Debt - Redemption Prices (Details) - Senior Notes - Senior Notes 7.125% Due 2026	1 Months Ended
	Apr. 30, 2019
On or after April 4, 2022, but before April 4, 2023
Debt Instrument [Line Items]
Redemption price, as a percent of the of principal amount	103.60%
On or after April 4, 2023, but before April 4, 2024
Debt Instrument [Line Items]
Redemption price, as a percent of the of principal amount	101.80%
On or after April 4, 2024 and thereafter
Debt Instrument [Line Items]
Redemption price, as a percent of the of principal amount	100.00%