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Long-Term Debt - 6.750% Senior Unsecured Notes due 2025 (Details) - Senior Notes - 6.750% senior unsecured notes due 2025 - USD ($) | Jun. 30, 2017 | Dec. 31, 2021 | May 03, 2021
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Debt instrument, stated rate (percent) | 6.75% | 6.75% | 6.75%
Original balance of debt | $ 370,000,000 |  |
Redemption Period One |  |  |
Debt Instrument [Line Items] |  |  |
Redemption price, percentage (percent) | 101.688% |  |
Redemption Period Two |  |  |
Debt Instrument [Line Items] |  |  |
Redemption price, percentage (percent) | 100.00% |  |
Redemption Period Three |  |  |
Debt Instrument [Line Items] |  |  |
Redemption price, percentage (percent) | 101.00% |  |

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