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Investment in Piceance Energy Additional Information (Detail) (USD $)
3 Months Ended 0 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 09, 2015
May 29, 2015
Mar. 08, 2015
Dec. 31, 2014
Schedule of Equity Method Investments [Line Items]            
Payments to Acquire Equity Method Investments $ 13,764,000us-gaap_PaymentsToAcquireEquityMethodInvestments $ 0us-gaap_PaymentsToAcquireEquityMethodInvestments        
Depreciation, depletion, amortization and accretion 3,251,000us-gaap_DepreciationDepletionAndAmortization 3,061,000us-gaap_DepreciationDepletionAndAmortization        
Unrealized (gain) loss on derivative contracts 2,406,000us-gaap_UnrealizedGainLossOnDerivatives (149,000)us-gaap_UnrealizedGainLossOnDerivatives        
Amortization of natural gas and oil properties 15 years          
Piceance Energy [Member]            
Schedule of Equity Method Investments [Line Items]            
Ownership of Piceance Energy, LLC 33.70%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= parr_PiceanceEnergyMember
      33.34%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= parr_PiceanceEnergyMember
 
Line credit maximum borrowing amount 400,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= parr_PiceanceEnergyMember
         
Asset borrowing base currently at 110,000,000us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= parr_PiceanceEnergyMember
         
Balance outstanding on the revolving credit facility 70,000,000us-gaap_LineOfCredit
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= parr_PiceanceEnergyMember
         
Payments to Acquire Equity Method Investments     13,800,000us-gaap_PaymentsToAcquireEquityMethodInvestments
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= parr_PiceanceEnergyMember
     
Depreciation, depletion, amortization and accretion 7,400,000us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= parr_PiceanceEnergyMember
6,700,000us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= parr_PiceanceEnergyMember
       
Unrealized (gain) loss on derivative contracts (700,000)us-gaap_UnrealizedGainLossOnDerivatives
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= parr_PiceanceEnergyMember
1,800,000us-gaap_UnrealizedGainLossOnDerivatives
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= parr_PiceanceEnergyMember
       
Amount of equity in underlying assets exceeding carrying value 14,500,000us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= parr_PiceanceEnergyMember
        14,700,000us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= parr_PiceanceEnergyMember
Piceance Energy [Member] | Scenario, Forecast [Member]            
Schedule of Equity Method Investments [Line Items]            
Ownership of Piceance Energy, LLC       34.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= parr_PiceanceEnergyMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember
   
Payments to Acquire Equity Method Investments       $ 13,800,000us-gaap_PaymentsToAcquireEquityMethodInvestments
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= parr_PiceanceEnergyMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember