XML 80 R58.htm IDEA: XBRL DOCUMENT
v3.19.3

Note 11 - Fair Value and Interest Rate Risk (Details Textual) - USD ($) | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Other Investments, Total | $ 4,963,000 | $ 4,963,000
Solomon Hess SBA Loan Fund [Member] |  |
Other Investments, Total | 4,450,000 |
Bank Time Deposits [Member] |  |
Other Investments, Total | $ 513,000 |
Federal Home Loan Bank Certificates and Obligations (FHLB) [Member] |  |
Stock Value Par or Stated Value per Share | $ 100 |

X
- Definition Represents information about 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 of investments classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(f,g)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_OtherInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_BankTimeDepositsMember
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: |