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v3.19.3.a.u2

Stockholders' Equity - Registration Rights Agreement (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2019 USD ($)
Debt Instrument [Line Items] |
Maximum amount of repurchase rights agreement | $ 50
Effectiveness penalty percentage | 0.25%
Purchase price allocation percentage | 0.75%
5% Convertible Senior Notes due 2021 | Convertible Debt |
Debt Instrument [Line Items] |
Interest rate on the 90th day following registration statement | 0.25%
Interest rate on the 91st day following the registration statement | 0.50%
Registration statement liquidation damages limit | 0.50%

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- Definition Interest Rate on the 90th Day Following Registration Statement + References No definition available. + Details
Name: | parr_InterestRateonthe90thDayFollowingRegistrationStatement
Namespace Prefix: | parr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Interest Rate on the 91st Day Following the Registration Statement + References No definition available. + Details
Name: | parr_InterestRateonthe91stDayFollowingtheRegistrationStatement
Namespace Prefix: | parr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition This element represents the maximum amount of repurchase rights agreement. + References No definition available. + Details
Name: | parr_MaximumAmountOfRepurchaseRightsAgreement
Namespace Prefix: | parr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Registration Statement Effectiveness Penalty Percentage + References No definition available. + Details
Name: | parr_RegistrationStatementEffectivenessPenaltyPercentage
Namespace Prefix: | parr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Registration Statement Effectiveness Purchase Price Allocation Percentage + References No definition available. + Details
Name: | parr_RegistrationStatementEffectivenessPurchasePriceAllocationPercentage
Namespace Prefix: | parr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Registration Statement Liquidation Damages Limit + References No definition available. + Details
Name: | parr_RegistrationStatementLiquidationDamagesLimit
Namespace Prefix: | parr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

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

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- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_ConvertibleDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |