Long-Term Debt - Senior Notes Net Interest Expense (Details) - Senior Notes - 6.125% Senior Notes - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Interest Expense and Amortization of Debt Issue Costs
Interest expense	$ 8,740	$ 8,720	$ 26,204	$ 26,146
Debt issue cost amortization	321	321	963	963
Debt discount amortization	318	298	938	881
Total	$ 9,379	$ 9,339	$ 28,105	$ 27,990

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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