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Deposits (Details Textual) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011
Deposits (Textual) [Abstract] |  |
Certificate of Deposit Account Registry Service | $ 0 | $ 1,361,544
CDARS program, may not exceed of total deposits | 10.00% |
Deposits held for sale | $ 24,705,381 |

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- Definition Deposits held for sale. + References No definition available. + Details
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- Details
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- Definition Percentage of acceptance of deposits from bank customers maximum. + References No definition available. + Details
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Namespace Prefix: | pnbk_
Data Type: | num:percentItemType
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- Definition Amount of interest-bearing domestic third-party deposits placed by or through the assistance of a deposit broker, also known as brokered deposit liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 9 + Details
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