Long-Term Debt - Senior Notes (Details) - Senior Notes |
3 Months Ended | ||
|---|---|---|---|
May 22, 2020 |
Mar. 15, 2019 |
Mar. 31, 2021 |
|
| Debt Instrument [Line Items] | |||
| Percentage of principal amount, event of default | 25.00% | ||
| Senior Notes Due 2026 | |||
| Debt Instrument [Line Items] | |||
| Percentage of principal amount, change in control | 101.00% | ||
| Senior Secured Note Due 2025 [Member] | |||
| Debt Instrument [Line Items] | |||
| Percentage of principal amount, change in control | 101.00% | ||
| Senior Notes Due 2027 | |||
| Debt Instrument [Line Items] | |||
| Percentage of principal amount, change in control | 101.00% |