Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Redemption Price, Percentage (Details)

v3.19.3.a.u2
Long-Term Debt - Redemption Price, Percentage (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
Debt Instrument, Redemption [Line Items]  
Loss on Debt Redemption 5 Percent Notes $ 6,700
6.125% Notes  
Debt Instrument, Redemption [Line Items]  
Redemption Price 106.125%
6.125% Notes | Beginning on March 15, 2022  
Debt Instrument, Redemption [Line Items]  
Redemption Price 103.063%
6.125% Notes | Beginning on March 15, 2023  
Debt Instrument, Redemption [Line Items]  
Redemption Price 102.042%
6.125% Notes | Beginning on March 15, 2024  
Debt Instrument, Redemption [Line Items]  
Redemption Price 101.021%
6.125% Notes | Beginning on March 15, 2025 and thereafter  
Debt Instrument, Redemption [Line Items]  
Redemption Price 100.00%