XML 89 R76.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Note 14 - Financial Instruments with Off-balance Sheet Risk (Details) - USD ($) | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Risks and Uncertainties [Abstract] |  |
Banks Reserve Based on Analysis in Unfunded Commitments | $ 5,000 | $ 5,000

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