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v3.19.3

Related Party Transactions (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Related Party Transaction [Line Items] |  |  |  |
Travel and out of pocket expenses |  |  | $ 50,000 |
Investor |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Initial term of service agreements |  |  | 1 year |
Renewal term for service agreements |  |  | 1 year |
Termination period between extension date |  |  | 60 days |
EGI |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Percentage ownership of Par common stock (or more) | 10.00% |  | 10.00% |
EGI | Investor |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Service agreements, commitment costs | $ 0 | $ 0 | $ 0 | $ 0

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- Definition Related Party Transaction, Percent Ownership In Parent + References No definition available. + Details
Name: | parr_RelatedPartyTransactionPercentOwnershipInParent
Namespace Prefix: | parr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Service Agreement Termination Prior to Extension, Term + References No definition available. + Details
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Namespace Prefix: | parr_
Data Type: | xbrli:durationItemType
Balance Type: | na
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- Definition Services Agreements, Initial Term + References No definition available. + Details
Name: | parr_ServicesAgreementsInitialTerm
Namespace Prefix: | parr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Services Agreements, Renewal Term + References No definition available. + Details
Name: | parr_ServicesAgreementsRenewalTerm
Namespace Prefix: | parr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Professional and contract service expense includes cost reimbursements for support services related to contracted projects, outsourced management, technical and staff support. + References No definition available. + Details
Name: | us-gaap_ProfessionalAndContractServicesExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_InvestorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_CounterpartyNameAxis=parr_EquityGroupInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |