XML 97 R84.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Note 18 - Fair Value and Interest Rate Risk (Details) - Financial Assets Measured at Fair Value on a Non-recurring Basis - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Note 18 - Fair Value and Interest Rate Risk (Details) - Financial Assets Measured at Fair Value on a Non-recurring Basis [Line Items] |  |
Impaired loans | $ 12,851 | $ 11,717
Impaired Loans [Member] | Fair Value, Measurements, Nonrecurring [Member] |  |
Note 18 - Fair Value and Interest Rate Risk (Details) - Financial Assets Measured at Fair Value on a Non-recurring Basis [Line Items] |  |
Impaired loans | 363 | 859
Fair Value, Inputs, Level 3 [Member] | Impaired Loans [Member] | Fair Value, Measurements, Nonrecurring [Member] |  |
Note 18 - Fair Value and Interest Rate Risk (Details) - Financial Assets Measured at Fair Value on a Non-recurring Basis [Line Items] |  |
Impaired loans | $ 363 | $ 859

X
- References No definition available. + Details
Name: | pnbk_Note18FairValueandInterestRateRiskDetailsFinancialAssetsMeasuredatFairValueonaNonrecurringBasisLineItems
Namespace Prefix: | pnbk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=pnbk_ImpairedLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |