Debt - Retail Property Term Loan (Details) - Retail Property Term Loan	Mar. 29, 2019 USD ($) retail_property
Debt Instrument [Line Items]
Retail properties with mortgage liens \| retail_property	21
Term Loan
Debt Instrument [Line Items]
Debt instrument, face amount \| $	$ 45,000,000.0
Loan-to-appraisal value of portfolio properties, ratio	75.00%
Debt covenant, minimum annual debt yield	9.00%
Debt instrument, term	20 years
London Interbank Offered Rate (LIBOR) \| Term Loan
Debt Instrument [Line Items]
Margin on LIBOR rate	1.50%

Debt Covenant, Loan-To-Appraisal Value Of Portfolio Properties, Ratio

No definition available.

Name:	parr_DebtCovenantLoanToAppraisalValueOfPortfolioPropertiesRatio
Namespace Prefix:	parr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Covenant, Minimum Annual Debt Yield

+ References

No definition available.

+ Details

Name:	parr_DebtCovenantMinimumAnnualDebtYield
Namespace Prefix:	parr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Retail Properties With Mortgage Liens

+ References

No definition available.

+ Details

Name:	parr_RetailPropertiesWithMortgageLiens
Namespace Prefix:	parr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

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

- Details

Name:	us-gaap_LongtermDebtTypeAxis=parr_TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: