |  |
Federal Home Loan Bank Stock | $ 6,570,000 | $ 6,628,000 |
Federal Reserve Bank Stock | $ 2,075,000 | 2,058,000 |
Percentage of Possible Cumulative Change of Federal Reserve Bank Stock | 15.00% |  |
Cumulative Change in Shares of Federal Reserve Bank Stock (in Shares) | shares | 100 |  |
SBA Loan Funds | $ 4,500,000 |  |
Mortgage Loans in Process of Foreclosure, Amount | 363,000 | 0 |
Deferred Tax Assets, Net of Valuation Allowance | $ 13,763,000 | 14,926,000 | $ 0
Income Tax Examination, Penalties and Interest Expense |  | $ 3,000 |
Earliest Tax Year [Member] |  |  |
Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Income Tax Examination, Year under Examination, Completed | 2004 |  |
Latest Tax Year [Member] |  |  |
Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Income Tax Examination, Year under Examination, Completed | 2009 |  |
Federal Home Loan Bank Certificates and Obligations (FHLB) [Member] |  |  |
Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Stock Value Par or Stated Value Per Share (in Dollars per share) | $ / shares | $ 100 |  |
Federal Reserve Bank Stock [Member] |  |  |
Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Stock Value Par or Stated Value Per Share (in Dollars per share) | $ / shares | $ 100 |  |
CONNECTICUT |  |  |
Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Number of Operating Branches | 7 |  |
NEW YORK |  |  |
Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Number of Operating Branches | 2 |  |
Vesting Period One [Member] | Restricted Stock [Member] |  |  |
Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  | 3 years |
Vesting Period Two [Member] | Restricted Stock [Member] |  |  |
Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  | 4 years |
Vesting Period Three [Member] | Restricted Stock [Member] |  |  |
Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  | 5 years |
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Earliest Tax Year [Member] |  |  |
Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Open Tax Year | 2010 |  |
State and Local Jurisdiction [Member] | CONNECTICUT | Earliest Tax Year [Member] |  |  |
Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Open Tax Year | 2014 |  |
State and Local Jurisdiction [Member] | CONNECTICUT | Latest Tax Year [Member] |  |  |
Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Open Tax Year | 2010 |  |
Minimum [Member] |  |  |
Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 3 years |  |
Maximum [Member] |  |  |
Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 40 years |  |

X
- Definition Cumulative change in shares of federal reserve bank stock + References No definition available. + Details
Name: | pnbk_CumulativeChangeInSharesOfFederalReserveBankStock
Namespace Prefix: | pnbk_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tax year audited and whose audit was completed in the income tax examination, in CCYY format. + References No definition available. + Details
Name: | pnbk_IncomeTaxExaminationYearUnderExaminationCompleted
Namespace Prefix: | pnbk_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maturity of federal funds, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | pnbk_MaturityOfFederalFunds
Namespace Prefix: | pnbk_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | pnbk_Note1NatureofOperationsandSummaryofSignificantAccountingPoliciesDetailsLineItems
Namespace Prefix: | pnbk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of operating branches. + References No definition available. + Details
Name: | pnbk_NumberOfOperatingBranches
Namespace Prefix: | pnbk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of possible cumulative change of federal reserve bank stock. + References No definition available. + Details
Name: | pnbk_PercentageOfPossibleCumulativeChangeOfFederalReserveBankStock
Namespace Prefix: | pnbk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Investments in SBA loans. + References No definition available. + Details
Name: | pnbk_SBALoanFunds
Namespace Prefix: | pnbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Stock value par or stated value per share. + References No definition available. + Details
Name: | pnbk_StockValueParOrStatedValuePerShare
Namespace Prefix: | pnbk_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b),(c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
Name: | us-gaap_DeferredTaxAssetsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 325 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6478792&loc=d3e63345-112809 + Details
Name: | us-gaap_FederalHomeLoanBankStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Federal Reserve Bank stock represents an equity interest in the Federal Reserve Bank. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 325 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6478792&loc=d3e63345-112809 + Details
Name: | us-gaap_FederalReserveBankStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
Name: | us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL49126937-111524 + Details
Name: | us-gaap_MortgageLoansInProcessOfForeclosureAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Tax year that remains open to examination under enacted tax laws, in CCYY format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
Name: | us-gaap_OpenTaxYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_EarliestTaxYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_LatestTaxYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_FederalHomeLoanBankCertificatesAndObligationsFHLBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=pnbk_FederalReserveBankStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=stpr_CT
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=stpr_NY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=pnbk_VestingPeriodOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=pnbk_VestingPeriodTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=pnbk_VestingPeriodThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityNameAxis=us-gaap_InternalRevenueServiceIRSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityNameAxis=stpr_CT
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |