Debt - January 2025 and 2028 Notes (Details) - Senior Notes	Jan. 24, 2020 USD ($)
Debt Instrument [Line Items]
Proceeds from senior notes	$ 982,000,000.0
January 2025 Notes
Debt Instrument [Line Items]
Face amount of debt	$ 600,000,000.0
Interest rate (as a percent)	9.50%
January 2028 Notes
Debt Instrument [Line Items]
Face amount of debt	$ 400,000,000.0
Interest rate (as a percent)	10.125%

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

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-Publisher FASB
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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
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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

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
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