XML 54 R43.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Note 7 - Financial Instruments With Off-balance Sheet Risk (Details Textual) | Jun. 30, 2017 USD ($)
--- | ---
Banks Reserve Based on Analysis in Unfunded Commitments | $ 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