Debt Instrument, Additional Principal Amount

No definition available.

Name:	parr_DebtInstrumentAdditionalPrincipalAmount
Namespace Prefix:	parr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Percentage

+ References

No definition available.

+ Details

Name:	parr_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsPercentage
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Period Type:	duration

- Definition

Stock Issued During the Period, Fair Value, Repurchase Of Convertible Debt

+ References

No definition available.

+ Details

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- Definition

Stock Issued During the Period, Shares, Repurchase Of Convertible Debt

+ References

No definition available.

+ Details

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
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+ Details

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Period Type:	instant

- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

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+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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+ Details

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Balance Type:	na
Period Type:	duration

- Definition

The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only.

+ References

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Period Type:	duration

- Definition

The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.

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- Definition

Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

+ References

No definition available.

+ Details

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- Definition

Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.

+ References

No definition available.

+ Details

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- Definition

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

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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ 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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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

+ References

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Balance Type:	debit
Period Type:	instant

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Period Type:	duration

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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- Definition

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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- Definition

The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

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-Publisher FASB
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- Details

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- Details

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- Details

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Debt - 5.00% Convertible Senior Notes Due 2021 (Details)			1 Months Ended		8 Months Ended	12 Months Ended
	Jun. 27, 2019	Jun. 27, 2016 USD ($) shares	Jun. 30, 2019 trading_day	Jun. 30, 2016 USD ($)	Dec. 31, 2019 USD ($) shares	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Jun. 21, 2016 $ / shares
Debt Instrument [Line Items]
Repayments of debt						$ 159,489,000	$ 241,336,000	$ 118,751,000
Principal amount of long-term debt					$ 634,737,000	731,523,000	634,737,000
Unamortized discount (premium) and debt issuance costs					22,806,000	$ 22,930,000	22,806,000
5.00% Convertible Senior Notes due 2021
Debt Instrument [Line Items]
Debt instrument, interest rate				5.00%		5.00%
5.00% Convertible Senior Notes due 2021 \| Reported Value Measurement
Debt Instrument [Line Items]
Long-term debt, fair value						$ 47,300,000
5.00% Convertible Senior Notes due 2021 \| Convertible Debt
Debt Instrument [Line Items]
Aggregate principal amount				$ 115,000,000.0
Additional principal amount				15,000,000
Proceeds from borrowings				$ 111,600,000
Unamortized discount and debt issuance costs, percentage				3.00%
Debt instrument, interest rate				5.00%		5.00%
Conversion rate		0.0555556
Number of equity instruments (in shares) \| shares		6,388,894
Conversion price (in dollars per share) \| $ / shares									$ 18.00
Threshold percentage of stock price trigger	140.00%
Threshold trading days \| trading_day			20
Threshold consecutive trading days \| trading_day			30
Redemption price, percentage	100.00%
Repurchase face amount					66,300,000		66,300,000
Repayments of convertible debt					$ 18,600,000
Issuance of common stock for convertible notes repurchase, net (in shares) \| shares					3,200,000
Repurchase of convertible debt					$ 74,300,000
Gain (Loss) on debt extinguishment and commitment costs							(6,100,000)
Long-term debt, fair value		$ 89,300,000
Carrying amount of equity component		22,200,000			28,700,000		28,700,000
If-converted value in excess of principal						$ 0
Principal amount of long-term debt					$ 48,665,000	48,665,000	$ 48,665,000
Unamortized discount (premium) and debt issuance costs						$ 1,400,000
5.00% Convertible Senior Notes due 2021 \| Convertible Debt \| Long-term Debt
Debt Instrument [Line Items]
Deferred finance costs, net		$ 600,000
Tranche B Term Loan \| Term Loan
Debt Instrument [Line Items]
Repayments of debt				$ 5,000,000