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Note 4 - Deposits (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2015
Disclosure Text Block [Abstract] |
Schedule of Deposits [Table Text Block] |
|  | March 31, |  |  | December 31, |
(in thousands) |  | 2015 |  |  | 2014 |
Non-interest bearing |  | $ | 70,331 |  |  | $ | 63,398 |
Interest bearing |  |  |  |  |  |  |  |
NOW |  |  | 26,673 |  |  |  | 26,269 |
Savings |  |  | 96,846 |  |  |  | 93,790 |
Money market |  |  | 23,824 |  |  |  | 24,650 |
Time certificates, less than $100,000 |  |  | 99,691 |  |  |  | 106,340 |
Time certificates, $100,000 or more |  |  | 91,533 |  |  |  | 97,876 |
Brokered Deposits |  |  | 48,209 |  |  |  | 30,710 |
Total interest bearing |  |  | 386,776 |  |  |  | 379,635 |
Total Deposits |  | $ | 457,107 |  |  | $ | 443,033 |

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- Definition Schedule of deposits. + References No definition available. + Details
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Namespace Prefix: | pnbk_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_DisclosureTextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration