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Note 12 - Stockholders' Equity (Details)
0 Months Ended 1 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 0 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended 0 Months Ended 1 Months Ended 9 Months Ended 12 Months Ended 0 Months Ended 0 Months Ended 1 Months Ended 9 Months Ended 12 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended 0 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2014
Jan. 23, 2014
USD ($)
Dec. 31, 2013
Apr. 25, 2013
Berggruen Acquisition Holdings, IV, Ltd [Member]
Successor [Member]
Series A Preferred Stock [Member]
Nov. 06, 2014
Private Placement [Member]
Successor [Member]
Oct. 08, 2014
Private Placement [Member]
Successor [Member]
May 20, 2014
Private Placement [Member]
Successor [Member]
USD ($)
Nov. 06, 2014
Private Placement [Member]
Successor [Member]
USD ($)
Oct. 08, 2014
Private Placement [Member]
Successor [Member]
USD ($)
Dec. 31, 2014
Shares Issued In Connection With 401(k) Exchange Agreement [Member]
Common Stock [Member]
Successor [Member]
USD ($)
Oct. 25, 2013
Shares Issued In Connection With 401(k) Exchange Agreement [Member]
Successor [Member]
MacDermid [Member]
Dec. 31, 2014
Shares Issued In Connection With 401(k) Exchange Agreement [Member]
Successor [Member]
USD ($)
Dec. 31, 2014
Common Stock [Member]
Successor [Member]
Weighted Average [Member]
Stock Dividends to Series A Preferred Stock Shareholders [Member]
USD ($)
Nov. 17, 2014
Common Stock [Member]
Successor [Member]
Underwriter Options [Member]
USD ($)
Dec. 31, 2014
Common Stock [Member]
Successor [Member]
Agriphar [Member]
Dec. 31, 2014
Common Stock [Member]
Successor [Member]
Chemtura [Member]
Nov. 17, 2014
Common Stock [Member]
Successor [Member]
USD ($)
Dec. 31, 2014
Common Stock [Member]
Successor [Member]
USD ($)
Nov. 17, 2014
Common Stock [Member]
Successor [Member]
USD ($)
May 22, 2013
Common Stock [Member]
Successor [Member]
USD ($)
May 22, 2013
Warrant [Member]
Successor [Member]
Warrants and Rights Subject to Mandatory Redemption [Member]
May 22, 2013
Warrant [Member]
Successor [Member]
USD ($)
Dec. 31, 2012
Preferred Stock [Member]
Predecessor [Member]
USD ($)
Dec. 31, 2014
Successor [Member]
Minimum [Member]
PDH [Member]
Dec. 31, 2013
Successor [Member]
Maximum [Member]
PDH [Member]
Dec. 31, 2014
Successor [Member]
Series A Preferred Stock [Member]
Preferred Stock Conversion [Member]
Dec. 31, 2014
Successor [Member]
Series A Preferred Stock [Member]
Common Stock Conversion [Member]
May 22, 2013
Successor [Member]
Series A Preferred Stock [Member]
Founder Entities [Member]
Dec. 31, 2014
Successor [Member]
Stock Dividends to Series A Preferred Stock Shareholders [Member]
USD ($)
Dec. 31, 2014
Successor [Member]
United States of America, Dollars
Agriphar [Member]
Dec. 31, 2014
Successor [Member]
Euro Member Countries, Euro
Agriphar [Member]
May 22, 2013
Successor [Member]
Warrant Exchange Offer [Member]
USD ($)
Dec. 31, 2014
Successor [Member]
Agriphar [Member]
USD ($)
Oct. 01, 2014
Successor [Member]
Agriphar [Member]
Dec. 31, 2014
Successor [Member]
Agriphar [Member]
USD ($)
Dec. 31, 2014
Successor [Member]
Agriphar [Member]
EUR (€)
Nov. 03, 2013
Successor [Member]
Chemtura [Member]
Dec. 31, 2014
Successor [Member]
Chemtura [Member]
USD ($)
Oct. 25, 2013
Successor [Member]
MacDermid [Member]
USD ($)
Dec. 31, 2013
Successor [Member]
MacDermid [Member]
USD ($)
Oct. 25, 2013
Successor [Member]
MacDermid [Member]
USD ($)
May 22, 2013
Successor [Member]
Non-founder Directors [Member]
USD ($)
May 22, 2013
Successor [Member]
Founders [Member]
USD ($)
May 22, 2013
Successor [Member]
Two Independent Directors [Member]
USD ($)
Dec. 31, 2013
Successor [Member]
PDH [Member]
USD ($)
Dec. 31, 2014
Successor [Member]
PDH [Member]
USD ($)
Dec. 31, 2013
Successor [Member]
PDH [Member]
May 22, 2013
Successor [Member]
Founder Entities [Member]
USD ($)
Apr. 25, 2013
Successor [Member]
Founder Entities [Member]
Apr. 25, 2013
Successor [Member]
Founder Entities [Member]
USD ($)
Apr. 25, 2013
Successor [Member]
Mariposa Acquisition, LLC [Member]
Nov. 17, 2014
Successor [Member]
USD ($)
Apr. 03, 2014
Successor [Member]
USD ($)
May 22, 2013
Successor [Member]
USD ($)
Nov. 06, 2014
Successor [Member]
USD ($)
May 22, 2013
Successor [Member]
USD ($)
Dec. 31, 2013
Successor [Member]
USD ($)
Dec. 31, 2014
Successor [Member]
USD ($)
Dec. 31, 2013
Successor [Member]
Oct. 25, 2013
Successor [Member]
USD ($)
Dec. 31, 2012
Predecessor [Member]
USD ($)
Dec. 31, 2014
Series A Preferred Stock [Member]
Dec. 31, 2013
Series A Preferred Stock [Member]
Dec. 31, 2014
United States of America, Dollars
Agriphar [Member]
Dec. 31, 2014
Euro Member Countries, Euro
Agriphar [Member]
Oct. 01, 2014
Agriphar [Member]
USD ($)
Oct. 01, 2014
Agriphar [Member]
EUR (€)
Dec. 31, 2014
Agriphar [Member]
USD ($)
Mar. 04, 2014
MacDermid [Member]
Oct. 31, 2013
MacDermid [Member]
Oct. 31, 2013
MacDermid [Member]
USD ($)
Dec. 31, 2014
MacDermid [Member]
USD ($)
Dec. 31, 2014
PDH [Member]
Note 12 - Stockholders' Equity (Details) [Line Items]                                                                                                                                                  
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9,404,064us-gaap_StockIssuedDuringPeriodSharesNewIssues
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/ us-gaap_SubsidiarySaleOfStockAxis
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16,060,960us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementScenarioAxis
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/ us-gaap_SubsidiarySaleOfStockAxis
