Debt Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Apr. 18, 2017
JPMorgan, 2017 Credit Agreement
Line of Credit Facility
LineOfCreditFacilityInterestRateMarginSpreadAddedToFederalFundsRateOnUSDollarBorrowings	0.50%
Line Of Credit Facility, Minimum LIBOR one month interest rate on borrowings denominated in US dollars	0.00%
LineOfCreditFacilityInterestRateMarginSpreadAddedtoLIBORRateOnUSDollarBorrowings	1.00%
Line Of Credit Facility, Minimum LIBOR one month interest rate on eurocurrency borrowings	0.00%
Debt Instrument, Covenant, Net Leverage Ratio, Maximum	4.00
Debt Instrument, Covenant, Adjusted EBITDA to Interest Expense Ratio, Minimum	3.50
Debt Instrument, Covenant, Senior Secured Net Indebtedness to Adjusted EBITDA Ratio, Maximum	3.50
Line of Credit \| JPMorgan, 2017 Credit Agreement
Line of Credit Facility
LineOfCreditFacilityMinimumInterestRateMarginSpreadAddedtoLIBORRateOnUSDollarBorrowings	0.25%
LineOfCreditFacilityMaximumInterestRateMarginSpreadAddedToLIBORRateOnUSDollarBorrowings	1.25%
Minimum interest rate spread added to adjusted LIBOR rate based on leverage ratio on Eurocurrency borrowings	1.25%
Maximum interest rate spread added to adjusted LIBOR rate based on leverage ratio on Eurocurrency borrowings	2.25%
Face amount		$ 300.0
Debt Instrument, Notes Repurchase Price As Percentage Of Principal Amount In Changes Of Control	101.00%
Debt Instrument, Notes Repurchase Price As Percentage Of Principal Amount When Not Use Asset Sales Proceeds For Specific Purposes	100.00%
Revolving Credit Facility \| JPMorgan, 2017 Credit Agreement
Line of Credit Facility
Minimum commitment fee percentage	0.175%
Maximum commitment fee percentage	0.35%
LineOfCreditFacilityMinimumInterestRateMarginSpreadAddedtoLIBORRateOnUSDollarBorrowings	0.075%
LineOfCreditFacilityMaximumInterestRateMarginSpreadAddedToLIBORRateOnUSDollarBorrowings	0.90%
Minimum interest rate spread added to adjusted LIBOR rate based on leverage ratio on Eurocurrency borrowings	1.075%
Maximum interest rate spread added to adjusted LIBOR rate based on leverage ratio on Eurocurrency borrowings	1.90%
Bonds
Line of Credit Facility
Face amount		$ 300.0
Interest rate, Stated percentage	5.625%	5.625%
Maturity date range, End	May 01, 2025
Maturity date range, Start	Nov. 01, 2017
Minimum \| Revolving Credit Facility \| JPMorgan, 2017 Credit Agreement
Line of Credit Facility
Debt Instrument, Covenant, Repayment of Debt, Percentage of Excess Cash Flow	25.00%
Maximum \| Revolving Credit Facility \| JPMorgan, 2017 Credit Agreement
Line of Credit Facility
Debt Instrument, Covenant, Repayment of Debt, Percentage of Excess Cash Flow	50.00%

Debt Instrument, Covenant, Adjusted EBITDA to Interest Expense Ratio, Maximum

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- Definition

Debt Instrument, Covenant, Net Leverage Ratio, Maximum

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- Definition

Debt Instrument, Covenant, Repayment of Debt, Percentage of Excess Cash Flow

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- Definition

Debt Instrument, Covenant, Senior Secured Net Indebtedness to Adjusted EBITDA Ratio, Maximum

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- Definition

Debt Instrument, Notes Repurchase Price As Percentage Of Principal Amount In Changes Of Control

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- Definition

Debt Instrument, Notes Repurchase Price As Percentage Of Principal Amount When Not Use Asset Sales Proceeds For Specific Purposes

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- Definition

The amount of additional margin spread added to the Federal Funds interest rate on borrowings denominated in U.S. dollars.

+ References

No definition available.

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- Definition

Amount of additional margin spread added to the LIBOR one month interest rate on borrowings denominated in U.S. dollars.

+ References

No definition available.

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- Definition

The maximum fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

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- Definition

The maximum amount of additional margin spread added to LIBOR one month interest rate on borrowings denominated in U.S. dollars.

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- Definition

The minimum fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

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- Definition

The minimum amount of additional margin spread added to the LIBOR one month interest rate on borrowings denominated in U.S. dollars.

+ References

No definition available.

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- Definition

The minimum LIBOR one month interest rate on borrowings denominated in US dollars

+ References

No definition available.

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- Definition

The minimum LIBOR one month interest rate on eurocurrency borrowings.

+ References

No definition available.

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- Definition

Maximum interest rate spread added to adjusted LIBOR rate based on leverage ratio on Eurocurrency borrowings (in hundreths).

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No definition available.

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- Definition

Minimum interest rate spread added to adjusted LIBOR rate based on leverage ratio on Eurocurrency borrowings (in hundreths).

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No definition available.

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- 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

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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-Paragraph 1
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- Definition

Latest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

Earliest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

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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.

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