Debt and Credit Facility (5.875% Senior Notes) - Additional Information (Details) - Senior Notes - Senior Notes Due 2024 - USD ($)		12 Months Ended
Dec. 18, 2019	Dec. 31, 2019	May 15, 2016
Debt Instrument
Debt principal amount			$ 375,000,000.0
Debt instrument contractual rate (percent)		5.875%	5.875%
Debt issuance, percentage of principal amount			100.00%
Redemption price as percentage of principal (percent)	104.406%
Effective interest rate (percent)		6.10%
Interest expense		$ 22,000,000.0

Debt issuance, percentage of principal amount

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- Definition

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

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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- Definition

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

+ References

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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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- Definition

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

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- Definition

Aggregate amount of interest paid or due on all long-term debt.

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