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15,800,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementScenarioAxis
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/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
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/ us-gaap_StatementScenarioAxis
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/ us-gaap_SubsidiarySaleOfStockAxis
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/ us-gaap_StatementEquityComponentsAxis
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/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
                            13,462,280us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementScenarioAxis
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/ us-gaap_TransactionTypeAxis
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                  29,500us-gaap_StockIssuedDuringPeriodSharesNewIssues
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380,952us-gaap_StockIssuedDuringPeriodSharesNewIssues
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/ us-gaap_TitleOfIndividualAxis
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190,476us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementScenarioAxis
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/ us-gaap_TitleOfIndividualAxis
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      1,999,998us-gaap_StockIssuedDuringPeriodSharesNewIssues
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/ us-gaap_StatementScenarioAxis
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2us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_CounterpartyNameAxis
= pah_FounderEntitiesMember
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
  1us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_CounterpartyNameAxis
= pah_MariposaAcquisitionLLCMember
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
        88,500,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
                                134,044us-gaap_StockIssuedDuringPeriodSharesNewIssues
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Preferred Stock, Value, Issued (in Dollars)                                                                                                   $ 20us-gaap_PreferredStockValue
/ us-gaap_CounterpartyNameAxis
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/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
                                             
Stock Issued During Period, Value, New Issues (in Dollars)             300,000,000us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
        18,400,000us-gaap_StockIssuedDuringPeriodValueNewIssues
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/ us-gaap_SubsidiarySaleOfStockAxis
= pah_SharesIssuedInConnectionWith401kExchangeAgreementMember
                                                                      20,000,000us-gaap_StockIssuedDuringPeriodValueNewIssues
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/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
                                                 
Preferred Stock, Shares Outstanding                                                       2,000,000us-gaap_PreferredStockSharesOutstanding
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/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
/ us-gaap_StatementScenarioAxis
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                                                                315,144us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementScenarioAxis
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2,000,000us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
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2,000,000us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
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Common Stock Dividends, Shares                                                         10,050,290us-gaap_CommonStockDividendsShares
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Preferred Stock, Ordinary Share Market Price Appreciation, Dividend, Percentage                                                         20.00%pah_PreferredStockOrdinaryShareMarketPriceAppreciationDividendPercentage
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Share Price (in Dollars per share)   $ 0.01us-gaap_SharePrice           $ 25.59us-gaap_SharePrice
/ us-gaap_StatementScenarioAxis
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$ 25.59us-gaap_SharePrice
/ us-gaap_StatementScenarioAxis
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/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
$ 11.00us-gaap_SharePrice
/ us-gaap_StatementEquityComponentsAxis
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/ us-gaap_StatementScenarioAxis
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/ us-gaap_SubsidiarySaleOfStockAxis
= pah_SharesIssuedInConnectionWith401kExchangeAgreementMember
    $ 23.16us-gaap_SharePrice
/ us-gaap_DividendsAxis
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/ us-gaap_StatementScenarioAxis
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$ 10.00us-gaap_SharePrice
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                                          $ 10.00us-gaap_SharePrice
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$ 10.50us-gaap_SharePrice
/ us-gaap_StatementScenarioAxis
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$ 10.50us-gaap_SharePrice
/ us-gaap_StatementScenarioAxis
