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v3.20.2

Debt - Guarantors (Details) $ in Millions | 6 Months Ended
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Jun. 30, 2020 USD ($)
Debt Disclosure [Abstract] |
Debt instruments, initial offering price | $ 750.0

X
- Definition Debt Instruments, Initial Offering Price + References No definition available. + Details
Name: | parr_DebtInstrumentsInitialOfferingPrice
Namespace Prefix: | parr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration