XML 68 R59.htm IDEA: XBRL DOCUMENT
v3.23.3

Financial Instruments With Off-balance Sheet Risk - Narrative (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Risks and Uncertainties [Abstract] |  |
Banks reserve based on analysis in unfunded commitments | $ 1,900 | $ 8

X
- Definition Banks reserve based on analysis in unfunded commitments. + References No definition available. + Details
Name: | pnbk_BanksReserveBasedOnAnalysisInUnfundedCommitments
Namespace Prefix: | pnbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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