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                      $ 18.00us-gaap_SharePrice
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Convertible Preferred Stock, Shares Issued upon Conversion                                                   1us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion
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1us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion
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Other Preferred Stock Dividends and Adjustments (in Dollars)                                                                                                                 172,000,000us-gaap_OtherPreferredStockDividendsAndAdjustments
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Stock Issued During Period, Value, Stock Options Exercised (in Dollars)                           2,145,000us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
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Proceeds from Issuance of Common Stock (in Dollars)                                                               141,000,000us-gaap_ProceedsFromIssuanceOfCommonStock
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        1,019,500,000us-gaap_ProceedsFromIssuanceOfCommonStock
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1,512,600,000us-gaap_ProceedsFromIssuanceOfCommonStock
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Payments of Stock Issuance Costs (in Dollars)             13,800,000us-gaap_PaymentsOfStockIssuanceCosts
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Warrants Redeemed                                                                                                         8,580pah_WarrantsRedeemed
/ us-gaap_StatementScenarioAxis
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Warrants Redeemed Price (in Dollars per share)                                                                                                         $ 0.01pah_WarrantsRedeemedPrice
/ us-gaap_StatementScenarioAxis
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Business Acquisition, Percentage of Ownership                                                                             3.00%pah_BusinessAcquisitionPercentageOfOwnership
/ us-gaap_BusinessAcquisitionAxis
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/ us-gaap_StatementScenarioAxis
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                                                          3.00%pah_BusinessAcquisitionPercentageOfOwnership
/ us-gaap_BusinessAcquisitionAxis
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97.00%pah_BusinessAcquisitionPercentageOfOwnership
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Business Combination, Consideration Transferred (in Dollars)                                                                             2,600,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
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/ us-gaap_StatementScenarioAxis
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Common Stock, Shares Issued Upon Conversion                                   134,044pah_CommonStockSharesIssuedUponConversion
/ us-gaap_StatementEquityComponentsAxis
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/ us-gaap_StatementScenarioAxis
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/ us-gaap_StatementScenarioAxis
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Common Stock, Par or Stated Value Per Share (in Dollars per share)                                                                                 $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
/ us-gaap_BusinessAcquisitionAxis
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/ us-gaap_StatementScenarioAxis
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/ us-gaap_StatementScenarioAxis
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$ 1.00us-gaap_CommonStockParOrStatedValuePerShare
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Proceeds from Issuance Initial Public Offering (in Dollars)                                                                                                           885,000,000us-gaap_ProceedsFromIssuanceInitialPublicOffering
/ us-gaap_StatementScenarioAxis
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Class of Warrant or Right, Outstanding                                         90,529,500us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis
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/ us-gaap_StatementEquityComponentsAxis
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/ us-gaap_StatementScenarioAxis
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Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per share)                                   $ 11.50us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_StatementEquityComponentsAxis
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/ us-gaap_StatementScenarioAxis
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Class of Warrant or Right, Exercisable Time Period                                           3 years                                                                                                      
Class of Warrant or Right, Warrant Redemption Price (in Dollars)                                           0.01pah_ClassOfWarrantOrRightWarrantRedemptionPrice
/ us-gaap_StatementEquityComponentsAxis
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Class of Warrant or Right, Threshold Consecutive Trading Days                                                                                                               10 days                                  
