XML 75 R27.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Other Comprehensive Income (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2013
Other Comprehensive Income [Abstract] |
Change in Unrealized Gains and Losses on Available-for-Sale Securities |
|  | Three Months Ended |  |  | Three Months Ended |
|  | March 31, 2013 |  |  | March 31, 2012 |
|  | Before Tax Amount |  |  | Tax Effect |  |  | Net of Tax Amount |  |  | Before Tax Amount |  |  | Tax Effect |  |  | Net of Tax Amount |
Unrealized holding gains arising during the period |  | $ | 54,961 |  |  | $ | — |  |  | $ | 54,961 |  |  | $ | 108,687 |  |  | $ | (41,302 | ) |  | $ | 67,385 |
Reclassification adjustment for losses recognized in income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (8,042 | ) |  |  | 3,056 |  |  |  | (4,986 | )
Unrealized holding gains on available for sale securities, net of taxes |  | $ | 54,961 |  |  | $ | — |  |  | $ | 54,961 |  |  | $ | 100,645 |  |  | $ | (38,246 | ) |  | $ | 62,399 |

X
- Definition Schedule of other comprehensive income change in unrealized gains and losses on available for sale securities. + References No definition available. + Details
Name: | pnbk_ScheduleOfOtherComprehensiveIncomeChangeInUnrealizedGainsAndLossesOnAvailableForSaleSecuritiesTableTextBlock
Namespace Prefix: | pnbk_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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