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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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