Debt - Senior Notes Net Interest Expense (Details) - Senior Notes - 6.125% Senior Notes - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Interest Expense and Amortization of Debt Issue Costs
Interest expense	$ 33,687	$ 33,687	$ 33,687
Debt issue cost amortization	1,284	1,284	1,284
Debt discount amortization	1,261	1,183	1,183
Total	$ 36,232	$ 36,154	$ 36,154

Amount of amortization expense attributable to debt issuance costs.

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Represents the charge against earnings during the period for commitment fees and debt issuance expenses.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Aggregate amount of interest paid or due on all long-term debt.

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