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Debt - 5.00% Convertible Senior Notes Due 2021 (Details) $ in Millions	Jun. 15, 2021 USD ($)
Convertible Debt | 5.00% Convertible Senior Notes due 2021
Debt Instrument [Line Items]
Repurchased face amount	$ 48.7

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=parr_A5ConvertibleSeniorNotesdue2021Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: