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v3.21.1

Basis of Presentation and Recent Developments (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 reportable_segment | Mar. 23, 2016 USD ($)
Debt [Line Items] |  |
Number of reportable segments | reportable_segment | 3 |
6.50% Notes due 2024 |  |
Debt [Line Items] |  |
Interest rate, stated percentage | 7.50% |
6.50% Notes due 2024 | Senior Notes |  |
Debt [Line Items] |  |
Aggregate principal amount | $ |  | $ 900,000,000

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