Sale of Stock, Price Per Share (in Dollars per share)                                             $ 1,000us-gaap_SaleOfStockPricePerShare
/ us-gaap_StatementEquityComponentsAxis
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/ us-gaap_StatementScenarioAxis
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Warrants Exchanged Per Common Share                                                               3pah_WarrantsExchangedPerCommonShare
/ us-gaap_StatementScenarioAxis
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Warrants Exchanged for Common Stock                                                               40,386,840pah_WarrantsExchangedForCommonStock
/ us-gaap_StatementScenarioAxis
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Business Acquisition, Equity Interest Issued or Issuable, Value Assigned (in Dollars)                                                                               97,500,000us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned
/ us-gaap_BusinessAcquisitionAxis
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/ us-gaap_StatementScenarioAxis
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/ us-gaap_BusinessAcquisitionAxis
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/ us-gaap_BusinessAcquisitionAxis
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Annual Amount of Equity of Wholly Owned Subsidiary Eligible to be Exchanged for Common shares of the Company, Percentage                                                                                             25.00%pah_AnnualAmountOfEquityOfWhollyOwnedSubsidiaryEligibleToBeExchangedForCommonSharesOfTheCompanyPercentage
/ dei_LegalEntityAxis
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/ us-gaap_StatementScenarioAxis
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Annual Amount of Equity of Wholly Owned Subsidiary Eligible To Be Exchanged For Common Shares Of The Company Period                                                                                             4 years                                                    
Common Stock Originally Issuable Upon Exchange, Shares                                                                                                                     8,800,000pah_CommonStockOriginallyIssuableUponExchangeShares
/ us-gaap_StatementScenarioAxis
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Income (Loss) Attributable to Noncontrolling Interest (in Dollars)                                                                                         (1,400,000)us-gaap_IncomeLossAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
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/ us-gaap_StatementScenarioAxis
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(6,400,000)us-gaap_IncomeLossAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
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/ us-gaap_StatementScenarioAxis
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Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners 6.66%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners   6.66%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners                                         6.66%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
/ dei_LegalEntityAxis
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6.76%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
/ dei_LegalEntityAxis
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                                                                                          6.76%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
/ us-gaap_BusinessAcquisitionAxis
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  6.76%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
/ dei_LegalEntityAxis
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Common Stock, Shares, Issued 182,066,980us-gaap_CommonStockSharesIssued   103,571,941us-gaap_CommonStockSharesIssued                                                                                                                   50,000,000us-gaap_CommonStockSharesIssued
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Common Stock, Shares, Outstanding 182,066,980us-gaap_CommonStockSharesOutstanding   103,571,941us-gaap_CommonStockSharesOutstanding                                                                                                                   49,582,936us-gaap_CommonStockSharesOutstanding
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Preferred Stock, Shares Issued                                                                                                                         316,000us-gaap_PreferredStockSharesIssued
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2,000,000us-gaap_PreferredStockSharesIssued
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2,000,000us-gaap_PreferredStockSharesIssued
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Preferred Stock, Dividend Rate, Percentage                                                                                                                         9.00%us-gaap_PreferredStockDividendRatePercentage
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Dividends, Paid-in-kind (in Dollars)                                                                                                                         $ 209,000,000us-gaap_DividendsPaidinkind
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