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Note 10 - Financial Instruments with Off-balance Sheet Risk (Details Textual)	Jun. 30, 2016 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