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Supply and Exchange Agreements (Textual) (Detail) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Handling fees $ 16,500,000us-gaap_ShippingHandlingAndTransportationCosts $ 3,700,000us-gaap_ShippingHandlingAndTransportationCosts
Supply and exchange agreement expenses 19,783,000us-gaap_InterestExpense 19,426,000us-gaap_InterestExpense
Supply and Exchange Agreements [Member]    
Supply and exchange agreement expenses $ 4,200,000us-gaap_InterestExpense
/ parr_AgreementTypeAxis
= parr_SupplyAndExchangeAgreementsMember		 $ 1,100,000us-gaap_InterestExpense
/ parr_AgreementTypeAxis
= parr_SupplyAndExchangeAgreementsMember