Debt Instrument, Premium Percentage

No definition available.

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- Definition

The annual rate paid for the use of letters of credit.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Line of credit facility, aggregate maximum borrowing capacity after accordion feature adjustment.

+ References

No definition available.

+ Details

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

- Definition

Proceeds used to repay unsecured debt principal

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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Period Type:	duration

- 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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-Section 50
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+ Details

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

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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

- Definition

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

+ References

+ Details

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Balance Type:	na
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

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Period Type:	duration

- Definition

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

+ References

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-Name Accounting Standards Codification
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
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+ Details

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

- Definition

The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt.

+ References

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-SubTopic 10
-Section 45
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+ Details

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Balance Type:	credit
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- Details

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- Details

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- Details

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Balance Type:
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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Debt (Narrative) (Details) - USD ($)					3 Months Ended
Debt (Narrative) (Details) - USD ($)	Apr. 22, 2021	Dec. 17, 2020	Feb. 16, 2020	Jan. 16, 2020	Mar. 31, 2021	Mar. 31, 2020	Apr. 08, 2021	Jan. 19, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Loss on extinguishment of debt					$ 1,627,000	$ 23,480,000
Repayments of Unsecured Debt					80,859,000	750,000,000
Principal					$ 3,405,743,000				$ 3,431,302,000
7.750% senior unsecured notes due 2028
Debt Instrument [Line Items]
Senior unsecured notes, stated rate					775.00%				775.00%
Principal					$ 720,975,000				$ 720,975,000
8.000% senior unsecured notes due 2027
Debt Instrument [Line Items]
Senior unsecured notes, stated rate					800.00%				800.00%
Principal					$ 750,000,000				$ 750,000,000
6.000% senior unsecured notes due 2023
Debt Instrument [Line Items]
Senior unsecured notes, stated rate					600.00%				600.00%
Principal					$ 0				$ 80,859,000
Senior secured credit facility
Debt Instrument [Line Items]
Principal					$ 699,000,000				$ 643,700,000
Credit Facility \| Federal Funds Effective Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					0.50%
Credit Facility \| Eurodollar Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					3.50%
Credit Facility \| Applicable Margin
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					2.50%
Credit Facility \| Minimum
Debt Instrument [Line Items]
Letter of credit, fee percentage					1.75%
Credit Facility \| Minimum \| Eurodollar Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					1.75%
Credit Facility \| Minimum \| Alternate Base Rate
Debt Instrument [Line Items]
Letter of credit, fee percentage					0.75%
Credit Facility \| Maximum
Debt Instrument [Line Items]
Letter of credit, fee percentage					3.50%
Credit Facility \| Maximum \| Federal Funds Effective Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					1.00%
Credit Facility \| Maximum \| LIBOR Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					1.00%
Credit Facility \| Maximum \| Eurodollar Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					3.50%
Credit Facility \| Maximum \| Alternate Base Rate
Debt Instrument [Line Items]
Letter of credit, fee percentage					2.50%
Credit Facility \| Accordion Feature
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity					$ 300,000,000.0
Line of credit facility aggregate maximum borrowing capacity					2,000,000,000.0
Credit Facility \| Senior secured credit facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity					$ 1,700,000,000
Letter of credit, fee percentage					3.50%
Line of credit, unused capacity commitment fee percentage					0.50%
Credit facility, amount outstanding					$ 699,000,000.0
Letters of credit, outstanding amount					1,300,000
Total amount available for borrowings under credit facility					999,700,000
Credit Facility \| Senior secured credit facility \| Subsequent Event
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity							$ 950,000,000
Credit Facility \| Senior secured credit facility \| Petroleum Products
Debt Instrument [Line Items]
Credit facility, amount outstanding					$ 13,000,000.0
Credit Facility \| Senior secured credit facility \| Minimum
Debt Instrument [Line Items]
Line of credit, unused capacity commitment fee percentage					0.25%
Credit Facility \| Senior secured credit facility \| Maximum
Debt Instrument [Line Items]
Line of credit, unused capacity commitment fee percentage					0.50%
Letters of credit, outstanding amount					$ 200,000,000.0
Senior Notes \| 7.750% senior unsecured notes due 2028
Debt Instrument [Line Items]
Debt issued				$ 750,000,000
Senior unsecured notes, stated rate				7.75%
Proceeds from issuance of debt				$ 736,700,000
Senior Notes \| 8.000% senior unsecured notes due 2027
Debt Instrument [Line Items]
Debt issued		$ 750,000,000
Senior unsecured notes, stated rate		8.00%
Proceeds from issuance of debt		$ 737,000,000
Senior Notes \| 8.000% senior unsecured notes due 2027 \| Subsequent Event
Debt Instrument [Line Items]
Debt issued	$ 250,000,000
Debt premium percentage	103.75%
Senior Notes \| 6.75% Percent Notes Due 2022
Debt Instrument [Line Items]
Senior unsecured notes, stated rate				6.75%
Proceeds used to repay unsecured debt principal			$ 222,100,000	$ 554,800,000
Loss on extinguishment of debt						$ 23,500,000
Senior Notes \| 6.000% senior unsecured notes due 2023
Debt Instrument [Line Items]
Senior unsecured notes, stated rate		6.00%
Loss on extinguishment of debt					$ 1,600,000
Repayments of Unsecured Debt		$ 316,500,000
Principal								$ 80,900,000