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Leases (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($) lease | Dec. 31, 2018 USD ($) retail_property | Dec. 31, 2017 USD ($)
Lessee, Lease, Description [Line Items] |  |  |
Operating lease undiscounted amount | $ 9.0 |  |
Finance lease undiscounted amount | $ 1.2 |  |
Number of operating leases, not yet commenced | lease | 3 |  |
Number of finance leases, not yet commenced | lease | 3 |  |
Number of retail stations under capital leases | retail_property |  | 17 |
Operating lease, average remaining lease term |  | 8 years |
Rent expense |  | $ 41.6 | $ 41.2
Minimum |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Renewal term | 1 year |  |
Capital lease, renewal term |  | 1 year |
Maximum |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Renewal term | 30 years |  |
Capital lease, renewal term |  | 15 years |

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- Definition Capital Lease, Renewal Term + References No definition available. + Details
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Balance Type: | na
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- Definition Lessee, Finance Lease, Lease Not Yet Commenced, Number Of Leases + References No definition available. + Details
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Balance Type: | na
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- Definition Lessee, Finance Lease, Lease Not Yet Commenced, Undiscounted Amount + References No definition available. + Details
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Namespace Prefix: | parr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Lessee, Lease, Renewal Term + References No definition available. + Details
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- Definition Lessee, Operating Lease, Lease Not Yet Commenced, Number of Leases + References No definition available. + Details
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- Definition Lessee, Operating Lease, Lease Not Yet Commenced, Undiscounted Amount + References No definition available. + Details
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Namespace Prefix: | parr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Number Of Retail Stations Under Capital Leases + References No definition available. + Details
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Namespace Prefix: | parr_
Data Type: | xbrli:integerItemType
Balance Type: | na
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- Definition Operating Lease, Average Remaining Lease Term + References No definition available. + Details
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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
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717 + Details
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- Details
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- Details
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