Long-Term Debt - Redemption Price (Details) - Senior Notes - 2023 Notes	12 Months Ended
	Dec. 31, 2019
12-Month Period Beginning June 15, 2019
Debt Instrument, Redemption [Line Items]
Redemption prices as percentage of principal amount	104.625%
12-Month Period Beginning June 15, 2020
Debt Instrument, Redemption [Line Items]
Redemption prices as percentage of principal amount	102.313%
12-Month Period Beginning June 15, 2021 and thereafter
Debt Instrument, Redemption [Line Items]
Redemption prices as percentage of principal amount	100.00%